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 |
|---|---|---|---|---|
| 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 |
| GSkuza/ai-polish-text-expert Profesjonalny, polskojęzyczny ekspert do pracy na treści tekstowej z użyciem narzędzi Anth | 3 | Claude Code | 1 | 1,104 tok |
| ironbee-ai/ironbee-devtools-skills ironbee.ai Skills for IronBee DevTools MCP/CLI | 3 | Claude Code, Codex, OpenCode | 2 | 7,019 tok |
| redamancy231-create/claude-skills Three battle-tested Claude Code Skills: session handoff, CLAUDE.md generation, and pre-app | 3 | Claude Code | 1 | 1,484 tok |
| eljoujat/sapcc-skill A skill that turns natural-language requests into Groovy scripts , FlexibleSearch queries | 3 | Codex, OpenCode | 1 | 4,923 tok |
| valeo-cash/x402-payments-skill sentinel.valeocash.com The most comprehensive x402 payments skill for AI coding agents. Build paid APIs on Base & | 3 | Cursor | 1 | 1,665 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 |
| Impertio-Studio/n8n-Claude-Skill-Package 21 deterministic Claude AI skills for n8n v1.x workflow automation | 3 | Claude Code | 2 | 3,471 tok |
| Imran-ml/claude-skills Reusable Claude Code configuration repository with skills, subagents, hooks, MCP setup, an | 3 | Claude Code | 1 | — |
| 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 |
| maojiebc/majia-Popskill Local AI capability manager — manage Claude Code / Codex skills in one place: symlink moun | 3 | Claude Code | 1 | 14,202 tok |
| ludeo-labs/cosmos-os ludeo-labs.github.io A living map of your architecture — services as stars, flows as playable comets, honesty a | 3 | Claude Code | 1 | 441 tok |
| mishoko/solidity-auditor-pulse x.com A benchmark harness that measures how well Claude Code skills perform at smart-contract se | 3 | Claude Code | 1 | 3,752 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 |
| yarlson/yarstack Engineering workflows and standards for Codex and Claude Code: plan, implement, test, revi | 3 | Claude Code, Codex, OpenCode | 2 | 684 tok |
| MisterClean/claude-plugins Custom skills for Claude Code - domain-specific knowledge and workflows | 3 | Claude Code | 1 | 440 tok |
| frankaging/lite-research-agents Lite research agents on proposal, experiment and review | 3 | Claude Code, Codex, OpenCode | 2 | 648 tok |
| raven-sourav/pmm-content-engine PMM Content Distribution Engine — Newsletter scraper, Obsidian knowledge brain, multi-form | 3 | Claude Code | 1 | 4,208 tok |
| CrossRead/scholion Your genome, labs, prescriptions and wearables sit in silos that never compare notes, so c | 3 | Claude Code | 1 | 3,928 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 |
| Eipi-Tong/agentic-coding-starter-kit A reusable agentic coding starter kit (Claude Code) for web projects | 3 | Claude Code | 1 | 379 tok |
| erhwenkuo/stock_skills An undervalued stock screening system. Screens for undervalued stocks across 60+ regions u | 3 | Claude Code | 3 | 1,135 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 |
| bokiko/KyZN kyzn.dev Autonomous code improvement CLI powered by Claude Code | 3 | Claude Code | 1 | 2,105 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 |
| erenisci/claude-design-prompter Two Claude Code skills that turn your repo into paste-ready Claude Design prompts — brand- | 3 | Claude Code | 1 | — |
| 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 |
| liliwen88/doctor.skill Family Health Doctor — AI Medical Assistant Skill / Family Health Doctor · AI Medical Assi | 3 | Claude Code | 1 | 1,105 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 |
| FynePool/job-hunter-template Personal AI job-search assistant, built as a Claude Skills package on a single GitHub repo | 3 | Claude Code | 3 | 2,749 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 |