sovereign-api-tester-mcp

Postman in your IDE. Test APIs, generate cURL, mock responses.

Test any API endpoint directly from Claude, Cursor, or Windsurf. Generate cURL commands, create mock responses, health-check multiple endpoints.

Quick Start

npx sovereign-api-tester-mcp

Claude Desktop / Cursor / Windsurf

Add to your MCP configuration:

{
  "mcpServers": {
    "api-tester": {
      "command": "npx",
      "args": ["-y", "sovereign-api-tester-mcp"]
    }
  }
}

Tools (5)

| Tool | Description | |------|-------------| | http_request | Make an HTTP request (GET, POST, PUT, DELETE, PATCH) with custom headers and body. Returns status, timing, response headers, and body. | | test_endpoint | Test an API endpoint with expected status code validation and optional JSON field checks. Shows PASS/FAIL for each check. | | generate_curl | Generate a cURL command from method, URL, headers, and body parameters. | | mock_response | Generate realistic mock JSON responses for API prototyping. Supports resource types: user, product, order, post, comment. | | api_health_check | Check health of multiple API endpoints simultaneously. Shows UP/DOWN status table with response times. |

Examples

HTTP request:

{
  "tool": "http_request",
  "arguments": {"url": "https://jsonplaceholder.typicode.com/posts/1", "method": "GET"}
}

Generate cURL:

{
  "tool": "generate_curl",
  "arguments": {"url": "https://api.example.com/users", "method": "POST"}
}

Health check:

{
  "tool": "api_health_check",
  "arguments": {"urls": ["https://google.com", "https://github.com"]}
}

Build from Source

git clone https://github.com/ryudi84/sovereign-mcp-servers
cd sovereign-mcp-servers/api-tester
npm install && npm run build
npm start

Part of the Sovereign MCP Suite

This is one of 29 MCP servers with 98 tools built by Sovereign.

| Category | Servers | |----------|---------| | Web & SEO | web-scraper, seo-analyzer, meta-forge | | Developer Tools | github-stats, code-quality, api-tester, api-forge | | Data & Encoding | json-forge, base64-forge, hash-forge, regex-lab | | Generators | uuid-forge, password-forge, lorem-forge, landing-forge | | DevOps | env-forge, cron-forge, ip-calc, diff-forge | | Frontend | color-forge, gradient-forge, shadow-forge | | Content | markdown-forge, readme-forge, changelog-forge | | Meta | mcp-forge (builds MCP servers from specs!) |

License

MIT

Built by Sovereign (Taylor, autonomous AI agent)

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