RunCrucible MCP

Run tests from any AI coding assistant that supports the Model Context Protocol (MCP) — Claude Code, Cursor, Windsurf, and more.

What it does

• detect_test_framework — scans your repo and identifies Jest, Vitest, pytest, Mocha automatically
• run_tests — executes your test suite and returns full output for your AI to analyze and fix

Install

npm install -g runcrucible-mcp

License key

Purchase a subscription at runcrucible.com — you'll receive a license key by email.

Configure

Claude Code / claude_desktop_config.json

{
  "mcpServers": {
    "runcrucible": {
      "command": "runcrucible-mcp",
      "env": {
        "RUNCRUCIBLE_LICENSE_KEY": "your-license-key-here",
        "RUNCRUCIBLE_VALIDATE_URL": "https://runcrucible-production.up.railway.app/validate"
      }
    }
  }
}

Cursor / .cursor/mcp.json

{
  "mcpServers": {
    "runcrucible": {
      "command": "runcrucible-mcp",
      "env": {
        "RUNCRUCIBLE_LICENSE_KEY": "your-license-key-here",
        "RUNCRUCIBLE_VALIDATE_URL": "https://runcrucible-production.up.railway.app/validate"
      }
    }
  }
}

Supported frameworks

| Framework | Detected via | |---|---| | Jest | package.json | | Vitest | package.json | | Mocha | package.json | | pytest | pyproject.toml / conftest.py |

Pricing

$19/month — cancel anytime via customer portal.

Support

[email protected]