proxy-server.js•1.97 kB
#!/usr/bin/env node
const http = require('http');
const { spawn } = require('child_process');
const PORT = process.env.PORT || 8081;
const HOST = '0.0.0.0';
console.log(`Starting Playwright MCP server proxy on ${HOST}:${PORT}`);
// Start the actual Playwright MCP server
const playwrightProcess = spawn('node', ['cli.js', '--headless', '--browser', 'chromium', '--no-sandbox', '--port', '8082'], {
stdio: ['pipe', 'pipe', 'pipe']
});
// Create a proxy server that binds to 0.0.0.0
const proxyServer = http.createServer((req, res) => {
// Add CORS headers
res.setHeader('Access-Control-Allow-Origin', '*');
res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS');
res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization');
res.setHeader('Access-Control-Expose-Headers', 'mcp-session-id, mcp-protocol-version');
if (req.method === 'OPTIONS') {
res.writeHead(200);
res.end();
return;
}
// Forward the request to the actual server
const proxyHeaders = { ...req.headers };
proxyHeaders.host = 'localhost:8082';
const proxyReq = http.request({
hostname: 'localhost',
port: 8082,
path: req.url,
method: req.method,
headers: proxyHeaders
}, (proxyRes) => {
// Forward response headers
Object.keys(proxyRes.headers).forEach(key => {
res.setHeader(key, proxyRes.headers[key]);
});
res.writeHead(proxyRes.statusCode);
proxyRes.pipe(res);
});
req.pipe(proxyReq);
});
proxyServer.listen(PORT, HOST, () => {
console.log(`Proxy server listening on http://${HOST}:${PORT}`);
console.log(`Forwarding requests to http://localhost:8082`);
});
// Handle process cleanup
process.on('SIGTERM', () => {
console.log('Shutting down...');
playwrightProcess.kill();
proxyServer.close();
process.exit(0);
});
process.on('SIGINT', () => {
console.log('Shutting down...');
playwrightProcess.kill();
proxyServer.close();
process.exit(0);
});