Ouroboros

local MCP server

Installation

Terminal

claude mcp add ouroboros -- uvx ouroboros-ai

Run in your project folder. Add --scope user to use it everywhere.

Add to claude_desktop_config.json or .cursor/mcp.json.

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

Pins an acceptance spec; the verify command and expected output never enter the success contract.

Ouroboros is a local MCP server distributed as the pypi package ouroboros-ai.

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

Run: codex mcp add ouroboros -- uvx ouroboros-ai

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