23,196 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 agents7,571Claude Code6,627Data and AI3,684Backend and APIs3,492Languages3,401Planning3,221Git and workflow3,179Code review2,740Testing2,368Memory and context2,365Writing and docs2,309DevOps and cloud2,308Research2,298Frontend2,256Security2,015Productivity1,715
All Claude Code31,984 Codex23,196 OpenCode22,145 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,736 Windsurf133 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| dasein108/slope-studio youtube.com "Automated AI short-video studio: idea → published YouTube Short, $0.06/video" | 3 | Claude Code, Codex, OpenCode | 2 | 304 tok |
| soden46/engineer-flow Framework-agnostic AI engineering control plane with project-aware routing, 0–2 specialist | 3 | Codex, OpenCode | 1 | 587 tok |
| dbhq-uk/legwork-skill dbhq.uk Decision-research skill for Claude Code and Codex - every claim states how well it is supp | 3 | Claude Code, Codex, OpenCode | 1 | 1,902 tok |
| unvulcanised-watercress762/mem9 Enable AI agents to retain memory across sessions using persistent storage designed for co | 3 | Claude Code, Codex, OpenCode | 2 | 1,832 tok |
| openEHR/ai-plugins AI plugins for openEHR - specification authoring, review and governance skills. Claude Cod | 3 | Claude Code, Codex, OpenCode | 2 | 1,364 tok |
| JZKK720/cubecloud-skills-bundle-kit One-command setup for a full VS Code Copilot Chat agent-skills stack on Windows - 144 skil | 3 | Codex, GitHub Copilot, OpenCode | 2 | 938 tok |
| jamestkelly/search-mesh SIMD-accelerated, single-pass codebase intelligence fabric for AI agents. Offload multi-ke | 3 | Claude Code, Codex, OpenCode | 2 | 662 tok |
| Doris-Labs/sales-skills dorislabs.com | 3 | Claude Code, Codex, OpenCode | 2 | 697 tok |
| dxkjuanjuan/ui-forge dxkjuanjuan.github.io 🔨 5-Stage UI Design Forge — Discover → Tokenize → Compose → Animate → Polish. 11 themes, | 3 | Codex, OpenCode | 1 | 871 tok |
| LoserLab/hexed x.com Hexed is a Claude skill that extracts structured color systems from images and builds a co | 3 | Codex, OpenCode | 1 | 275 tok |
| hobart9527/andrej-karpathy-guideline-for-ai-coding Andrej Karpathy-inspired guidelines for Codex and Claude Code that reduce common LLM codin | 3 | Claude Code, Codex, OpenCode | 2 | 1,999 tok |
| mappamind/mappamind mappamind.github.io See what your AI coding agent just did to your system's behavior, flow, and architecture. | 3 | Claude Code, Codex, OpenCode | 2 | 1,102 tok |
| patriarchal-boothose896/notebooklm-py Provide full Python API access to NotebookLM features, including advanced functions beyond | 3 | Claude Code, Codex, OpenCode | 2 | 2,470 tok |
| Mohamed-El-Sharqawy/agent-tutor The agent-agnostic AI tutor skill that writes into your Obsidian vault — works with Claude | 3 | Codex, OpenCode | 1 | 1,043 tok |
| densmirnov/hidden-achievements-skill Sealed hidden daily achievements for team agents: anti-spam, prompt-injection safe, no ret | 3 | Codex, OpenCode | 1 | 2,394 tok |
| zywkloo/wtcraft npmjs.com Git-native agent governance core — task contracts and deterministic scope/verification che | 3 | Claude Code, Codex, OpenCode | 7 | 699 tok |
| jsuvic/agent-profile agent-profile.com Configure Codex, Claude, and Tabnine to understand your project, follow its workflow, and | 3 | Claude Code, Codex, OpenCode | 3 | 2,434 tok |
| ironbee-ai/ironbee-devtools-skills ironbee.ai Skills for IronBee DevTools MCP/CLI | 3 | Claude Code, Codex, OpenCode | 2 | 7,019 tok |
| eljoujat/sapcc-skill A skill that turns natural-language requests into Groovy scripts , FlexibleSearch queries | 3 | Codex, OpenCode | 1 | 4,923 tok |
| rhnfzl/slide-sage Show your presentations with charts, diagrams, and code highlighting. Works with most AI c | 3 | Codex, OpenCode | 1 | 1,222 tok |
| yingying-chu/class-action-finder yingying-chu.github.io An AI skill for Claude, Codex, and ChatGPT that scans your email for class action settleme | 3 | Claude Code, Codex, OpenCode | 2 | 3,206 tok |
| RbBtSn0w/adg adg.rbbtsn0w.me One CLI to manage AI agent plugins and skills — author once in a single manifest, adapt to | 3 | Codex, OpenCode | 1 | 797 tok |
| lihytaihe-lang/aetherpane Web UI polish skill and design system for AI coding agents (Codex, Claude Code, Cursor, Wi | 3 | Codex, OpenCode | 1 | 2,711 tok |
| momentmaker/kaijutsu kaijutsu.dev Write your dev workflow once. Run it on any LLM. Open agent skills + multi-model swarm + a | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,890 tok |
| tinhtran24/maestro Maestro is an open-source, multi-agent AI development framework written in Go. It orchestr | 3 | Claude Code, Codex, OpenCode | 2 | 2,591 tok |
| yarlson/yarstack Engineering workflows and standards for Codex and Claude Code: plan, implement, test, revi | 3 | Claude Code, Codex, OpenCode | 2 | 684 tok |
| frankaging/lite-research-agents Lite research agents on proposal, experiment and review | 3 | Claude Code, Codex, OpenCode | 2 | 648 tok |
| Pursuer-Hsf/manage-my-skills Private, safe, cross-machine lifecycle management for personal Agent Skills. | 3 | Codex, OpenCode | 1 | 268 tok |
| ArchSightLabs/archsight-cognition npmjs.com Cognitive enhancement AI Skills: structured thinking, decision reviews, debate, writing, p | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,557 tok |
| stempeck/agentfactory medium.com Multi-agent orchestration CLI for Claude Code — declarative TOML workflows, autonomous age | 3 | Claude Code, Codex, OpenCode | 3 | 2,148 tok |
| catcatcatstudio/cat-skills catcatcat.ai AI agent skills for Claude Code, Cursor, Codex, and 40+ coding agents — architect, noteboo | 3 | Codex, OpenCode | 1 | 407 tok |
| dbhq-uk/dovetail-skill dbhq.uk Claude Code and Codex skill that checks whether a repository still agrees with itself - de | 3 | Claude Code, Codex, OpenCode | 1 | 1,377 tok |
| po4yka/llm-wiki-skills Portable Agent Skills for building, operating, evaluating, and governing LLM-Wiki knowledg | 3 | Claude Code, Codex, OpenCode | 2 | 1,329 tok |
| ondrej-merkun/skill-audit npmjs.com Scan every AI agent skill on your machine for prompt injection and malicious code. Fast lo | 3 | Claude Code, Codex, OpenCode | 2 | 3,423 tok |
| arifulislamat/bd-income-tax-skills Bangladesh individual income-tax Agent Skill (Income Tax Act 2023 + Finance Act): slabs, t | 3 | Claude Code, Codex, OpenCode | 2 | 1,223 tok |
| stanmaygo/dotsweep dotsweep.com Check domain name availability across 1,200+ TLDs from an AI agent — with renewal price, m | 3 | Claude Code, Codex, OpenCode | 2 | 1,280 tok |
| lunchpaillola/pipa-skills usepipa.com Operational skills for the agents people already use. | 3 | Codex, OpenCode | 1 | 511 tok |
| thienhoc/dwi-by-thienhoc d.wi.works A modular human layer that helps reduce overplanning, token waste, context loss, and actio | 3 | Codex, OpenCode | 1 | 111 tok |
| agoradynamics/wick Drop-in thinking-partner personality layer for Claude Code, Cursor, ChatGPT, and 20+ AI ag | 3 | Claude Code, Codex, OpenCode | 2 | 6,473 tok |
| ribeirogab/specwright A multi-host plugin for Claude Code, Codex, and OpenCode. It gives a repository one explic | 3 | Claude Code, Codex, OpenCode | 2 | 822 tok |
| danger-English/agent-zero-to-one-cn cclearning.cn An introduction to AI Coding Agents and an Agent Skill guide for Chinese beginners; offici | 3 | Claude Code, Codex, OpenCode | 2 | 584 tok |
| Immoderate-humulin783/odoo-skills Automate Odoo development tasks including addon reviews, OCA migrations, test writing, and | 3 | Claude Code, Codex, OpenCode | 2 | 945 tok |
| H-Ali13381/recursive-agent-improvement Systematic agent improvement via tool-based narrow ML | 3 | Codex, OpenCode | 1 | 236 tok |
| pitimon/8-habit-ai-dev Stop vibe coding — 13 skills, 7 steps, 8 habits. Structured AI-assisted development powere | 3 | Claude Code, Codex, OpenCode | 2 | 5,071 tok |
| davidteren/intent-engineering davidteren.github.io Enforce intent engineering: a Claude Code plugin with 5 review lenses (predictability, con | 3 | Claude Code, Codex, OpenCode | 2 | 5,009 tok |
| yurakawa/mskills npmjs.com mskills is a CLI tool to manage "Agent Skills" for various AI agents. | 3 | Codex, GitHub Copilot, OpenCode | 5 | 3,477 tok |
| fmind/agent-levers fmind.github.io Levers for AI coding agents (Claude Code, Gemini CLI, GitHub Copilot, OpenCode) — multiply | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 640 tok |
| chtnnh/know-code kc.chtnnhfoundation.org k(no)w-code - your agents dont push until you know exactly whats changed | 3 | Claude Code, Codex, OpenCode | 3 | 362 tok |
| cckyros/goal-acceptance Acceptance-criteria-driven goal completion for autonomous agents — core library, MCP serve | 3 | Codex, OpenCode | 1 | 1,070 tok |
| Peeyushmeher/agent-agile Agile planning + execution for AI coding agents: grill the idea, plan with OKRs, adversari | 3 | Claude Code, Codex, OpenCode | 2 | 490 tok |