rubber-duck

About rubber-duck

Use rubber-duck with your agent

claude mcp add rubber-duck -- npx -y mcp-rubber-duck

{
  "mcpServers": {
    "rubber-duck": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-rubber-duck"
      ]
    }
  }
}

Frequently asked questions

What is rubber-duck?

rubber-duck is an MCP (Model Context Protocol) server by nesquikm in the Autonomous Agents category. Bridge to multiple LLMs and CLI agents: councils, debates, voting, and more

How do I connect rubber-duck to Claude, Cursor, or another MCP client?

Install rubber-duck from its npm package (mcp-rubber-duck) and register it under "mcpServers" in your client's MCP configuration — for example claude_desktop_config.json or Cursor's mcp.json — then restart the client.

Is rubber-duck open source?

Yes — the source code is public at github.com/nesquikm/mcp-rubber-duck, with 167 GitHub stars.

Can AI agents pay to use rubber-duck?

Not yet through Loomal — rubber-duck is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.