test-mcp-connection.ts•5.17 kB
#!/usr/bin/env node
/**
* Test script for Plugwise MCP Server
*
* This script:
* 1. Spawns the MCP server as a child process
* 2. Connects to it via stdio using the MCP SDK client
* 3. Displays the server description
* 4. Lists all available tools
*/
import { Client } from '@modelcontextprotocol/sdk/client/index.js';
import { StdioClientTransport } from '@modelcontextprotocol/sdk/client/stdio.js';
async function testMcpConnection() {
console.log('🚀 Starting Plugwise MCP Server test...\n');
// Create stdio transport - this will spawn the server process
console.log('📡 Creating MCP client transport...');
const transport = new StdioClientTransport({
command: 'node',
args: ['dist/index.js'],
});
// Create MCP client
const client = new Client({
name: 'test-client',
version: '1.0.0',
}, {
capabilities: {}
});
try {
// Connect to the server
console.log('🔌 Connecting to MCP server...');
await client.connect(transport);
console.log('✅ Connected successfully!\n');
// Get server information
const serverInfo = client.getServerVersion();
console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
console.log('📋 SERVER INFORMATION');
console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
console.log(`Name: ${serverInfo?.name || 'N/A'}`);
console.log(`Version: ${serverInfo?.version || 'N/A'}`);
console.log(`\nDescription:`);
const description = serverInfo?.description ? String(serverInfo.description) : 'N/A';
console.log(wrapText(description, 80));
console.log('\n');
// List all available tools
console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
console.log('🔧 AVAILABLE TOOLS');
console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
const toolsResponse = await client.listTools();
if (toolsResponse.tools && toolsResponse.tools.length > 0) {
console.log(`\nFound ${toolsResponse.tools.length} tools:\n`);
toolsResponse.tools.forEach((tool, index) => {
console.log(`${index + 1}. ${tool.name}`);
console.log(` ${wrapText(tool.description || 'No description', 75, ' ')}`);
if (tool.inputSchema && typeof tool.inputSchema === 'object') {
const schema = tool.inputSchema as any;
if (schema.properties) {
const props = Object.keys(schema.properties);
const required = schema.required || [];
console.log(` Parameters: ${props.join(', ')}`);
if (required.length > 0) {
console.log(` Required: ${required.join(', ')}`);
}
}
}
console.log('');
});
} else {
console.log('No tools available.');
}
console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n');
console.log('✨ Test completed successfully!');
} catch (error) {
console.error('❌ Error during test:', error);
throw error;
} finally {
// Clean up
console.log('\n🧹 Cleaning up...');
await client.close();
console.log('✅ Cleanup complete');
}
}
/**
* Wrap text to a specified width while preserving intentional line breaks
*/
function wrapText(text: string, width: number, indent: string = ''): string {
// Split by newlines to preserve intentional breaks
const paragraphs = text.split('\n');
const wrappedParagraphs: string[] = [];
for (const paragraph of paragraphs) {
if (paragraph.trim() === '') {
// Preserve empty lines
wrappedParagraphs.push('');
continue;
}
const words = paragraph.trim().split(' ');
const lines: string[] = [];
let currentLine = indent;
for (const word of words) {
if (currentLine.length + word.length + 1 <= width) {
currentLine += (currentLine === indent ? '' : ' ') + word;
} else {
lines.push(currentLine);
currentLine = indent + word;
}
}
if (currentLine.length > indent.length) {
lines.push(currentLine);
}
wrappedParagraphs.push(lines.join('\n'));
}
return wrappedParagraphs.join('\n');
}
// Run the test
testMcpConnection().catch((error) => {
console.error('Fatal error:', error);
process.exit(1);
});