MCP Server with Clerk & Next.js

A minimal example of an MCP server endpoint using Next.js and Clerk for authentication.

Setup

• Run npm i to install dependencies
• Create a Clerk application and make sure you have been opted in to the OAuth beta flag (contact support@clerk.com or reach out to a contact at Clerk if you have one)
• Put your API keys in an .env.local file in the project
• Run npm run dev to start the app

Connecting to the server

To test in cursor, for example, add the following config to your mcp config file:

"mcp-clerk-next": {
  "url": "http://localhost:3000/mcp"
}

Examples of other clients coming soon!