AGENTS.md Tracker › languages › Ruby

Ruby repositories

189 of 1,922 scanned repositories (9.8 %) are Ruby; 34 (18.0 %) have AGENTS.md. Data as of 2026-11-02T21:29:38Z. Source: public GitHub, presence checks only; stats CC BY 4.0, cite as "AGENTS.md Tracker, agentsmd.formachines.ai".

Sorted alphabetically by owner/name — not a ranking.

Repository	`AGENTS.md`	`CLAUDE.md`	`.cursorrules`	`.cursor/rules/`	`copilot-instructions.md`	`llms.txt`	`GEMINI.md`	`.windsurfrules`
aasm/aasm	no	no	no	no	no	no	no	no
activeadmin/activeadmin	no	no	no	no	yes	no	no	no
activemerchant/active_merchant	no	no	no	no	no	no	no	no
activerecord-hackery/ransack	no	no	no	no	no	no	no	no
alexreisner/geocoder	no	no	no	no	no	no	no	no
ankane/ahoy	no	no	no	no	no	no	no	no
ankane/blazer	no	no	no	no	no	no	no	no
ankane/chartkick	no	no	no	no	no	no	no	no
ankane/pghero	no	no	no	no	no	no	no	no
ankane/searchkick	no	no	no	no	no	no	no	no
ankane/strong_migrations	no	no	no	no	no	no	no	no
antiwork/gumroad	yes	no	no	no	yes	no	no	no
asciidoctor/asciidoctor	no	no	no	no	no	no	no	no
athityakumar/colorls	no	no	no	no	no	no	no	no
awesome-print/awesome_print	no	no	no	no	no	no	no	no
backup/backup	no	no	no	no	no	no	no	no
basecamp/fizzy	yes	no	no	no	no	no	no	no
basecamp/kamal	no	no	no	no	no	no	no	no
basecamp/once-campfire	no	no	no	no	no	no	no	no
bayandin/awesome-awesomeness	no	no	no	no	no	no	no	no
bblimke/webmock	no	no	no	no	no	no	no	no
BetterErrors/better_errors	no	no	no	no	no	no	no	no
binarylogic/authlogic	no	no	no	no	no	no	no	no
bkeepers/dotenv	no	no	no	no	no	no	no	no
blackcandy-org/blackcandy	no	no	no	no	no	no	no	no
busyloop/lolcat	no	no	no	no	no	no	no	no
capistrano/capistrano	no	no	no	no	no	no	no	no
carrierwaveuploader/carrierwave	no	no	no	no	no	no	no	no
chatwoot/chatwoot	yes	yes	no	no	no	no	no	no
chef/chef	no	no	no	no	yes	no	no	no
chyingp/nodejs-learning-guide	no	no	no	no	no	no	no	no
citation-style-language/styles	no	no	no	no	no	no	no	no
CocoaPods/CocoaPods	no	no	no	no	no	no	no	no
community/community	no	no	no	no	no	no	no	no
coorasse/cancancan	no	no	no	no	no	no	no	no
crmne/ruby_llm	yes	yes	no	no	yes	no	no	no
ctran/annotate_models	no	no	no	no	no	no	no	no
cucumber/cucumber-ruby	no	no	no	no	no	no	no	no
danger/danger	no	no	no	no	no	no	no	no
ddnexus/pagy	no	no	no	no	no	no	no	no
ddollar/foreman	no	no	no	no	no	no	no	no
DeathKing/Learning-SICP	no	no	no	no	no	no	no	no
dependabot/dependabot-core	no	no	no	no	yes	no	no	no
diaspora/diaspora	no	no	no	no	no	no	no	no
discourse/discourse	yes	yes	no	yes	no	no	yes	no
docusealco/docuseal	no	no	no	no	no	no	no	no
doorkeeper-gem/doorkeeper	yes	no	no	yes	no	no	no	no
drapergem/draper	no	no	no	no	no	no	no	no
errbit/errbit	no	no	no	no	no	no	no	no
eventmachine/eventmachine	no	no	no	no	no	no	no	no
faker-ruby/faker	no	no	no	no	no	no	no	no
fastlane/fastlane	yes	no	no	no	no	no	no	no
felixonmars/dnsmasq-china-list	no	no	no	no	no	no	no	no
flippercloud/flipper	no	yes	no	no	no	no	no	no
fluent/fluentd	yes	no	no	no	no	no	no	no
flyerhzm/bullet	no	no	no	no	no	no	no	no
flyerhzm/rails_best_practices	no	no	no	no	no	no	no	no
fog/fog	no	no	no	no	no	no	no	no
forem/forem	yes	yes	yes	no	yes	no	no	yes
formtastic/formtastic	no	no	no	no	no	no	no	no
freeCodeCamp/devdocs	no	no	no	no	no	no	no	no
freeCodeCamp/how-to-contribute-to-open-source	no	no	no	no	no	no	no	no
Freika/dawarich	yes	yes	no	no	no	no	no	no
github-changelog-generator/github-changelog-generator	no	no	no	no	no	no	no	no
github-linguist/linguist	yes	no	no	no	no	no	no	no
github/explore	no	no	no	no	no	no	no	no
github/gemoji	no	no	no	no	no	no	no	no
github/markup	no	no	no	no	no	no	no	no
github/scientist	no	no	no	no	no	no	no	no
gitlabhq/gitlabhq	yes	yes	no	no	no	no	no	no
gollum/gollum	no	no	no	no	no	no	no	no
greatghoul/remote-working	no	no	no	no	yes	no	no	no
grosser/parallel	no	no	no	no	no	no	no	no
guard/guard	no	no	no	no	no	no	no	no
Hackplayers/evil-winrm	no	no	no	no	no	no	no	no
hahwul/WebHackersWeapons	yes	no	no	no	no	no	no	no
hanami/hanami	no	no	no	no	no	no	no	no
hartator/wayback-machine-downloader	no	no	no	no	no	no	no	no
hashicorp/vagrant	no	no	no	no	no	no	no	no
heartcombo/devise	no	no	no	no	no	no	no	no
heartcombo/simple_form	no	no	no	no	no	no	no	no
Homebrew/brew	yes	yes	no	no	no	no	no	no
Homebrew/homebrew-cask	yes	yes	no	no	no	no	no	no
Homebrew/homebrew-core	yes	yes	no	no	no	no	no	no
huginn/huginn	no	no	no	no	no	no	no	no
imathis/octopress	no	no	no	no	no	no	no	no
instructure/canvas-lms	yes	yes	no	no	no	no	no	no
javan/whenever	no	no	no	no	no	no	no	no
jekyll/jekyll	no	no	no	no	no	no	no	no
jeremyevans/sequel	no	no	no	no	no	no	no	no
jnunemaker/httparty	no	no	no	no	no	no	no	no
jordansissel/fpm	no	no	no	no	no	no	no	no
jruby/jruby	no	no	no	no	no	no	no	no
kaminari/kaminari	no	no	no	no	no	no	no	no
kilimchoi/engineering-blogs	no	no	no	no	no	no	no	no
kkuchta/css-only-chat	no	no	no	no	no	no	no	no
kneath/kss	no	no	no	no	no	no	no	no
lewagon/setup	no	no	no	no	no	no	no	no
lobsters/lobsters	yes	yes	no	no	no	no	no	no
lolcommits/lolcommits	no	no	no	no	no	no	no	no
lostisland/faraday	no	no	yes	no	yes	no	no	no
mame/quine-relay	no	no	no	no	no	no	no	no
mastodon/mastodon	no	no	no	no	no	no	no	no
matteocrippa/awesome-swift	no	no	no	no	yes	no	no	no
mbleigh/acts-as-taggable-on	no	no	no	no	no	no	no	no
middleman/middleman	no	no	no	no	no	no	no	no
midudev/autoskills	yes	no	no	no	no	no	no	no
mina-deploy/mina	no	no	no	no	no	no	no	no
MiniProfiler/rack-mini-profiler	no	no	no	no	no	no	no	no
mislav/will_paginate	no	no	no	no	no	no	no	no
mongodb/mongoid	yes	yes	no	no	no	no	no	no
Netflix/fast_jsonapi	no	no	no	no	no	no	no	no
neutraltone/awesome-stock-resources	no	no	no	no	no	no	no	no
noraj/OSCP-Exam-Report-Template-Markdown	no	no	no	no	no	no	no	no
norman/friendly_id	no	no	no	no	no	no	no	no
octobox/octobox	no	no	no	no	no	no	no	no
octokit/octokit.rb	no	no	no	no	no	no	no	no
omniauth/omniauth	no	no	no	no	no	no	no	no
opal/opal	yes	no	no	no	no	no	no	no
opf/openproject	yes	yes	no	no	yes	no	no	no
paper-trail-gem/paper_trail	no	no	no	no	no	no	no	no
postalserver/postal	no	no	no	no	no	no	no	no
prawnpdf/prawn	no	no	no	no	no	no	no	no
presidentbeef/brakeman	no	no	no	no	no	no	no	no
pry/pry	no	no	no	no	no	no	no	no
puma/puma	no	no	no	no	no	no	no	no
puppetlabs/puppet	no	no	no	no	no	no	no	no
rack/rack	no	no	no	no	no	no	no	no
rack/rack-attack	no	no	no	no	no	no	no	no
rails-api/active_model_serializers	no	no	no	no	no	no	no	no
rails-api/rails-api	no	no	no	no	no	no	no	no
rails/jbuilder	no	no	no	no	no	no	no	no
rails/rails	yes	no	no	no	no	no	no	no
rails/thor	no	no	no	no	no	no	no	no
rails/webpacker	no	no	no	no	no	no	no	no
railsadminteam/rails_admin	no	no	no	no	no	no	no	no
rapid7/metasploit-framework	yes	no	no	no	no	no	no	no
react-native-config/react-native-config	no	no	no	no	no	no	no	no
realm/jazzy	no	no	no	no	no	no	no	no
red-data-tools/YouPlot	no	no	no	no	no	no	no	no
redis/redis-rb	yes	yes	no	no	no	no	no	no
redmine/redmine	no	no	no	no	no	no	no	no
refinery/refinerycms	no	no	no	no	no	no	no	no
resque/resque	no	no	no	no	no	no	no	no
rest-client/rest-client	no	no	no	no	no	no	no	no
rmosolgo/graphql-ruby	no	no	no	no	no	no	no	no
rspec/rspec-rails	no	no	no	no	no	no	no	no
rubocop/rubocop	yes	yes	no	no	no	no	no	no
ruby-concurrency/concurrent-ruby	no	no	no	no	no	no	no	no
ruby-grape/grape	yes	no	no	no	no	no	no	no
ruby/ruby	no	no	no	no	no	no	no	no
ruby/rubygems	no	no	no	no	no	no	no	no
sds/overcommit	no	no	no	no	no	no	no	no
sferik/twitter-ruby	no	no	no	no	no	no	no	no
sferik/x-cli	no	no	no	no	no	no	no	no
shakacode/react_on_rails	yes	yes	no	no	no	yes	no	no
Shopify/liquid	no	no	no	no	no	no	no	no
sidekiq/sidekiq	no	no	no	no	no	no	no	no
simplecov-ruby/simplecov	no	no	no	no	no	no	no	no
sinatra/sinatra	no	no	no	no	no	no	no	no
sj26/mailcatcher	no	no	no	no	no	no	no	no
skwp/dotfiles	no	no	no	no	no	no	no	no
slim-template/slim	no	no	no	no	no	no	no	no
solidusio/solidus	no	no	no	no	no	no	no	no
sparklemotion/mechanize	no	no	no	no	no	no	no	no
spree/spree	yes	no	no	no	no	no	no	no
square/maximum-awesome	no	no	no	no	no	no	no	no
SteveLTN/https-portal	no	no	no	no	no	no	no	no
stringer-rss/stringer	yes	no	no	no	no	no	no	no
svenfuchs/rails-i18n	no	no	no	no	no	no	no	no
teamcapybara/capybara	no	no	no	no	no	no	no	no
TheOdinProject/theodinproject	yes	yes	no	no	no	no	no	no
thoughtbot/factory_bot	no	no	no	no	no	no	no	no
thoughtbot/guides	no	no	no	no	no	no	no	no
thoughtbot/suspenders	no	no	no	no	no	no	no	no
tmuxinator/tmuxinator	no	no	no	no	no	no	no	no
troessner/reek	no	no	no	no	no	no	no	no
typhoeus/typhoeus	no	no	no	no	no	no	no	no
ubicloud/ubicloud	no	no	no	no	no	no	no	no
urbanadventurer/WhatWeb	no	no	no	no	no	no	no	no
varvet/pundit	no	no	no	no	no	no	no	no
vcr/vcr	no	no	no	no	no	no	no	no
venmo/synx	no	no	no	no	no	no	no	no
voormedia/rails-erd	no	no	no	no	no	no	no	no
we-promise/sure	yes	yes	no	yes	yes	no	no	no
wpscanteam/wpscan	yes	yes	no	no	no	no	no	no
xcpretty/xcpretty	no	no	no	no	no	no	no	no
zammad/zammad	yes	no	no	no	yes	no	no	no
zdennis/activerecord-import	no	no	no	no	no	no	no	no