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Cowsay

A whimsical MCP server that brings the classic cowsay utility to LLMs, allowing them to generate ASCII art speech and thought bubbles using over 9 character variants like Tux, dragons, and elephants.

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Updated
Oct 19, 2025
Validated
Jan 11, 2026

cowsay-mcp

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Cowsay MCP Server, providing ASCII art cow capabilities for LLMs. This implementation allows language models to generate fun ASCII art cows with custom messages.

🛠️ Tools

  • cowsay: Generate ASCII art with a cow saying your message
  • cowthink: Generate ASCII art with a cow thinking your message
  • list_cows: List all available cow characters

📦 Installation

Installing via Smithery

To install cowsay-mcp for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install @mrseanchow/cowsay-mcp --client claude

Manual Installation

npm install -g cowsay-mcp

Using npx

npx -y cowsay-mcp

🚀 Running on Cursor

Add this to your mcp.json file:

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

🌊 Running on Windsurf

Add this to your ./codeium/windsurf/model_config.json file:

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

🎨 Available Cow Characters

The server provides a wide variety of cow characters, including but not limited to:

  • default: The classic cow
  • small: A smaller version of the default cow
  • tux: A penguin character
  • moose: A moose character
  • sheep: A sheep character
  • dragon: A dragon character
  • elephant: An elephant character
  • skeleton: A skeleton character
  • stimpy: A Stimpy character

And many more! Use the list_cows tool to see all available characters.

📝 Example Usage

cowsay Tool

{
  "name": "cowsay",
  "parameters": {
    "message": "Hello from LLM!",
    "cow": "tux"
  }
}

cowthink Tool

{
  "name": "cowthink",
  "parameters": {
    "message": "What should I say next?",
    "cow": "moose"
  }
}

list_cows Tool

{
  "name": "list_cows",
  "parameters": {}
}

📄 License

MIT License - see LICENSE file for details.

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