Show HN: Which public repos are friendliest to an AI coding agent?

Public leaderboard ranking GitHub, GitLab, and Bitbucket repos by how agent-friendly they are for Claude Code, Cursor, Devin, GPT-5 Codex, Gemini CLI, Aider, OpenHands, and Pi — per model, with AGENTS.md / CLAUDE.md, CI, tests, and dev-env signals.