Demonstrates a basic serverless implementation of the Model Context Protocol using Netlify Functions and Express, enabling customizable URL routing and easy local development with automated deployment pipelines.
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View this demo site: https://mcp-example-express.netlify.app/
This site shows a very a basic example of developing and running serverless MCP using Netlify Functions. It includes links to a deployed serverless function and an example of accessing the function using a customized URL.
Importantly, because of how Express handles mapping routes, ensure you set the netlify.toml
redirects to the correct path. In this example we have the following to ensure /mcp catches all of the requests to this server:
[[redirects]] force = true from = "/mcp" status = 200 to = "/.netlify/functions/express-mcp-server"
Deploy your own version of this example site, by clicking the Deploy to Netlify Button below. This will automatically:
netlify dev
You can clone this entire examples repo to explore this and other examples, and to run them locally.
# 1. Clone the examples repository to your local development environment git clone git@github.com:netlify/examples # 2. Move into the project directory for this example cd examples/mcp/express-mcp # 3. Install the Netlify CLI to let you locally serve your site using Netlify's features npm i -g netlify-cli # 4. Serve your site using Netlify Dev to get local serverless functions netlify dev # 5. While the site is running locally, open a separate terminal tab to run the MCP inspector or client you desire npx @modelcontextprotocol/inspector npx mcp-remote@next http://localhost:8888/mcp
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