Postman MCP Server

What is Postman MCP Server?

A Cloudflare Worker that provides API access to Postman collections and environments via the Claude AI MCP (Model Context Protocol) interface. It enables Claude to assist with API testing, documentation, and management tasks.

How to use Postman MCP Server?

Clone the repository, install dependencies with npm install, copy .env.example to .env and add your Postman API key, then deploy with wrangler deploy. For local development, run npm run dev.

Key features of Postman MCP Server

• Retrieve all collections and environments from your Postman account
• Create new collections and environments
• Add requests to existing collections
• Run collections with optional environments and get test results
• Basic utility methods (sayHello, reverseString)

Use cases of Postman MCP Server

• Automate API testing by having Claude run collections and report results
• Assist in creating and managing Postman collections and environments
• Generate or update API documentation by adding requests via Claude

FAQ from Postman MCP Server

What operations can Claude perform using this server?

Claude can retrieve, create, and modify Postman collections and environments, add requests to collections, and run collections with optional environments to get test results.

How do I set up the Postman MCP Server?

Clone the repo, install dependencies, add your Postman API key to the .env file, and deploy to Cloudflare Workers using wrangler deploy.

What authentication is required?

A Postman API key must be stored securely in the Cloudflare Workers environment variables. The key should never be committed to version control.

Can I run a collection with a specific environment?

Yes, the run_collection method accepts an optional environmentId parameter to run a collection with that environment.

Is there a way to test the server locally?

Yes, you can run npm run dev to start the server locally using wrangler for development.