Nexus MCP Server

import { existsSync, mkdirSync, readFileSync, writeFileSync } from "fs"; import { homedir } from "os"; import { join } from "path"; export interface NexusConfig { apiKey?: string; baseUrl: string; orgId?: string; } const CONFIG_DIR = join(homedir(), ".nexus-mcp"); const CONFIG_FILE = join(CONFIG_DIR, "config.json"); const DEFAULT_CONFIG: NexusConfig = { baseUrl: "https://nexus.app", // Update with actual Nexus URL }; export function ensureConfigDir(): void { if (!existsSync(CONFIG_DIR)) { mkdirSync(CONFIG_DIR, { recursive: true }); } } export function loadConfig(): NexusConfig { ensureConfigDir(); if (!existsSync(CONFIG_FILE)) { return { ...DEFAULT_CONFIG }; } try { const data = readFileSync(CONFIG_FILE, "utf-8"); return { ...DEFAULT_CONFIG, ...JSON.parse(data) }; } catch { return { ...DEFAULT_CONFIG }; } } export function saveConfig(config: Partial<NexusConfig>): void { ensureConfigDir(); const current = loadConfig(); const updated = { ...current, ...config }; writeFileSync(CONFIG_FILE, JSON.stringify(updated, null, 2)); } export function getApiKey(): string | undefined { // Check environment variable first if (process.env.NEXUS_API_KEY) { return process.env.NEXUS_API_KEY; } // Then check config file return loadConfig().apiKey; } export function getBaseUrl(): string { return process.env.NEXUS_API_URL || loadConfig().baseUrl; } export function isAuthenticated(): boolean { return !!getApiKey(); }