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MCP with Express

Run a Model Context Protocol (MCP) server on Vercel with Express.

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Express MCP Server on Vercel

Model Context Protocol (MCP) server built with Express.js that provides weather data tools.

Clone and run locally

git clone https://github.com/vercel-labs/express-mcp
pnpm i
pnpm dev

Features

This MCP server provides weather-related tools:

  • get-alerts: Get weather alerts for a US state (requires 2-letter state code)
  • get-forecast: Get weather forecast for a location (requires latitude/longitude)

Testing

You can connect to the server using MCP Inspector or any other MCP client. Be sure to include the /mcp path in the connection URL (e.g., https://your-deployment.vercel.app/mcp).

API Endpoints

  • POST /mcp: Handles incoming messages for the MCP protocol
GitHub
Ownervercel-labs
Repositoryexpress-mcp
Use Cases
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