#!/usr/bin/env node
import type { McpServer } from "@modelcontextprotocol/sdk/server/mcp"
import { startHTTPServer } from "./server/http"
import { startSSEServer } from "./server/sse"
import { startStdioServer } from "./server/stdio"
import logger from "./utils/logger"
const args = process.argv.slice(2)
// Transport mode flags
const httpMode = args.includes("--http") || args.includes("-h")
const sseMode = args.includes("--sse") || args.includes("-s")
// Default to stdio mode (for Claude Desktop)
function printUsage() {
console.log(`
Universal Crypto MCP Server
Usage: universal-crypto-mcp [options]
Options:
--stdio, (default) Run in stdio mode (for Claude Desktop)
--sse, -s Run in SSE mode (legacy HTTP)
--http, -h Run in HTTP mode (for ChatGPT Developer Mode)
Environment Variables:
PORT Server port (default: 3001)
PRIVATE_KEY Wallet private key (for write operations)
LOG_LEVEL Logging level (DEBUG, INFO, WARN, ERROR)
Examples:
# Claude Desktop (stdio)
universal-crypto-mcp
# ChatGPT Developer Mode (HTTP)
universal-crypto-mcp --http
# Legacy SSE mode
universal-crypto-mcp --sse
`)
}
async function main() {
if (args.includes("--help")) {
printUsage()
process.exit(0)
}
let server: McpServer | { sessions: Map<string, unknown> } | undefined
if (httpMode) {
logger.info("Starting in HTTP mode (ChatGPT Developer Mode)")
server = await startHTTPServer()
} else if (sseMode) {
logger.info("Starting in SSE mode (legacy)")
server = await startSSEServer()
} else {
// Default: stdio mode for Claude Desktop
server = await startStdioServer()
}
if (!server) {
logger.error("Failed to start server")
process.exit(1)
}
const handleShutdown = async () => {
if ("close" in server && typeof server.close === "function") {
await server.close()
}
process.exit(0)
}
// Handle process termination
process.on("SIGINT", handleShutdown)
process.on("SIGTERM", handleShutdown)
}
main()
