cowsay-server MCP Server

April 6, 2025 ยท View on GitHub

A Model Context Protocol server that provides a fun cowsay interface with random responses.

This is a TypeScript-based MCP server that implements a cowsay system with multiple character modes. It demonstrates core MCP concepts by providing:

  • Tools for generating cowsay messages with random responses
  • Support for multiple character modes (cow and gal)

Features

Image

cowsay

Tools

  • say - Generate a cowsay message
    • Takes a message as a required parameter
    • Optional mode parameter to switch between characters (cow or gal)
    • Returns a fun ASCII art response with a random reply

Available Modes

  • cow - Classic cowsay character (default)
  • gal - Cute girl character with gyaru-style responses

Development

Install dependencies:

npm install

Build the server:

npm run build

For development with auto-rebuild:

npm run watch

Installation

To use with Claude Desktop, add the server config:

On MacOS: ~/Library/Application Support/Claude/claude_desktop_config.json On Windows: %APPDATA%/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "cowsay-server": {
      "command": "/path/to/cowsay-server/build/index.js"
    }
  }
}

Debugging

Since MCP servers communicate over stdio, debugging can be challenging. We recommend using the MCP Inspector, which is available as a package script:

npm run inspector

The Inspector will provide a URL to access debugging tools in your browser.