Files
n8n-mcp/dist/mcp/index.js
2025-12-05 12:01:31 +01:00

219 lines
9.9 KiB
JavaScript

#!/usr/bin/env node
"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
const server_1 = require("./server");
const logger_1 = require("../utils/logger");
const config_manager_1 = require("../telemetry/config-manager");
const early_error_logger_1 = require("../telemetry/early-error-logger");
const startup_checkpoints_1 = require("../telemetry/startup-checkpoints");
const fs_1 = require("fs");
process.on('uncaughtException', (error) => {
if (process.env.MCP_MODE !== 'stdio') {
console.error('Uncaught Exception:', error);
}
logger_1.logger.error('Uncaught Exception:', error);
process.exit(1);
});
process.on('unhandledRejection', (reason, promise) => {
if (process.env.MCP_MODE !== 'stdio') {
console.error('Unhandled Rejection at:', promise, 'reason:', reason);
}
logger_1.logger.error('Unhandled Rejection:', reason);
process.exit(1);
});
function isContainerEnvironment() {
const dockerEnv = (process.env.IS_DOCKER || '').toLowerCase();
const containerEnv = (process.env.IS_CONTAINER || '').toLowerCase();
if (['true', '1', 'yes'].includes(dockerEnv)) {
return true;
}
if (['true', '1', 'yes'].includes(containerEnv)) {
return true;
}
try {
return (0, fs_1.existsSync)('/.dockerenv') || (0, fs_1.existsSync)('/run/.containerenv');
}
catch (error) {
logger_1.logger.debug('Container detection filesystem check failed:', error);
return false;
}
}
async function main() {
const startTime = Date.now();
const earlyLogger = early_error_logger_1.EarlyErrorLogger.getInstance();
const checkpoints = [];
try {
earlyLogger.logCheckpoint(startup_checkpoints_1.STARTUP_CHECKPOINTS.PROCESS_STARTED);
checkpoints.push(startup_checkpoints_1.STARTUP_CHECKPOINTS.PROCESS_STARTED);
const args = process.argv.slice(2);
if (args.length > 0 && args[0] === 'telemetry') {
const telemetryConfig = config_manager_1.TelemetryConfigManager.getInstance();
const action = args[1];
switch (action) {
case 'enable':
telemetryConfig.enable();
process.exit(0);
break;
case 'disable':
telemetryConfig.disable();
process.exit(0);
break;
case 'status':
console.log(telemetryConfig.getStatus());
process.exit(0);
break;
default:
console.log(`
Usage: n8n-mcp telemetry [command]
Commands:
enable Enable anonymous telemetry
disable Disable anonymous telemetry
status Show current telemetry status
Learn more: https://github.com/czlonkowski/n8n-mcp/blob/main/PRIVACY.md
`);
process.exit(args[1] ? 1 : 0);
}
}
const mode = process.env.MCP_MODE || 'stdio';
earlyLogger.logCheckpoint(startup_checkpoints_1.STARTUP_CHECKPOINTS.TELEMETRY_INITIALIZING);
checkpoints.push(startup_checkpoints_1.STARTUP_CHECKPOINTS.TELEMETRY_INITIALIZING);
earlyLogger.logCheckpoint(startup_checkpoints_1.STARTUP_CHECKPOINTS.TELEMETRY_READY);
checkpoints.push(startup_checkpoints_1.STARTUP_CHECKPOINTS.TELEMETRY_READY);
try {
if (mode === 'http') {
console.error(`Starting n8n Documentation MCP Server in ${mode} mode...`);
console.error('Current directory:', process.cwd());
console.error('Node version:', process.version);
}
earlyLogger.logCheckpoint(startup_checkpoints_1.STARTUP_CHECKPOINTS.MCP_HANDSHAKE_STARTING);
checkpoints.push(startup_checkpoints_1.STARTUP_CHECKPOINTS.MCP_HANDSHAKE_STARTING);
if (mode === 'http') {
if (process.env.USE_FIXED_HTTP === 'true') {
const { startFixedHTTPServer } = await Promise.resolve().then(() => __importStar(require('../http-server')));
await startFixedHTTPServer();
}
else {
const { SingleSessionHTTPServer } = await Promise.resolve().then(() => __importStar(require('../http-server-single-session')));
const server = new SingleSessionHTTPServer();
const shutdown = async () => {
await server.shutdown();
process.exit(0);
};
process.on('SIGTERM', shutdown);
process.on('SIGINT', shutdown);
await server.start();
}
}
else {
const server = new server_1.N8NDocumentationMCPServer(undefined, earlyLogger);
let isShuttingDown = false;
const shutdown = async (signal = 'UNKNOWN') => {
if (isShuttingDown)
return;
isShuttingDown = true;
try {
logger_1.logger.info(`Shutdown initiated by: ${signal}`);
await server.shutdown();
if (process.stdin && !process.stdin.destroyed) {
process.stdin.pause();
process.stdin.destroy();
}
setTimeout(() => {
logger_1.logger.warn('Shutdown timeout exceeded, forcing exit');
process.exit(0);
}, 1000).unref();
}
catch (error) {
logger_1.logger.error('Error during shutdown:', error);
process.exit(1);
}
};
process.on('SIGTERM', () => shutdown('SIGTERM'));
process.on('SIGINT', () => shutdown('SIGINT'));
process.on('SIGHUP', () => shutdown('SIGHUP'));
const isContainer = isContainerEnvironment();
if (!isContainer && process.stdin.readable && !process.stdin.destroyed) {
try {
process.stdin.on('end', () => shutdown('STDIN_END'));
process.stdin.on('close', () => shutdown('STDIN_CLOSE'));
}
catch (error) {
logger_1.logger.error('Failed to register stdin handlers, using signal handlers only:', error);
}
}
await server.run();
}
earlyLogger.logCheckpoint(startup_checkpoints_1.STARTUP_CHECKPOINTS.MCP_HANDSHAKE_COMPLETE);
checkpoints.push(startup_checkpoints_1.STARTUP_CHECKPOINTS.MCP_HANDSHAKE_COMPLETE);
earlyLogger.logCheckpoint(startup_checkpoints_1.STARTUP_CHECKPOINTS.SERVER_READY);
checkpoints.push(startup_checkpoints_1.STARTUP_CHECKPOINTS.SERVER_READY);
const startupDuration = Date.now() - startTime;
earlyLogger.logStartupSuccess(checkpoints, startupDuration);
logger_1.logger.info(`Server startup completed in ${startupDuration}ms (${checkpoints.length} checkpoints passed)`);
}
catch (error) {
const failedCheckpoint = (0, startup_checkpoints_1.findFailedCheckpoint)(checkpoints);
earlyLogger.logStartupError(failedCheckpoint, error);
if (mode !== 'stdio') {
console.error('Failed to start MCP server:', error);
logger_1.logger.error('Failed to start MCP server', error);
if (error instanceof Error && error.message.includes('nodes.db not found')) {
console.error('\nTo fix this issue:');
console.error('1. cd to the n8n-mcp directory');
console.error('2. Run: npm run build');
console.error('3. Run: npm run rebuild');
}
else if (error instanceof Error && error.message.includes('NODE_MODULE_VERSION')) {
console.error('\nTo fix this Node.js version mismatch:');
console.error('1. cd to the n8n-mcp directory');
console.error('2. Run: npm rebuild better-sqlite3');
console.error('3. If that doesn\'t work, try: rm -rf node_modules && npm install');
}
}
process.exit(1);
}
}
catch (outerError) {
logger_1.logger.error('Critical startup error:', outerError);
process.exit(1);
}
}
if (require.main === module) {
main().catch(console.error);
}
//# sourceMappingURL=index.js.map