#!/usr/bin/env node
/**
* Simple MCP Test Script
*
* This script tests the MCP server by sending JSON-RPC messages directly.
* Make sure the server is NOT running - this script will start it automatically.
*/
import { spawn } from 'child_process';
import { fileURLToPath } from 'url';
import { dirname, join } from 'path';
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
const serverPath = join(__dirname, 'dist', 'index.js');
console.log('🧪 MCP Server Test');
console.log('==================\n');
console.log('This script will test your MCP server.\n');
console.log('⚠️ Make sure the server is NOT running in another terminal!\n');
console.log('The test script will automatically start the server.\n');
// Spawn the server
const server = spawn('node', [serverPath], {
stdio: ['pipe', 'pipe', 'pipe'],
});
let serverOutput = '';
let serverError = '';
server.stdout.on('data', (data) => {
serverOutput += data.toString();
});
server.stderr.on('data', (data) => {
const output = data.toString();
serverError += output;
// MCP servers write to stderr for logging
if (output.includes('started and ready')) {
console.log('✅ Server started successfully\n');
runTests();
}
});
server.on('error', (error) => {
console.error('❌ Failed to start server:', error.message);
console.error('\nMake sure you have run: npm run build');
process.exit(1);
});
// Test messages to send
const tests = [
{
name: 'List Tools',
message: {
jsonrpc: '2.0',
id: 1,
method: 'tools/list',
params: {},
},
},
{
name: 'Calculator Test (6 × 7)',
message: {
jsonrpc: '2.0',
id: 2,
method: 'tools/call',
params: {
name: 'calculator',
arguments: {
operation: 'multiply',
a: 6,
b: 7,
},
},
},
},
{
name: 'System Info Test',
message: {
jsonrpc: '2.0',
id: 3,
method: 'tools/call',
params: {
name: 'system_info',
arguments: {
detail: 'basic',
},
},
},
},
];
let testIndex = 0;
let responses = {};
function runTests() {
console.log('📋 Running tests...\n');
// Send initialization message first
const initMessage = {
jsonrpc: '2.0',
id: 0,
method: 'initialize',
params: {
protocolVersion: '2024-11-05',
capabilities: {},
clientInfo: {
name: 'test-client',
version: '1.0.0',
},
},
};
server.stdin.write(JSON.stringify(initMessage) + '\n');
// Wait a bit, then send initialized
setTimeout(() => {
const initializedMessage = {
jsonrpc: '2.0',
method: 'notifications/initialized',
};
server.stdin.write(JSON.stringify(initializedMessage) + '\n');
// Start sending test messages
setTimeout(() => {
sendNextTest();
}, 100);
}, 100);
}
function sendNextTest() {
if (testIndex >= tests.length) {
// All tests sent, wait for responses and show results
setTimeout(() => {
showResults();
server.kill();
process.exit(0);
}, 1000);
return;
}
const test = tests[testIndex];
console.log(`🧪 Test ${testIndex + 1}: ${test.name}`);
server.stdin.write(JSON.stringify(test.message) + '\n');
testIndex++;
setTimeout(() => {
sendNextTest();
}, 500);
}
function showResults() {
console.log('\n📊 Test Results:');
console.log('================\n');
console.log('Server output:', serverOutput);
console.log('Server logs:', serverError);
console.log('\n✅ Basic connectivity test passed!');
console.log('\n💡 For full testing, use Claude Desktop or the TypeScript test client.');
}
// Handle server exit
server.on('exit', (code) => {
if (code !== 0 && code !== null) {
console.error(`\n❌ Server exited with code ${code}`);
process.exit(1);
}
});
// Timeout after 10 seconds
setTimeout(() => {
console.error('\n⏱️ Test timeout');
server.kill();
process.exit(1);
}, 10000);
