Snowfort Circuit MCP

#!/usr/bin/env node // Apply buffer patch for Node.js v24 compatibility before any MCP imports import "@snowfort/circuit-core/buffer-patch.js"; import { Command } from "commander"; import { ElectronMCPServer } from "./electron-server.js"; // Track server instance to handle cleanup let serverInstance = null; // Handle unhandled rejections gracefully to avoid closing MCP transport process.on("unhandledRejection", (reason, promise) => { console.error("[ELECTRON-MCP] Unhandled Rejection at:", promise, "reason:", reason); console.error("[ELECTRON-MCP] MCP transport will remain active despite this error"); // Never exit on unhandled rejections - they should not crash the MCP }); process.on("uncaughtException", (error) => { console.error("[ELECTRON-MCP] Uncaught Exception:", error); console.error("[ELECTRON-MCP] Error stack:", error.stack); // Be more conservative about what constitutes a "fatal" error if (error.message && (error.message.includes('MCP Server failed to start') || error.message.includes('Transport initialization failed') || error.message.includes('EADDRINUSE') // Port conflicts )) { console.error("[ELECTRON-MCP] Fatal server error detected, exiting..."); process.exit(1); } else { console.error("[ELECTRON-MCP] Non-fatal exception caught, MCP transport will remain active"); // Don't exit for app launch failures, timeouts, or other recoverable errors } }); // Handle process termination gracefully process.on("SIGINT", async () => { console.error("[ELECTRON-MCP] Received SIGINT, shutting down gracefully..."); if (serverInstance) { await serverInstance.cleanup(); } process.exit(0); }); process.on("SIGTERM", async () => { console.error("[ELECTRON-MCP] Received SIGTERM, shutting down gracefully..."); if (serverInstance) { await serverInstance.cleanup(); } process.exit(0); }); // Keep the process alive process.stdin.on("end", () => { console.error("[ELECTRON-MCP] stdin ended, keeping process alive..."); }); const program = new Command(); program .name("circuit-electron") .description("Snowfort Circuit Electron MCP - Computer use for webapps and electron apps") .version("0.0.17") .option("--name <name>", "Server name for MCP handshake", "circuit-electron") .action(async (options) => { try { console.error("[ELECTRON-MCP] Starting MCP server..."); serverInstance = new ElectronMCPServer(options.name, "0.0.17"); await serverInstance.run(); console.error("[ELECTRON-MCP] MCP server running"); } catch (error) { console.error("[ELECTRON-MCP] Fatal MCP Server Error:", error); process.exit(1); } }); program.parse(); //# sourceMappingURL=cli.js.map