LolByte MCP Server

// mcpEndpoints.ts import axios from "axios"; import NodeCache from "node-cache"; import Bottleneck from "bottleneck"; const cache = new NodeCache({ stdTTL: 300 }); const limiter = new Bottleneck({ minTime: 100 }); const RIOT_API_KEY = process.env.RIOT_API_KEY; const REGION = "na1"; // --- Generic Riot API fetcher with caching --- async function fetchRiot<T>(url: string): Promise<T> { const cached = cache.get<T>(url); if (cached) return cached; const res = await limiter.schedule(() => axios.get<T>(url, { headers: { "X-Riot-Token": RIOT_API_KEY } }), ); cache.set(url, res.data); return res.data; } // --- Endpoints --- export async function getSummoner(name: string): Promise<any> { const [gameName, tagLine] = name.split("#"); if (!gameName || !tagLine) throw new Error("Use format GameName#TagLine"); const url = `https://americas.api.riotgames.com/riot/account/v1/accounts/by-riot-id/${encodeURIComponent( gameName, )}/${encodeURIComponent(tagLine)}`; return fetchRiot(url); } export async function getLeagueEntries(puuid: string): Promise<any[]> { const url = `https://${REGION}.api.riotgames.com/lol/league/v4/entries/by-puuid/${puuid}`; return fetchRiot(url); } export async function getTftLeagueEntries(puuid: string): Promise<any> { const url = `https://${REGION}.api.riotgames.com/tft/league/v1/by-puuid/${puuid}`; return fetchRiot(url); } export async function getRecentMatches( puuid: string, limit = 5, ): Promise<string[]> { const url = `https://americas.api.riotgames.com/lol/match/v5/matches/by-puuid/${puuid}/ids?start=0&count=${limit}`; return fetchRiot(url); } export async function getTftRecentMatches( puuid: string, limit = 5, ): Promise<any> { const url = `https://americas.api.riotgames.com/tft/match/v1/matches/by-puuid/${puuid}/ids?start=0&count=${limit}`; return fetchRiot(url); } export async function getMatchDetails(matchId: string): Promise<any> { const url = `https://americas.api.riotgames.com/lol/match/v5/matches/${matchId}`; return fetchRiot(url); } export async function getTftMatchDetails(matchId: string): Promise<any> { const url = `https://americas.api.riotgames.com/tft/match/v1/matches/${matchId}`; return fetchRiot(url); } // --- Full context helpers for MCP tool --- export async function getFullContext(name: string, matchLimit = 5) { const summoner = await getSummoner(name); const puuid = summoner.puuid; const leagueEntries = await getLeagueEntries(puuid); const recentMatchIds = await getRecentMatches(puuid, matchLimit); const recentMatches = await Promise.all( recentMatchIds.map((id) => getMatchDetails(id)), ); return { summoner, leagueEntries, recentMatches }; } export async function getTftFullContext(name: string, matchLimit = 5) { const summoner = await getSummoner(name); const puuid = summoner.puuid; const leagueEntries = await getTftLeagueEntries(puuid); const recentMatchIds = await getTftRecentMatches(puuid, matchLimit); const recentMatches = await Promise.all( recentMatchIds.map((id: string) => getTftMatchDetails(id)), ); return { summoner, leagueEntries, recentMatches }; }