Agent Friendly Code

Which public repos are friendliest to an AI coding agent?

Ranked per model across GitHub, GitLab, and Bitbucket — because agents aren't interchangeable.

Looking up a dependency? Check any npm / PyPI / Cargo package by name.

GPT-5 Codex — Reads AGENTS.md before doing any work per OpenAI's Codex docs. Hierarchical (per-directory) AGENTS.md and AGENTS.override.md are first-class.
Leaderboard — page 11 of 12 for GPT-5 Codex
RankRepoStarsScoreExternal link
321openssl/opensslGitHub30.7k ★
54.7
open
322firecrawl/firecrawlGitHub171.1k ★
54.1
open
323jekyll/jekyllGitHub51.6k ★
53.2
open
324sgl-project/sglangGitHub32.3k ★
53.2
open
325erlang/otpGitHub12.3k ★
52.7
open
326redis/redisGitHub76.1k ★
51.9
open
327cloudflare/aiGitHub1.1k ★
51.7
open
328serde-rs/serdeGitHub10.8k ★
50.7
open
329mattermost/mattermostGitHub38.9k ★
50.1
open
330postgres/postgresGitHub21.9k ★
50.0
open
331getlago/lagoGitHub10.4k ★
50.0
open
332apple/swiftGitHub70.3k ★
49.3
open
333dotnet/mauiGitHub23.3k ★
49.3
open
334symfony/symfonyGitHub31.1k ★
48.0
open
335opencv/opencvGitHub90.6k ★
47.5
open
336ocaml/ocamlGitHub6.5k ★
47.2
open
337inkscape/inkscapeGitLab4k ★
47.1
open
338AvaloniaUI/AvaloniaGitHub31.4k ★
46.7
open
339microsoft/semantic-kernelGitHub28.5k ★
46.7
open
340karpathy/llm.cGitHub30.8k ★
46.5
open
341laravel/laravelGitHub84.8k ★
46.0
open
342openai/openai-cookbookGitHub75.5k ★
44.7
open
343nim-lang/NimGitHub18.2k ★
43.3
open
344apache/cassandraGitHub10.1k ★
42.7
open
345stripe/aiGitHub1.8k ★
42.1
open
346karpathy/nanochatGitHub57.4k ★
41.3
open
347ziglang/zigGitHub43.3k ★
37.9
open
348anthropics/claude-codeGitHub142.6k ★
37.2
open
349farzaa/clickyGitHub7.4k ★
33.3
open
350golang/goGitHub136.2k ★
32.0
open
351multicoreware/x265_gitBitbucket—
27.5
open
352microsoft/AIGitHub2.8k ★
26.0
open

Tracking 353 repos · last updated