How to add Postman MCP Server to Claude Desktop

Manage Postman collections, environments, and APIs through the Postman API. Paste the config into ~/Library/Application Support/Claude/claude_desktop_config.json and restart Claude Desktop.

Last updated June 14, 2026 · 155★ · stdio · apikey

Claude Desktop config for Postman MCP Server

npx -y @smithery/cli install postman-api-server --client claude

{
  "mcpServers": {
    "postman-mcp-server": {
      "command": "node",
      "args": [
        "/path/to/postman-api-server/build/index.js"
      ],
      "env": {
        "POSTMAN_API_KEY": "CHANGEME"
      }
    }
  }
}

Setup steps

1Open Claude Desktop → Settings → Developer → Edit Config (this opens ~/Library/Application Support/Claude/claude_desktop_config.json).
2Paste the Postman MCP Server config below under the top-level "mcpServers" key.
3Fill in any placeholder secrets (API keys, paths) in the snippet.
4Save the file, then fully quit and reopen Claude Desktop.
5Open a chat and confirm Postman MCP Server's tools appear under the 🔌 tools menu.

Before you start

Node.js installed
A Postman API key set as POSTMAN_API_KEY
Clone and build the repository with pnpm (pnpm install, pnpm run build)

What Postman MCP Server can do in Claude Desktop

Collections

Create, retrieve, update, and delete Postman collections; manage folders, requests, and responses within collections; fork, merge, and pull changes for version control; and add/manage comments.

Environments

Create and retrieve environments for different setups, with full CRUD support for creating, updating, and deleting environments.

APIs

Create, retrieve, update, and delete APIs; manage API schemas with multi-file support; add and manage tags; and add/manage comments on APIs.

Authentication & Authorization

API key authentication, role-based access control, and workspace-level permissions management.

Workspaces

Manage Postman workspaces and workspace-specific permissions.

Mocks

Manage Postman mock servers.

Monitors

Manage Postman monitors for scheduled collection runs.

Users

Retrieve user and account information.

Security

Requires a Postman API key (POSTMAN_API_KEY). The key grants access to all Postman resources you have permissions for. Never commit API keys to version control. Generate a key at https://go.postman.co/settings/me/api-keys.

Postman MCP Server + Claude Desktop FAQ

Where is the Claude Desktop config file?

Claude Desktop reads MCP servers from ~/Library/Application Support/Claude/claude_desktop_config.json. Paste the Postman MCP Server config there under the "mcpServers" key and restart the client.

Is Postman MCP Server safe to use with Claude Desktop?

How do I authenticate?

Generate a Postman API key at https://go.postman.co/settings/me/api-keys and provide it via the POSTMAN_API_KEY environment variable in your MCP client config.

Is this an official Postman product?

No. It is a community project by delano, built on Postman's official OpenAPI specification. It is part of the broader MCP initiative and licensed under MIT.

How do I install it?

You can install it for Claude Desktop automatically via Smithery (npx -y @smithery/cli install postman-api-server --client claude), or clone the repo and build it with pnpm, then point your MCP client at build/index.js with node.

View repo Full Postman MCP Server page