TFT MCP Server

#!/usr/bin/env node import { Server } from "@modelcontextprotocol/sdk/server/index.js"; import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js"; import { CallToolRequestSchema, ErrorCode, ListToolsRequestSchema, McpError } from "@modelcontextprotocol/sdk/types.js"; import yargs from "yargs"; import { hideBin } from "yargs/helpers"; import { TFT_TOOLS } from "./tools/index.js"; import { handleTftMatchDetails, handleTftMatchHistory } from "./tools/match.js"; import { setArgs } from "./types.js"; import { initializePUUID } from "./utils.js"; // Parse command line arguments interface Arguments { apiKey: string; gameName: string; tagLine: string; [x: string]: unknown; } const getArgs = async (): Promise<Arguments> => { return yargs(hideBin(process.argv)) .option("apiKey", { alias: "k", type: "string", description: "Riot API Key", demandOption: true }) .option("gameName", { alias: "n", type: "string", description: "Summoner Name", demandOption: true }) .option("tagLine", { alias: "t", type: "string", description: "Name Tagline", demandOption: true }) .help() .parseAsync(); }; // Server setup const server = new Server( { name: "tft", version: "0.1.0" }, { capabilities: { tools: {} } } ); // Set up request handlers server.setRequestHandler(ListToolsRequestSchema, async () => ({ tools: TFT_TOOLS })); server.setRequestHandler(CallToolRequestSchema, async (request) => { try { switch (request.params.name) { case "tft_match_history": { return await handleTftMatchHistory(request.params.arguments); } case "tft_match_details": { return await handleTftMatchDetails(request.params.arguments); } default: throw new McpError( ErrorCode.MethodNotFound, `Unknown tool: ${request.params.name}` ); } } catch (error) { return { content: [ { type: "text", text: `Error: ${ error instanceof Error ? error.message : String(error) }` } ], isError: true }; } }); // Modify runServer to initialize args and PUUID first async function runServer() { const parsedArgs = await getArgs(); setArgs(parsedArgs); await initializePUUID(); const transport = new StdioServerTransport(); await server.connect(transport); console.error("TFT MCP Server running on stdio"); } runServer().catch((error) => { console.error("Fatal error running server:", error); process.exit(1); });