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Rubber Duck MCP Server

@francoisjosephlacroix

Repository

About Rubber Duck MCP Server

A rubber duck MCP server for your LLM coding agent

#rubber-duck#debugging#llm-assistant

Basic information

Category

AI & Agents

Runtime

python

Transports

stdio

Publisher

francoisjosephlacroix

Config

No standard config provided

This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.

Repository

Tools

No tools detected

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Overview

What is Rubber Duck MCP Server?

Rubber Duck MCP Server is a Model Context Protocol (MCP) server that provides a rubber duck debugging tool for LLMs. It allows LLMs to explain their code to a silent “rubber duck” without expecting any response, helping organize thoughts and debug more effectively.

How to use Rubber Duck MCP Server?

Install with Python 3.10+, uv, and fastmcp, then run fastmcp install src/server.py to make the server available to Claude. For Cursor, add the generated JSON to <project root>/.cursor/mcp.json.

Key features of Rubber Duck MCP Server

  • Silent rubber duck debugging companion
  • Interactive squeaky duck that responds with “Squeak!”
  • Two tools: rubber_duck (silent) and squeak (interactive)
  • Built with FastMCP for easy MCP integration
  • Works with Claude Desktop and Cursor

Use cases of Rubber Duck MCP Server

  • Debugging complex code issues
  • Walking through implementation logic
  • Organizing thoughts during development
  • Adding fun to debugging with the squeaky duck feature

FAQ from Rubber Duck MCP Server

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Comments

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