NCP - Natural Context Provider

#!/usr/bin/env node /** * NCP MCP-Only Entry Point * * This is a slim entry point for .mcpb bundles that runs ONLY as an MCP server. * It does NOT include CLI functionality to minimize bundle size and improve performance. * * For CLI tools (ncp add, ncp find, etc.), install via npm: * npm install -g @portel/ncp * * Configuration: * - Reads from ~/.ncp/profiles/all.json (or specified profile) * - Manually edit the JSON file to add/remove MCPs * - No CLI commands needed */ // Using official SDK-based server implementation import { MCPServer } from './server/mcp-server.js'; import { setOverrideWorkingDirectory } from './utils/ncp-paths.js'; // Global error handlers to catch uncaught exceptions and log to stderr // This ensures errors appear in Claude Desktop logs process.on('uncaughtException', (error) => { console.error('[NCP FATAL] Uncaught exception:', error); console.error('[NCP FATAL] Stack:', error.stack); process.exit(1); }); process.on('unhandledRejection', (reason, promise) => { console.error('[NCP FATAL] Unhandled promise rejection:', reason); console.error('[NCP FATAL] Promise:', promise); process.exit(1); }); // Wrap entire startup in async function (async () => { try { // Configuration priority: ENV VAR > command-line arg > default // Working directory: NCP_WORKING_DIR env var or --working-dir arg const workingDir = process.env.NCP_WORKING_DIR || (() => { const workingDirIndex = process.argv.indexOf('--working-dir'); return workingDirIndex !== -1 && workingDirIndex + 1 < process.argv.length ? process.argv[workingDirIndex + 1] : null; })(); if (workingDir) { setOverrideWorkingDirectory(workingDir); } // Profile: NCP_PROFILE env var or --profile arg or 'all' default const profileName = process.env.NCP_PROFILE || (() => { const profileIndex = process.argv.indexOf('--profile'); return profileIndex !== -1 ? (process.argv[profileIndex + 1] || 'all') : 'all'; })(); // Debug logging for integration tests if (process.env.NCP_DEBUG === 'true') { console.error(`[DEBUG] MCP-only mode`); console.error(`[DEBUG] Working directory: ${workingDir || 'default'}`); console.error(`[DEBUG] Profile: ${profileName}`); console.error(`[DEBUG] process.argv: ${process.argv.join(' ')}`); } // Start MCP server and await it to keep process alive const server = new MCPServer(profileName); await server.run(); } catch (error: any) { console.error('[NCP FATAL] Failed to initialize server:', error); console.error('[NCP FATAL] Stack:', error.stack); process.exit(1); } })();