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Rails MCP Server

maquina-app/rails-mcp-server

A Ruby implementation of a Model Context Protocol (MCP) server for Rails projects. This server allows LLMs (Large Language Models) to interact with Rails projects through the Model Context Protocol, providing capabilities for code analysis, exploration, and development assistance.

View on GitHub101

Install

npx mcp-remote http://localhost:6029/mcp/sse

Client configuration

{
  "mcpServers": {
    "railsMcpServer": {
      "command": "npx",
      "args": [
        "mcp-remote",
        "http://localhost:6029/mcp/sse"
      ]
    }
  }
}

Environment variables

RAILS_MCP_PROJECT_PATH
GitHub stars
101
Author
@maquina-app
Category
Developer Tools, AI Chatbot
License
MIT
Updated
Oct 6, 2026

About Rails MCP Server

The Model Context Protocol (MCP) is a standardized way for AI models to interact with their environment. It defines a structured method for models to request and use tools, access resources, and maintain context during interactions.

Features

  • Manage multiple Rails projects

  • Browse project files and structures

  • View Rails routes with filtering options

  • Inspect model information and relationships (with Prism static analysis)

  • Get database schema information

  • Analyze controller-view relationships

  • Analyze environment configurations

  • Access comprehensive Rails, Turbo, Stimulus, and Kamal documentation

  • Context-efficient architecture with progressive tool discovery

  • Seamless integration with LLM clients

Tools (12)

  • switch_project

    Description: Change the active Rails project.

  • search_tools

    Description: Discover available tools by category or keyword.

  • execute_tool

    Description: Invoke internal analyzers by name.

  • project_info

    Retrieve comprehensive project information including Rails version, directory structure, and organization.

  • list_files

    List files matching a pattern in a directory.

  • get_file

    Retrieve the content of a specific file.

  • get_routes

    Retrieve Rails routes with optional filtering.

  • analyze_models

    Analyze Active Record models with associations, validations, and optional Prism static analysis.

  • get_schema

    Retrieve database schema information.

  • analyze_controller_views

    Analyze controller-view relationships with optional Prism static analysis.

  • analyze_environment_config

    Analyze environment configurations for inconsistencies and security issues.

  • load_guide

    Load documentation guides from Rails, Turbo, Stimulus, Kamal, or Custom.

Details on this page are taken from the project's README. Open README

Supported clients

Clients mentioned in this server's README:

View all
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Claude Desktop

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Anthropic's official Claude AI desktop application. Supports MCP servers to extend functionality.

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VS Code integrates MCP with GitHub Copilot through agent mode, allowing direct interaction with MCP-provided tools in your agentic coding workflow. Configure servers in Claude Desktop, workspace, or user settings, with guided MCP installation and secure handling of secrets in input variables to avoid leaking hardcoded keys.

WindowsMacOSLinuxWeb

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