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 |
|---|---|---|---|---|
| JasonColapietro/ios-app-dev-skills suedeai.ai Turn any website into an App Store-ready iOS app with free Suede Labs AI agent skills — Sw | 5 | Claude Code | 24 | — |
| arjunprabhulal/devops-skills Agent Skills for DevOps: 88 SKILL.md field guides spanning CI/CD to FinOps. Works in Claud | 5 | Claude Code, Codex, OpenCode | 2 | 2,279 tok |
| Syniox5334/apple-dev-skills Provide essential skills for Apple development, including Xcode workflows, Dash docset man | 5 | Codex, OpenCode | 1 | 1,793 tok |
| chemaoxfz/idea-to-essay Turn a research idea into a literature-grounded, tutorial-like standalone HTML essay. An A | 5 | Codex, OpenCode | 1 | 479 tok |
| GentBajko/capstone capstone.sh Your agent, on rails. Every rule decided before a line is written. Every doc read before a | 5 | Gemini CLI | 1 | 10 tok |
| rohailaltaf/claude-ableton Plugin to allow Claude to control Ableton | 5 | Claude Code | 1 | 1,604 tok |
| nicohodt/claude-code-ui-ux-skill nicohodt.github.io The open-source Claude skill for UI/UX design. 84 UI styles, 192 color palettes, 74 font p | 5 | Claude Code | 2 | 2,188 tok |
| yoheinakajima/epistemedia epistemedia.org Knowledge that can show its work: an open, federated knowledge system for humans and agent | 5 | Codex, OpenCode | 1 | 1,112 tok |
| open-edge-platform/skills Repository for Open Edge Platform Agent Skills | 5 | Claude Code, Codex | 37 | — |
| xagentAI/xagt-plugin xagt.ai OKX Agentic Wallet plugin marketplace for onchain AI agents. | 5 | Claude Code, Codex, OpenCode | 2 | 363 tok |
| X1AOX1A/Skills | 5 | Claude Code | 1 | 6 tok |
| 0101/treemon Worktree Monitor | 5 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 1,831 tok |
| salihgueler/tabletop-game-room-experience | 5 | Claude Code, Codex, Kiro | 26 | 1,716 tok |
| treylom/deep-research Research pipeline that decides depth after the evidence — source-grade weighted scoring, w | 5 | Claude Code | 1 | 2,725 tok |
| salehabbaas/resume-builder An advanced AI-powered resume builder skill for Claude (Cowork / Claude Code). Paste a job | 5 | Codex, OpenCode | 1 | 489 tok |
| vantasnerdan/substrate-framework Claim-governed, agentic workflow for substrate physics framework | 5 | Codex, OpenCode | 6 | 3,956 tok |
| dotagents-io/dotagents dotagents.io | 5 | Claude Code, Codex, OpenCode | 2 | 80 tok |
| vodoon-cell/ai-website-cloner-template-all ai-website-cloner-template | 5 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 2,437 tok |
| jwzheng96/learn-cuda-from-scratch jwzheng96.github.io Learn CUDA × LLM inference from scratch: 14-chapter Chinese tutorial + runnable CUDA C++ c | 5 | Claude Code | 1 | 1,557 tok |
| dsvi-b/corretor-enem Corretor de redação ENEM (5 competências) agnóstico de agent, calibrado em 11.147 redações | 5 | Claude Code, Codex, OpenCode | 3 | 1,416 tok |
| Lolaplex/agents-memory pypi.org Local markdown memory & cross-agent context engine for coding agents (MCP). | 5 | Claude Code, Codex, OpenCode | 2 | 1,011 tok |
| jordantcarlisle/personal-os A personal operating system powered by AI agents. Built on PARA, GTD, and Atomic Habits. | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 29 | 5,238 tok |
| HermeticOrmus/linux-sysadmin-skills A Claude Code skill bundle for Linux system administration — security, performance, diagno | 5 | Claude Code | 1 | 432 tok |
| RainFlashPoint/capital-agent-skills | 5 | Claude Code, Codex, OpenCode | 2 | 2,122 tok |
| RuloGB/compendio-mcp Compendio is an MCP server that indexes a project's markdown documentation and exposes it | 5 | Claude Code, Codex, OpenCode | 2 | 4,153 tok |
| I4cTime/q-ring qring.i4c.studio OS keychain secrets for AI coding agents, over MCP. Native vault storage (macOS Keychain, | 5 | Claude Code | 1 | — |
| nxt3d/mcp-crm | 5 | Cursor | 1 | — |
| ilovedurianhhh/ansa-mcp | 5 | Codex, OpenCode | 1 | 191 tok |
| abrookins/easy-mcp-proxy a simple MCP proxy that allows customizing sets of tools an LLM should see | 5 | Codex, OpenCode | 1 | 969 tok |
| purinzan/gx3-cli-mcp zenn.dev Trace a GX Works3 ladder without opening GX Works3 — read-only CLI + MCP server so anyone | 5 | Codex, OpenCode | 1 | 358 tok |
| sledmonkey/getflightplan | 5 | Claude Code, Codex, OpenCode | 5 | 2,218 tok |
| graysonchalmers/Tool-MaterialMaker-MCP MCP server for authoring and rendering Material Maker PBR materials from natural language | 5 | Claude Code | 1 | 1,095 tok |
| onelogin/onelogin-mcp OneLogin MCP Server | 5 | GitHub Copilot | 1 | 2,498 tok |
| fmind/dot fmind.dev AI-driven, CLI-first dotfiles for Linux & macOS — chezmoi + mise, Fish, Neovim, and a type | 5 | Claude Code, Codex, OpenCode | 6 | 1,539 tok |
| sjhorn/single_child_two_dimensional_scroll_view flutter package for a box in which a single widget can be scrolled in two dimensions | 5 | Claude Code | 10 | 834 tok |
| trilitech/octez-manager | 5 | Claude Code, Codex, OpenCode | 14 | 4,662 tok |
| antosubash/SimpleModule app.simplemodule.dev | 5 | Claude Code, Codex, OpenCode | 15 | 4,172 tok |
| upstars-global/cardona-core-service | 5 | Claude Code, Codex | 23 | 1,084 tok |
| ProjectLiminality/DreamTalk A programmatic animation library extending the ancient modality of SandTalk into the digit | 5 | Claude Code | 2 | 3,942 tok |
| 0xSoftBoi/suwappubot suwappu.bot Cross-chain DEX infrastructure for humans and AI agents — swap tokens across 14 chains via | 4 | Claude Code, Codex, OpenCode | 41 | 5,802 tok |
| Pattyboi101/indiestack indiestack.ai Dependency guardrail for AI coding agents — validates packages, catches hallucinations, 6, | 4 | Claude Code, Codex, OpenCode | 14 | 1,614 tok |
| jovandyaz/knowtis-app knowtis.app Collaborative notes with an AI that reads, edits, and studies alongside you. | 4 | Claude Code, Codex | 17 | 3,867 tok |
| semihkayan/codeweave-mcp npmjs.com MCP server that gives AI agents semantic search tool. Builds AST, call graphs, type graphs | 4 | Claude Code | 10 | 1,950 tok |
| cockroachdb/claude-plugin CockroachDB development plugin for Claude | 4 | Claude Code, Codex, OpenCode | 2 | 599 tok |
| lovablelabs/mcp | 4 | Claude Code | 1 | 976 tok |
| lusha-oss/lusha-mcp-plugin | 4 | Gemini CLI | 1 | 484 tok |
| VantaInc/vanta-mcp-plugin Official Vanta plugin for Claude Code | 4 | Claude Code, Codex, OpenCode | 1 | 294 tok |
| sumup/sumup-skills developer.sumup.com Agent Skills for teaching agents how to build with SumUp. | 4 | Gemini CLI | 1 | 361 tok |
| theYahia/hh-mcp npmjs.com MCP server for HeadHunter — vacancy search, resumes, salary stats (Russia) | 4 | Claude Code | 1 | — |
| toolkit-ai/magnet-mcp-server An MCP server for interacting with Magnet (magnet.run) | 4 | Claude Code | 9 | 507 tok |