Firestore MCP Server

#!/usr/bin/env node import fs from 'fs'; import path from 'path'; import { execSync } from 'child_process'; import os from 'os'; const CONFIG_DIR = path.join(os.homedir(), 'Library', 'Application Support', 'Claude'); const CONFIG_FILE = path.join(CONFIG_DIR, 'claude_desktop_config.json'); function setupClaudeDesktop() { console.log('Setting up Firestore MCP for Claude Desktop...\n'); // Check if config directory exists if (!fs.existsSync(CONFIG_DIR)) { console.log(`Creating config directory: ${CONFIG_DIR}`); fs.mkdirSync(CONFIG_DIR, { recursive: true }); } // Read existing config or create new one let config = { mcpServers: {} }; if (fs.existsSync(CONFIG_FILE)) { console.log('Reading existing Claude Desktop config...'); config = JSON.parse(fs.readFileSync(CONFIG_FILE, 'utf8')); } // Get the path to this package const packagePath = path.resolve(process.cwd()); const distPath = path.join(packagePath, 'dist', 'index.js'); // Check if built if (!fs.existsSync(distPath)) { console.log('Building Firestore MCP...'); execSync('pnpm build', { cwd: packagePath, stdio: 'inherit' }); } // Prompt for configuration console.log('\nConfiguring Firestore MCP:'); console.log('1. Using environment variables (recommended)'); console.log('2. Using hardcoded values'); const readline = require('readline').createInterface({ input: process.stdin, output: process.stdout }); readline.question('\nChoose option (1 or 2): ', (choice) => { const firestoreConfig = { command: 'node', args: [distPath], env: {} }; if (choice === '2') { readline.question('Enter Firestore Project ID: ', (projectId) => { firestoreConfig.env.FIRESTORE_PROJECT_ID = projectId; readline.question('Enter path to service account JSON (optional): ', (credPath) => { if (credPath) { firestoreConfig.env.GOOGLE_APPLICATION_CREDENTIALS = credPath; } completeSetup(config, firestoreConfig); readline.close(); }); }); } else { console.log('\nUsing environment variables.'); console.log('Make sure to set these in your shell:'); console.log(' export FIRESTORE_PROJECT_ID=your-project-id'); console.log(' export GOOGLE_APPLICATION_CREDENTIALS=path/to/credentials.json\n'); completeSetup(config, firestoreConfig); readline.close(); } }); } function completeSetup(config, firestoreConfig) { // Add permission configuration const permissionPath = path.join(process.cwd(), 'permissions.json'); if (fs.existsSync(permissionPath)) { console.log('Found permissions.json, adding to configuration...'); firestoreConfig.args.push('--config', permissionPath); } else { console.log('\nNo permissions.json found. Creating default configuration...'); const defaultPermissions = { collections: [ { collectionId: "users", operations: ["read", "write", "query"] }, { collectionId: "posts", operations: ["read", "query"] } ], defaultAllow: false }; fs.writeFileSync(permissionPath, JSON.stringify(defaultPermissions, null, 2)); firestoreConfig.args.push('--config', permissionPath); } // Add to config config.mcpServers = config.mcpServers || {}; config.mcpServers.firestore = firestoreConfig; // Write config fs.writeFileSync(CONFIG_FILE, JSON.stringify(config, null, 2)); console.log('\n✅ Setup complete!'); console.log(`Configuration written to: ${CONFIG_FILE}`); console.log('\nTo use in Claude Desktop:'); console.log('1. Restart Claude Desktop'); console.log('2. Look for "firestore" in the MCP tools menu'); console.log('\nTo modify permissions, edit: permissions.json'); } // Run setup setupClaudeDesktop();