How do I connect Rails MCP Server to Claude?

Run `claude mcp add rails-mcp-server -- npx -y mcp-remote http://localhost:6029/mcp/sse` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.

Is Rails MCP Server free?

The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.

What can Rails MCP Server do?

Rails MCP Server documents 12 tools to the agent, including analyze_controller_views, analyze_environment_config, analyze_models. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.

Rails MCP Server

Unclaimed

by maquina-app

A Ruby gem 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.

Set up this server

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01 / Choose your client

02 / Before you connect

Authentication is not specified. Check the project instructions before connecting.

Install the runtime required by the project and make it available to your client.

Project instructionsEnvironment variable names (optional)

Use names from the project instructions, separated by commas. Enter names only, never secret values.

03 / Add the configuration

Source: generated from public install instructions

claude mcp add --transport stdio 'rails-mcp-server' -- 'npx' '-y' 'mcp-remote' 'http://localhost:6029/mcp/sse'

Run in your terminal after replacing any placeholders.

04 / Check it in your client

Open your client’s MCP settings and confirm the server connects and lists its tools. A copied configuration does not confirm a working connection.

Is this your MCP server?

This listing was auto-indexed from the public record. Claim it to edit the page, set compatibility and unlock growth tools. Takes under two minutes.

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Security profile

Claimed and verified servers get a weekly static scan that shows what the code can reach: external services, environment variables, shell commands, agent configuration folders, plus any dependencies with known advisories. Claim this listing to get one. How the security profile works

12 of 12 tools

Documented tools (12)

From project documentation. A server handshake does not verify each tool’s description or behavior.

analyze_controller_views

Analyze controller-view relationships with optional Prism static analysis.

analyze_environment_config

Analyze environment configurations for inconsistencies and security issues.

analyze_models

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

execute_tool

Description: Invoke internal analyzers by name.

get_file

Retrieve the content of a specific file.

get_routes

Retrieve Rails routes with optional filtering.

get_schema

Retrieve database schema information.

list_files

List files matching a pattern in a directory.

load_guide

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

project_info

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

search_tools

Description: Discover available tools by category or keyword.

switch_project

Description: Change the active Rails project. Must be called before using other tools.

Tool change history

Compared across complete checks of the same configuration. Tools were listed, not invoked. Input-schema changes are not measured here.

No complete tool checks yet.

FAQ

Questions about Rails MCP Server

How do I connect Rails MCP Server to Claude?: Run `claude mcp add rails-mcp-server -- npx -y mcp-remote http://localhost:6029/mcp/sse` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.
Is Rails MCP Server free?: The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.
What can Rails MCP Server do?: Rails MCP Server documents 12 tools to the agent, including analyze_controller_views, analyze_environment_config, analyze_models. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.