#!/usr/bin/env node
/**
* Standard MCP Method Test Client
*
* This client tests standard MCP method names based on reference implementation patterns
* and logs detailed information about requests and responses.
*/
import { spawn } from 'child_process';
import path from 'path';
import { fileURLToPath } from 'url';
// Get current file path and directory in ES modules
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
// Path to the server script
const serverPath = path.join(__dirname, 'dist', 'index.js');
// Spawn the server process with debug logging enabled
const serverProcess = spawn('node', [serverPath], {
stdio: ['pipe', 'pipe', 'pipe'],
env: { ...process.env, DEBUG: 'true' }
});
// Set up event handlers for the server process
serverProcess.stdout.on('data', (data) => {
try {
// Try to parse as JSON
const response = JSON.parse(data.toString());
console.log('\nš¢ Server response:', JSON.stringify(response, null, 2));
// Check for method not found errors
if (response.error && response.error.message && response.error.message.includes('Method not found')) {
console.log('ā Method not found error detected');
} else if (response.result) {
console.log('ā
Successful response received');
}
} catch (error) {
// If not valid JSON, just log as text
console.log('\nšµ Server output:', data.toString());
}
});
serverProcess.stderr.on('data', (data) => {
console.log('\nš Server log:', data.toString());
});
serverProcess.on('error', (error) => {
console.error('\nš“ Error spawning server:', error);
});
serverProcess.on('close', (code) => {
console.log(`\nš£ Server process exited with code ${code}`);
});
// Function to send a JSON-RPC request to the server
function sendRequest(method, params = {}) {
const request = {
jsonrpc: '2.0',
id: Date.now().toString(),
method,
params
};
console.log('\nš” Sending request:', JSON.stringify(request, null, 2));
serverProcess.stdin.write(JSON.stringify(request) + '\n');
}
// Wait for server to start up
setTimeout(() => {
console.log('\nš Testing standard MCP method names based on reference implementation...');
// Standard MCP method names based on reference implementation pattern
const standardMethods = [
// Standard MCP method patterns
'/mcp/tools/list',
'/mcp/tools/call',
'/mcp/resources/list',
'/mcp/resources/read',
// Schema-based method names
'ListToolsRequest',
'CallToolRequest',
'ListResourcesRequest',
'ReadResourceRequest',
// Direct schema object names
'ListToolsRequestSchema',
'CallToolRequestSchema',
'ListResourcesRequestSchema',
'ReadResourceRequestSchema',
// Previously tested formats
'list_tools',
'call_tool'
];
// Send requests with different method names at intervals
let index = 0;
const sendNextRequest = () => {
if (index < standardMethods.length) {
const method = standardMethods[index];
console.log(`\nš Testing method name: ${method} (${index + 1}/${standardMethods.length})`);
sendRequest(method);
index++;
setTimeout(sendNextRequest, 1500); // Wait 1.5 seconds between requests
} else {
console.log('\nā
Finished testing standard method formats');
// After testing standard methods, try specific tool calls
setTimeout(() => {
console.log('\nš Testing tool calls with most likely method names...');
// Try /mcp/tools/call format
console.log('\nš Testing tool call with /mcp/tools/call');
sendRequest('/mcp/tools/call', {
name: 'create_task',
arguments: {
title: 'Test Task',
description: 'This is a test task'
}
});
// Wait and try CallToolRequest format
setTimeout(() => {
console.log('\nš Testing tool call with CallToolRequest');
sendRequest('CallToolRequest', {
name: 'create_task',
arguments: {
title: 'Test Task',
description: 'This is a test task'
}
});
// Wait and try call_tool format
setTimeout(() => {
console.log('\nš Testing tool call with call_tool');
sendRequest('call_tool', {
name: 'create_task',
arguments: {
title: 'Test Task',
description: 'This is a test task'
}
});
// Final cleanup
setTimeout(() => {
console.log('\nš Testing complete, shutting down...');
serverProcess.kill();
}, 2000);
}, 1500);
}, 1500);
}, 1500);
}
};
sendNextRequest();
}, 2000); // Wait 2 seconds for server to start
