diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..c2966b6
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,22 @@
+root = false
+
+[*]
+# e.g. tabstop
+tab_width = unset
+
+[*.sh]
+indent_size = 4
+indent_style = space
+
+[{.gitconfig,**/.git/config,config.worktree}]
+indent_style = tab
+
+[*.{lua,nix,scm,json,yml,yaml}]
+indent_style = space
+indent_size = 2
+
+[*.lua]
+max_line_length = 90
+
+[*.{yml,yaml}]
+quote_type = single
diff --git a/.luarc.json b/.luarc.json
index 0bd22f3..98a61b1 100644
--- a/.luarc.json
+++ b/.luarc.json
@@ -11,6 +11,16 @@
     "checkThirdParty": "Disable",
     "library": [
       "test/plenary"
+    ],
+    "ignoreDir": [
+      "/.meta",
+      "/.log",
+      ".vscode"
+    ]
+  },
+  "diagnostics": {
+    "unusedLocalExclude": [
+      "_*"
     ]
   }
 }