diff --git a/doc/configure.md b/doc/configure.md
index fc9fd19..3367e9c 100644
--- a/doc/configure.md
+++ b/doc/configure.md
@@ -10,7 +10,7 @@ through configuration files.
     *   If [`packageField`][package-field] is given, `package.json`
         (JSON) files are loaded and their `$packageField`s are
         used as configuration.
-*   One configuration file (JSON) can be given through [`rcPath`][rc-path],
+*   One configuration file can be given through [`rcPath`][rc-path],
     this is loaded regardless of `detectConfig` and `rcName`.
 
 ###### Example
@@ -20,33 +20,26 @@ An example **rc** file could look as follows:
 ```json
 {
   "output": true,
+  "presets": ["lint-recommended"],
   "settings": {
     "bullet": "*",
     "ruleRepetition": 3,
     "fences": true
   },
-  "plugins": {
-    "inline-links": null,
-    "lint": {
-      "external": [
-        "remark-lint-no-empty-sections"
-      ],
-      "maximum-line-length": false
-    }
-  }
+  "plugins": ["inline-links"]
 }
 ```
 
 ###### Example
 
-An example **rc.js** file could look as follows:
-
 Scripts expose either an object, or a function which when invoked
 returns an object.  The latter is given the current configuration for
 a file.  This configuration always has a `plugins` object where the
 keys are resolved absolute paths to plugins, where the values are
 objects or `false`.
 
+An example **rc.js** file could look as follows:
+
 ```js
 /**
  * @fileoverview Local remark configuration.
@@ -54,15 +47,12 @@ objects or `false`.
 
 module.exports = {
   output: true,
-  plugins: {
+  preset: 'lint-recommended',
+  plugins: [
     /* Custom natural-language validation. */
-    'script/natural-language': null,
-    'lint': {
-      /* Ignore `final-definition` for `license` */
-      'final-definition': false
-    },
-    'license': null
-  },
+    'script/natural-language',
+    'license'
+  ],
   settings: {
     /* I personally like asterisks. */
     bullet: '*'
@@ -200,6 +190,49 @@ configures the parser and compiler of the processor.
 
 *   Type: `Object`.
 
+###### `presets`
+
+The `presets` field has either a list of preset names (or paths) or an
+object mapping presets to their options.  It’s also possible to pass
+one preset by passing a `string`.
+
+Presets are in fact configuration files as well: go ahead and publish
+your configuration files, if they’re in JSON or JS, on npm.
+
+Accepts a string:
+
+```json
+{
+  "presets": "foo"
+}
+```
+
+Accepts an array:
+
+```json
+{
+  "presets": [
+    "foo",
+    "bar"
+  ]
+}
+```
+
+Or an object:
+
+```json
+{
+  "presets": {
+    "foo": null,
+    "bar": {
+      "baz": "qux"
+    }
+  }
+}
+```
+
+*   Type: `string`, `Array.<string>` or `Object.<string, Object>`.
+
 ###### `plugins`
 
 The `plugins` field, related to [`plugins`][plugins] in `options`, has
diff --git a/doc/options.md b/doc/options.md
index 96ec478..d80ec1a 100644
--- a/doc/options.md
+++ b/doc/options.md
@@ -29,6 +29,7 @@ authors.
 *   [options.silentlyIgnore](#optionssilentlyignore)
 *   [options.plugins](#optionsplugins)
 *   [options.pluginPrefix](#optionspluginprefix)
+*   [options.presetPrefix](#optionspresetprefix)
 *   [options.injectedPlugins](#optionsinjectedplugins)
 *   [options.color](#optionscolor)
 *   [options.silent](#optionssilent)
@@ -327,10 +328,10 @@ be set from configuration files.
 
 *   When `true`, overwrites the given files;
 *   When pointing to an existing directory, files are written
-    to that directory and keep their filenames and extensions;
+    to that directory and keep their basename;
 *   When the parent directory of the given path exists and one
     file is processed, the file is written to the given path
-    using the given filename (and optionally extension);
+    using the given basename;
 *   Otherwise, a fatal error is thrown.
 
 <!-- Info: -->
@@ -831,6 +832,46 @@ engine({
 });
 ```
 
+## `options.presetPrefix`
+
+Allow presets to be loaded from configuration files without their
+prefix.
+
+*   Type: `string` or `false`, optional.
+
+###### Example
+
+The following example processes `readme.md` and loads the
+`lint-recommended` preset (from a `package.json`).
+Because `presetPrefix` is given, this resolves to
+`remark-preset-lint-recommended`.
+
+```js
+var engine = require('unified-engine');
+var remark = require('remark');
+
+engine({
+  processor: remark(),
+  globs: ['readme.md'],
+  packageField: 'remarkConfig',
+  presetPrefix: 'remark-preset'
+}, function (err) {
+  if (err) throw err;
+});
+```
+
+Where `package.json` contains:
+
+```json
+{
+  "name": "foo",
+  "private": true,
+  "remarkConfig": {
+    "presets": "lint-recommended"
+  }
+}
+```
+
 ## `options.injectedPlugins`
 
 Already loaded plug-ins to attach with their options to the processor
diff --git a/doc/plug-ins.md b/doc/plug-ins.md
index cab58f5..e09949b 100644
--- a/doc/plug-ins.md
+++ b/doc/plug-ins.md
@@ -24,7 +24,7 @@ var remark = require('remark');
 function plugin(processor, options, set) {
   function completer(set) {
     console.log('done:', set.valueOf().map(function (file) {
-      return file.filePath();
+      return file.path;
     }));
   }
 
diff --git a/lib/configuration.js b/lib/configuration.js
index 8048116..cb7852c 100644
--- a/lib/configuration.js
+++ b/lib/configuration.js
@@ -8,13 +8,15 @@
 
 'use strict';
 
+/* eslint-disable max-params */
+
 /* Dependencies. */
 var fs = require('fs');
 var path = require('path');
 var debug = require('debug')('unified-engine:configuration');
 var home = require('user-home');
 var yaml = require('js-yaml');
-var resolvePlugin = require('load-plugin').resolve;
+var resolve = require('load-plugin').resolve;
 var findUp = require('vfile-find-up');
 var json = require('parse-json');
 
@@ -24,32 +26,31 @@ module.exports = Configuration;
 /* Methods. */
 var read = fs.readFileSync;
 var exists = fs.existsSync;
-var resolve = path.resolve;
 var dirname = path.dirname;
+var basename = path.basename;
 var extname = path.extname;
 var concat = [].concat;
 
 /* Constants. */
-var PACKAGE_NAME = 'package';
-var PACKAGE_EXTENSION = 'json';
-var PACKAGE_FILENAME = [PACKAGE_NAME, PACKAGE_EXTENSION].join('.');
-var SCRIPT_EXTENSION = 'js';
-var YAML_EXTENSION = 'yaml';
+var PACKAGE_BASENAME = 'package.json';
+var SCRIPT_EXTNAME = '.js';
+var YAML_EXTNAME = '.yaml';
 var PLUGIN_KEY = 'plugins';
+var PRESET_KEY = 'presets';
 
 /**
  * Merge two configurations, `configuration` into
  * `target`.
  *
- * @param {Object} target - Configuration to merge into.
- * @param {Object} configuration - Configuration to merge
- *   from.
- * @param {string} [source] - Used internally no map
- *   changes to source files, and to ensure the plug-in
- *   key is only escaped at root-level.
+ * @private
+ * @param {Object} target - Config to merge into.
+ * @param {Object} configuration - Config to merge from.
+ * @param {Object} settings - How to merge.
  * @return {Object} - `target`.
  */
-function merge(target, configuration, resolveConfig, source) {
+function merge(target, configuration, settings, source, options) {
+  var pluginOptions = {cwd: settings.cwd, prefix: settings.pluginPrefix};
+  var presetOptions = {cwd: settings.cwd, prefix: settings.presetPrefix};
   var key;
   var value;
   var index;
@@ -60,15 +61,37 @@ function merge(target, configuration, resolveConfig, source) {
   var subvalue;
 
   if (typeof configuration === 'function') {
-    configuration = configuration(target);
+    configuration = configuration(target, options);
   }
 
-  /* Walk `configuration`. */
-  for (key in configuration) {
-    value = configuration[key];
-    result = target[key];
+  if (source) {
+    /* Do `presets` first. */
+    if (configuration[PRESET_KEY]) {
+      value = configuration[PRESET_KEY];
+
+      if (typeof value === 'string') {
+        value = [value];
+      }
+
+      if ('length' in value) {
+        length = value.length;
+        index = -1;
+
+        while (++index < length) {
+          preset(value[index]);
+        }
+      } else {
+        for (name in value) {
+          preset(name, value[name]);
+        }
+      }
+    }
+
+    /* Now do plug-ins. */
+    if (configuration[PLUGIN_KEY]) {
+      value = configuration[PLUGIN_KEY];
+      result = target[PLUGIN_KEY];
 
-    if (key === PLUGIN_KEY && source) {
       if (!result) {
         target[PLUGIN_KEY] = result = {};
       }
@@ -79,7 +102,7 @@ function merge(target, configuration, resolveConfig, source) {
 
         while (++index < length) {
           name = value[index];
-          plugin = resolvePlugin(name, resolveConfig) || name;
+          plugin = resolve(name, pluginOptions) || name;
 
           if (!(plugin in result)) {
             log('Configuring plug-in', plugin, {});
@@ -89,29 +112,41 @@ function merge(target, configuration, resolveConfig, source) {
       } else {
         for (name in value) {
           subvalue = value[name];
-          plugin = resolvePlugin(name, resolveConfig) || name;
+          plugin = resolve(name, pluginOptions) || name;
 
           if (subvalue === false) {
             result[plugin] = false;
             log('Turning off plug-in', plugin);
           } else if (!filled(result[plugin])) {
-            result[plugin] = merge({}, subvalue || {}, resolveConfig);
+            result[plugin] = merge({}, subvalue || {}, settings);
             log('Configuring plug-in', plugin, result[plugin]);
           } else if (filled(subvalue)) {
-            result[plugin] = merge(result[plugin], subvalue, resolveConfig);
+            result[plugin] = merge(result[plugin], subvalue, settings);
             log('Reconfiguring plug-in', plugin, result[plugin]);
           } else {
             log('Not reconfiguring plug-in', plugin);
           }
         }
       }
-    } else if (value && typeof value === 'object') {
+    }
+  }
+
+  /* Walk `configuration`. */
+  for (key in configuration) {
+    if (source && (key === PRESET_KEY || key === PLUGIN_KEY)) {
+      continue;
+    }
+
+    value = configuration[key];
+    result = target[key];
+
+    if (value && typeof value === 'object') {
       if ('length' in value) {
         target[key] = concat.apply(value);
         log('Setting', key, target[key]);
       } else if (filled(value)) {
         if (result) {
-          target[key] = merge(result, value, resolveConfig);
+          target[key] = merge(result, value, settings);
           log('Merging', key, target[key]);
         } else {
           target[key] = value;
@@ -126,6 +161,17 @@ function merge(target, configuration, resolveConfig, source) {
 
   return target;
 
+  /* Load a preset. */
+  function preset(name, value) {
+    result = resolve(name, presetOptions) || name;
+
+    log('Loading preset', result, {});
+    required(target, result, settings, value);
+
+    debug('Plugins can now load from `%s`', dirname(result));
+    settings.cwd.push(dirname(result));
+  }
+
   /**
    * Log a message about setting a value.
    *
@@ -153,21 +199,25 @@ function merge(target, configuration, resolveConfig, source) {
  * @param {string} filePath - File location.
  * @return {Object} - Parsed JSON.
  */
-function load(filePath) {
+function load(filePath, packageField) {
   var configuration = {};
-  var extension = extname(filePath).slice(1);
+  var ext = extname(filePath);
   var doc;
 
   try {
-    if (extension === SCRIPT_EXTENSION) {
+    if (ext === SCRIPT_EXTNAME) {
       configuration = require(filePath);
     } else {
       doc = read(filePath, 'utf8');
 
-      if (extension === YAML_EXTENSION) {
+      if (ext === YAML_EXTNAME) {
         configuration = yaml.safeLoad(doc);
       } else {
         configuration = json(doc);
+
+        if (basename(filePath) === PACKAGE_BASENAME) {
+          configuration = configuration[packageField] || {};
+        }
       }
     }
   } catch (err) {
@@ -185,33 +235,34 @@ function load(filePath) {
  * Loads `rcName` and `rcName.js`.
  *
  * @param {Object} config - Config to load into.
- * @param {string?} rcName - Name of configuration file.
- * @return {Object} - Parsed JSON.
+ * @param {Object} options - Load configuration.
  */
-function loadUserConfiguration(config, rcName, resolveConfig) {
-  var configuration = {};
-
-  /**
-   * Load one file-path.
-   *
-   * @param {string} filePath - Location of config file.
-   */
-  function loadOne(filePath) {
-    /* istanbul ignore next - not really testable
-     * as this loads files outside this project. */
-    if (exists(filePath)) {
-      merge(configuration, load(filePath), resolveConfig, filePath);
-    }
-  }
+function loadUserConfiguration(config, options) {
+  var name = options.rcName;
 
   /* istanbul ignore next - not really testable. */
   if (home) {
-    loadOne(path.join(home, rcName));
-    loadOne(path.join(home, [rcName, SCRIPT_EXTENSION].join('.')));
-    loadOne(path.join(home, [rcName, YAML_EXTENSION].join('.')));
+    optional(config, path.join(home, name), options);
+    optional(config, path.join(home, [name, SCRIPT_EXTNAME].join('')), options);
+    optional(config, path.join(home, [name, YAML_EXTNAME].join('')), options);
   }
+}
 
-  return configuration;
+function optional(config, filePath, settings) {
+  /* istanbul ignore if - not really testable
+   * as this loads files outside this project. */
+  if (exists(filePath)) {
+    required(config, filePath, settings);
+  }
+}
+
+function required(config, filePath, settings, options) {
+  merge(config, load(filePath, settings.packageField), {
+    packageField: settings.packageField,
+    pluginPrefix: settings.pluginPrefix,
+    presetPrefix: settings.presetPrefix,
+    cwd: settings.cwd.concat(dirname(filePath))
+  }, filePath, options);
 }
 
 /**
@@ -220,30 +271,31 @@ function loadUserConfiguration(config, rcName, resolveConfig) {
  * If no configuration was found by walking upwards, the
  * current user's config (at `~`) is used.
  *
- * @param {Configuration} context - Configuration object to use.
  * @param {string} directory - Location to search.
+ * @param {Object} options - Load options.
  * @param {Function} callback - Invoked with `files`.
  */
-function getLocalConfiguration(context, directory, resolveConfig, callback) {
-  var rcName = context.settings.rcName;
-  var packageField = context.settings.packageField;
+function getLocalConfiguration(directory, options, callback) {
+  var rcName = options.rcName;
+  var packageField = options.packageField;
   var search = [];
 
   if (rcName) {
     search.push(
       rcName,
-      [rcName, SCRIPT_EXTENSION].join('.'),
-      [rcName, YAML_EXTENSION].join('.')
+      [rcName, SCRIPT_EXTNAME].join(''),
+      [rcName, YAML_EXTNAME].join('')
     );
+
     debug('Looking for `%s` configuration files', search);
   }
 
   if (packageField) {
-    search.push(PACKAGE_FILENAME);
+    search.push(PACKAGE_BASENAME);
     debug('Looking for `%s` fields in `package.json` files', packageField);
   }
 
-  if (!search.length || !context.settings.detectConfig) {
+  if (!search.length || !options.detectConfig) {
     debug('Not looking for configuration files');
     return callback(null, {});
   }
@@ -251,41 +303,19 @@ function getLocalConfiguration(context, directory, resolveConfig, callback) {
   findUp.all(search, directory, function (err, files) {
     var configuration = {};
     var index = files && files.length;
-    var file;
-    var local;
-    var found;
 
     while (index--) {
-      file = files[index];
-
       try {
-        local = load(file.filePath());
+        required(configuration, files[index].path, options);
       } catch (err) {
         return callback(err);
       }
-
-      if (
-        file.filename === PACKAGE_NAME &&
-        file.extension === PACKAGE_EXTENSION
-      ) {
-        if (packageField in local) {
-          local = local[packageField];
-        } else {
-          continue;
-        }
-      }
-
-      found = true;
-
-      debug('Using ' + file.filePath());
-
-      merge(configuration, local, resolveConfig, file.filePath());
     }
 
-    if (!found) {
+    if (!filled(configuration)) {
       debug('Using personal configuration');
 
-      loadUserConfiguration(configuration, rcName, resolveConfig);
+      loadUserConfiguration(configuration, options);
     }
 
     callback(err, configuration);
@@ -300,20 +330,18 @@ function getLocalConfiguration(context, directory, resolveConfig, callback) {
  * @param {Object} settings - Options to be passed in.
  */
 function Configuration(settings) {
-  var self = this;
   var rcPath = settings.rcPath;
-  var rcFile = {};
 
-  self.settings = settings;
-  self.cache = {};
+  this.settings = settings;
+  this.cache = {};
 
   if (rcPath) {
-    debug('Using command line configuration `' + rcPath + '`');
+    rcPath = path.resolve(settings.cwd, rcPath);
+    this.rcPath = rcPath;
 
-    rcFile = load(resolve(settings.cwd, rcPath));
+    /* Load it so we can fail early. */
+    load(rcPath, settings.packageField);
   }
-
-  self.rcFile = rcFile;
 }
 
 Configuration.prototype.getConfiguration = getConfiguration;
@@ -327,12 +355,16 @@ Configuration.prototype.getConfiguration = getConfiguration;
  */
 function getConfiguration(filePath, callback) {
   var self = this;
-  var cwd = self.settings.cwd;
-  var directory = dirname(resolve(cwd, filePath));
+  var settings = self.settings;
+  var directory = dirname(path.resolve(settings.cwd, filePath || 'noop'));
   var configuration = self.cache[directory];
-  var resolveConfig = {
-    cwd: cwd,
-    prefix: self.settings.pluginPrefix
+  var options = {
+    rcName: settings.rcName,
+    packageField: settings.packageField,
+    detectConfig: settings.detectConfig,
+    pluginPrefix: settings.pluginPrefix,
+    presetPrefix: settings.presetPrefix,
+    cwd: [settings.cwd]
   };
 
   debug('Constructing configuration for `' + filePath + '`');
@@ -344,21 +376,25 @@ function getConfiguration(filePath, callback) {
    * @param {Object?} [localConfiguration] - Configuration.
    */
   function handleLocalConfiguration(err, localConfiguration) {
+    var rcPath = self.rcPath;
     var current = self.cache[directory];
     var config = localConfiguration || {};
 
-    merge(config, self.rcFile, resolveConfig, self.settings.rcPath);
+    if (rcPath) {
+      debug('Using command line configuration `' + rcPath + '`');
+      required(config, rcPath, options);
+    }
 
     merge(config, {
-      settings: self.settings.settings,
-      plugins: self.settings.plugins,
-      output: self.settings.output
-    }, resolveConfig, 'settings');
+      settings: settings.settings,
+      plugins: settings.plugins,
+      output: settings.output
+    }, options, 'settings');
 
     self.cache[directory] = config;
 
     current.forEach(function (callback) {
-      callback(err, config);
+      callback(err, err ? null : config);
     });
   }
 
@@ -376,7 +412,7 @@ function getConfiguration(filePath, callback) {
   }
 
   self.cache[directory] = [callback];
-  getLocalConfiguration(self, directory, resolveConfig, handleLocalConfiguration);
+  getLocalConfiguration(directory, options, handleLocalConfiguration);
 }
 
 /**
diff --git a/lib/file-pipeline/configure.js b/lib/file-pipeline/configure.js
index e5de117..a9c4c94 100644
--- a/lib/file-pipeline/configure.js
+++ b/lib/file-pipeline/configure.js
@@ -10,6 +10,7 @@
 
 /* Dependencies. */
 var debug = require('debug')('unified-engine:file-pipeline:configure');
+var stats = require('vfile-statistics');
 var fnName = require('fn-name');
 
 /* Expose. */
@@ -28,11 +29,11 @@ function configure(context, file, fileSet, next) {
   var config = context.configuration;
   var processor = context.processor;
 
-  if (file.hasFailed()) {
+  if (stats(file).fatal) {
     return next();
   }
 
-  config.getConfiguration(file.filePath(), function (err, options) {
+  config.getConfiguration(file.path, function (err, options) {
     var allPlugins = context.injectedPlugins.concat();
     var plugins;
     var option;
diff --git a/lib/file-pipeline/copy.js b/lib/file-pipeline/copy.js
index eada725..c4394a1 100644
--- a/lib/file-pipeline/copy.js
+++ b/lib/file-pipeline/copy.js
@@ -18,8 +18,6 @@ module.exports = copy;
 
 /* Methods. */
 var stat = fs.statSync;
-var basename = path.basename;
-var extname = path.extname;
 var dirname = path.dirname;
 var resolve = path.resolve;
 var relative = path.relative;
@@ -36,11 +34,10 @@ var SEPERATOR = path.sep;
  */
 function copy(context, file, fileSet) {
   var output = context.output;
-  var outpath = output;
   var multi = fileSet.expected > 1;
-  var currentPath = file.filePath();
+  var outpath = output;
+  var currentPath = file.path;
   var isDir;
-  var extension;
 
   if (typeof outpath !== 'string') {
     debug('Not copying');
@@ -66,8 +63,7 @@ function copy(context, file, fileSet) {
 
     /* This throws, or the parent exists, which
      * is a directory, but we should keep the
-     * filename and extension of the given
-     * file. */
+     * basename of the given file. */
     stat(resolve(dirname(outpath))).isDirectory();
     isDir = false;
   }
@@ -78,14 +74,13 @@ function copy(context, file, fileSet) {
     );
   }
 
-  outpath = relative(context.cwd, outpath);
-  extension = extname(outpath);
+  outpath = relative(file.cwd, outpath);
 
-  file.move({
-    extension: isDir ? '' : extension.slice(1),
-    filename: isDir ? '' : basename(outpath, extension),
-    directory: isDir ? outpath : dirname(outpath)
-  });
+  if (isDir) {
+    file.dirname = outpath;
+  } else {
+    file.path = outpath;
+  }
 
-  debug('Copying document from %s to %s', currentPath, file.filePath());
+  debug('Copying document from %s to %s', currentPath, file.path);
 }
diff --git a/lib/file-pipeline/file-system.js b/lib/file-pipeline/file-system.js
index ce8f3ce..f1da3c8 100644
--- a/lib/file-pipeline/file-system.js
+++ b/lib/file-pipeline/file-system.js
@@ -37,12 +37,12 @@ function fileSystem(context, file, fileSet, done) {
     return done();
   }
 
-  if (!file.namespace('unified-engine').given) {
+  if (!file.data.unifiedEngineGiven) {
     debug('Ignoring programmatically added file');
     return done();
   }
 
-  destinationPath = file.filePath();
+  destinationPath = file.path;
 
   if (!destinationPath) {
     debug('Ignoring file without output location');
diff --git a/lib/file-pipeline/index.js b/lib/file-pipeline/index.js
index d62e055..59fc1e8 100644
--- a/lib/file-pipeline/index.js
+++ b/lib/file-pipeline/index.js
@@ -8,11 +8,8 @@
 
 'use strict';
 
-/*
- * Dependencies.
- */
-
-var ware = require('ware');
+/* Dependencies. */
+var trough = require('trough');
 var read = require('./read');
 var configure = require('./configure');
 var parse = require('./parse');
@@ -23,57 +20,43 @@ var copy = require('./copy');
 var stdout = require('./stdout');
 var fileSystem = require('./file-system');
 
+/* Expose: This pipeline ensures each of the pipes
+ * always runs: even if the read pipe fails,
+ * queue and write trigger. */
+module.exports = trough()
+  .use(chunk(trough().use(read).use(configure).use(parse).use(transform)))
+  .use(chunk(trough().use(queue)))
+  .use(chunk(trough().use(stringify).use(copy).use(stdout).use(fileSystem)));
+
 /**
  * Factory to run a pipe. Wraps a pipe to trigger an
  * error on the `file` in `context`, but still call
  * `next`.
  *
- * @param {Ware} pipe - Middelware.
+ * @param {Trough} trough - Middelware.
  * @return {function(Object, Function)} - Runner.
  */
-function runFactory(pipe) {
-  /**
-   * Run `context` through a bound pipe.
-   * Always invokes `next` (without error).
-   *
-   * @param {Object} context - Context.
-   * @param {File} file - File.
-   * @param {FileSet} fileSet - Set.
-   * @param {function(Error?)} done - Completion handler.
-   */
+function chunk(pipe) {
+  return run;
+
+  /** Run the bound bound pipe and handles any errors. */
   function run(context, file, fileSet, done) {
     pipe.run(context, file, fileSet, function (err) {
+      var messages = file.messages;
+      var pos;
+
       if (err) {
-        file.quiet = true;
-        file.fail(err);
+        pos = messages.indexOf(err);
+
+        if (pos === -1) {
+          err = file.message(err);
+          pos = messages.length - 1;
+        }
+
+        messages[pos].fatal = true;
       }
 
       done();
     });
   }
-
-  return run;
 }
-
-/*
- * Middleware, this ensures each of the four pipes
- * always runs (so even if the read pipe fails),
- * queue, write, and log trigger.
- */
-
-var pipe = ware()
-  .use(runFactory(
-    ware().use(read).use(configure).use(parse).use(transform)
-  ))
-  .use(runFactory(
-    ware().use(queue)
-  ))
-  .use(runFactory(
-    ware().use(stringify).use(copy).use(stdout).use(fileSystem)
-  ));
-
-/*
- * Expose.
- */
-
-module.exports = pipe;
diff --git a/lib/file-pipeline/parse.js b/lib/file-pipeline/parse.js
index 924c732..a337219 100644
--- a/lib/file-pipeline/parse.js
+++ b/lib/file-pipeline/parse.js
@@ -10,6 +10,7 @@
 
 /* Dependencies. */
 var debug = require('debug')('unified-engine:file-pipeline:parse');
+var stats = require('vfile-statistics');
 var json = require('parse-json');
 
 /* Expose. */
@@ -22,32 +23,33 @@ module.exports = parse;
  * @param {File} file - File.
  */
 function parse(context, file) {
-  if (file.hasFailed()) {
+  var message;
+
+  if (stats(file).fatal) {
     return;
   }
 
   if (context.treeIn) {
     debug('Not parsing already parsed document');
 
-    /* Add the preferred extension to ensure the file,
-     * when compiled, is correctly recognized. */
-    file.move({extension: context.extensions[0] || null});
-
     try {
       context.tree = json(file.toString());
     } catch (err) {
-      err.message = 'Cannot read file as tree: ' +
-        file.filePath() + '\n' + err.message;
+      err.message = 'Cannot read file as JSON\n' + err.message;
 
-      file.fail(err);
+      message = file.message(err);
+      message.fatal = true;
     }
 
+    /* Add the preferred extension to ensure the file,
+     * when compiled, is correctly recognized. */
+    file.extname = '.' + context.extensions[0];
     file.contents = '';
 
     return;
   }
 
-  debug('Parsing `%s` with `%j`', file.filePath(), context.settings);
+  debug('Parsing `%s` with `%j`', file.path, context.settings);
 
   context.tree = context.processor.parse(file, context.settings);
 
diff --git a/lib/file-pipeline/queue.js b/lib/file-pipeline/queue.js
index 377fd59..da911a4 100644
--- a/lib/file-pipeline/queue.js
+++ b/lib/file-pipeline/queue.js
@@ -10,6 +10,7 @@
 
 /* Dependencies. */
 var debug = require('debug')('unified-engine:file-pipeline:queue');
+var stats = require('vfile-statistics');
 
 /* Expose. */
 module.exports = queue;
@@ -25,7 +26,7 @@ module.exports = queue;
  * @param {function(Error?)} done - Completion handler.
  */
 function queue(context, file, fileSet, done) {
-  var sourcePath = file.namespace('unified-engine').sourcePath;
+  var origin = file.history[0];
   var map = fileSet.complete;
   var complete = true;
 
@@ -33,14 +34,14 @@ function queue(context, file, fileSet, done) {
     map = fileSet.complete = {};
   }
 
-  debug('Queueing `%s`', sourcePath);
+  debug('Queueing `%s`', origin);
 
-  map[sourcePath] = done;
+  map[origin] = done;
 
   fileSet.valueOf().forEach(function (file) {
-    var key = file.namespace('unified-engine').sourcePath;
+    var key = file.history[0];
 
-    if (file.hasFailed()) {
+    if (stats(file).fatal) {
       return;
     }
 
@@ -63,8 +64,8 @@ function queue(context, file, fileSet, done) {
     debug('Flushing: all files can be flushed');
 
     /* Flush. */
-    for (sourcePath in map) {
-      map[sourcePath](err);
+    for (origin in map) {
+      map[origin](err);
     }
   });
 }
diff --git a/lib/file-pipeline/read.js b/lib/file-pipeline/read.js
index 4de0b65..c58169c 100644
--- a/lib/file-pipeline/read.js
+++ b/lib/file-pipeline/read.js
@@ -12,6 +12,7 @@
 var fs = require('fs');
 var path = require('path');
 var debug = require('debug')('unified-engine:file-pipeline:read');
+var stats = require('vfile-statistics');
 
 /* Expose. */
 module.exports = read;
@@ -32,12 +33,12 @@ var ENC = 'utf-8';
  * @param {function(Error?)} done - Completion handler.
  */
 function read(context, file, fileSet, done) {
-  var filePath = file.filePath();
+  var filePath = file.path;
 
-  if (file.contents || file.namespace('unified-engine').streamIn) {
+  if (file.contents || file.data.unifiedEngineStreamIn) {
     debug('Not reading file `%s` with contents', filePath);
     done();
-  } else if (file.hasFailed()) {
+  } else if (stats(file).fatal) {
     debug('Not reading failed file `%s`', filePath);
     done();
   } else {
diff --git a/lib/file-pipeline/stdout.js b/lib/file-pipeline/stdout.js
index 71f2fed..b8cde41 100644
--- a/lib/file-pipeline/stdout.js
+++ b/lib/file-pipeline/stdout.js
@@ -10,6 +10,7 @@
 
 /* Dependencies. */
 var debug = require('debug')('unified-engine:file-pipeline:stdout');
+var stats = require('vfile-statistics');
 
 /* Expose. */
 module.exports = stdout;
@@ -25,10 +26,10 @@ module.exports = stdout;
  * @param {function(Error?)} next - Completion handler.
  */
 function stdout(context, file, fileSet, next) {
-  if (!file.namespace('unified-engine').given) {
+  if (!file.data.unifiedEngineGiven) {
     debug('Ignoring programmatically added file');
     next();
-  } else if (file.hasFailed() || context.output || !context.out) {
+  } else if (stats(file).fatal || context.output || !context.out) {
     debug('Ignoring writing to `streamOut`');
     next();
   } else {
diff --git a/lib/file-pipeline/stringify.js b/lib/file-pipeline/stringify.js
index d5d3ba4..176f3c8 100644
--- a/lib/file-pipeline/stringify.js
+++ b/lib/file-pipeline/stringify.js
@@ -10,6 +10,7 @@
 
 /* Dependencies. */
 var debug = require('debug')('unified-engine:file-pipeline:stringify');
+var stats = require('vfile-statistics');
 
 /* Expose. */
 module.exports = stringify;
@@ -26,7 +27,7 @@ function stringify(context, file) {
   var settings = context.settings;
   var value;
 
-  if (file.hasFailed()) {
+  if (stats(file).fatal) {
     debug('Not compiling failed document');
     return;
   }
@@ -36,12 +37,12 @@ function stringify(context, file) {
     return;
   }
 
-  debug('Compiling `%s` with `%j`', file.filePath(), settings);
+  debug('Compiling `%s` with `%j`', file.path, settings);
 
   if (context.treeOut) {
     /* Add a `json` extension to ensure the file is
      * correctly seen as JSON. */
-    file.move({extension: 'json'});
+    file.extname = '.json';
 
     value = JSON.stringify(tree, null, 2);
   } else {
diff --git a/lib/file-pipeline/transform.js b/lib/file-pipeline/transform.js
index 4b13d57..c8c9c7c 100644
--- a/lib/file-pipeline/transform.js
+++ b/lib/file-pipeline/transform.js
@@ -10,6 +10,7 @@
 
 /* Dependencies. */
 var debug = require('debug')('unified-engine:file-pipeline:transform');
+var stats = require('vfile-statistics');
 
 /* Expose. */
 module.exports = transform;
@@ -24,12 +25,12 @@ module.exports = transform;
  * @param {function(Error?)} done - Completion handler.
  */
 function transform(context, file, fileSet, done) {
-  if (file.hasFailed()) {
+  if (stats(file).fatal) {
     done();
     return;
   }
 
-  debug('Transforming document `%s`', file.filePath());
+  debug('Transforming document `%s`', file.path);
 
   context.processor.run(context.tree, file, function (err, node) {
     debug('Transformed document (error: %s)', err);
diff --git a/lib/file-set-pipeline/configure.js b/lib/file-set-pipeline/configure.js
index 7ed4bab..97d3e0c 100644
--- a/lib/file-set-pipeline/configure.js
+++ b/lib/file-set-pipeline/configure.js
@@ -29,6 +29,7 @@ function configure(context, settings) {
     settings: settings.settings,
     plugins: settings.plugins,
     pluginPrefix: settings.pluginPrefix,
+    presetPrefix: settings.presetPrefix,
     output: settings.output,
     cwd: settings.cwd
   });
diff --git a/lib/file-set-pipeline/file-system.js b/lib/file-set-pipeline/file-system.js
index 22570f0..48cc7e1 100644
--- a/lib/file-set-pipeline/file-system.js
+++ b/lib/file-set-pipeline/file-system.js
@@ -53,22 +53,23 @@ function fileSystem(context, settings, done) {
     /* Use injected files. */
     if (injected) {
       files = files.filter(function (file) {
-        var filePath = file.filePath();
-        var ignored = ignore.shouldIgnore(filePath);
+        var message;
 
-        if (ignored && skip) {
-          return false;
-        }
+        file.cwd = settings.cwd;
+        file.dirname = relative(file.cwd, file.dirname);
+        file.history = [file.path];
 
-        file.quiet = true;
-        file.directory = relative(settings.cwd, file.directory);
-        file.history = [file.filePath()];
-        file.namespace('unified-engine').given = true;
+        if (ignore.check(file.path)) {
+          if (skip) {
+            return false;
+          }
 
-        if (ignored) {
-          file.fail('Cannot process given file: it’s ignored');
+          message = file.message('Cannot process given file: it’s ignored');
+          message.fatal = true;
         }
 
+        file.data.unifiedEngineGiven = true;
+
         return true;
       });
     }
diff --git a/lib/file-set-pipeline/index.js b/lib/file-set-pipeline/index.js
index b88be80..602c9e1 100644
--- a/lib/file-set-pipeline/index.js
+++ b/lib/file-set-pipeline/index.js
@@ -9,7 +9,7 @@
 'use strict';
 
 /* Dependencies. */
-var ware = require('ware');
+var trough = require('trough');
 var configure = require('./configure');
 var fileSystem = require('./file-system');
 var stdin = require('./stdin');
@@ -17,7 +17,7 @@ var transform = require('./transform');
 var log = require('./log');
 
 /* Expose. */
-module.exports = ware()
+module.exports = trough()
   .use(configure)
   .use(fileSystem)
   .use(stdin)
diff --git a/lib/file-set-pipeline/log.js b/lib/file-set-pipeline/log.js
index 81d277d..1a2a50b 100644
--- a/lib/file-set-pipeline/log.js
+++ b/lib/file-set-pipeline/log.js
@@ -42,5 +42,5 @@ function log(context, settings, next) {
  * @return {boolean} - Whether given by user.
  */
 function given(file) {
-  return file.namespace('unified-engine').given;
+  return file.data.unifiedEngineGiven;
 }
diff --git a/lib/file-set-pipeline/stdin.js b/lib/file-set-pipeline/stdin.js
index 996efb2..301f40b 100644
--- a/lib/file-set-pipeline/stdin.js
+++ b/lib/file-set-pipeline/stdin.js
@@ -55,15 +55,14 @@ function stdin(context, settings, done) {
   debug('Reading from `streamIn`');
 
   streamIn.pipe(concat({encoding: 'string'}, function (value) {
-    var file = toVFile(settings.filePath || '');
-    var space = file.namespace('unified-engine');
+    var file = toVFile(settings.filePath || undefined);
 
     debug('Read from `streamIn`');
 
+    file.cwd = settings.cwd;
     file.contents = value;
-    file.quiet = true;
-    space.given = true;
-    space.streamIn = true;
+    file.data.unifiedEngineGiven = true;
+    file.data.unifiedEngineStreamIn = true;
 
     context.files = [file];
 
diff --git a/lib/file-set-pipeline/transform.js b/lib/file-set-pipeline/transform.js
index 21449fd..55fe5a6 100644
--- a/lib/file-set-pipeline/transform.js
+++ b/lib/file-set-pipeline/transform.js
@@ -34,6 +34,7 @@ function transform(context, settings, done) {
       cwd: settings.cwd,
       extensions: settings.extensions,
       pluginPrefix: settings.pluginPrefix,
+      presetPrefix: settings.presetPrefix,
       injectedPlugins: settings.injectedPlugins,
       treeIn: settings.treeIn,
       treeOut: settings.treeOut,
@@ -46,7 +47,8 @@ function transform(context, settings, done) {
        * file.  Still, just to ensure things work in
        * the future, we add an extra check. */
       if (err) {
-        file.fail(err);
+        err = file.message(err);
+        err.fatal = true;
       }
 
       fileSet.emit('one', file);
diff --git a/lib/file-set.js b/lib/file-set.js
index b3dfb1c..e6311f3 100644
--- a/lib/file-set.js
+++ b/lib/file-set.js
@@ -11,7 +11,7 @@
 /* Dependencies. */
 var events = require('events');
 var inherits = require('util').inherits;
-var ware = require('ware');
+var trough = require('trough');
 var toVFile = require('to-vfile');
 
 /* Expose. */
@@ -27,12 +27,13 @@ function FileSet() {
   var self = this;
 
   self.files = [];
-  self.sourcePaths = [];
+  self.origins = [];
 
   self.expected = 0;
   self.actual = 0;
 
-  self.pipeline = ware();
+  self.pipeline = trough();
+  self.plugins = [];
 
   events.init.call(self);
 
@@ -77,16 +78,17 @@ function use(plugin) {
   var duplicate = false;
 
   if (plugin && plugin.pluginId) {
-    duplicate = pipeline.fns.some(function (fn) {
+    duplicate = self.plugins.some(function (fn) {
       return fn.pluginId === plugin.pluginId;
     });
   }
 
-  if (!duplicate && pipeline.fns.indexOf(plugin) !== -1) {
+  if (!duplicate && self.plugins.indexOf(plugin) !== -1) {
     duplicate = true;
   }
 
   if (!duplicate) {
+    self.plugins.push(plugin);
     pipeline.use(plugin);
   }
 
@@ -108,29 +110,20 @@ function use(plugin) {
  */
 function add(file) {
   var self = this;
-  var space;
-  var sourcePath;
+  var origin;
 
   if (typeof file === 'string') {
     file = toVFile(file);
   }
 
-  space = file.namespace('unified-engine');
-
   /* Prevent files from being added multiple times. */
-  sourcePath = space.sourcePath || file.filePath();
+  origin = file.history[0];
 
-  if (self.sourcePaths.indexOf(sourcePath) !== -1) {
+  if (self.origins.indexOf(origin) !== -1) {
     return self;
   }
 
-  space.sourcePath = sourcePath;
-  self.sourcePaths.push(sourcePath);
-
-  /* Prevent moving files. */
-  if (!space.given) {
-    file.move = locked;
-  }
+  self.origins.push(origin);
 
   /* Add. */
   self.valueOf().push(file);
@@ -151,17 +144,6 @@ function add(file) {
   return self;
 }
 
-/**
- * Locked `VFile#move`.
- *
- * @this {VFile}
- * @memberof {VFile}
- * @return {VFile} - Context object.
- */
-function locked() {
-  return this;
-}
-
 /**
  * Utility invoked when a single file has completed it's
  * pipeline, triggering `done` when all files are complete.
diff --git a/lib/finder.js b/lib/finder.js
index f73b1d1..3177a37 100644
--- a/lib/finder.js
+++ b/lib/finder.js
@@ -57,7 +57,7 @@ function find(patterns, callback) {
   var ignore = self.settings.ignore;
   var extensions = self.settings.extensions;
   var cwd = self.settings.cwd;
-  var hasNegations = ignore.hasNegations();
+  var negations = ignore.negations();
   var globs = [];
   var given = [];
   var failed = [];
@@ -70,6 +70,7 @@ function find(patterns, callback) {
   patterns.forEach(function (pattern) {
     var file;
     var stats;
+    var message;
 
     if (magic(pattern)) {
       globs.push(pattern);
@@ -83,10 +84,10 @@ function find(patterns, callback) {
         oneFileMode = stats.isFile();
       } catch (err) {
         file = toVFile(pattern);
-        file.quiet = true;
         oneFileMode = false;
 
-        file.fail('No such file or directory');
+        message = file.message('No such file or directory');
+        message.fatal = true;
 
         failed.push(file);
       }
@@ -101,24 +102,26 @@ function find(patterns, callback) {
    * @param {VFile} file - Virtual file or directory.
    * @return {*} - Results for `vfile-find-down`.
    */
-  function test(file) {
-    var filePath = file.filePath();
-    var extension = file.extension;
+  function test(file, stats) {
+    var filePath = file.path;
+    var extension = (file.extname || '').slice(1);
     var isGiven = given.indexOf(filePath) !== -1;
-    var isFile = stat(filePath).isFile();
+    var isFile = stats.isFile();
+    var message;
 
     /* If the file or directory should be ignored,
      * is hidden and not negated, skip it.
      *
      * If it is both ignored and given, trigger a
      * warning if not `silentlyIgnore`d. */
-    if (ignore.shouldIgnore(filePath)) {
+    if (ignore.check(filePath)) {
       if (isGiven) {
         if (skip) {
           return findDown.SKIP;
         }
 
-        file.fail('Cannot process specified file: it’s ignored');
+        message = file.message('Cannot process specified file: it’s ignored');
+        message.fatal = true;
 
         return findDown.SKIP | findDown.INCLUDE;
       }
@@ -126,7 +129,7 @@ function find(patterns, callback) {
       /* If there are negation patterns, directories
        * are still searched for files as their paths
        * can be made visible by negation patterns. */
-      return hasNegations ? false : findDown.SKIP;
+      return negations ? false : findDown.SKIP;
     }
 
     /* Do not include non-files. */
@@ -149,21 +152,22 @@ function find(patterns, callback) {
     findDown.all(test, filePaths, function (err, files) {
       /* Fix `filePath` in relation to `cwd`. */
       files.forEach(function (file) {
-        file.directory = relative(cwd, file.directory);
-        file.history = [file.filePath()];
+        file.cwd = cwd;
+        file.dirname = relative(cwd, file.dirname);
+        file.history = [file.path];
       });
 
       files = failed.concat(files);
 
       /* Sort alphabetically. */
       files.sort(function (left, right) {
-        return left.filePath() > right.filePath();
+        return left.path > right.path;
       });
 
       /* Mark as given.  This allows outputting files,
        * which can be pretty dangerous, so it’s “hidden”. */
       files.forEach(function (file) {
-        file.namespace('unified-engine').given = true;
+        file.data.unifiedEngineGiven = true;
       });
 
       callback(err, files);
diff --git a/lib/ignore.js b/lib/ignore.js
index 6f083b1..d9d8da3 100644
--- a/lib/ignore.js
+++ b/lib/ignore.js
@@ -26,11 +26,8 @@ var resolve = path.resolve;
 
 /* Constants. */
 var NODE_MODULES = 'node_modules';
-var C_BACKSLASH = '\\';
-var C_SLASH = '/';
 var C_EXCLAMATION = '!';
 var CD = './';
-var EMPTY = '';
 
 /**
  * Find ignore-patterns.
@@ -46,9 +43,10 @@ function Ignore(options) {
   self.cwd = options.cwd;
   self.detectIgnore = options.detectIgnore;
   self.ignoreName = options.ignoreName;
-  self.ignorePath = ignorePath;
 
   if (ignorePath) {
+    ignorePath = self.ignorePath = resolve(options.cwd, ignorePath);
+
     debug('Using ignore file at `' + ignorePath + '`');
 
     self.ignoreFile = load(resolve(self.cwd, ignorePath));
@@ -56,8 +54,8 @@ function Ignore(options) {
 }
 
 /* Expose methods. */
-Ignore.prototype.shouldIgnore = shouldIgnore;
-Ignore.prototype.hasNegations = hasNegations;
+Ignore.prototype.check = check;
+Ignore.prototype.negations = negations;
 Ignore.prototype.loadPatterns = loadPatterns;
 
 /**
@@ -68,14 +66,18 @@ Ignore.prototype.loadPatterns = loadPatterns;
  * @return {boolean} - Whether `filePath` should be ignored
  *   based on the given `patterns`.
  */
-function shouldIgnore(filePath) {
+function check(filePath) {
   var self = this;
-  var normalized = relative(self.cwd, filePath)
-    .replace(C_BACKSLASH, C_SLASH)
-    .replace(CD, EMPTY);
+  var normal = filePath;
+
+  if (self.source) {
+    normal = relative(path.dirname(self.source), path.resolve(self.cwd, filePath));
+  }
+
+  normal = normal.replace(/\\/g, '/');
 
   return self.patterns.reduce(function (ignored, pattern) {
-    var negated = isNegated(pattern);
+    var negated = negation(pattern);
 
     if (negated) {
       pattern = pattern.slice(1);
@@ -85,7 +87,7 @@ function shouldIgnore(filePath) {
       pattern = pattern.slice(CD.length);
     }
 
-    return match(normalized, pattern) ? !negated : ignored;
+    return match(normal, pattern) ? !negated : ignored;
   }, filePath.split(path.sep).some(hidden));
 }
 /**
@@ -93,8 +95,8 @@ function shouldIgnore(filePath) {
  *
  * @return {boolean} - Whether negated patterns exist.
  */
-function hasNegations() {
-  return this.patterns.some(isNegated);
+function negations() {
+  return this.patterns.some(negation);
 }
 
 /**
@@ -112,14 +114,16 @@ function loadPatterns(callback) {
    * Handle succesful pattern getting.
    *
    * @param {Array.<string>?} [results] - Patterns
+   * @param {string} filePath - Location of ignore file.
    */
-  function done(results) {
+  function done(results, filePath) {
     self.patterns = results || [];
+    self.source = filePath || null;
     callback();
   }
 
   if (self.ignoreFile) {
-    done(self.ignoreFile);
+    done(self.ignoreFile, self.ignorePath);
     debug('Using `ignoreFile`: %j', self.patterns);
     return;
   }
@@ -134,12 +138,13 @@ function loadPatterns(callback) {
     var result;
 
     if (!err && file) {
+      file = resolve(self.cwd, file.path);
       try {
-        result = load(file.filePath());
+        result = load(file);
       } catch (err) { /* Empty */ }
     }
 
-    done(result);
+    done(result, file);
     debug('Using ignore patterns: %j', self.patterns);
   });
 }
@@ -174,18 +179,18 @@ function applicable(value) {
  * @param {string} pattern - Pattern to check.
  * @return {boolean} - Whether `pattern` is negated.
  */
-function isNegated(pattern) {
+function negation(pattern) {
   return pattern.charAt(0) === C_EXCLAMATION;
 }
 
 /**
  * Check if `pattern` is a (initially) hidden.
  *
- * @param {string} filename - Filename to check.
+ * @param {string} basename - basename to check.
  * @return {boolean} - Whether `pattern` is hidden.
  */
-function hidden(filename) {
-  return isHidden(filename) || filename === NODE_MODULES;
+function hidden(basename) {
+  return isHidden(basename) || basename === NODE_MODULES;
 }
 
 /**
diff --git a/lib/index.js b/lib/index.js
index 4ffd112..2ebee30 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -10,6 +10,7 @@
 
 /* Dependencies. */
 var PassThrough = require('stream').PassThrough;
+var statistics = require('vfile-statistics');
 var fileSetPipeline = require('./file-set-pipeline');
 
 /* Expose. */
@@ -130,6 +131,9 @@ function run(options, callback) {
   settings.plugins = options.plugins || {};
   settings.injectedPlugins = options.injectedPlugins || [];
 
+  /* Presets. */
+  settings.presetPrefix = options.presetPrefix || null;
+
   /* Reporting. */
   settings.color = options.color || false;
   settings.silent = options.silent || false;
@@ -148,12 +152,8 @@ function run(options, callback) {
    * @param {Object?} context - Context object.
    */
   function next(err, context) {
-    var failed = ((context || {}).files || []).some(function (file) {
-      return file.messages.some(function (message) {
-        return message.fatal === true ||
-            (message.fatal === false && settings.frail);
-      });
-    });
+    var stats = statistics((context || {}).files);
+    var failed = Boolean(settings.frail ? stats.total : stats.fatal);
 
     if (err) {
       callback(err);
diff --git a/package.json b/package.json
index 430d9e3..9d9298b 100644
--- a/package.json
+++ b/package.json
@@ -16,15 +16,16 @@
     "globby": "^6.0.0",
     "is-hidden": "^1.0.1",
     "js-yaml": "^3.6.1",
-    "load-plugin": "^1.0.0",
+    "load-plugin": "^2.0.0",
     "minimatch": "^3.0.0",
     "parse-json": "^2.2.0",
-    "to-vfile": "^1.0.0",
+    "to-vfile": "^2.0.0",
+    "trough": "^1.0.0",
     "user-home": "^2.0.0",
-    "vfile-find-down": "^1.0.0",
-    "vfile-find-up": "^1.0.0",
-    "vfile-reporter": "^2.0.0",
-    "ware": "^1.3.0"
+    "vfile-find-down": "^2.0.0",
+    "vfile-find-up": "^2.0.0",
+    "vfile-reporter": "^3.0.0",
+    "vfile-statistics": "^1.0.0"
   },
   "repository": {
     "type": "git",
@@ -51,7 +52,7 @@
     "remark-toc": "^3.0.0",
     "remark-validate-links": "^4.0.0",
     "tape": "^4.4.0",
-    "unified": "^4.0.1",
+    "unified": "^5.0.0",
     "xo": "^0.16.0"
   },
   "scripts": {
@@ -66,7 +67,9 @@
     "output": true,
     "plugins": {
       "lint": {
-        "no-missing-blank-lines": {"exceptTightLists": true},
+        "no-missing-blank-lines": {
+          "exceptTightLists": true
+        },
         "list-item-spacing": false,
         "heading-increment": false,
         "no-duplicate-headings": false
diff --git a/readme.md b/readme.md
index a94ac89..e98cae1 100644
--- a/readme.md
+++ b/readme.md
@@ -35,6 +35,7 @@ engine({
   globs: ['.'],
   extensions: ['md', 'markdown', 'mkd', 'mkdn', 'mkdown'],
   pluginPrefix: 'remark',
+  presetPrefix: 'remark-preset',
   rcName: '.remarkrc',
   packageField: 'remarkConfig',
   ignoreName: '.remarkignore',
@@ -116,6 +117,8 @@ when done.
     — Map of plug-in names or paths and options to use.
 *   [`pluginPrefix`][plugin-prefix] (`string`, optional)
     — When given, optional prefix to use when searching for plug-ins.
+*   [`presetPrefix`][preset-prefix] (`string`, optional)
+    — When given, optional prefix to use when searching for presets.
 *   [`injectedPlugins`][injected-plugins] (`Array`, optional)
     — List of loaded plug-ins to use.
 *   [`color`][color] (`boolean`, default: `false`)
@@ -240,6 +243,8 @@ files work.
 
 [plugin-prefix]: doc/options.md#optionspluginprefix
 
+[preset-prefix]: doc/options.md#optionspresetprefix
+
 [plugins]: doc/options.md#optionsplugins
 
 [injected-plugins]: doc/options.md#optionsinjectedplugins
diff --git a/test/color.js b/test/color.js
index 04e4b9f..aab80ad 100644
--- a/test/color.js
+++ b/test/color.js
@@ -44,8 +44,7 @@ test('color', function (t) {
         stderr(),
         [
           '\x1b[4m\x1b[31mreadme.md\x1b[39m\x1b[24m',
-          '        1:1  \x1b[31merror\x1b[39m    No ' +
-              'such file or directory',
+          '  1:1  \x1b[31merror\x1b[39m  No such file or directory',
           '',
           '\x1b[31m✖\x1b[39m 1 error',
           ''
diff --git a/test/completers.js b/test/completers.js
index 74f22c6..935f06a 100644
--- a/test/completers.js
+++ b/test/completers.js
@@ -38,7 +38,7 @@ test('completers', function (t) {
 
     function testSet(set, nr) {
       var paths = set.files.map(function (file) {
-        return file.filePath();
+        return file.path;
       });
 
       st.deepEqual(
diff --git a/test/configuration-plugins.js b/test/configuration-plugins.js
index 32c6a70..543a7fa 100644
--- a/test/configuration-plugins.js
+++ b/test/configuration-plugins.js
@@ -73,7 +73,7 @@ test('configuration', function (t) {
         stderr().split('\n').slice(0, 2).join('\n'),
         [
           'one.txt',
-          '        1:1  error    Error: Boom!'
+          '  1:1  error  Error: Boom!'
         ].join('\n'),
         'should report'
       );
@@ -100,8 +100,7 @@ test('configuration', function (t) {
         stderr().split('\n').slice(0, 2).join('\n'),
         [
           'one.txt',
-          '        1:1  error    Error: Cannot find ' +
-            'module \'missing\''
+          '  1:1  error  Error: Cannot find module \'missing\''
         ].join('\n'),
         'should report'
       );
@@ -130,9 +129,8 @@ test('configuration', function (t) {
         stderr().split('\n').slice(0, 2).join('\n'),
         [
           'one.txt',
-          '        1:1  error    Error: Loading `' + plugin + '` ' +
-            'should give a function, not `[object ' +
-            'Object]`'
+          '  1:1  error  Error: Loading `' + plugin + '` should ' +
+            'give a function, not `[object Object]`'
         ].join('\n'),
         'should report'
       );
@@ -159,7 +157,7 @@ test('configuration', function (t) {
         stderr().split('\n').slice(0, 2).join('\n'),
         [
           'one.txt',
-          '        1:1  error    Error: Missing `required`'
+          '  1:1  error  Error: Missing `required`'
         ].join('\n'),
         'should report'
       );
diff --git a/test/configuration-presets.js b/test/configuration-presets.js
new file mode 100644
index 0000000..0064af3
--- /dev/null
+++ b/test/configuration-presets.js
@@ -0,0 +1,231 @@
+/**
+ * @author Titus Wormer
+ * @copyright 2016 Titus Wormer
+ * @license MIT
+ * @module unified-engine
+ * @fileoverview Test suite for `unified-engine`.
+ */
+
+'use strict';
+
+/* Dependencies. */
+var path = require('path');
+var test = require('tape');
+var noop = require('./util/noop-processor');
+var spy = require('./util/spy');
+var engine = require('..');
+
+/* Methods. */
+var join = path.join;
+
+/* Constants. */
+var fixtures = join(__dirname, 'fixtures');
+
+/* Tests. */
+test('configuration-presets', function (t) {
+  t.plan(7);
+
+  t.test('should fail on missing `presets`', function (st) {
+    var stderr = spy();
+
+    st.plan(1);
+
+    engine({
+      processor: noop,
+      cwd: join(fixtures, 'config-presets-missing'),
+      streamError: stderr.stream,
+      globs: ['.'],
+      rcName: '.foorc',
+      extensions: ['txt']
+    }, function (err, code) {
+      var out = stderr().split('\n').slice(0, 3).join('\n');
+
+      st.deepEqual(
+        [err, code, out],
+        [
+          null,
+          1,
+          'nested/two.txt\n' +
+          '  1:1  error  Error: Cannot read configuration file: ./preset\n' +
+          'ENOENT: no such file or directory, open \'./preset\''
+        ],
+        'should fail'
+      );
+    });
+  });
+
+  t.test('should fail on invalid `presets`', function (st) {
+    var root = join(fixtures, 'config-presets-invalid');
+    var stderr = spy();
+
+    st.plan(1);
+
+    engine({
+      processor: noop,
+      cwd: root,
+      streamError: stderr.stream,
+      globs: ['.'],
+      rcName: '.foorc',
+      extensions: ['txt']
+    }, function (err, code) {
+      var out = stderr().split('\n').slice(0, 3).join('\n');
+
+      st.deepEqual(
+        [err, code, out.replace(path.join(root, 'preset.js'), '???')],
+        [
+          null,
+          1,
+          'nested/two.txt\n' +
+          '  1:1  error  Error: Cannot read configuration file: ???\n' +
+          'invalid'
+        ],
+        'should fail'
+      );
+    });
+  });
+
+  t.test('should supports `presets` as `string`', function (st) {
+    var stderr = spy();
+
+    /* More assertions are in loaded plugins. */
+    st.plan(3);
+
+    engine({
+      processor: noop.use(function (processor) {
+        processor.t = st;
+      }),
+      cwd: join(fixtures, 'config-presets-string'),
+      streamError: stderr.stream,
+      globs: ['.'],
+      rcName: '.foorc',
+      extensions: ['txt']
+    }, function (err, code) {
+      st.deepEqual(
+        [err, code, stderr()],
+        [
+          null,
+          0,
+          'nested/two.txt: no issues found\n' +
+          'one.txt: no issues found\n'
+        ],
+        'should succeed'
+      );
+    });
+  });
+
+  t.test('should prefer local plugins', function (st) {
+    var stderr = spy();
+
+    /* More assertions are in loaded plugins. */
+    st.plan(3);
+
+    engine({
+      processor: noop.use(function (processor) {
+        processor.t = st;
+      }),
+      cwd: join(fixtures, 'config-presets-local'),
+      streamError: stderr.stream,
+      globs: ['.'],
+      rcName: '.foorc',
+      extensions: ['txt']
+    }, function (err, code) {
+      st.deepEqual(
+        [err, code, stderr()],
+        [
+          null,
+          0,
+          'nested/two.txt: no issues found\n' +
+          'one.txt: no issues found\n'
+        ],
+        'should succeed'
+      );
+    });
+  });
+
+  t.test('should supports `presets` as `Array.<string>`', function (st) {
+    var stderr = spy();
+
+    /* More assertions are in loaded plugins. */
+    st.plan(3);
+
+    engine({
+      processor: noop.use(function (processor) {
+        processor.t = st;
+      }),
+      cwd: join(fixtures, 'config-presets-list'),
+      streamError: stderr.stream,
+      globs: ['.'],
+      rcName: '.foorc',
+      extensions: ['txt']
+    }, function (err, code) {
+      st.deepEqual(
+        [err, code, stderr()],
+        [
+          null,
+          0,
+          'nested/two.txt: no issues found\n' +
+          'one.txt: no issues found\n'
+        ],
+        'should succeed'
+      );
+    });
+  });
+
+  t.test('should supports `presets` as `Object` (1)', function (st) {
+    var stderr = spy();
+
+    /* More assertions are in loaded plugins. */
+    st.plan(3);
+
+    engine({
+      processor: noop.use(function (processor) {
+        processor.t = st;
+      }),
+      cwd: join(fixtures, 'config-presets-object'),
+      streamError: stderr.stream,
+      globs: ['.'],
+      rcName: '.foorc',
+      extensions: ['txt']
+    }, function (err, code) {
+      st.deepEqual(
+        [err, code, stderr()],
+        [
+          null,
+          0,
+          'nested/two.txt: no issues found\n' +
+          'one.txt: no issues found\n'
+        ],
+        'should succeed'
+      );
+    });
+  });
+
+  t.test('should supports `presets` as `Object` (2)', function (st) {
+    var stderr = spy();
+
+    /* More assertions are in loaded plugins. */
+    st.plan(3);
+
+    engine({
+      processor: noop.use(function (processor) {
+        processor.t = st;
+      }),
+      cwd: join(fixtures, 'config-presets-object-no-func'),
+      streamError: stderr.stream,
+      globs: ['.'],
+      rcName: '.foorc',
+      extensions: ['txt']
+    }, function (err, code) {
+      st.deepEqual(
+        [err, code, stderr()],
+        [
+          null,
+          0,
+          'nested/two.txt: no issues found\n' +
+          'one.txt: no issues found\n'
+        ],
+        'should succeed'
+      );
+    });
+  });
+});
diff --git a/test/configuration.js b/test/configuration.js
index ea90832..a74c356 100644
--- a/test/configuration.js
+++ b/test/configuration.js
@@ -27,7 +27,7 @@ test('configuration', function (t) {
 
   engine({
     processor: noop,
-    cwd: join(fixtures, 'empty'),
+    cwd: join(fixtures, 'one-file'),
     globs: ['.'],
     rcPath: '.foorc',
     extensions: ['txt']
@@ -77,8 +77,7 @@ test('configuration', function (t) {
         report,
         [
           'one.txt',
-          '        1:1  error    Error: Cannot read ' +
-              'configuration file'
+          '  1:1  error  Error: Cannot read configuration file'
         ].join('\n'),
         'should fail fatally when custom .rc files ' +
         'are malformed'
@@ -140,8 +139,7 @@ test('configuration', function (t) {
         report.slice(0, report.lastIndexOf(':')),
         [
           'one.txt',
-          '        1:1  error    YAMLException: Cannot read ' +
-              'configuration file'
+          '  1:1  error  YAMLException: Cannot read configuration file'
         ].join('\n'),
         'should fail fatally when custom .rc files ' +
         'are malformed'
@@ -200,8 +198,8 @@ test('configuration', function (t) {
         stderr().split('\n').slice(0, 4).join('\n'),
         [
           'one.txt',
-          '        1:1  error    JSONError: Cannot ' +
-            'read configuration file: ' + join(cwd, 'package.json'),
+          '  1:1  error  JSONError: Cannot read configuration ' +
+            'file: ' + join(cwd, 'package.json'),
           'No data, empty input at 1:1',
           '^'
         ].join('\n'),
diff --git a/test/fixtures/config-plugins-cascade/.foorc b/test/fixtures/config-plugins-cascade/.foorc
index f9bf56f..f34ae56 100644
--- a/test/fixtures/config-plugins-cascade/.foorc
+++ b/test/fixtures/config-plugins-cascade/.foorc
@@ -1,3 +1,3 @@
 {
-  "plugins": ["test", "test2"]
+  "plugins": ["./test", "./test2"]
 }
diff --git a/test/fixtures/config-plugins-cascade/.foorc.js b/test/fixtures/config-plugins-cascade/.foorc.js
index bfc2aa1..80c3e3c 100644
--- a/test/fixtures/config-plugins-cascade/.foorc.js
+++ b/test/fixtures/config-plugins-cascade/.foorc.js
@@ -1,14 +1,14 @@
 module.exports = {
   missing: undefined,
   plugins: {
-    test: {
+    './test': {
       script: true,
       cascade: 1
     },
-    test3: null,
-    test4: {},
+    './test3': null,
+    './test4': {},
 
     // Set plug-ins to `false` to turn them off.
-    test5: false
+    './test5': false
   }
 }
diff --git a/test/fixtures/config-plugins-cascade/nested/.foorc b/test/fixtures/config-plugins-cascade/nested/.foorc
index 253cf5b..48ce0c8 100644
--- a/test/fixtures/config-plugins-cascade/nested/.foorc
+++ b/test/fixtures/config-plugins-cascade/nested/.foorc
@@ -1,6 +1,6 @@
 {
   "plugins": [
-    "test",
-    "test2"
+    "./test",
+    "./test2"
   ]
 }
diff --git a/test/fixtures/config-plugins-cascade/nested/.foorc.js b/test/fixtures/config-plugins-cascade/nested/.foorc.js
index 1211c9b..3ae8fff 100644
--- a/test/fixtures/config-plugins-cascade/nested/.foorc.js
+++ b/test/fixtures/config-plugins-cascade/nested/.foorc.js
@@ -4,6 +4,6 @@ var opts = {
 };
 
 module.exports.plugins = {
-  test: opts,
-  test2: opts
+  './test': opts,
+  './test2': opts
 }
diff --git a/test/fixtures/config-plugins-cascade/nested/package.json b/test/fixtures/config-plugins-cascade/nested/package.json
index 27da077..c9e6a3f 100644
--- a/test/fixtures/config-plugins-cascade/nested/package.json
+++ b/test/fixtures/config-plugins-cascade/nested/package.json
@@ -1,8 +1,8 @@
 {
   "fooConfig": {
     "plugins": {
-      "test": null,
-      "test2": null
+      "./test": null,
+      "./test2": null
     }
   }
 }
diff --git a/test/fixtures/config-plugins-cascade/package.json b/test/fixtures/config-plugins-cascade/package.json
index c281cfc..411b0da 100644
--- a/test/fixtures/config-plugins-cascade/package.json
+++ b/test/fixtures/config-plugins-cascade/package.json
@@ -2,7 +2,7 @@
   "fooConfig": {
     "coverage": "quuuux",
     "plugins": {
-      "test": {
+      "./test": {
         "package": ["foo", "bar", "baz"],
         "cascade": 2
       }
diff --git a/test/fixtures/config-presets-invalid/.foorc b/test/fixtures/config-presets-invalid/.foorc
new file mode 100644
index 0000000..c0a557a
--- /dev/null
+++ b/test/fixtures/config-presets-invalid/.foorc
@@ -0,0 +1,3 @@
+{
+  "presets": "./preset"
+}
diff --git a/test/fixtures/config-presets-invalid/nested/two.txt b/test/fixtures/config-presets-invalid/nested/two.txt
new file mode 100644
index 0000000..e69de29
diff --git a/test/fixtures/config-presets-invalid/one.txt b/test/fixtures/config-presets-invalid/one.txt
new file mode 100644
index 0000000..e69de29
diff --git a/test/fixtures/config-presets-invalid/preset.js b/test/fixtures/config-presets-invalid/preset.js
new file mode 100644
index 0000000..169d47c
--- /dev/null
+++ b/test/fixtures/config-presets-invalid/preset.js
@@ -0,0 +1 @@
+throw new Error('invalid');
diff --git a/test/fixtures/config-presets-list/.foorc b/test/fixtures/config-presets-list/.foorc
new file mode 100644
index 0000000..d565b30
--- /dev/null
+++ b/test/fixtures/config-presets-list/.foorc
@@ -0,0 +1,12 @@
+{
+  "presets": [
+    "./three",
+    "./four"
+  ],
+  "plugins": {
+    "./plugin": {
+      "bravo": false,
+      "charlie": true
+    }
+  }
+}
diff --git a/test/fixtures/config-presets-list/four/index.js b/test/fixtures/config-presets-list/four/index.js
new file mode 100644
index 0000000..c840bcb
--- /dev/null
+++ b/test/fixtures/config-presets-list/four/index.js
@@ -0,0 +1,8 @@
+module.exports = {
+  plugins: {
+    './plugin': {
+      charlie: true,
+      delta: true
+    }
+  }
+};
diff --git a/test/fixtures/config-presets-list/four/plugin.js b/test/fixtures/config-presets-list/four/plugin.js
new file mode 100644
index 0000000..17af15a
--- /dev/null
+++ b/test/fixtures/config-presets-list/four/plugin.js
@@ -0,0 +1,3 @@
+module.exports = function () {
+  throw new Error('Shouldn’t run (the `./plugin` in `three` is used)');
+};
diff --git a/test/fixtures/config-presets-list/nested/two.txt b/test/fixtures/config-presets-list/nested/two.txt
new file mode 100644
index 0000000..e69de29
diff --git a/test/fixtures/config-presets-list/one.txt b/test/fixtures/config-presets-list/one.txt
new file mode 100644
index 0000000..e69de29
diff --git a/test/fixtures/config-presets-list/three/index.js b/test/fixtures/config-presets-list/three/index.js
new file mode 100644
index 0000000..e03712f
--- /dev/null
+++ b/test/fixtures/config-presets-list/three/index.js
@@ -0,0 +1,8 @@
+module.exports = {
+  plugins: {
+    './plugin': {
+      alpha: true,
+      bravo: true
+    }
+  }
+};
diff --git a/test/fixtures/config-presets-list/three/plugin.js b/test/fixtures/config-presets-list/three/plugin.js
new file mode 100644
index 0000000..52acdab
--- /dev/null
+++ b/test/fixtures/config-presets-list/three/plugin.js
@@ -0,0 +1,12 @@
+module.exports = function (processor, options) {
+  processor.t.deepEqual(
+    options,
+    {
+      alpha: true,
+      bravo: false,
+      charlie: true,
+      delta: true
+    },
+    'should pass the correct options to the preset plugin'
+  );
+};
diff --git a/test/fixtures/config-presets-local/.foorc b/test/fixtures/config-presets-local/.foorc
new file mode 100644
index 0000000..2c0f99e
--- /dev/null
+++ b/test/fixtures/config-presets-local/.foorc
@@ -0,0 +1,9 @@
+{
+  "presets": "./preset",
+  "plugins": {
+    "./plugin": {
+      "two": false,
+      "three": true
+    }
+  }
+}
diff --git a/test/fixtures/config-presets-local/nested/two.txt b/test/fixtures/config-presets-local/nested/two.txt
new file mode 100644
index 0000000..e69de29
diff --git a/test/fixtures/config-presets-local/one.txt b/test/fixtures/config-presets-local/one.txt
new file mode 100644
index 0000000..e69de29
diff --git a/test/fixtures/config-presets-local/plugin.js b/test/fixtures/config-presets-local/plugin.js
new file mode 100644
index 0000000..b9369cb
--- /dev/null
+++ b/test/fixtures/config-presets-local/plugin.js
@@ -0,0 +1,11 @@
+module.exports = function (processor, options) {
+  processor.t.deepEqual(
+    options,
+    {
+      one: true,
+      two: false,
+      three: true
+    },
+    'should pass the correct options to the local plugin'
+  );
+};
diff --git a/test/fixtures/config-presets-local/preset/index.js b/test/fixtures/config-presets-local/preset/index.js
new file mode 100644
index 0000000..48500df
--- /dev/null
+++ b/test/fixtures/config-presets-local/preset/index.js
@@ -0,0 +1,8 @@
+module.exports = {
+  plugins: {
+    './plugin': {
+      one: true,
+      two: true
+    }
+  }
+};
diff --git a/test/fixtures/config-presets-local/preset/plugin.js b/test/fixtures/config-presets-local/preset/plugin.js
new file mode 100644
index 0000000..ba34f3e
--- /dev/null
+++ b/test/fixtures/config-presets-local/preset/plugin.js
@@ -0,0 +1 @@
+throw new Error('Shouldn’t load: local plugins should be preferred');
diff --git a/test/fixtures/config-presets-missing/.foorc b/test/fixtures/config-presets-missing/.foorc
new file mode 100644
index 0000000..2c0f99e
--- /dev/null
+++ b/test/fixtures/config-presets-missing/.foorc
@@ -0,0 +1,9 @@
+{
+  "presets": "./preset",
+  "plugins": {
+    "./plugin": {
+      "two": false,
+      "three": true
+    }
+  }
+}
diff --git a/test/fixtures/config-presets-missing/nested/two.txt b/test/fixtures/config-presets-missing/nested/two.txt
new file mode 100644
index 0000000..e69de29
diff --git a/test/fixtures/config-presets-missing/one.txt b/test/fixtures/config-presets-missing/one.txt
new file mode 100644
index 0000000..e69de29
diff --git a/test/fixtures/config-presets-object-no-func/.foorc b/test/fixtures/config-presets-object-no-func/.foorc
new file mode 100644
index 0000000..1fbf647
--- /dev/null
+++ b/test/fixtures/config-presets-object-no-func/.foorc
@@ -0,0 +1,11 @@
+{
+  "presets": {
+    "./preset": {"some": "ignored stuff"}
+  },
+  "plugins": {
+    "./plugin": {
+      "two": false,
+      "three": true
+    }
+  }
+}
diff --git a/test/fixtures/config-presets-object-no-func/nested/two.txt b/test/fixtures/config-presets-object-no-func/nested/two.txt
new file mode 100644
index 0000000..e69de29
diff --git a/test/fixtures/config-presets-object-no-func/one.txt b/test/fixtures/config-presets-object-no-func/one.txt
new file mode 100644
index 0000000..e69de29
diff --git a/test/fixtures/config-presets-object-no-func/preset/index.js b/test/fixtures/config-presets-object-no-func/preset/index.js
new file mode 100644
index 0000000..48500df
--- /dev/null
+++ b/test/fixtures/config-presets-object-no-func/preset/index.js
@@ -0,0 +1,8 @@
+module.exports = {
+  plugins: {
+    './plugin': {
+      one: true,
+      two: true
+    }
+  }
+};
diff --git a/test/fixtures/config-presets-object-no-func/preset/plugin.js b/test/fixtures/config-presets-object-no-func/preset/plugin.js
new file mode 100644
index 0000000..d136a35
--- /dev/null
+++ b/test/fixtures/config-presets-object-no-func/preset/plugin.js
@@ -0,0 +1,11 @@
+module.exports = function (processor, options) {
+  processor.t.deepEqual(
+    options,
+    {
+      one: true,
+      two: false,
+      three: true
+    },
+    'should pass the correct options to the preset plugin'
+  );
+};
diff --git a/test/fixtures/config-presets-object/.foorc b/test/fixtures/config-presets-object/.foorc
new file mode 100644
index 0000000..427bdc3
--- /dev/null
+++ b/test/fixtures/config-presets-object/.foorc
@@ -0,0 +1,5 @@
+{
+  "presets": {
+    "./preset": {"options": "for", "the": "preset"}
+  }
+}
diff --git a/test/fixtures/config-presets-object/nested/two.txt b/test/fixtures/config-presets-object/nested/two.txt
new file mode 100644
index 0000000..e69de29
diff --git a/test/fixtures/config-presets-object/one.txt b/test/fixtures/config-presets-object/one.txt
new file mode 100644
index 0000000..e69de29
diff --git a/test/fixtures/config-presets-object/preset/index.js b/test/fixtures/config-presets-object/preset/index.js
new file mode 100644
index 0000000..00fce8e
--- /dev/null
+++ b/test/fixtures/config-presets-object/preset/index.js
@@ -0,0 +1,7 @@
+module.exports = function (current, options) {
+  return {
+    plugins: {
+      './plugin': options
+    }
+  };
+};
diff --git a/test/fixtures/config-presets-object/preset/plugin.js b/test/fixtures/config-presets-object/preset/plugin.js
new file mode 100644
index 0000000..d6dd045
--- /dev/null
+++ b/test/fixtures/config-presets-object/preset/plugin.js
@@ -0,0 +1,10 @@
+module.exports = function (processor, options) {
+  processor.t.deepEqual(
+    options,
+    {
+      options: 'for',
+      the: 'preset'
+    },
+    'should pass the correct options to the preset plugin'
+  );
+};
diff --git a/test/fixtures/config-presets-string/.foorc b/test/fixtures/config-presets-string/.foorc
new file mode 100644
index 0000000..2c0f99e
--- /dev/null
+++ b/test/fixtures/config-presets-string/.foorc
@@ -0,0 +1,9 @@
+{
+  "presets": "./preset",
+  "plugins": {
+    "./plugin": {
+      "two": false,
+      "three": true
+    }
+  }
+}
diff --git a/test/fixtures/config-presets-string/nested/two.txt b/test/fixtures/config-presets-string/nested/two.txt
new file mode 100644
index 0000000..e69de29
diff --git a/test/fixtures/config-presets-string/one.txt b/test/fixtures/config-presets-string/one.txt
new file mode 100644
index 0000000..e69de29
diff --git a/test/fixtures/config-presets-string/preset/index.js b/test/fixtures/config-presets-string/preset/index.js
new file mode 100644
index 0000000..48500df
--- /dev/null
+++ b/test/fixtures/config-presets-string/preset/index.js
@@ -0,0 +1,8 @@
+module.exports = {
+  plugins: {
+    './plugin': {
+      one: true,
+      two: true
+    }
+  }
+};
diff --git a/test/fixtures/config-presets-string/preset/plugin.js b/test/fixtures/config-presets-string/preset/plugin.js
new file mode 100644
index 0000000..d136a35
--- /dev/null
+++ b/test/fixtures/config-presets-string/preset/plugin.js
@@ -0,0 +1,11 @@
+module.exports = function (processor, options) {
+  processor.t.deepEqual(
+    options,
+    {
+      one: true,
+      two: false,
+      three: true
+    },
+    'should pass the correct options to the preset plugin'
+  );
+};
diff --git a/test/fixtures/malformed-plugin/package.json b/test/fixtures/malformed-plugin/package.json
index 99c7928..f7aae99 100644
--- a/test/fixtures/malformed-plugin/package.json
+++ b/test/fixtures/malformed-plugin/package.json
@@ -1,5 +1,5 @@
 {
   "fooConfig": {
-    "plugins": ["test"]
+    "plugins": ["./test"]
   }
 }
diff --git a/test/fixtures/not-a-plugin/package.json b/test/fixtures/not-a-plugin/package.json
index 99c7928..f7aae99 100644
--- a/test/fixtures/not-a-plugin/package.json
+++ b/test/fixtures/not-a-plugin/package.json
@@ -1,5 +1,5 @@
 {
   "fooConfig": {
-    "plugins": ["test"]
+    "plugins": ["./test"]
   }
 }
diff --git a/test/fixtures/throwing-plugin/package.json b/test/fixtures/throwing-plugin/package.json
index 99c7928..f7aae99 100644
--- a/test/fixtures/throwing-plugin/package.json
+++ b/test/fixtures/throwing-plugin/package.json
@@ -1,5 +1,5 @@
 {
   "fooConfig": {
-    "plugins": ["test"]
+    "plugins": ["./test"]
   }
 }
diff --git a/test/index.js b/test/index.js
index ac36a9d..df35940 100644
--- a/test/index.js
+++ b/test/index.js
@@ -13,6 +13,7 @@ require('./input');
 require('./ignore');
 require('./configuration');
 require('./configuration-plugins');
+require('./configuration-presets');
 require('./stdin');
 require('./output');
 require('./tree');
diff --git a/test/input.js b/test/input.js
index d0fc7e0..4dd3c3e 100644
--- a/test/input.js
+++ b/test/input.js
@@ -80,7 +80,7 @@ test('input', function (t) {
         stderr(),
         [
           'readme.md',
-          '        1:1  error    No such file or directory',
+          '  1:1  error  No such file or directory',
           '',
           '✖ 1 error',
           ''
@@ -255,10 +255,8 @@ test('input', function (t) {
         stderr(),
         [
           'one.txt: no issues found',
-          '',
           'nested/two.txt',
-          '        1:1  error    Cannot process ' +
-              'given file: it’s ignored',
+          '  1:1  error  Cannot process given file: it’s ignored',
           '',
           'nested/three.txt: no issues found',
           '',
@@ -289,10 +287,8 @@ test('input', function (t) {
         stderr(),
         [
           'nested/two.txt: no issues found',
-          '',
           'node_modules/ignore-one.txt',
-          '        1:1  error    Cannot process ' +
-              'specified file: it’s ignored',
+          '  1:1  error  Cannot process specified file: it’s ignored',
           '',
           'one.txt: no issues found',
           '',
diff --git a/test/output.js b/test/output.js
index d578377..61e916e 100644
--- a/test/output.js
+++ b/test/output.js
@@ -317,8 +317,8 @@ test('output', function (t) {
           /* Change the tree */
           tree.value = 'two';
 
-          /* Remove the file-path */
-          file.directory = file.filename = file.extension = null;
+          /* Remove the file-path. */
+          file.history = [];
         };
       }),
       cwd: cwd,
@@ -334,7 +334,7 @@ test('output', function (t) {
       st.equal(input, '', 'should not modify the input');
       st.equal(
         stderr(true),
-        'one.txt: no issues found\n',
+        '<stdin>: no issues found\n',
         'should not report'
       );
     });
@@ -364,8 +364,8 @@ test('output', function (t) {
       st.equal(
         report.join('\n'),
         'one.txt\n' +
-        '        1:1  error    Error: Cannot write ' +
-            'multiple files to single output',
+        '  1:1  error  Error: Cannot write multiple files to ' +
+          'single output',
         'should report'
       );
     });
@@ -397,8 +397,7 @@ test('output', function (t) {
         st.equal(
           report.join('\n'),
           'one.txt\n' +
-          '        1:1  error    Error: Cannot read ' +
-          'output directory. Error:\n',
+          '  1:1  error  Error: Cannot read output directory. Error:\n',
           'should report'
         );
       });
diff --git a/test/reporting.js b/test/reporting.js
index 10f0372..ddc5452 100644
--- a/test/reporting.js
+++ b/test/reporting.js
@@ -33,7 +33,7 @@ test('reporting', function (t) {
     engine({
       processor: noop().use(function () {
         return function (tree, file) {
-          file.warn('Warning');
+          file.message('Warning');
         };
       }),
       cwd: join(fixtures, 'one-file'),
@@ -48,7 +48,7 @@ test('reporting', function (t) {
         stderr(),
         [
           'one.txt',
-          '        1:1  warning  Warning',
+          '  1:1  warning  Warning',
           '',
           '⚠ 1 warning',
           ''
@@ -68,8 +68,8 @@ test('reporting', function (t) {
       engine({
         processor: noop().use(function () {
           return function (tree, file) {
-            if (file.filename === 'two') {
-              file.warn('Warning!');
+            if (file.stem === 'two') {
+              file.message('Warning!');
             }
           };
         }),
@@ -86,7 +86,7 @@ test('reporting', function (t) {
           stderr(),
           [
             'two.txt',
-            '        1:1  warning  Warning!',
+            '  1:1  warning  Warning!',
             '',
             '⚠ 1 warning',
             ''
@@ -120,8 +120,7 @@ test('reporting', function (t) {
   );
 
   t.test(
-    'should not report succesful files when ' +
-    '`silent`',
+    'should not report succesful files when `silent`',
     function (st) {
       var stderr = spy();
 
@@ -130,9 +129,9 @@ test('reporting', function (t) {
       engine({
         processor: noop().use(function () {
           return function (tree, file) {
-            file.warn('Warning!');
+            file.message('Warning!');
 
-            if (file.filename === 'two') {
+            if (file.stem === 'two') {
               file.fail('Error!');
             }
           };
@@ -150,7 +149,7 @@ test('reporting', function (t) {
           stderr(),
           [
             'two.txt',
-            '        1:1  error    Error!',
+            '  1:1  error  Error!',
             '',
             '✖ 1 error',
             ''
diff --git a/test/tree.js b/test/tree.js
index e3af7f6..48e5198 100644
--- a/test/tree.js
+++ b/test/tree.js
@@ -49,8 +49,7 @@ test('tree', function (t) {
         stderr(true).split('\n').slice(0, 4).join('\n'),
         [
           'doc.json',
-          '        1:1  error    JSONError: Cannot ' +
-            'read file as tree: doc.json',
+          '  1:1  error  JSONError: Cannot read file as JSON',
           'No data, empty input at 1:1',
           '^'
         ].join('\n'),
@@ -197,7 +196,7 @@ test('tree', function (t) {
       processor: noop,
       cwd: cwd,
       streamError: stderr.stream,
-      output: 'bar',
+      output: 'bar.json',
       treeOut: true,
       files: [
         toVFile(join(cwd, 'one.txt'))