React Native Debugger MCP

#!/usr/bin/env node import pkg from '../package.json'; import { Server } from '@modelcontextprotocol/sdk/server/index.js'; import { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js'; import { CallToolRequestSchema, ListToolsRequestSchema, } from '@modelcontextprotocol/sdk/types.js'; import { createTools } from './tools'; // Initialize server const server = new Server( { name: pkg.name, version: pkg.version, }, { capabilities: { tools: {}, }, }, ); const tools = createTools(); // Register tools server.setRequestHandler(ListToolsRequestSchema, async () => ({ tools: tools.map(({ handler, ...tool }) => tool), })); // Register tool handlers server.setRequestHandler(CallToolRequestSchema, async (request) => { try { const { name, arguments: args } = request.params; const tool = tools.find((t) => t.name === name); if (!tool) { throw new Error(`Unknown tool: ${name}`); } return tool.handler(args); } catch (error) { return { content: [ { type: 'text', text: `Error: ${error instanceof Error ? error.message : String(error)}`, }, ], isError: true, }; } }); // Start server async function runServer() { const transport = new StdioServerTransport(); await server.connect(transport); console.error(`${pkg.name} running on stdio`); } runServer().catch((error) => { console.error('Fatal error running server:', error); process.exit(1); });