23,799 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 agents8,544Claude Code6,892Git and workflow3,622Data and AI3,580Backend and APIs3,558Languages3,492Planning3,321Code review2,907Testing2,690DevOps and cloud2,489Writing and docs2,484Memory and context2,374Research2,321Frontend2,311Security2,178Project management1,971
All Claude Code32,539 Codex24,879 OpenCode23,799 GitHub Copilot3,723 Gemini CLI2,040 Cursor1,772 Windsurf202 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| otrebu/all-agents | 2 | Claude Code, Codex, OpenCode | 41 | 204 tok |
| mrnasil/pnpm-manager PNPM Manager | 2 | Claude Code, OpenCode | 2 | 541 tok |
| umpire-tools/umpire ⚾️ Reactive derived state for forms and apps with interdependent options. Get your app to | 2 | Claude Code, Codex, OpenCode | 2 | 1,346 tok |
| minchieh-fay/god | 2 | Claude Code, Codex, OpenCode | 4 | 120 tok |
| ihabkhaled/NextRanger Strict Next.js engineering OS for scalable frontend apps with architecture guardrails, mod | 2 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 4 | 5,397 tok |
| GrayCodeAI/starling Community skill packages for hawk, the AI coding agent. 12,000+ modular instruction packag | 2 | Claude Code, Codex, OpenCode | 2 | 1,800 tok |
| BilLogic/design-harnessing-kit billogic.github.io | 2 | Claude Code, Codex, OpenCode | 8 | 26 tok |
| meta-quest/horizon-platform-sdk-samples Sample Android applications demonstrating how to integrate the Meta Horizon Platform SDK f | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode, Windsurf | 9 | 1,043 tok |
| jefftindall/broadway-portfolio Elyse's Broadway portfolio site | 2 | Claude Code, Codex, OpenCode | 3 | 6,012 tok |
| ssheld/agent-vault Template repo for bootstrapping a per-project agent-vault with shared AI-agent rules, revi | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 5,225 tok |
| SpillwaveSolutions/image_gen Image generation skill that uses Gemini Banana to generate images. | 2 | Claude Code, Codex, OpenCode | 2 | 585 tok |
| exponen-agi/recursive-agentic-improvements exponen-agi.github.io Three Claude Code slash commands — /create-agent, /improve-agent, /extend-agent — that res | 2 | Claude Code, Codex, OpenCode | 2 | 6,338 tok |
| markes76/canopy The layer above your AI stack — manage MCPs, skills, plugins & hooks across Claude Code, C | 2 | Claude Code, Codex, OpenCode | 8 | 9,720 tok |
| abdshomad/ocr-arena | 2 | Claude Code, Codex, OpenCode | 2 | 837 tok |
| rtorcato/repo-tooling docs.torcato.dev Stop configuring tools. One CLI to scaffold, audit, and fix a repo's toolchain — linting, | 2 | Claude Code, Codex, OpenCode | 2 | 2,815 tok |
| sdcorejs/sdcorejs-agent Portable SDLC skill pack for AI coding agents, with generated mirrors for Claude Code, Cod | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 7,926 tok |
| Npuls-OKx/meta Repository waarin de OKx visie op onderwijskundige en logistieke aspecten uiteen gezet wor | 2 | Claude Code, Codex, Cursor, OpenCode | 40 | 4,246 tok |
| christiansalazar-wk/ai-lore Central infrastructure hub for the company's shared AI logic, model configurations, agent | 2 | Codex, OpenCode | 1 | 1,234 tok |
| NeelPrime/arbiterx neelprime.github.io Your AI writes code. ArbiterX decides if it's good enough. Intelligent middleware for AI c | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 773 tok |
| ddggkkcc/industry-intelligence-researcher 🌏 Evidence-led, sector-agnostic industry research methodology for AI coding agents (Codex | 2 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 3,988 tok |
| smallinaUCSD/growth-percentile-skill | 2 | Claude Code, Codex, OpenCode | 2 | 998 tok |
| Effulgent-Point/paw Personal Agent Workflows — an AI SDLC starter kit with 18 agents, 7 skills, 4 hooks, 6 rul | 2 | Claude Code, Codex, OpenCode | 2 | 1,584 tok |
| Sumatoshi-tech/prompts Prompts which we use in day-to-day coding | 2 | Codex, OpenCode | 1 | 2,852 tok |
| sofiahernandes/margaret Margaret is the developer's all-in-one engineering plugin: the one you reach for after you | 2 | Codex, OpenCode | 1 | 550 tok |
| fiber-ai/fiber-ai-plugin MCP servers, skills, hooks, and slash commands into a single installable unit | 2 | Codex, OpenCode | 1 | 2,343 tok |
| tatuke/agent-switch Portable AI agent persona, identity, work principles, and safety protocol transfer system. | 2 | Claude Code, Codex, OpenCode | 2 | 649 tok |
| Bonhollow/agentforge Universal CLI to manage, sync and export AI agents, prompts and skills across every coding | 2 | Claude Code, Codex, Cursor, OpenCode | 5 | 86 tok |
| SrulyRosenblat/skill-cards | 2 | Claude Code, Codex, OpenCode | 2 | 2,357 tok |
| codysumpter-cloud/buddy-universal-agent-profile Buddy Universal Agent Profile (BUAP) - portable agent behavior standard for the Prismtek/B | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 13 | 4,523 tok |
| DillonRich/Agent-Efficiency-MCP npmjs.com Local BYOK MCP. Rewrite messy IDE prompts into Agent_Efficiency_MCP.md, freeze until GO. A | 2 | Codex, OpenCode | 1 | 450 tok |
| taotao135791-bit/gsap-transform | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 17 | 6,795 tok |
| azacdev/knowledge-agent-template | 2 | Claude Code, Codex, OpenCode | 6 | 558 tok |
| rhyanvargas/agentic-development-starter-kit Cursor Agent Documents to ground the AI Coding Agent | 2 | Claude Code, Codex, Cursor, OpenCode | 15 | 1,390 tok |
| npatten/Clew Clew - CLI, local, fast issue tracking for agents. | 2 | Claude Code, Codex, OpenCode | 2 | 1,728 tok |
| CoderSufiyan/plainspeak npmjs.com Make AI agents write like a person, not a bot. | 2 | Codex, GitHub Copilot, OpenCode | 2 | 2,146 tok |
| Omerfaruk-aydn/sitecloner omerfarukaydn.com Pixel-perfect website cloning powered by AI — animations, videos, fonts and all | 2 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 5 | 4,389 tok |
| lordmos/meridian lordmos.github.io A reusable open-source Agent project operations toolkit. Given any open-source Agent proje | 2 | Claude Code, Codex, OpenCode | 2 | 2,076 tok |
| ferdinandruthben12-dotcom/535-skills | 2 | Codex, OpenCode | 1 | 475 tok |
| shiiman/dotfiles | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 8 | 5,810 tok |
| RobLovesTech/AgenticFlyWheel | 2 | Codex, OpenCode | 1 | 660 tok |
| Jacoby6000/Smithplates Scalate SSP template based code generation using Smithy 2.0 specifications | 2 | Codex, OpenCode | 1 | 2,580 tok |
| dalonsogomez/braid-kg Proyecto que analiza de manera completa, extensa, detallada y exhaustiva cualquier directo | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 9,075 tok |
| deggertsen/bondfires Video sharing social app - React Native + Expo + Convex + Tamagui | 2 | Claude Code, Codex, OpenCode | 2 | 1,116 tok |
| DhvajPatel/Agency-AI-Agents | 2 | Claude Code, Codex, OpenCode | 2 | 8,527 tok |
| FluroAsh/nextjs-mdx-portfolio ashleygthompson.com Latest & greatest MDX blog making the most of Contentlayer, MDX, Next 16, React 19 & Tailw | 2 | Claude Code, Codex, Cursor, OpenCode | 3 | 488 tok |
| luizfelipedm/yggdrasil Portable context-economy kit for coding agents: a graph-derived PROJECT_MAP, an output wra | 2 | Claude Code, Codex, OpenCode | 1 | 1,634 tok |
| SilenceInsect/AIDocxWorkFlow | 2 | Claude Code, Codex, Cursor, OpenCode | 21 | 1,861 tok |
| merianro/hackitba-2026 hackitba-2026.vercel.app | 2 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| jaqb8/language-learning-buddy language-learning-buddy.pl Your AI buddy for flawless English (and Polish) ✍️ | 2 | Claude Code, Codex, OpenCode | 4 | 248 tok |
| Kinneyzhang/source-faithful-summary-skill Agent skill for source-faithful summaries of text, video transcripts, and audio transcript | 2 | Claude Code, Codex, OpenCode | 2 | 676 tok |