#!/usr/bin/env node
/**
* TypeScript wrapper for the Python Simplenote MCP Server
* This allows mcp-evals to work with the Python server by providing a TypeScript entry point
*/
import { spawn } from 'child_process';
import path from 'path';
import { fileURLToPath } from 'url';
// Get current directory
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
// Path to the Python server
const PYTHON_SERVER_PATH = path.join(__dirname, 'simplenote_mcp_server.py');
async function main() {
try {
// Check if Python server exists
const fs = await import('fs');
if (!fs.existsSync(PYTHON_SERVER_PATH)) {
console.error(`Python server not found at: ${PYTHON_SERVER_PATH}`);
process.exit(1);
}
// Start the Python MCP server as a child process
const pythonProcess = spawn('python3', [PYTHON_SERVER_PATH], {
stdio: ['pipe', 'pipe', 'inherit'], // stdin, stdout, stderr
env: {
...process.env,
// Ensure MCP server runs in the right mode
LOG_LEVEL: 'INFO'
}
});
// Handle Python process errors
pythonProcess.on('error', (error) => {
console.error('Failed to start Python server:', error);
process.exit(1);
});
pythonProcess.on('exit', (code, signal) => {
console.error(`Python server exited with code ${code}, signal ${signal}`);
process.exit(code || 1);
});
// Forward stdin to Python server
process.stdin.pipe(pythonProcess.stdin);
// Forward Python server stdout to our stdout
pythonProcess.stdout.pipe(process.stdout);
// Handle process termination
const cleanup = () => {
if (!pythonProcess.killed) {
pythonProcess.kill('SIGTERM');
setTimeout(() => {
if (!pythonProcess.killed) {
pythonProcess.kill('SIGKILL');
}
}, 5000);
}
};
process.on('SIGINT', cleanup);
process.on('SIGTERM', cleanup);
process.on('exit', cleanup);
// Keep the wrapper alive
await new Promise((resolve, reject) => {
pythonProcess.on('exit', resolve);
pythonProcess.on('error', reject);
});
} catch (error) {
console.error('Error in MCP server wrapper:', error);
process.exit(1);
}
}
// Start the wrapper
main().catch((error) => {
console.error('Unhandled error:', error);
process.exit(1);
});
