GAUNTLEX MCP Server: Install & Setup

Install GAUNTLEX in Claude Code

Claude Code

claude mcp add gauntlex -- uvx gauntlex-ai

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "gauntlex": {
      "command": "uvx",
      "args": [
        "gauntlex-ai"
      ]
    }
  }
}

Concurrent Builder + Breaker agents generate code and adversarial tests at once, gated in CI.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

Run: claude mcp add gauntlex -- uvx gauntlex-ai

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