45,053 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 agents8,576Claude Code6,909Git and workflow3,638Data and AI3,577Backend and APIs3,561Languages3,499Planning3,322Code review2,907Testing2,704DevOps and cloud2,498Writing and docs2,488Memory and context2,373Research2,320Frontend2,317Security2,182Project management1,989
All Claude Code32,564 Codex24,947 OpenCode23,868 GitHub Copilot3,726 Gemini CLI2,040 Cursor1,770 Windsurf203 Kiro117
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| vibe-coding-era/skills Selected skills projects and practical experience | 2 | Codex, OpenCode | 1 | 829 tok |
| groundcobra009/demo-miraichi-company-slide-builder A repository for seminars | 2 | Claude Code | 10 | 5,857 tok |
| nikeyes/claude-code-config Personal Claude Code configuration | 2 | Claude Code, Codex, OpenCode | 2 | 315 tok |
| Jerovino/EngineeringOS-template Personal operating system for engineering leaders — Obsidian vault + Claude Code skills fo | 2 | Claude Code | 1 | 1,990 tok |
| openshift-online/gcp-hcp Documentation and experiments for GCP HCP development | 2 | Claude Code, Codex, OpenCode | 9 | 1,343 tok |
| infohata/mind-vault AI skills, rules, commands, configs | 2 | Claude Code, Codex, OpenCode | 1 | 3,177 tok |
| whoabuddy/claude-knowledge | 2 | Claude Code | 1 | 1,254 tok |
| Praeviso/GitShelf PDF to online bookshelf. Fork, read, done. | 2 | Claude Code | 1 | 1,533 tok |
| marcbenito/claude_workshop_ensenyament claude-workshop-ensenyament.vercel.app | 2 | Claude Code, Codex | 11 | 807 tok |
| nakuls08/claude-code-workshop-berlin claude-code-workshop-berlin-zeta.vercel.app 2-hour Claude Code workshop for non-technical participants — fork, build a portfolio or la | 2 | Claude Code | 1 | 1,072 tok |
| tbckdev/claude-ws Access Claude Code as Kanban in Web. Work from anywhere with consistent performance. Intui | 2 | Claude Code | 1 | 137 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 |
| JSON-OBJECT/claude-code | 2 | Claude Code | 1 | 742 tok |
| mountblue/ai-path | 2 | Claude Code, Codex | 7 | — |
| Aidenwu0209/claude-code-open Unified Claude Code workspace with an optional local launcher | 2 | Claude Code | 1 | 1,640 tok |
| jandonaire-iarvix/prd-generator Professional PRD Generator Agent - Transform ideas into structured product requirements wi | 2 | Claude Code | 2 | — |
| cbmono/ai-setup Personal opinionated AI Setup | 2 | Claude Code | 33 | 4,670 tok |
| InstituteforDiseaseModeling/idm_standards docs.idmod.org IDM's standards for docs and software quality | 2 | Claude Code | 1 | — |
| voxuanthuan/skills | 2 | Codex, OpenCode | 1 | 45 tok |
| runbear-io/skills | 2 | Claude Code | 1 | 685 tok |
| gipert/dbetto dbetto.readthedocs.io A tiny text based database implementation | 2 | Claude Code, Codex, OpenCode | 3 | 128 tok |
| wittyreference/twilio-claude-plugin A Claude Code plugin bringing Twilio CPaaS expertise to any project | 2 | Claude Code | 2 | — |
| loicngr/Kobo A multi-workspace agent manager for Claude Code & Codex & Mistral Vibe | 2 | Claude Code, Codex, OpenCode | 2 | 24,064 tok |
| LeaYeh/skills Customized Agent Skills for Claude Code | 2 | Claude Code | 1 | — |
| bushuhui/skills skills for agents (OpenClaw, Claude Code, Codex...) | 2 | Claude Code | 1 | 1,119 tok |
| roboco-io/ralph-mem Claude Code plugin for Ralph Loop based persistent context management | 2 | Claude Code | 3 | 1,815 tok |
| pigsly/AxiomFlow AI Governance Architect. I help teams identify early signals before algorithms drift into | 2 | Codex | 1 | — |
| SSC-STUDIO/Ai-Model-Gateway ssc-studio.github.io Self-hosted LLM operations gateway for routing, fallback, telemetry, benchmarking, config | 2 | Claude Code | 1 | 435 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 & restore for Agent Skills, rules and MCP across Cursor, Claude | 2 | Claude Code, Codex, OpenCode | 2 | 328 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 |
| EASYGOING45/open-pets Open Pets — chibi pet atlases + reusable AI Skill for Codex CLI / Claude Code | 2 | Claude Code | 1 | 789 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 | 1,057 tok |
| svyatov/handrail pkg.go.dev Declare an agent guardrail once, in one neutral format, and enforce it through every harne | 2 | Claude Code | 2 | 616 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 |
| 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 | 3,032 tok |
| Okeysir198/P20251122-claude-skills Public repository for Skills | 2 | Claude Code | 2 | — |
| johnapacher-sudo/claude-code-fleet Multi-tool AI coding process orchestrator. Run multiple Claude Code, GitHub Copilot CLI, a | 2 | Claude Code | 1 | 1,690 tok |
| ObolNetwork/obol-gitbook | 2 | Claude Code | 6 | 1,551 tok |
| samqin123/Claude_skill_pool A dynamically updated repository of various CC skill tools. | 2 | Claude Code | 1 | 939 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 | 1,544 tok |
| ConductorOne/docs conductorone.com C1 product documentation | 2 | Claude Code | 1 | 47 tok |