Medical Research MCP Suite

#!/usr/bin/env node // Test script to verify MCP server produces clean JSON output // This simulates what Claude Code expects from the MCP server import { spawn } from 'child_process'; import { promises as fs } from 'fs'; async function testMCPJsonOutput() { console.log('🧪 Testing MCP Server JSON Output Compliance\n'); // Start the MCP server const serverProcess = spawn('node', ['dist/index.js'], { stdio: ['pipe', 'pipe', 'pipe'], env: { ...process.env, NODE_ENV: 'production' } }); let jsonMessages = []; let nonJsonOutput = []; let validJson = true; // Collect output serverProcess.stdout.on('data', (data) => { const lines = data.toString().split('\n').filter(line => line.trim()); lines.forEach(line => { if (line.trim()) { try { const parsed = JSON.parse(line); jsonMessages.push(parsed); } catch (error) { nonJsonOutput.push(line); validJson = false; } } }); }); // Wait for server to start await new Promise(resolve => setTimeout(resolve, 2000)); // Test 1: Send initialize request console.log('📋 Test 1: Initialize MCP Server'); const initRequest = { jsonrpc: '2.0', id: 1, method: 'initialize', params: { protocolVersion: '2024-11-05', capabilities: { roots: { listChanged: false }, sampling: {} }, clientInfo: { name: 'test-client', version: '1.0.0' } } }; serverProcess.stdin.write(JSON.stringify(initRequest) + '\n'); await new Promise(resolve => setTimeout(resolve, 1000)); // Test 2: List tools console.log('📋 Test 2: List Tools'); const listToolsRequest = { jsonrpc: '2.0', id: 2, method: 'tools/list', params: {} }; serverProcess.stdin.write(JSON.stringify(listToolsRequest) + '\n'); await new Promise(resolve => setTimeout(resolve, 1000)); // Test 3: Test FDA search (previously problematic) console.log('📋 Test 3: FDA Search (Previously Problematic)'); const fdaSearchRequest = { jsonrpc: '2.0', id: 3, method: 'tools/call', params: { name: 'fda_search_drugs', arguments: { activeIngredient: 'ranibizumab' } } }; serverProcess.stdin.write(JSON.stringify(fdaSearchRequest) + '\n'); await new Promise(resolve => setTimeout(resolve, 3000)); // Test 4: Test PubMed search (previously problematic) console.log('📋 Test 4: PubMed Search (Previously Problematic)'); const pubmedSearchRequest = { jsonrpc: '2.0', id: 4, method: 'tools/call', params: { name: 'pm_search_papers', arguments: { query: 'age-related macular degeneration', maxResults: 5 } } }; serverProcess.stdin.write(JSON.stringify(pubmedSearchRequest) + '\n'); await new Promise(resolve => setTimeout(resolve, 3000)); // Close server serverProcess.kill(); // Report results console.log('\n🔍 MCP JSON Output Analysis:'); console.log(` ✅ Valid JSON messages: ${jsonMessages.length}`); console.log(` ❌ Non-JSON output lines: ${nonJsonOutput.length}`); if (validJson) { console.log('\n✅ SUCCESS: All output is valid JSON!'); console.log(' 🎉 MCP protocol compliance: PASSED'); console.log(' 🎉 Claude Code compatibility: READY'); } else { console.log('\n❌ FAILURE: Found non-JSON output:'); nonJsonOutput.forEach((line, index) => { console.log(` ${index + 1}. "${line}"`); }); } // Show sample valid JSON responses if (jsonMessages.length > 0) { console.log('\n📝 Sample Valid JSON Responses:'); jsonMessages.slice(0, 2).forEach((msg, index) => { console.log(` ${index + 1}. ${msg.method || 'response'}: ${JSON.stringify(msg).substring(0, 100)}...`); }); } return validJson; } // Run the test testMCPJsonOutput().then(success => { if (success) { console.log('\n🎉 MCP Server is ready for Claude Code!'); process.exit(0); } else { console.log('\n❌ MCP Server needs more fixes before Claude Code integration'); process.exit(1); } }).catch(error => { console.error('❌ Test failed:', error); process.exit(1); });