@lynq/express

Express framework adapter for lynq MCP framework.

Install

npm install @lynq/express @lynq/lynq express

Usage

import express from "express";
import { createMCPServer } from "@lynq/lynq";
import { mountLynq } from "@lynq/express";

const app = express();
const server = createMCPServer({ name: "my-server", version: "1.0.0" });

// Register tools on server...

mountLynq(app, server);
// MCP endpoint is now available at POST /mcp

app.listen(3000);

With OAuth/payment pages

mountLynq(app, server, {
  pages: {
    github: {
      clientId: process.env.GITHUB_CLIENT_ID!,
      clientSecret: process.env.GITHUB_CLIENT_SECRET!,
    },
    stripe: { secretKey: process.env.STRIPE_SECRET_KEY! },
    crypto: true,
  },
});
// Auto-registers callback routes under /lynq/

Options

| Option | Type | Default | Description | |---|---|---|---| | path | string | "/mcp" | Route path for MCP endpoint | | allowedHosts | string[] | localhost variants | DNS rebinding protection | | pages | PagesConfig | — | Enable auth/payment callback pages | | pagesPrefix | string | "/lynq" | URL prefix for pages routes |

Auto-registered routes (when pages is set)

• /lynq/auth/{github,google}/callback — OAuth callbacks
• /lynq/payment/stripe/callback — Stripe callback
• /lynq/payment/crypto — Crypto payment page (GET + POST)
• /lynq/auth/success — Auth success page
• /lynq/payment/success — Payment success page

Documentation

https://hogekai.github.io/lynq/

License

MIT