GPT-5 MCP Server

import fs from "node:fs"; import path from "node:path"; import { fileURLToPath } from "node:url"; import { parse } from "dotenv"; // Silently load .env without emitting any logs to STDOUT/STDERR (() => { try { const candidates: string[] = []; // 1) Explicit ENV_FILE path (absolute or relative to current process) if (process.env.ENV_FILE && process.env.ENV_FILE.trim() !== "") { candidates.push(path.resolve(process.cwd(), process.env.ENV_FILE)); } // 2) CWD/.env candidates.push(path.resolve(process.cwd(), ".env")); // 3) dist/.. (project root)/.env fallback try { const fileDir = path.dirname(fileURLToPath(import.meta.url)); candidates.push(path.resolve(fileDir, "..", ".env")); } catch { // ignore } for (const p of candidates) { try { if (fs.existsSync(p)) { const file = fs.readFileSync(p); const parsed = parse(file); for (const [k, v] of Object.entries(parsed)) { if (process.env[k] === undefined) process.env[k] = v; } break; // stop after first found } } catch { // keep trying other candidates } } } catch { // ignore .env load errors silently } })(); export type ReasoningEffort = "minimal" | "medium" | "high"; export type Verbosity = "low" | "medium" | "high"; export type SearchContextSize = "low" | "medium" | "high"; export interface AppConfig { apiKey: string | undefined; model: string; maxRetries: number; timeoutMs: number; reasoningEffort?: ReasoningEffort; defaultVerbosity?: Verbosity; webSearchDefaultEnabled: boolean; webSearchContextSize?: SearchContextSize; } function toBoolean(value: string | undefined, fallback: boolean): boolean { if (value === undefined) return fallback; return ["1", "true", "yes", "on"].includes(value.toLowerCase()); } function toNumber(value: string | undefined, fallback: number): number { const n = Number(value); return Number.isFinite(n) ? n : fallback; } function normalizeReasoningEffort(value: string | undefined): ReasoningEffort { const v = (value ?? "medium").toLowerCase(); if (v === "low" || v === "minimal") return "minimal"; if (v === "high") return "high"; return "medium"; } export const config: AppConfig = { apiKey: process.env.OPENAI_API_KEY, model: process.env.OPENAI_MODEL || "gpt-5", maxRetries: toNumber(process.env.OPENAI_MAX_RETRIES, 3), timeoutMs: toNumber(process.env.OPENAI_TIMEOUT_MS, 60_000), reasoningEffort: normalizeReasoningEffort(process.env.REASONING_EFFORT), defaultVerbosity: (process.env.DEFAULT_VERBOSITY as Verbosity | undefined) ?? "medium", webSearchDefaultEnabled: toBoolean(process.env.WEB_SEARCH_DEFAULT_ENABLED, false), webSearchContextSize: (process.env.WEB_SEARCH_CONTEXT_SIZE as SearchContextSize | undefined) ?? "medium", };