23,222 repositories keep their own agent configuration in the open: a CLAUDE.md, a rules file, instructions for Copilot, a skill the project runs on itself. These are not mods to install. They are worth reading for what they reveal — what a maintainer thinks an agent gets wrong.
Building agents7,588Claude Code6,636Data and AI3,676Backend and APIs3,496Languages3,402Planning3,219Git and workflow3,187Code review2,745Testing2,374Memory and context2,364DevOps and cloud2,310Writing and docs2,309Research2,295Frontend2,261Security2,021Productivity1,715
All Claude Code31,998 Codex23,222 OpenCode22,170 GitHub Copilot3,550 Gemini CLI1,918 Cursor1,738 Windsurf137 Kiro80
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| sleeyax/promptfiles My collection of skills, prompts and custom agents | 2 | Claude Code, Codex, OpenCode | 2 | 1,511 tok |
| openshift-online/gcp-hcp Documentation and experiments for GCP HCP development | 2 | Claude Code, Codex, OpenCode | 8 | 1,074 tok |
| infohata/mind-vault AI skills, rules, commands, configs | 2 | Claude Code, Codex, OpenCode | 1 | 3,177 tok |
| smartsheet/smartsheet-sdk-tests Mock test suite for all language SDKs | 2 | Claude Code, Codex, OpenCode | 4 | 705 tok |
| marcbenito/claude_workshop_ensenyament claude-workshop-ensenyament.vercel.app | 2 | Claude Code, Codex | 11 | 807 tok |
| nilhemdot/claude-skills-hub clskills.in 789 ready-to-use skills for Claude Code — browse, preview, and download | 2 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| mountblue/ai-path | 2 | Claude Code, Codex | 7 | — |
| voxuanthuan/skills | 2 | Codex, OpenCode | 1 | 45 tok |
| gipert/dbetto dbetto.readthedocs.io A tiny text based database implementation | 2 | Claude Code, Codex, OpenCode | 3 | 128 tok |
| loicngr/Kobo A multi-workspace agent manager for Claude Code & Codex | 2 | Claude Code, Codex, OpenCode | 2 | 12,941 tok |
| pigsly/AxiomFlow AI Governance Architect. I help teams identify early signals before algorithms drift into | 2 | Codex | 1 | — |
| sumulige/sumulige-claude npmjs.com Universal Agent Harness - Transform Claude Code & Codex into intelligent, memory-aware dev | 2 | Claude Code, Codex, OpenCode | 55 | 6,196 tok |
| Diluka/wecom-codex-bot A Deno bridge from WeCom AI Bot chats to persistent Codex CLI sessions via the Codex App S | 2 | Codex, OpenCode | 1 | 5,004 tok |
| qingshihuan/qing-agent-orchestrator Let ChatGPT/Codex each do what they do best in the same desktop workflow: intelligently ro | 2 | Codex | 2 | — |
| qibinlou/falcon Run any coding agent with any LLM in absolute privacy. | 2 | Claude Code, Codex, OpenCode | 2 | 3,417 tok |
| Lortzing/CoderRelay Multi-account and multi-API profile manager for Codex CLI with auth.json support, OpenAI-c | 2 | Codex, OpenCode | 1 | 1,552 tok |
| Luckycat133/skills-repo clawhub.ai Offline migration, backup and restore for Agent Skills, rules and MCP across Cursor, Claud | 2 | Claude Code, Codex, OpenCode | 2 | 707 tok |
| sevenschulte/agentic-harness Reference harness for agentic coding. Six layers configured for Claude Code, with adapter | 2 | Claude Code, Codex, OpenCode | 9 | 4,152 tok |
| Minghou-Lei/codex-skills My personal codex skills backup | 2 | Codex, OpenCode | 1 | 2,816 tok |
| daphnee-ovo/dev-flow Engineering discipline for AI coding agents — from requirements through delivery | 2 | Claude Code, Codex, OpenCode | 3 | 1,680 tok |
| guilhermehto/cogitator Manage your ongoing harness sessions and worktrees from a single place | 2 | Codex, OpenCode | 1 | 941 tok |
| kohj1018/agentic-dev-harness Document-first agentic dev harness for Claude Code and Codex CLI — scaffolds charter, arch | 2 | Claude Code, Codex, OpenCode | 3 | 1,500 tok |
| Axiweave/codex-as Run Codex with saved auth/provider profiles without permanently rewriting auth.json or con | 2 | Codex, OpenCode | 1 | 296 tok |
| papperrollinggery/zhijuan-codex-agency-chief-of-staf Outcome-owned Codex Skill for multi-agent research, planning, execution, model routing, ve | 2 | Codex, OpenCode | 1 | 200 tok |
| Davidcreador/codex-token-guard Codex Token Guard is a local Codex plugin that reduces wasted command and tool-output toke | 2 | Claude Code, Codex, OpenCode | 1 | 1,001 tok |
| avikalpa/codex-session-tui Search, move, copy, fork, and repair Codex sessions from any terminal or SSH session. | 2 | Codex, OpenCode | 1 | 748 tok |
| eXPerience83/remote-dev-containers Browser-accessible Docker development environments for Codex and other coding agents. | 2 | Codex, OpenCode | 1 | 2,221 tok |
| lkoelman/githueber GitHub as frontend to your coding harness | 2 | Codex, OpenCode | 1 | 911 tok |
| CodePrometheus/codex-buddy A tiny, fast tool to run multiple Codex CLI accounts in parallel — no re-logins, CLI + nat | 2 | Claude Code, Codex, OpenCode | 3 | 1,179 tok |
| LandonSchropp/agent-toolkit My personal toolkit for working with AI agents | 2 | Claude Code, Codex, OpenCode | 2 | 600 tok |
| silver2dream/ai-workflow-kit AWK is a spec-driven execution system for turning AI coding agents into a governed enginee | 2 | Claude Code, Codex, OpenCode | 9 | 2,952 tok |
| Luzivog/toks A local-first Linux desktop app for tracking Claude Code and Codex usage, costs, models, a | 2 | Codex, OpenCode | 1 | 968 tok |
| Lianye-Scythe/scythe-context-mcp npmjs.com Local MCP context engine for Codex with Gemini Embedding 2 support | 2 | Codex, OpenCode | 1 | 356 tok |
| ikkeseb/skills Claude Code skills | 2 | Claude Code, Codex, OpenCode | 2 | 572 tok |
| port-labs/port-skills Curated agent skills to work with port.io | 2 | Codex, OpenCode | 1 | 585 tok |
| castorini/castorini-skills Claude Code skills for cross-repo Castorini workflows | 2 | Claude Code, Codex, OpenCode | 2 | 397 tok |
| openshift-online/aro-ai-tools AI Tools (skills, plugins, etc.) for ARO | 2 | Claude Code, Codex, OpenCode | 2 | 42 tok |
| AX-Surfers/vibecut | 2 | Codex, OpenCode | 1 | 1,882 tok |
| bjornjee/skills Useful skills for agents | 2 | Claude Code, Codex, OpenCode | 2 | 1,958 tok |
| carterdea/dots | 2 | Claude Code, Codex, OpenCode | 5 | 882 tok |
| specter119/skills Marketplace-managed Claude Code skills for research, writing, slides, and Typst authoring. | 2 | Codex, OpenCode | 1 | 218 tok |
| NorkzYT/claude-code-autopilot A portable `.claude/` bundle for Claude Code with a staged agent workflow, safety hooks, l | 2 | Claude Code, Codex, OpenCode | 2 | 1,283 tok |
| onehorizonai/skills Agent Skills | 2 | Codex, OpenCode | 1 | 791 tok |
| phrase/skills Agent Skills for Phrase | 2 | Claude Code, Codex, OpenCode | 2 | 149 tok |
| cortesi/skills | 2 | Claude Code, Codex, OpenCode | 6 | 92 tok |
| supercharge-growth/ai-design-skills | 2 | Claude Code, Codex, Cursor, OpenCode | 6 | 644 tok |
| netdata/skills Agent Skills for setting up, instrumenting, and troubleshooting infrastructure with Netdat | 2 | Claude Code, Codex, OpenCode | 2 | 1,380 tok |
| miptah21/skills | 2 | Codex, OpenCode | 1 | 2,545 tok |
| sisibeloved/cpython-optimize-skill | 2 | Codex, OpenCode | 1 | 450 tok |
| MintedKenny/skills Useful Agent Skills for coding agents (Claude Code, Codex, and other Agent Skills hosts). | 2 | Codex, OpenCode | 1 | 193 tok |