Support Anthropic as an LLM provider

examples/browser/package.json

@@ -22,6 +22,7 @@
   },
   "theiaPluginsDir": "../../plugins",
   "dependencies": {
+    "@theia/ai-anthropic": "1.56.0",
     "@theia/ai-chat": "1.56.0",
     "@theia/ai-chat-ui": "1.56.0",
     "@theia/ai-code-completion": "1.56.0",

examples/browser/tsconfig.json

@@ -8,6 +8,9 @@
     {
       "path": "../../dev-packages/cli"
     },
+    {
+      "path": "../../packages/ai-anthropic"
+    },
     {
       "path": "../../packages/ai-chat"
     },

packages/ai-anthropic/.eslintrc.js

@@ -0,0 +1,10 @@
+/** @type {import('eslint').Linter.Config} */
+module.exports = {
+    extends: [
+        '../../configs/build.eslintrc.json'
+    ],
+    parserOptions: {
+        tsconfigRootDir: __dirname,
+        project: 'tsconfig.json'
+    }
+};

packages/ai-anthropic/README.md

@@ -0,0 +1,31 @@
+<div align='center'>
+
+<br />
+
+<img src='https://raw.githubusercontent.com/eclipse-theia/theia/master/logo/theia.svg?sanitize=true' alt='theia-ext-logo' width='100px' />
+
+<h2>ECLIPSE THEIA - Anthropic EXTENSION</h2>
+
+<hr />
+
+</div>
+
+## Description
+
+The `@theia/anthropic` integrates Anthropic's models with Theia AI.
+The Anthropic API key and the models to use can be configured via preferences.
+Alternatively the API key can also be handed in via the `ANTHROPIC_API_KEY` environment variable.
+
+## Additional Information
+
+- [Theia - GitHub](https://github.com/eclipse-theia/theia)
+- [Theia - Website](https://theia-ide.org/)
+
+## License
+
+- [Eclipse Public License 2.0](http://www.eclipse.org/legal/epl-2.0/)
+- [一 (Secondary) GNU General Public License, version 2 with the GNU Classpath Exception](https://projects.eclipse.org/license/secondary-gpl-2.0-cp)
+
+## Trademark
+"Theia" is a trademark of the Eclipse Foundation
+https://www.eclipse.org/theia

packages/ai-anthropic/package.json

@@ -0,0 +1,49 @@
+{
+  "name": "@theia/ai-anthropic",
+  "version": "1.56.0",
+  "description": "Theia - Anthropic Integration",
+  "dependencies": {
+    "@theia/core": "1.56.0",
+    "@anthropic-ai/sdk": "^0.32.1",
+    "@theia/ai-core": "1.56.0"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "theiaExtensions": [
+    {
+      "frontend": "lib/browser/anthropic-frontend-module",
+      "backend": "lib/node/anthropic-backend-module"
+    }
+  ],
+  "keywords": [
+    "theia-extension"
+  ],
+  "license": "EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/eclipse-theia/theia.git"
+  },
+  "bugs": {
+    "url": "https://github.com/eclipse-theia/theia/issues"
+  },
+  "homepage": "https://github.com/eclipse-theia/theia",
+  "files": [
+    "lib",
+    "src"
+  ],
+  "scripts": {
+    "build": "theiaext build",
+    "clean": "theiaext clean",
+    "compile": "theiaext compile",
+    "lint": "theiaext lint",
+    "test": "theiaext test",
+    "watch": "theiaext watch"
+  },
+  "devDependencies": {
+    "@theia/ext-scripts": "1.56.0"
+  },
+  "nyc": {
+    "extends": "../../configs/nyc.json"
+  }
+}

packages/ai-anthropic/src/browser/anthropic-frontend-application-contribution.ts

@@ -0,0 +1,107 @@
+// *****************************************************************************
+// Copyright (C) 2024 EclipseSource GmbH.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { FrontendApplicationContribution, PreferenceService } from '@theia/core/lib/browser';
+import { inject, injectable } from '@theia/core/shared/inversify';
+import { AnthropicLanguageModelsManager, AnthropicModelDescription } from '../common';
+import { API_KEY_PREF, MODELS_PREF } from './anthropic-preferences';
+import { PREFERENCE_NAME_REQUEST_SETTINGS, RequestSetting } from '@theia/ai-core/lib/browser/ai-core-preferences';
+
+const ANTHROPIC_PROVIDER_ID = 'anthropic';
+
+@injectable()
+export class AnthropicFrontendApplicationContribution implements FrontendApplicationContribution {
+
+    @inject(PreferenceService)
+    protected preferenceService: PreferenceService;
+
+    @inject(AnthropicLanguageModelsManager)
+    protected manager: AnthropicLanguageModelsManager;
+
+    protected prevModels: string[] = [];
+
+    onStart(): void {
+        this.preferenceService.ready.then(() => {
+            const apiKey = this.preferenceService.get<string>(API_KEY_PREF, undefined);
+            this.manager.setApiKey(apiKey);
+
+            const models = this.preferenceService.get<string[]>(MODELS_PREF, []);
+            const requestSettings = this.getRequestSettingsPref();
+            this.manager.createOrUpdateLanguageModels(...models.map(modelId => this.createAnthropicModelDescription(modelId, requestSettings)));
+            this.prevModels = [...models];
+
+            this.preferenceService.onPreferenceChanged(event => {
+                if (event.preferenceName === API_KEY_PREF) {
+                    this.manager.setApiKey(event.newValue);
+                } else if (event.preferenceName === MODELS_PREF) {
+                    this.handleModelChanges(event.newValue as string[]);
+                } else if (event.preferenceName === PREFERENCE_NAME_REQUEST_SETTINGS) {
+                    this.handleRequestSettingsChanges(event.newValue as RequestSetting[]);
+                }
+            });
+        });
+    }
+
+    protected handleModelChanges(newModels: string[]): void {
+        const oldModels = new Set(this.prevModels);
+        const updatedModels = new Set(newModels);
+
+        const modelsToRemove = [...oldModels].filter(model => !updatedModels.has(model));
+        const modelsToAdd = [...updatedModels].filter(model => !oldModels.has(model));
+
+        this.manager.removeLanguageModels(...modelsToRemove.map(model => `${ANTHROPIC_PROVIDER_ID}/${model}`));
+        const requestSettings = this.getRequestSettingsPref();
+        this.manager.createOrUpdateLanguageModels(...modelsToAdd.map(modelId => this.createAnthropicModelDescription(modelId, requestSettings)));
+        this.prevModels = newModels;
+    }
+
+    private getRequestSettingsPref(): RequestSetting[] {
+        return this.preferenceService.get<RequestSetting[]>(PREFERENCE_NAME_REQUEST_SETTINGS, []);
+    }
+
+    protected handleRequestSettingsChanges(newSettings: RequestSetting[]): void {
+        const models = this.preferenceService.get<string[]>(MODELS_PREF, []);
+        this.manager.createOrUpdateLanguageModels(...models.map(modelId => this.createAnthropicModelDescription(modelId, newSettings)));
+    }
+
+    protected createAnthropicModelDescription(modelId: string, requestSettings: RequestSetting[]): AnthropicModelDescription {
+        const id = `${ANTHROPIC_PROVIDER_ID}/${modelId}`;
+        const modelRequestSetting = this.getMatchingRequestSetting(modelId, ANTHROPIC_PROVIDER_ID, requestSettings);
+        return {
+            id: id,
+            model: modelId,
+            apiKey: true,
+            enableStreaming: true,
+            defaultRequestSettings: modelRequestSetting?.requestSettings
+        };
+    }
+
+    protected getMatchingRequestSetting(
+        modelId: string,
+        providerId: string,
+        requestSettings: RequestSetting[]
+    ): RequestSetting | undefined {
+        const matchingSettings = requestSettings.filter(
+            setting => (!setting.providerId || setting.providerId === providerId) && setting.modelId === modelId
+        );
+        if (matchingSettings.length > 1) {
+            console.warn(
+                `Multiple entries found for provider "${providerId}" and model "${modelId}". Using the first match.`
+            );
+        }
+        return matchingSettings[0];
+    }
+}

packages/ai-anthropic/src/browser/anthropic-frontend-module.ts

@@ -0,0 +1,31 @@
+// *****************************************************************************
+// Copyright (C) 2024 EclipseSource GmbH.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { ContainerModule } from '@theia/core/shared/inversify';
+import { AnthropicPreferencesSchema } from './anthropic-preferences';
+import { FrontendApplicationContribution, PreferenceContribution, RemoteConnectionProvider, ServiceConnectionProvider } from '@theia/core/lib/browser';
+import { AnthropicFrontendApplicationContribution } from './anthropic-frontend-application-contribution';
+import { ANTHROPIC_LANGUAGE_MODELS_MANAGER_PATH, AnthropicLanguageModelsManager } from '../common';
+
+export default new ContainerModule(bind => {
+    bind(PreferenceContribution).toConstantValue({ schema: AnthropicPreferencesSchema });
+    bind(AnthropicFrontendApplicationContribution).toSelf().inSingletonScope();
+    bind(FrontendApplicationContribution).toService(AnthropicFrontendApplicationContribution);
+    bind(AnthropicLanguageModelsManager).toDynamicValue(ctx => {
+        const provider = ctx.container.get<ServiceConnectionProvider>(RemoteConnectionProvider);
+        return provider.createProxy<AnthropicLanguageModelsManager>(ANTHROPIC_LANGUAGE_MODELS_MANAGER_PATH);
+    }).inSingletonScope();
+});

packages/ai-anthropic/src/browser/anthropic-preferences.ts

@@ -0,0 +1,42 @@
+// *****************************************************************************
+// Copyright (C) 2024 EclipseSource GmbH.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { PreferenceSchema } from '@theia/core/lib/browser/preferences/preference-contribution';
+import { AI_CORE_PREFERENCES_TITLE } from '@theia/ai-core/lib/browser/ai-core-preferences';
+
+export const API_KEY_PREF = 'ai-features.anthropic.AnthropicApiKey';
+export const MODELS_PREF = 'ai-features.anthropic.AnthropicModels';
+
+export const AnthropicPreferencesSchema: PreferenceSchema = {
+    type: 'object',
+    properties: {
+        [API_KEY_PREF]: {
+            type: 'string',
+            markdownDescription: 'Enter an API Key of your official Anthropic Account. **Please note:** By using this preference the Anthropic API key will be stored in clear text\
+            on the machine running Theia. Use the environment variable `ANTHROPIC_API_KEY` to set the key securely.',
+            title: AI_CORE_PREFERENCES_TITLE,
+        },
+        [MODELS_PREF]: {
+            type: 'array',
+            description: 'Official Anthropic models to use',
+            title: AI_CORE_PREFERENCES_TITLE,
+            default: ['claude-3-5-sonnet-latest', 'claude-3-5-haiku-latest', 'claude-3-opus-latest'],
+            items: {
+                type: 'string'
+            }
+        },
+    }
+};

packages/ai-anthropic/src/common/anthropic-language-models-manager.ts

@@ -0,0 +1,45 @@
+// *****************************************************************************
+// Copyright (C) 2024 EclipseSource GmbH.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+export const ANTHROPIC_LANGUAGE_MODELS_MANAGER_PATH = '/services/anthropic/language-model-manager';
+export const AnthropicLanguageModelsManager = Symbol('AnthropicLanguageModelsManager');
+export interface AnthropicModelDescription {
+    /**
+     * The identifier of the model which will be shown in the UI.
+     */
+    id: string;
+    /**
+     * The model ID as used by the Anthropic API.
+     */
+    model: string;
+    /**
+     * The key for the model. If 'true' is provided the global Anthropic API key will be used.
+     */
+    apiKey: string | true | undefined;
+    /**
+     * Indicate whether the streaming API shall be used.
+     */
+    enableStreaming: boolean;
+    /**
+     * Default request settings for the Anthropic model.
+     */
+    defaultRequestSettings?: { [key: string]: unknown };
+}
+export interface AnthropicLanguageModelsManager {
+    apiKey: string | undefined;
+    setApiKey(key: string | undefined): void;
+    createOrUpdateLanguageModels(...models: AnthropicModelDescription[]): Promise<void>;
+    removeLanguageModels(...modelIds: string[]): void
+}

packages/ai-anthropic/src/common/index.ts

@@ -0,0 +1,16 @@
+// *****************************************************************************
+// Copyright (C) 2024 EclipseSource GmbH.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+export * from './anthropic-language-models-manager';

packages/ai-anthropic/src/node/anthropic-backend-module.ts

@@ -0,0 +1,28 @@
+// *****************************************************************************
+// Copyright (C) 2024 EclipseSource GmbH.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { ContainerModule } from '@theia/core/shared/inversify';
+import { ANTHROPIC_LANGUAGE_MODELS_MANAGER_PATH, AnthropicLanguageModelsManager } from '../common/anthropic-language-models-manager';
+import { ConnectionHandler, RpcConnectionHandler } from '@theia/core';
+import { AnthropicLanguageModelsManagerImpl } from './anthropic-language-models-manager-impl';
+
+export default new ContainerModule(bind => {
+    bind(AnthropicLanguageModelsManagerImpl).toSelf().inSingletonScope();
+    bind(AnthropicLanguageModelsManager).toService(AnthropicLanguageModelsManagerImpl);
+    bind(ConnectionHandler).toDynamicValue(ctx =>
+        new RpcConnectionHandler(ANTHROPIC_LANGUAGE_MODELS_MANAGER_PATH, () => ctx.container.get(AnthropicLanguageModelsManager))
+    ).inSingletonScope();
+});