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REST-to-Postman MCP Server

@runninghare

Repository

Basic information

Category

Other

Transports

stdio

Author

runninghare

About REST-to-Postman MCP Server

Rest To Postman Collection MCP Server

REST-to-Postman MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "rest-to-postman": {
      "command": "npx",
      "args": [
        "-y",
        "@smithery/cli",
        "install",
        "@runninghare/rest-to-postman-mcp",
        "--client",
        "claude"
      ]
    }
  }
}

REST-to-Postman MCP Server tools

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Overview

What is REST-to-Postman MCP?

REST-to-Postman MCP is a Model Context Protocol (MCP) server that converts REST API code (e.g., NestJS controllers, FastAPI/Flask endpoints) into Postman collections and environments. It is designed for developers who want to automatically sync their REST API endpoints and environment configurations with Postman.

How to use REST-to-Postman MCP?

Install via Smithery with npx -y @smithery/cli install @runninghare/rest-to-postman-mcp --client claude or run directly with npx -y rest-to-postman@latest --postman-api-key your_api_key --postman-workspace-id your_workspace_id. The server exposes two tools: rest_to_postman_env (for environment variables) and rest_to_postman_collection (for API endpoints). Integrate with Claude Desktop, Cursor, Windsurf, or Roo Cline Editor.

Key features of REST-to-Postman MCP

  • Converts REST API code to Postman collections automatically.
  • Syncs environment variables with Postman environments.
  • Supports Bearer token and other authentication methods.
  • Intelligent merging of new endpoints with existing collections.
  • Handles sensitive environment variables automatically.
  • Supports both stdio and SSE transport modes.

Use cases of REST-to-Postman MCP

  • Generate a Postman collection from a NestJS TypeScript controller.
  • Sync API environment variables (e.g., base URL, tokens) into Postman environments.
  • Update an existing Postman collection when new API endpoints are added.
  • Keep Postman collections in sync with a FastAPI or Flask backend.
  • Use in Cursor to create Postman collections directly from code prompts.

Frequently asked questions

1

What prerequisites are needed to run REST-to-Postman MCP?

Bun v1.2.2 or later, a Postman API Key, and a Postman Workspace ID are required.

2

What transport modes does REST-to-Postman MCP support?

It supports both stdio (default) and SSE transport modes. Use `--sse` flag to enable SSE mode.

3

What tools does REST-to-Postman MCP provide?

Two tools: `rest_to_postman_env` for creating/updating Postman environments and `rest_to_postman_collection` for creating/updating Postman collections.

4

How do I provide Postman credentials to REST-to-Postman MCP?

Pass them as command-line arguments (`--postman-api-key` and `--postman-workspace-id`) or set environment variables `POSTMAN_API_KEY` and

Comments

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