Example Monad SSE-based MCP Server built using Next.js

How to add new tools

Update app/mcp.ts with your tools, prompts, and resources following the MCP TypeScript SDK documentation.

Notes for running on Vercel

• Requires a Redis attached to the project under process.env.REDIS_URL
• Make sure you have Fluid compute enabled for efficient execution
• After enabling Fluid compute, open app/sse/route.ts and adjust max duration to 800 if you using a Vercel Pro or Enterprise account
• Deploy the Next.js MCP template

Sample Client

script/test-client.mjs contains a sample client to try invocations.

node scripts/test-client.mjs http://localhost:3000

How to use the server

Go to Cursor > Settings > Cursor Settings > MCP

Paste the following in the mcp.json file

{
  "mcpServers": {
    ...
    "monad-mcp-sse": {
      "url": "[your_app_vercel_url]/sse"
    }
  }
}