43,652 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 |
|---|---|---|---|---|
| naorpeled/awesome-oss-skills A repo with skills that help maintain/contribute to OSS projects | 5 | Claude Code, Codex, OpenCode | 2 | 618 tok |
| TashanGKD/Tashan-TopicLab world.tashan.chat Multi-expert roundtable discussion powered by Resonnet. | 5 | Claude Code, Codex, Cursor, OpenCode | 7 | 340 tok |
| yagoid/noteflow yagoid.github.io technical quick notes app | 5 | Claude Code | 4 | 1,833 tok |
| shaharsha/claude-skills Index of @shaharsha's published Claude Code skills - gdoc-sync, gslides-sync, presentation | 5 | Claude Code, Codex, OpenCode | 2 | 826 tok |
| amitlals/sap-rpt1-oss-predictor claude.com SAP-RPT-1-OSS predictor Claude Skills | 5 | GitHub Copilot | 1 | 672 tok |
| corpora-inc/encorpora Corpora for k-12 and beyond | 5 | Claude Code, Codex, OpenCode | 11 | 2,553 tok |
| onbloc/gno-ibc Gno.land IBC for EVM based chains via Union protocol. | 5 | Claude Code, Codex, OpenCode | 2 | 6,540 tok |
| NEARBuilders/everything-dev dev.everything.dev A common, upgradeable runtime | 5 | Claude Code, Codex, OpenCode | 2 | 6,047 tok |
| AndreLYL/memkin Local-first personal memory extraction and storage. A local-first memory system for person | 5 | Claude Code | 1 | 394 tok |
| pshickeydev/coffee-is-for-closers Anti-agent spiraling skill based on the scene from Glengarry Glen Ross | 5 | Codex, OpenCode | 1 | 502 tok |
| AllCytes/cc-fundamentals-05-skills | 5 | Claude Code | 5 | — |
| Spritualkb/CTFskill | 5 | Claude Code, Codex | 2 | — |
| basher83/agent-auditor | 5 | Claude Code | 21 | 917 tok |
| kkwjk2718/gshsapp gshs.app | 5 | Codex, GitHub Copilot, OpenCode | 2 | 2,729 tok |
| neilobremski/gas Google Apps Script modules for AWS, etc. | 5 | Codex, OpenCode | 1 | 2,315 tok |
| ahkedia/lyra-ai Personal AI chief of staff — 4-tier model routing, €18/mo, runs 24/7. Telegram interface · | 5 | Claude Code, Codex, OpenCode | 2 | 2,529 tok |
| omgtwhub/payment-aio-skill | 5 | Codex, Gemini CLI, OpenCode | 2 | 1,015 tok |
| tkhr-sait/penpot-selfhost-mcp penpot selfhosting & mcp | 5 | Claude Code | 4 | 321 tok |
| microsoft/foundryiqexamplechi foundryiqexamplechi.vercel.app | 5 | Codex, OpenCode | 1 | 7,271 tok |
| gortexhq/web Simple web version for the local server | 5 | Claude Code, Codex, OpenCode | 2 | 943 tok |
| lvzhaobo/ira Investment Research Assistant | 5 | Codex, OpenCode | 1 | 4,074 tok |
| UniprJRC/FSDA-bridge This repository provides bridges for calling FSDA routines from Python, R, and Julia. It c | 5 | Codex, OpenCode | 1 | 508 tok |
| cellear/claude-fact-check-skill A comprehensive methodology for verifying claims in social media posts using Claude AI and | 5 | Codex, OpenCode | 1 | 333 tok |
| ergodic-ai/supyagent Build supyagents with supypowers | 5 | Claude Code | 1 | 725 tok |
| dasTholo/lean-md Macro/directive markdown renderer for lean-ctx context engineering. | 5 | Claude Code, Codex, OpenCode | 2 | 2,645 tok |
| umidjon3455/clawhub_nina clawhub.ai Skill Directory for OpenClaw | 5 | Claude Code, Codex, OpenCode | 2 | 1,782 tok |
| mongodb-developer/nextjs-template-mongodb nextjs-template-mongodb.vercel.app Full-stack Next.js and MongoDB starter template (App Router, TypeScript, Tailwind/shadcn) | 5 | Claude Code, Codex, OpenCode | 2 | 487 tok |
| progiri/craftlight | 5 | Claude Code | 1 | 743 tok |
| gpsnmeajp/ai-character-checker A collection of AI skills that attempt to analyze, diagnose, and automatically improve cha | 5 | GitHub Copilot | 1 | 3,911 tok |
| carofi-auto/agent-skills | 5 | Claude Code, Codex, OpenCode | 2 | 1,184 tok |
| PollyGlot/google-play-cli-skills gplay.sh Agent skills (SKILL.md) for the gplay Google Play CLI — install via: npx skills add PollyG | 5 | Claude Code, Codex, OpenCode | 2 | 448 tok |
| laamme2626/ai-native-game-generation-skill | 5 | Claude Code, Codex | 1 | — |
| kujiangmudao/tablepack TablePack — Install MinerU once and convert PDF tables to Excel packages with one click (r | 5 | Codex, OpenCode | 1 | 1,026 tok |
| gmoriki/higher-ed-ai-skills A public collection of skills for structuring AI use in university administration in skill | 5 | Codex, OpenCode | 1 | 7,413 tok |
| Dowwie/agent_framework_study An agentic analysis of the most popular agent frameworks as of 12-23-2025 | 5 | Claude Code | 18 | — |
| qtzx06/clawcraft clawcraft.opalbot.gg skills for openclaw agents to join & play minecraft | 5 | Claude Code, Codex, OpenCode | 2 | 5,823 tok |
| bzwh321/product-manager-agent-project-public Public Product Manager Codex skill with decision-ready workflows, templates, and experienc | 5 | Codex, OpenCode | 1 | 3,572 tok |
| abcorrea/pddl-skills | 5 | Codex, OpenCode | 1 | 1,741 tok |
| shrimbly/project-wiki Boilerplate for an agent-maintained knowledge base: faithful sources, an AI-maintained wik | 5 | Claude Code, Codex, OpenCode | 2 | 3,239 tok |
| dungnotnull/arid-region-water-saving-irrigation-agent-skill 🌾💧 Arid-Region Water-Saving Irrigation System Design Engine | Production-grade Claude Co | 5 | Claude Code | 1 | 1,306 tok |
| MARS-ROBOTICS-star/Local-Immersive-Translate A Zotero 7 PDF translation plugin based on the local BabelDOC backend. | 5 | OpenCode | 1 | — |
| sushilk1991/know-cli Know - 3x Fewer Tokens for AI Coding Agents | 5 | Codex, OpenCode | 1 | 419 tok |
| reskywtf/cursor-karpathy-guidelines Cursor Agent skill based on Andrej Karpathy's LLM coding guidelines. Helps AI agents avoid | 5 | Cursor | 1 | — |
| its-meseba/antigravity-configuration-and-claude-skills-integration I like using Antigravity IDE, and I wanted to have the capabilities of Claude Code Skills | 5 | Gemini CLI | 1 | 2,580 tok |
| mekotenkov-ux/seomeatagentscreator A Russian-language universal system for building production-grade agent systems and skills | 5 | Codex, OpenCode | 1 | 516 tok |
| magnusnoeddegaard/tskills Sync private team AI skills across Claude Code, Cursor, Copilot, and Windsurf | 5 | Claude Code, Codex, OpenCode | 2 | 2,201 tok |
| stephancill/txlink txlink.stupidtech.net A flexible web app for executing EVM wallet actions via URL params | 5 | Codex, OpenCode | 1 | 749 tok |
| realsigridjin/interview-copilot-with-skills interview-copilot-with-skills.vercel.app Build Your Team's Interview Copilot using Claude Skills | 5 | Claude Code | 1 | 628 tok |
| ragnarok22/agent-skills Single source of truth for your custom Agent skills. | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 571 tok |
| sorunokoe/swiftui-compose-skill AI coding skill for Compose Multiplatform ↔ SwiftUI bidirectional interop. | 5 | Codex, OpenCode | 1 | 644 tok |