Postman Runner MCP Server

Executes Postman collections using Newman, enabling LLMs to run API tests and retrieve detailed results.

Local serverstdio

What is the Postman Runner MCP server?

Postman Runner MCP server is a locally run integration for AI assistants that speak the Model Context Protocol. Executes Postman collections using Newman, enabling LLMs to run API tests and retrieve detailed results.

What you get

An MCP (Model Context Protocol) server that enables running Postman collections using Newman. This server allows LLMs to execute API tests and get detailed results through a standardized interface.

  • Run Postman collections using Newman
  • Support for environment files
  • Support for global variables
  • Detailed test results including:
  • Overall success/failure status
  • Test summary (total, passed, failed)

What the assistant can call

Once Postman Runner is connected, these are the calls the assistant has available:

  • Configuration — Add the server to your Claude desktop configuration file at ~/Library/Application Support/Claude/claude_desktop_config.json:
  • Building — The Building tool exposed by this server

Setting it up

Installation goes through your MCP client rather than a global install: point it at @smithery/cli on npm and it is fetched when the client starts. The copy-paste blocks for Claude Desktop, Claude Code and Cursor are further down this page.

Choosing this one

This sits in the developer tooling group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. Postman Runner's toolset — Configuration, Building — is a fair guide to whether it matches your workflow. It is maintained by Gechmind; worth a glance at recent repository activity before you build anything load-bearing on it.

This entry was verified against Postman Runner's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.

Before you rely on it

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • MCP clients confirm each tool call by default. Leave that on until you have watched what the postman runner mcp server does with a few real requests.

Available tools

ToolWhat it does
ConfigurationAdd the server to your Claude desktop configuration file at ~/Library/Application Support/Claude/claude_desktop_config.json:
BuildingThe Building tool exposed by this server.

How to install the Postman Runner MCP server

{
  "mcpServers": {
    "postman-runner": {
      "command": "node",
      "args": ["/absolute/path/to/mcp-postman/build/index.js"]
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Example prompts to try

  • Use Postman Runner to Configuration.
  • Use Postman Runner to Building.

Frequently asked questions

Postman Runner acts as an MCP (Model Context Protocol) server, providing a standardized interface for LLMs to trigger API test execution and receive structured results.