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mcp_on_ruby
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mcp_on_ruby

Active·★ 97·MIT·Updated 2026-06-05

MCP on Ruby is a gem that transforms Rails applications into AI-accessible interfaces using the Model Context Protocol. It allows developers to define callable tools and expose data resources, enabling AI models to interact with and automate actions within Rails apps securely and efficiently.

#Rails#AI Integration#Model Context Protocol#API Gateway#Tooling#Resource Management#JSON-RPC
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Guides
#Server-Side Events
$ Install
$ bundle install && rails generate mcp_on_ruby:install
↗ Visit site★ GitHub
01

Features

01Production-ready features including authentication, rate limiting, and robust error handling.
02Seamless Rails integration with generators, autoloading, middleware, and Railtie support.
03A powerful Tools System for defining callable functions with JSON Schema validation.
04A Resources System for exposing application data via URI templating.
05Built-in security measures such as DNS rebinding protection, CORS, and token authentication.
02

Compatibility

Ruby
Runtime
Verified via docs
Rails
Framework
Verified via docs
03

Quick start

1
$ bundle install
2
$ rails generate mcp_on_ruby:install
04

Use cases

↳Transforming an existing Rails application into an AI-accessible interface.
↳Integrating Rails backend functionality with various AI clients, such as Claude Desktop.
↳Registering Rails tools and resources with central MCP registries for discovery and management.
↳Enabling AI models to execute specific functions or retrieve data programmatically from a Rails application.
05

Alternatives

⚡Top VS:
VSb2-mcp★45→VSfigma-mcp-rust★71→VSMCP35★45→

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nagstler /
mcp_on_ruby
↗

💎 A Ruby implementation of the Model Context Protocol

97MIT
Last commit4mo ago
StatusActive
CategoryAPI Integration
Links
Documentation↗Discussion↗Issues↗Releases↗
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