Agent Friendly Code

Which public repos are easiest for Claude Code to work in?

Repos from GitHub, GitLab, and Bitbucket, ranked by their Claude Code score rather than the average across every agent. gitlab-org/cli leads with 98.0.

The methodology lists the weight Claude Code gives each check and the documentation it comes from.

Claude Code — Loads CLAUDE.md at the start of every conversation per Anthropic's memory docs, so AGENTS.md / CLAUDE.md and a fast test loop carry the most weight.
Leaderboard — page 9 of 12 for Claude Code
RankRepoStarsScoreExternal link
257apache/beamGitHub8.7k ★
66.2
open
258Aider-AI/aiderGitHub49.5k ★
65.8
open
259cockroachdb/cockroachGitHub32.6k ★
65.8
open
260shadcn-ui/uiGitHub125.4k ★
64.9
open
261spring-projects/spring-frameworkGitHub60.3k ★
64.9
open
262date-fns/date-fnsGitHub36.6k ★
64.9
open
263trinodb/trinoGitHub13.3k ★
64.9
open
264haskell/cabalGitHub1.7k ★
64.9
open
265openai/codexGitHub128.8k ★
64.5
open
266hashicorp/terraformGitHub49.9k ★
64.5
open
267go-gorm/gormGitHub40k ★
64.5
open
268google-deepmind/mujocoGitHub15.6k ★
63.8
open
269tailwindlabs/tailwindcssGitHub97.9k ★
63.7
open
270drizzle-team/drizzle-ormGitHub36k ★
63.7
open
271honojs/honoGitHub32.5k ★
63.7
open
272pointfreeco/swift-composable-architectureGitHub15k ★
63.6
open
273livebook-dev/livebookGitHub5.9k ★
63.6
open
274snakeyaml/snakeyamlBitbucket—
63.6
open
275immich-app/immichGitHub116.1k ★
62.9
open
276protocolbuffers/protobufGitHub72.1k ★
62.5
open
277bevyengine/bevyGitHub48.9k ★
62.5
open
278crystal-lang/crystalGitHub20.5k ★
62.5
open
279rust-lang/cargoGitHub15.6k ★
62.5
open
280fmtlib/fmtGitHub25.9k ★
61.8
open
281sidekiq/sidekiqGitHub13.6k ★
61.8
open
282redpanda-data/redpandaGitHub12.6k ★
61.8
open
283vitejs/viteGitHub83.3k ★
61.7
open
284git/gitGitHub63.8k ★
61.6
open
285jellyfin/jellyfinGitHub58k ★
61.6
open
286openai/whisperGitHub110.4k ★
61.2
open
287microsoft/TypeScriptGitHub111.4k ★
60.9
open
288alacritty/alacrittyGitHub65.9k ★
60.9
open

Tracking 371 repos · last updated