mcp-rb

mcp-rb

This Claude Code plugin helps you build MCP servers using the model-context-protocol-rb Ruby gem.

Usage

This plugin provides skills for creating MCP handler classes and configuring MCP servers. You can invoke each skill directly or reference it conversationally.

Tools

Skill - /mcp-rb:tools

This skill provides instructions for creating MCP tool handlers, including the define block DSL, response types, content helpers, annotations, cancellation/progress, error handling, and testing patterns.

/mcp-rb:tools

Conversationally:

Use the tools skill to create a tool that fetches weather data for a given location

Prompts

Skill - /mcp-rb:prompts

This skill provides instructions for creating MCP prompt handlers, including the define block DSL, arguments, the message history DSL, completions, and testing patterns.

/mcp-rb:prompts

Conversationally:

Use the prompts skill to create a prompt that generates a code review conversation

Resources

Skill - /mcp-rb:resources

This skill provides instructions for creating MCP resource and resource template handlers, including text/binary responses, annotations, URI templates, completions, and testing patterns.

/mcp-rb:resources

Conversationally:

Use the resources skill to create a resource that serves the application configuration as JSON

Configuration

Skill - /mcp-rb:configuration

This skill provides instructions for configuring MCP servers, including STDIO and streamable HTTP transports, Redis configuration, registry setup, server logging, and Rails integration.

/mcp-rb:configuration

Conversationally:

Use the configuration skill to set up a streamable HTTP MCP server for my Rails app