Auto-generate Ruby on Rails application documentation. Codec8 reads your models, routes, controllers, and Gemfile to produce complete project and API documentation.
Rails apps follow convention over configuration, but "convention" is only useful if you know the conventions. New developers joining a Rails project still need documentation explaining the domain model, non-standard patterns, and deployment setup.
Tailored documentation features for Ruby on Rails codebases
Documents ActiveRecord models with associations, validations, scopes, and database columns
Generates API route reference from rake routes output structure with controller#action mapping
Documents Devise or custom authentication setup and which controllers require sign-in
Produces complete development setup guide — bundle install, database setup, credentials, seeds
From zero to published docs in under a minute
Paste your GitHub repository URL. Public repos work instantly — no signup required for the free README preview.
Codec8 reads your Ruby on Rails source code, dependencies, and structure, then generates README, API docs, architecture diagrams, and setup guide.
Download your documentation as Markdown files or let Codec8 open a pull request directly to your repository.
These well-known projects are perfect candidates for Codec8
Yes. For API-only Rails apps (--api flag), Codec8 focuses on endpoint documentation, serializer schemas, and authentication. For full-stack apps it also documents view templates and helpers.
Yes. Codec8 handles Rails engines and generates documentation appropriate for engine consumers — how to mount the engine, configure it, and use its public API.
Codec8 documents all Rails framework layers — jobs with their perform arguments, mailers with template variables, and ActionCable channels with their subscription events.
Paste your GitHub repo URL and get a free README preview in 60 seconds. No signup required.
Generate Ruby on Rails docs free