#!/usr/bin/env node
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import { TouchDesignerServer } from "./server/touchDesignerServer.js";
// Note: Environment variables should be set by the MCP Bundle runtime or CLI arguments
const DEFAULT_HOST = "http://127.0.0.1";
const DEFAULT_PORT = 9981;
/**
* Parse command line arguments
*/
export function parseArgs(args?: string[]) {
const argsToProcess = args || process.argv.slice(2);
const parsed = {
host: DEFAULT_HOST,
port: DEFAULT_PORT,
};
for (let i = 0; i < argsToProcess.length; i++) {
const arg = argsToProcess[i];
if (arg.startsWith("--host=")) {
parsed.host = arg.split("=")[1];
} else if (arg.startsWith("--port=")) {
parsed.port = Number.parseInt(arg.split("=")[1], 10);
}
}
return parsed;
}
/**
* Determine if the server should run in stdio mode
*/
export function isStdioMode(nodeEnv?: string, argv?: string[]): boolean {
const env = nodeEnv ?? process.env.NODE_ENV;
const args = argv ?? process.argv;
return env === "cli" || args.includes("--stdio");
}
/**
* Start TouchDesigner MCP server
*/
export async function startServer(params?: {
nodeEnv?: string;
argv?: string[];
}): Promise<void> {
try {
const isStdioModeFlag = isStdioMode(params?.nodeEnv, params?.argv);
if (!isStdioModeFlag) {
throw new Error(
"Sorry, this server is not yet available in the browser. Please use the CLI mode.",
);
}
// Parse command line arguments and set environment variables
const args = parseArgs(params?.argv);
process.env.TD_WEB_SERVER_HOST = args.host;
process.env.TD_WEB_SERVER_PORT = args.port.toString();
const server = new TouchDesignerServer();
const transport = new StdioServerTransport();
const result = await server.connect(transport);
if (!result.success) {
throw new Error(`Failed to connect: ${result.error.message}`);
}
} catch (error) {
const errorMessage = error instanceof Error ? error.message : String(error);
throw new Error(`Failed to initialize server: ${errorMessage}`);
}
}
// Start server if this file is executed directly
startServer({
argv: process.argv,
nodeEnv: process.env.NODE_ENV,
}).catch((error) => {
console.error("Failed to start server:", error);
if (process.env.NODE_ENV === "test") return;
process.exit(1);
});
