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 11 of 12 for Claude Code
RankRepoStarsScoreExternal link
321wireshark/wiresharkGitLab1.6k ★
56.6
open
322flutter/aiGitHub291 ★
56.6
open
323expressjs/expressGitHub69.6k ★
55.8
open
324anthropics/claude-codeGitHub150.4k ★
55.7
open
325lysine-dev/retrofitGitHub44k ★
55.7
open
326gnachman/iterm2GitLab1.5k ★
55.7
open
327numpy/numpyGitHub33.1k ★
54.6
open
328flutter/samplesGitHub19.3k ★
54.6
open
329phpstan/phpstanGitHub14.1k ★
54.6
open
330rrousselGit/riverpodGitHub7.4k ★
54.6
open
331jekyll/jekyllGitHub51.7k ★
54.3
open
332Significant-Gravitas/AutoGPTGitHub187.5k ★
53.9
open
333google/guavaGitHub51.9k ★
53.7
open
334netty/nettyGitHub35.1k ★
53.7
open
335sgl-project/sglangGitHub37k ★
53.0
open
336fdroid/fdroidclientGitLab2.7k ★
53.0
open
337firecrawl/firecrawlGitHub190.9k ★
52.6
open
338flutter/flutterGitHub180k ★
52.6
open
339openssl/opensslGitHub30.9k ★
52.6
open
340rayon-rs/rayonGitHub13.4k ★
52.6
open
341seanmonstar/reqwestGitHub11.9k ★
52.6
open
342kicad/code/kicadGitLab1.1k ★
52.6
open
343spring-projects/spring-bootGitHub81.6k ★
52.4
open
344redis/redisGitHub76.8k ★
51.7
open
345erlang/otpGitHub12.4k ★
51.7
open
346openai/openai-cookbookGitHub76.6k ★
50.7
open
347cloudflare/aiGitHub1.2k ★
50.5
open
348postgres/postgresGitHub22.4k ★
50.3
open
349swiftlang/swiftGitHub70.5k ★
50.0
open
350getlago/lagoGitHub10.7k ★
49.1
open
351mattermost/mattermostGitHub39.3k ★
46.1
open
352microsoft/semantic-kernelGitHub28.7k ★
45.8
open

Tracking 371 repos · last updated