rails-mcp-server

Name: rails-mcp-server
Author: maquina-app

bymaquina-app· 1 MCP server

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$git clone https://github.com/maquina-app/rails-mcp-server

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Install rails-mcp-server by running `git clone https://github.com/maquina-app/rails-mcp-server`, then use it for the current task and follow its documentation at https://github.com/maquina-app/rails-mcp-server.

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README.md

1	# Rails MCP Server
2
3	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.
4
5	## What is MCP?
6
7	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.
8
9	This Rails MCP Server implements the MCP specification to give AI models access to Rails projects for code analysis, exploration, and assistance.
10
11	## Features
12
13	- Manage multiple Rails projects
14	- Browse project files and structures
15	- View Rails routes with filtering options
16	- Inspect model information and relationships (with Prism static analysis)
17	- Get database schema information
18	- Analyze controller-view relationships
19	- Analyze environment configurations
20	- Execute sandboxed Ruby code for custom queries
21	- Access comprehensive Rails, Turbo, Stimulus, and Kamal documentation
22	- Context-efficient architecture with progressive tool discovery
23	- Seamless integration with LLM clients
24
25	## Installation
26
27	Install the gem:
28
29	```bash
30	gem install rails-mcp-server
31	```
32
33	After installation, the following executables will be available in your PATH:
34
35	- `rails-mcp-server` - The MCP server itself
36	- `rails-mcp-config` - Interactive configuration tool (recommended)
37	- `rails-mcp-setup-claude` - Legacy Claude Desktop setup script
38	- `rails-mcp-server-download-resources` - Legacy resource download script
39
40	## Configuration
41
42	### Using the Configuration Tool (Recommended)
43
44	The easiest way to configure the Rails MCP Server is using the interactive configuration tool:
45
46	```bash
47	rails-mcp-config
48	```
49
50	This provides a user-friendly TUI (Terminal User Interface) for:
51
52	- Managing Projects: Add, edit, remove, and validate Rails projects
53	- Downloading Guides: Download Rails, Turbo, Stimulus, and Kamal documentation
54	- Importing Custom Guides: Add your own markdown documentation
55	- Claude Desktop Integration: Automatically configure Claude Desktop
56
57	The tool uses [Gum](https://github.com/charmbracelet/gum) for an enhanced experience if installed, but works with a basic terminal fallback.
58
59	```bash
60	# Install Gum for best experience (optional)
61	brew install gum # macOS
62	sudo apt install gum # Debian/Ubuntu
63	yay -S gum # Arch Linux
64	```
65
66	### Manual Configuration
67
68	The Rails MCP Server follows the XDG Base Directory Specification for configuration files:
69
70	- On macOS: `$XDG_CONFIG_HOME/rails-mcp` or `~/.config/rails-mcp` if XDG_CONFIG_HOME is not set
71	- On Windows: `%APPDATA%\rails-mcp`
72
73	The server will automatically create these directories and an empty `projects.yml` file the first time it runs.
74
75	To configure your projects manually:
76
77	1. Edit the `projects.yml` file in your config directory to include your Rails projects:
78
79	```yaml
80	store: "~/projects/store"
81	blog: "~/projects/rails-blog"
82	ecommerce: "/full/path/to/ecommerce-app"
83	```
84
85	Each key in the YAML file is a project name (which will be used with the `switch_project` tool), and each value is the path to the project directory.
86
87	## Usage
88
89	### Starting the server
90
91	The Rails MCP Server can run in two modes:
92
93	1. STDIO mode (default): Communicates over standard input/output for direct integration with clients like Claude Desktop.
94	2. HTTP mode: Runs as an HTTP server with JSON-RPC and Server-Sent Events (SSE) endpoints.
95
96	```bash
97	# Start in default STDIO mode
98	rails-mcp-server
99
100	# Start in HTTP mode on the default port (6029)
101	rails-mcp-server --mode http
102
103	# Start in HTTP mode on a custom port
104	rails-mcp-server --mode http -p 8080
105
106	# Start in HTTP mode binding to all interfaces (for local network access)
107	rails-mcp-server --mode http --bind-all
108	```
109
110	When running in HTTP mode, the server provides two endpoints:
111
112	- JSON-RPC endpoint: `http://localhost:<por

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Install rails-mcp-server by running `git clone https://github.com/maquina-app/rails-mcp-server`, then use it for the current task and follow its documentation at https://github.com/maquina-app/rails-mcp-server.

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