24,815 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 agents8,505Claude Code6,886Git and workflow3,611Data and AI3,580Backend and APIs3,556Languages3,487Planning3,327Code review2,899Testing2,686Writing and docs2,480DevOps and cloud2,479Memory and context2,375Research2,323Frontend2,308Security2,172Project management1,965
All Claude Code32,517 Codex24,815 OpenCode23,733 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,770 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| dasom222g/chutzrit-ai-office Huts릿 24-hour unmanned office with Codex | 3 | Claude Code, Codex, OpenCode | 4 | 9,338 tok |
| projectbluefin/testsuite projectbluefin.github.io Cloud-native QA pipeline for Project Bluefin — Argo Workflows + KubeVirt + qecore/behave A | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 2,843 tok |
| FilippoScaramuzza/agentic-reviewer An agentic framework for academic paper peer review — a team of AI agents explores a targe | 3 | Claude Code, Codex, Cursor, OpenCode | 15 | 1,493 tok |
| mstr-sharma/strategy-automate | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 4,564 tok |
| prewsh/seo-aeo-engine An Antigravity AI skill designed to generate high-converting landing pages optimized for S | 3 | Claude Code, Codex | 8 | — |
| konflux-ci/loadtest Konflux loadtest for per&scale testing the platform | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 6 | 455 tok |
| Catmint103/xilehui-brand-agent catmint103.github.io Codex agent and reusable brand skill for Xilehui visual production | 3 | Codex, OpenCode | 1 | 1,940 tok |
| jfilcik/CU-Tools Tools for working with Azure Content Understanding | 3 | Claude Code, Codex, GitHub Copilot | 13 | 441 tok |
| humanerd-drew/opencode-drewgent Drewgent configuration for opencode — agent profiles, skills, scripts, and tooling | 3 | Claude Code, Codex, OpenCode | 14 | 1,826 tok |
| athallarizky/agent-playbooks A personal collection of reusable AI agent workflows — a briefing for AI agents that encod | 3 | Codex, OpenCode | 1 | 1,435 tok |
| sudoping01/context-engineering Code is a solved problem, software is not. Agents are good at the first, but struggle with | 3 | Claude Code, Codex, OpenCode | 2 | 803 tok |
| luizwbr/pinocchio-skill Skill to [try to] detect AI hallucinations | 3 | Claude Code, Codex | 1 | — |
| HighScientist/drug-designer-skill Claude Code and Codex Skill for Computational Drug Discovery: analysis, workflow design, c | 3 | Codex, OpenCode | 1 | 600 tok |
| amohamma8029/devlog A Go-based CLI/TUI tool for async coding partners. | 3 | Codex, OpenCode | 1 | 1,249 tok |
| hxy91819/mason-skills Sharing my commonly used skills | 3 | Codex, OpenCode | 1 | 1,732 tok |
| atstaeff/ai-agents atstaeff.github.io A complete, modular, and scalable repository of AI Agents, Skills, Templates, and Referenc | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 863 tok |
| ElemontCapital/x-algorithm-skills A suite of high-performance AI agent skills derived from the open-source x.AI x-algorithm | 3 | Claude Code, Codex, OpenCode | 2 | 1,224 tok |
| agent-blueprint/agent-blueprint-skills agentblueprint.ai Open-source AI agent skills for enterprise deployment. ServiceNow AI Agent Studio, deploym | 3 | Codex, OpenCode | 1 | 597 tok |
| quantiles-evals/quantiles quantiles.io Open-source, local-first evaluation infrastructure for applied AI systems, built for devel | 3 | Claude Code, Codex, OpenCode | 2 | 2,673 tok |
| aureuserp/agent-skills Aureus ERP's official collection of agent skills | 3 | Codex, OpenCode | 1 | 1,120 tok |
| SocketDev/sauce Skills for coding agents to interact with Socket | 3 | Claude Code, Codex, OpenCode | 3 | 495 tok |
| Haohaha-11/Paper-Writing | 3 | Codex, OpenCode | 1 | 243 tok |
| r13v/pi-feature-dev Skills | 3 | Codex | 1 | — |
| zhpeng24/devkit Developer toolkit — cross-platform coding skills for AI agents | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 503 tok |
| eparodi/deepcut-skills Useful skills to use with deepseek and Zed editor. | 3 | Codex, OpenCode | 1 | 13,616 tok |
| Adelphopoet/trino-best-practices-skill | 3 | Codex, OpenCode | 1 | 284 tok |
| suyancc/gpt-upi-tool | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 16 | 5,357 tok |
| konflux-ci/mintmaker-renovate-image A repo useful to host and build the mintmaker container image | 3 | Codex, OpenCode | 1 | 347 tok |
| base/ui chain.base.org | 3 | Claude Code, Codex, OpenCode | 5 | 2,525 tok |
| openshift/ols Cross-repo workspace for OpenShift Lightspeed — shared specs, routing, and AI conventions | 3 | Claude Code, Codex, OpenCode | 9 | 1,030 tok |
| raydium-io/raydium-docs-v1 docs.raydium.io Raydium Documentation | 3 | Codex, OpenCode | 1 | 1,143 tok |
| neura-spheres/Ventus Ventus is a focused desktop browser with AI built in | 3 | Claude Code, Codex, OpenCode | 2 | 6,296 tok |
| Gopartner/realme-c53-unlock-root Bootloader unlock (CVE-2022-38694) & root guide for Realme C53 / RMX3760 (Unisoc T612) | 3 | Codex, OpenCode | 1 | 7,338 tok |
| openshift-kni/rds-analyzer | 3 | Claude Code, Codex, OpenCode | 2 | 8,155 tok |
| VoidX3D/RU_Club_Website ruclubmotherland.vercel.app Official website for Motherland RU Club — a student environmental squad from Pokhara, Nepa | 3 | Codex, OpenCode | 2 | 3,856 tok |
| k1wi777/my-harness-SDD A custom harness for the professional use of tools and AI agents, based on a spec-driven d | 3 | Claude Code, Codex, OpenCode | 8 | 1,780 tok |
| CBNU-TeamH/RMF-Block Re-arrangeable Markdown Fabric block based note-taking app | 3 | Claude Code, Codex, OpenCode | 3 | 2,772 tok |
| Mreaggle/JumpstyleUnitedNations jumpstyle.com.br Volunteered open-initiative projects to help on Jumpstyle Community decentralized maintena | 3 | Codex, OpenCode | 1 | 898 tok |
| kokodak/hanji kokodak.github.io Hanji 韓紙, a super lightweight Markdown editor. | 3 | Claude Code, Codex, OpenCode | 2 | 963 tok |
| pglevy/sailwind pglevy.github.io A React component library for vibe coding that speaks Appian SAIL | 3 | Claude Code, Codex, OpenCode | 2 | 2,821 tok |
| richardthe3rd/cambridge-beer-festival-app A Flutter app for browsing beers, ciders, meads, and more at the Cambridge Beer Festival | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 27 | 10,167 tok |
| Stones2Stars/S2S A continuation of Caveman2Cosmos | 3 | Claude Code, Codex, OpenCode | 8 | 35,531 tok |
| pajew-ski/temet-nosce pajew.ski A self-explaining knowledge graph. No embeddings, no vector DB. Just Markdown, an index, a | 3 | Codex, OpenCode | 1 | 6,269 tok |
| ianandersonlol/HiveTransition | 3 | Claude Code, Codex, OpenCode | 2 | 2,663 tok |
| paufortiana/obsidian-assistant-adk An intelligent, multi-agent system built with Google's ADK to manage your Obsidian vault. | 3 | Codex, OpenCode | 1 | 679 tok |
| tembo/docs | 3 | Codex, OpenCode | 1 | 1,052 tok |
| aaronvanston/thinking-vault-template Sanitized, shareable template for an Obsidian/Markdown thinking vault — structure, convent | 3 | Claude Code, Codex, OpenCode | 2 | 154 tok |
| ruslano69/funcfinder - Multi-language function boundary detection - Support for Go, C, C++, C#, Java, D - 95%+ | 3 | Codex, OpenCode | 1 | 4,461 tok |
| ai-integr8tor/agent0ai-dox | 3 | Codex, OpenCode | 1 | 820 tok |
| SaqlainXoas/llm-wiki-second-brain A minimal LLM Wiki template for building a Markdown second brain with Codex, or Claude Cod | 3 | Claude Code, Codex, OpenCode | 2 | 727 tok |