rails-ai-context

Active·★ 165·MIT·Updated 2026-10-21

rails-ai-context auto-introspects your Rails app and provides context to AI assistants via MCP, saving tokens and reducing discovery overhead. It generates context files for multiple AI tools and offers 11 MCP tools with smart detail levels.

#ai#claude#copilot#cursor#developer-tools#introspection#mcp#mcp-servers

Features

01Auto-introspection of entire Rails app (schema, models, routes, controllers, etc.)

0211 MCP tools with smart detail levels (summary, standard, full)

03Generates context files for Claude, Cursor, OpenCode, Windsurf, and GitHub Copilot

04Token savings up to 37% (measured benchmark)

05Works without a database by parsing db/schema.rb

Compatibility

Rails full-stack (ERB + Hotwire)

Full-stack Rails

Verified via docs

Rails + Inertia.js (React/Vue)

Inertia.js

Verified via docs

Rails API + React/Next.js SPA

API + SPA

Verified via docs

Rails API + mobile app

API + Mobile

Verified via docs

Rails engine (mountable gem)

Engine

Verified via docs

Quick start

$ bundle add rails-ai-context

$ rails generate rails_ai_context:install

$ rails ai:context

Use cases

↳Adding features to existing Rails apps with AI assistants

↳Rapid onboarding of AI tools to a Rails codebase

↳Reducing token consumption in AI-assisted development

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