Add the Claude Agent SDK Sample

.github/dependabot.yml

@@ -24,6 +24,7 @@ updates:
       - '/common/backend/'
       - '/agents/agent-mastra/'
       - '/agents/agent-voltagent/'
+      - '/agents/agent-sdk/'
       - '/basic/cdk/'
       - '/basic/app/'
       - '/mcp/clients/langgraph-mcp-client/'

agents/agent-sdk/.gitignore

@@ -0,0 +1,8 @@
+output.txt
+node_modules
+dist
+.mastra
+.env.development
+.env*
+*.db
+output.ts

agents/agent-sdk/eslint.config.ts

@@ -0,0 +1,63 @@
+import { defineConfig } from 'eslint/config';
+import eslint from '@eslint/js';
+import stylistic from '@stylistic/eslint-plugin';
+import tseslint from 'typescript-eslint';
+import eslintImport from 'eslint-plugin-import';
+
+import { includeIgnoreFile } from '@eslint/compat';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const gitignorePath = path.resolve(__dirname, './.gitignore');
+
+export default defineConfig(
+  includeIgnoreFile(gitignorePath),
+  {
+    ignores: [
+      '**/*.d.ts',
+      '*.{js,jsx}',
+      'src/tsconfig.json',
+      'src/stories',
+      '**/*.css',
+      'node_modules/**/*',
+      './.next/*',
+      'out',
+      '.storybook',
+      'dist',
+      '.vinxi',
+      '.output',
+    ],
+  },
+  eslint.configs.recommended,
+  ...tseslint.configs.strict,
+  ...tseslint.configs.stylistic,
+  {
+    files: ['src/**/*.{ts,tsx}'],
+    languageOptions: {
+      parser: tseslint.parser,
+      ecmaVersion: 'latest',
+      sourceType: 'module',
+      parserOptions: {
+        projectService: true,
+        tsconfigRootDir: __dirname,
+        project: [
+          './tsconfig.json',
+          './tsconfig-eslint.json',
+        ],
+      },
+    },
+    plugins: {
+      '@stylistic': stylistic,
+    },
+    extends: [eslintImport.flatConfigs.recommended, eslintImport.flatConfigs.typescript],
+    rules: {
+      '@stylistic/semi': ['error', 'always'],
+      '@stylistic/indent': ['error', 2],
+      '@stylistic/comma-dangle': ['error', 'always-multiline'],
+      '@stylistic/quotes': ['error', 'single'],
+      'import/no-unresolved': 'off',
+    },
+  }
+);

agents/agent-sdk/package.json

@@ -0,0 +1,43 @@
+{
+  "name": "agent-sdk",
+  "version": "1.0.0",
+  "description": "Claude Agent SDK sample implementation for TypeScript",
+  "main": "dist/index.js",
+  "type": "module",
+  "scripts": {
+    "build": "tsc --build --clean && tsc",
+    "clean": "tsc --build --clean",
+    "watch": "tsc -w",
+    "test": "vitest run --passWithNoTests",
+    "dev": "tsx src/index.ts",
+    "lint": "eslint .",
+    "lint-fix": "eslint . --fix"
+  },
+  "devDependencies": {
+    "@eslint/compat": "^1.4.1",
+    "@eslint/js": "^9.39.1",
+    "@stylistic/eslint-plugin": "^5.5.0",
+    "@types/node": "^22.19.0",
+    "@types/uuid": "^10.0.0",
+    "@vitest/eslint-plugin": "^1.4.1",
+    "dotenv": "^16.6.1",
+    "esbuild": "^0.25.12",
+    "eslint": "^9.39.1",
+    "eslint-import-resolver-typescript": "^4.4.4",
+    "eslint-plugin-import": "^2.32.0",
+    "eslint-plugin-promise": "^7.2.1",
+    "jiti": "^2.6.1",
+    "tsx": "^4.20.6",
+    "typescript": "^5.9.3",
+    "typescript-eslint": "^8.46.3",
+    "vite": "^7.2.2",
+    "vite-tsconfig-paths": "^5.1.4",
+    "vitest": "^4.0.8"
+  },
+  "dependencies": {
+    "@anthropic-ai/claude-agent-sdk": "^0.1.30",
+    "source-map-support": "^0.5.21",
+    "uuid": "^13.0.0",
+    "zod": "^4.1.12"
+  }
+}

agents/agent-sdk/src/index.ts

@@ -0,0 +1,20 @@
+import { query } from '@anthropic-ai/claude-agent-sdk';
+
+(async () => {
+  const stream = query({
+    prompt:
+      'Node.js のプログラムでフィボナッチ数列を出力するプログラムを TypeScript 書いて、現在の作業ディレクトリに output.ts という名前で保存してください。ファイルパスは相対パスで ./output.ts としてください。',
+    options: {
+      // systemPrompt: '',
+      allowedTools: ['Write'],
+      cwd: process.cwd(),
+    },
+  });
+
+  for await (const message of stream) {
+    // 実行途中の出力をログ表示
+    console.log(message);
+  }
+
+  console.log('\n処理を完了しました。');
+})();

agents/agent-sdk/tsconfig-eslint.json

@@ -0,0 +1,10 @@
+{
+  "extends": ["./tsconfig.json"],
+  "compilerOptions": {
+    "noEmit": true
+  },
+  "exclude": [
+    "node_modules",
+    "cdk.out"
+  ]
+}

agents/agent-sdk/tsconfig.json

@@ -0,0 +1,44 @@
+{
+  "compilerOptions": {
+    "target": "esnext",
+    "module": "nodenext",
+    "lib": [
+      "esnext",
+      "dom"
+    ],
+    "moduleResolution": "nodenext",
+    "moduleDetection": "force",
+    "resolveJsonModule": true,
+    "allowJs": true,
+    "esModuleInterop": true,
+    "isolatedModules": true,
+    "declaration": true,
+    "strict": true,
+    "noImplicitAny": true,
+    "strictNullChecks": true,
+    "noImplicitThis": true,
+    "alwaysStrict": true,
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noImplicitReturns": true,
+    "noFallthroughCasesInSwitch": false,
+    "inlineSourceMap": true,
+    "inlineSources": true,
+    "experimentalDecorators": true,
+    "strictPropertyInitialization": false,
+    "skipLibCheck": true,
+    "outDir": "./dist",
+    "typeRoots": [
+      "./node_modules",
+      "./node_modules/@types"
+    ],
+    "types": [
+      "node"
+    ]
+  },
+  "exclude": [
+    "node_modules",
+    "cdk.out",
+    "*.config.*"
+  ]
+}

agents/agent-sdk/vitest.config.ts

@@ -0,0 +1,40 @@
+/// <reference types="vitest" />
+/// <reference types="vite/client" />
+
+import { defineConfig } from 'vitest/config';
+import * as dotenv from 'dotenv';
+import { resolve } from 'path';
+
+export default defineConfig({
+  // モノレポ用の共通設定
+  resolve: {
+    alias: {
+      // パッケージ間の直接参照
+      '@llm-ts-example/common-core': resolve(__dirname, '../../common/core/src'),
+      '@llm-ts-example/common-backend': resolve(__dirname, '../../common/backend/src')
+    }
+  },
+  server: {
+    fs: {
+      // モノレポ内のファイルアクセスを許可
+      allow: ['..']
+    }
+  },
+  build: {
+    target: 'esnext',
+    rollupOptions: {
+      // ESModuleとして出力
+      output: {
+        format: 'es'
+      }
+    }
+  },
+  root: '.',
+  test: {
+    environment: 'node',
+    globals: true,
+    isolate: true,
+    env: dotenv.config({ path: '.env.test' }).parsed,
+    testTimeout: 30000,
+  },
+});