#!/usr/bin/env node
import { spawn } from 'child_process';
import { fileURLToPath } from 'url';
import { dirname, join } from 'path';
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
console.log('Starting MCP server debug...\n');
const env = {
...process.env,
METABASE_URL: process.env.METABASE_URL || 'http://localhost:3000',
METABASE_USERNAME: process.env.METABASE_USERNAME || 'your_username',
METABASE_PASSWORD: process.env.METABASE_PASSWORD || 'your_password',
METABASE_API_KEY: process.env.METABASE_API_KEY || 'your_api_key',
NODE_ENV: 'production',
LOG_LEVEL: 'error'
};
const serverPath = join(__dirname, 'src', 'mcp', 'server.js');
console.log('Server path:', serverPath);
console.log('Environment:', Object.keys(env).filter(k => k.startsWith('METABASE')).join(', '));
console.log('\n---Starting server---\n');
const proc = spawn('node', [serverPath], {
env,
stdio: ['pipe', 'pipe', 'inherit']
});
// Listen for stdout (this is where MCP communication happens)
proc.stdout.on('data', (data) => {
const text = data.toString();
console.log('MCP Response:', text);
});
// Handle errors
proc.on('error', (err) => {
console.error('Failed to start server:', err);
process.exit(1);
});
proc.on('close', (code) => {
console.log(`Server exited with code ${code}`);
process.exit(code);
});
// Send test initialization after a delay
setTimeout(() => {
const initMessage = {
jsonrpc: '2.0',
method: 'initialize',
params: {
protocolVersion: '2024-11-05',
capabilities: {},
clientInfo: {
name: 'debug-client',
version: '1.0.0'
}
},
id: 1
};
console.log('\nSending initialization request...');
proc.stdin.write(JSON.stringify(initMessage) + '\n');
}, 500);
// Send list tools request after initialization
setTimeout(() => {
const listToolsMessage = {
jsonrpc: '2.0',
method: 'tools/list',
params: {},
id: 2
};
console.log('\nSending tools/list request...');
proc.stdin.write(JSON.stringify(listToolsMessage) + '\n');
}, 1500);
// Keep process alive for a bit
setTimeout(() => {
console.log('\n---Debug session ending---');
proc.kill();
}, 5000);
