43,713 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 agents7,642Claude Code6,648Data and AI3,676Backend and APIs3,504Languages3,399Planning3,222Git and workflow3,208Code review2,743Testing2,379Memory and context2,369Writing and docs2,323DevOps and cloud2,312Research2,290Frontend2,262Security2,025Productivity1,719
All Claude Code31,997 Codex23,311 OpenCode22,257 GitHub Copilot3,557 Gemini CLI1,917 Cursor1,739 Windsurf141 Kiro81
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| cubxxw/agent-kit Public, versioned Agent Skills to safely bootstrap and sync Claude Code, Codex, Qwen Code, | 2 | Claude Code, Codex, OpenCode | 4 | 188 tok |
| netresearch/typo3-ckeditor5-skill Agent Skill: CKEditor 5 development patterns for TYPO3 | Claude Code compatible | 2 | Codex, OpenCode | 1 | 515 tok |
| AIwork4me/open-llm-wiki Claude Code skill bundle for building auditable research wikis from papers with independen | 2 | Codex, OpenCode | 1 | 748 tok |
| 008993368-yaz/Growth-Scout Open-source agent skill: scout product growth opportunities before you write code | 2 | Codex, OpenCode | 1 | 260 tok |
| developer-overheid-nl/skills-geo Claude Code plugin voor Geonovum geo-standaarden voor ruimtelijke data in Nederland | 2 | Claude Code | 1 | 1,431 tok |
| mishanefedov/skillrot Audit agent skills for CLI drift: find skills that call external tools with flags/subcomma | 2 | Codex, OpenCode | 1 | 375 tok |
| Simone-Tarantino/godot-superpowers Full-spectrum Godot 4.x plugin for Claude Code: 33 skills + 15 subagents, hooks (gdformat | 2 | Claude Code | 1 | 4,683 tok |
| arikw/rx-browser-bridge-mcp arikw.github.io Drive your own already-open browser from your AI coding agent (any MCP client) via a self- | 2 | Claude Code | 1 | 1,161 tok |
| pantheon-org/claude-code-personalities Give Claude Code some personalities | 2 | Claude Code, Codex, OpenCode | 2 | 2,421 tok |
| 0k-lab/knowledge-capture Local raw capture layer for agent sessions, preserving decisions and handoffs as wiki/LLM | 2 | Codex, OpenCode | 1 | 122 tok |
| shikanime-labs/skills A curated catalog of self-improved agent skills for Hermes and compatible agents | 2 | Codex, OpenCode | 1 | 1,395 tok |
| shenli/devtool-ax-kit A local-first toolkit for testing agent experience in Agent-Native developer tools. | 2 | Codex, OpenCode | 1 | 241 tok |
| vintagedon/ethops radioastronomy.io ITIL-driven autonomous DevOps team framework for scientific computing infrastructure | 2 | Codex, OpenCode | 1 | 470 tok |
| IronRookieCoder/auto-pilot A Claude Code plugin for long-horizon TDD coding workflows — persists state via a structur | 2 | Claude Code, Codex, OpenCode | 2 | 210 tok |
| snowmead/questionably-ultrathink Questionably UltraThink your most complex tasks combining AoT (Atom of Thoughts) and CoV ( | 2 | Claude Code | 1 | 1,579 tok |
| canoypa/gh-cgu 👀 Change / Current Git User | 2 | Codex, OpenCode | 1 | 520 tok |
| krzysztofdudek/UrdSkill Your agent hits a gap in the spec and guesses. Urd makes it stop and ask instead. | 2 | Claude Code | 1 | 1,037 tok |
| PramodDutta/botskills botskills.sh Paste-ready bot setups for Grok Bot and Rakazo. Every listing declares the one action it n | 2 | Claude Code | 1 | 1,533 tok |
| yamitzky/slack-admin-cli sladm — Slack Admin CLI for humans and AI agents. Manage Enterprise Grid via admin.* APIs. | 2 | Claude Code | 1 | 907 tok |
| b2bforce/b2bforce b2bforce.ai Skills + workspace for AI agents in B2B service firms | 2 | Codex, OpenCode | 1 | 6,426 tok |
| everywan-dev/claude-code-engineering everywan.com Turn Claude Code into a team that has to prove it. 44 skills, 8 review agents, a validatio | 2 | Claude Code | 1 | 158 tok |
| cwf818/topgauge A provider-agnostic Claude Code statusline plugin for token-plan usage / remaining quota o | 2 | Claude Code | 1 | 9,021 tok |
| rodrigopg/whatsapp-mcp WhatsApp MCP Server — community fork with LID contact fixes, group management, security ha | 2 | Claude Code, Codex, OpenCode | 2 | 865 tok |
| gf-labs/claude-toolbox Session lifecycle management for Claude Code — orientation, checkpointing, archival, healt | 2 | Claude Code | 2 | 1,367 tok |
| Arnosdeus/agent-toolkit agent-toolkit is a shared, agent-agnostic AI development toolkit for Codex, Cline, and oth | 2 | Codex, OpenCode | 1 | 543 tok |
| guofu-shiqu/ux-expert-skills UX Expert Skills — 25 experience management expert Skills, compatible with Claude Code and | 2 | Claude Code, Codex, OpenCode | 2 | 1,317 tok |
| getskillseal/skillseal getskillseal.github.io Self-verifying agent skills. Your seal of approval. 🦭 | 2 | Claude Code, Codex, OpenCode | 2 | 751 tok |
| TIanle-art/agent-vision-skill Enables large language models without vision capabilities, such as DeepSeek V4, to underst | 2 | Codex, OpenCode | 1 | 1,852 tok |
| gf-labs/gfl-marketplace Greenfield Labs Claude Code plugin marketplace | 2 | Claude Code | 1 | 900 tok |
| bacsystem/parallel-plan-executor Claude Code Workflow that executes cys:plan implementation plans with independent tasks ru | 2 | Claude Code | 2 | 1,072 tok |
| LFTPadilla/agent-dev-kit agent-dev-kit.devpipe.net Replicable agent development system: curated Claude Code/Codex skills + bootstrap for the | 2 | Codex, OpenCode | 1 | 1,582 tok |
| codyhxyz/create-claude-plugin A Claude plugin that ships Claude plugins. From ~/.claude/ to claude-plugins-official in a | 2 | Claude Code | 1 | 958 tok |
| moruno21/agents-concerto Multi-agent development orchestrator on Claude Code: dispatch by complexity, implement in | 2 | Claude Code | 2 | 4,187 tok |
| abs1294/fulin-claude-plugins Claude Code tools marketplace: webwright-powered QA testing framework + delaylocal schedul | 2 | Claude Code | 1 | 1,238 tok |
| speson/not-my-reforge not oh-my. reforged. — AI agent orchestration, quality hooks, and smart routing for Claude | 2 | Claude Code | 1 | 1,003 tok |
| zircote-plugins/aesth Craft-focused design system plugin for Claude Code. Store design tokens, patterns & decisi | 2 | Claude Code, GitHub Copilot | 2 | 884 tok |
| hyemin-ht-kang/click-to-edit-ui Claude Code plugin: Alt-click web UI components in the browser and request edits by number | 2 | Claude Code, Codex, OpenCode | 2 | 917 tok |
| michaelengland/deckwright Build and edit PowerPoint presentations with AI — phased workflow for story, structure, de | 2 | Claude Code | 1 | — |
| MartinWickman/ccmonitor A cli dashboard for all running Claude Code sessions | 2 | Claude Code | 1 | 277 tok |
| AcKeskin/contexture My personal setup for working with AI; what I learned from existing plugins, plus a bunch | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 20 | 43,544 tok |
| dixalex/decision-linter Decision Linter — like ESLint for your thinking. Claude Code plugin that scores assumption | 2 | Claude Code | 1 | 258 tok |
| morodomi/redteam-skills Claude Code Plugin for automated security auditing. Static analysis + dynamic verification | 2 | Claude Code | 1 | 1,849 tok |
| queelius/claude-anvil A forge for Claude Code plugins — academic research, fiction worldbuilding, publication wo | 2 | Claude Code | 1 | 3,015 tok |
| sdsrss/claudemd npmjs.com Claude Code plugin: AI-CODING-SPEC v6.11 enforcement via shell hooks + spec distribution i | 2 | Claude Code | 1 | 756 tok |
| sdsrss/onboard Make any legacy project Claude-Code-ready — without forcing AI tooling on your teammates. | 2 | Claude Code | 1 | 4,420 tok |
| ali-demirbas/claude-lifecycle ali-demirbas.github.io Lifecycle marketing & CRM engine for Claude Code — scores your data first, then generates | 2 | Claude Code, Gemini CLI | 5 | 1,955 tok |
| howar31/magi-workflow Multi-model workflow plugin for Claude Code: MAGI weighted voting + cross-CLI orchestratio | 2 | Claude Code | 1 | 626 tok |
| iroha924/mumei Your build is green — but did the agent make it green by weakening the tests? mumei re-run | 2 | Claude Code, Codex, OpenCode | 2 | 7,247 tok |
| arloliu/semantic-linefeeds pypi.org One sentence per line, enforced as your AI agent writes it — a one-word edit stays a one-l | 2 | Claude Code, Codex, OpenCode | 2 | 639 tok |
| danielkremen818/claude-prompt A Claude Code slash command (/p) that rewrites your request into an optimized prompt, then | 2 | Claude Code, Codex, OpenCode | 2 | 732 tok |