Add eslint config across the board

Author: chrisreddington

eslint.config.js

@@ -0,0 +1,31 @@
+// @ts-check
+
+import eslint from '@eslint/js';
+import tseslint from 'typescript-eslint';
+
+export default tseslint.config(
+  eslint.configs.recommended,
+  ...tseslint.configs.recommended,
+  {
+    files: ['**/*.{js,mjs,cjs,ts}'],
+    languageOptions: {
+      parserOptions: {
+        ecmaVersion: 'latest',
+        sourceType: 'module',
+      },
+    },
+    rules: {
+      // Add any global rules here
+    },
+  },
+  {
+    ignores: [
+      '**/node_modules/**',
+      '**/dist/**',
+      '**/.next/**',
+      '**/coverage/**',
+      '**/*.config.js',
+      '**/*.config.ts',
+    ],
+  }
+);

mcp-server/eslint.config.js

@@ -0,0 +1,41 @@
+// @ts-check
+
+import eslint from '@eslint/js';
+import tseslint from 'typescript-eslint';
+
+export default tseslint.config(
+  eslint.configs.recommended,
+  ...tseslint.configs.recommended,
+  {
+    files: ['**/*.{js,mjs,cjs,ts}'],
+    languageOptions: {
+      parserOptions: {
+        ecmaVersion: 'latest',
+        sourceType: 'module',
+      },
+    },
+    rules: {
+      // MCP server specific rules
+      '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
+      '@typescript-eslint/explicit-function-return-type': 'warn',
+      '@typescript-eslint/no-explicit-any': 'warn',
+      'no-console': 'off', // Console logging is often needed for MCP servers
+    },
+  },
+  {
+    files: ['**/*.test.ts', 'vitest.*.ts'],
+    rules: {
+      '@typescript-eslint/explicit-function-return-type': 'off',
+      '@typescript-eslint/no-explicit-any': 'off',
+    },
+  },
+  {
+    ignores: [
+      'node_modules/**',
+      'dist/**',
+      'coverage/**',
+      '*.config.js',
+      '*.config.ts',
+    ],
+  }
+);

mcp-server/package.json

@@ -13,16 +13,20 @@
     "test": "vitest run",
     "test:watch": "vitest",
     "test:coverage": "vitest run --coverage",
-    "test:ui": "vitest --ui"
+    "test:ui": "vitest --ui",
+    "lint": "eslint .",
+    "lint:fix": "eslint . --fix"
   },
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.17.0",
     "@turn-based-mcp/shared": "file:../shared"
   },
   "devDependencies": {
+    "@eslint/js": "^9.32.0",
     "@types/node": "^24.1.0",
     "@vitest/ui": "^3.2.4",
     "typescript": "^5.5.0",
+    "typescript-eslint": "^8.39.0",
     "vitest": "^3.2.4"
   }
 }