Smart Prompts MCP Server

#!/usr/bin/env node /** * Enhanced main entry point for the Smart Prompts MCP server * Version 3.0.0 with improved GitHub integration and AI guidance */ import { Server } from '@modelcontextprotocol/sdk/server/index.js'; import { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js'; import { CallToolRequestSchema, ListToolsRequestSchema, ListResourcesRequestSchema, ReadResourceRequestSchema, ListPromptsRequestSchema, GetPromptRequestSchema, } from '@modelcontextprotocol/sdk/types.js'; // Import our modules import { loadConfig } from './config.js'; import { EnhancedGitHubPromptFetcher } from './github-enhanced.js'; import { EnhancedPromptCache } from './enhancedCache.js'; import { PromptResources } from './resources.js'; import { PromptTemplates } from './mcpPrompts.js'; import { EnhancedPromptTools } from './enhancedTools.js'; // Load configuration const config = loadConfig(); // Server info const serverInfo = { name: 'smart-prompts-mcp', version: '3.0.0', }; // Initialize components const githubFetcher = new EnhancedGitHubPromptFetcher(config.github); const cache = new EnhancedPromptCache(githubFetcher, config); const resources = new PromptResources(cache); const prompts = new PromptTemplates(cache); const enhancedTools = new EnhancedPromptTools(config.github, cache); // Create MCP server const server = new Server( serverInfo, { capabilities: { tools: {}, resources: {}, prompts: {}, }, } ); // Register tool handlers server.setRequestHandler(ListToolsRequestSchema, async () => { return enhancedTools.getToolDefinitions(); }); server.setRequestHandler(CallToolRequestSchema, async (request) => { return await enhancedTools.handleToolCall(request); }); // Register resource handlers server.setRequestHandler(ListResourcesRequestSchema, async () => { const resourceList = await resources.listResources(); return { resources: resourceList }; }); server.setRequestHandler(ReadResourceRequestSchema, async (request) => { const content = await resources.readResource(request.params.uri); return { contents: [ { uri: request.params.uri, mimeType: 'application/json', text: content, }, ], }; }); // Register prompt handlers server.setRequestHandler(ListPromptsRequestSchema, async () => { const promptList = await prompts.listPrompts(); return { prompts: promptList }; }); server.setRequestHandler(GetPromptRequestSchema, async (request) => { const messages = await prompts.getPrompt( request.params.name, request.params.arguments ); return { messages }; }); /** * Main server startup function */ async function main(): Promise<void> { try { // Check GitHub access const isAccessible = await githubFetcher.isAccessible(); if (!isAccessible) { console.error('⚠️ Warning: GitHub repository not accessible. Check your configuration.'); console.error(` Repository: ${config.github.owner}/${config.github.repo}`); console.error(' Prompts will be read-only without proper GitHub access.'); } // Initialize cache console.error('🔄 Initializing prompt cache...'); await cache.initialize(); // Connect to stdio transport const transport = new StdioServerTransport(); await server.connect(transport); console.error('✅ Smart Prompts MCP Server v3.0.0 running'); console.error(`📦 GitHub: ${config.github.owner}/${config.github.repo}`); console.error(`🛠️ Features: ${Object.entries(config.features) .filter(([_, enabled]) => enabled) .map(([feature]) => feature) .join(', ')}`); console.error(`📚 Use 'prompts_help' tool for guidance on using this server`); } catch (error) { const errorMessage = error instanceof Error ? error.message : 'Unknown error'; console.error('❌ Failed to start server:', errorMessage); process.exit(1); } } /** * Graceful shutdown handler */ async function shutdown(): Promise<void> { console.error('🛑 Shutting down server...'); try { await cache.cleanup(); console.error('✅ Server shutdown complete'); } catch (error) { const errorMessage = error instanceof Error ? error.message : 'Unknown error'; console.error('❌ Error during shutdown:', errorMessage); } process.exit(0); } // Handle shutdown signals process.on('SIGINT', shutdown); process.on('SIGTERM', shutdown); // Handle uncaught errors process.on('uncaughtException', (error) => { console.error('❌ Uncaught exception:', error); shutdown(); }); process.on('unhandledRejection', (reason, promise) => { console.error('❌ Unhandled rejection at:', promise, 'reason:', reason); shutdown(); }); // Start the server main().catch((error: unknown) => { const errorMessage = error instanceof Error ? error.message : 'Unknown error'; console.error('❌ Server error:', errorMessage); process.exit(1); });