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 |
|---|---|---|---|---|
| Endokelp/DecisionCouncil skills.sh Evidence-bound multi-agent council for Cursor and Claude Code. Scout (last30days), Advocat | 4 | Codex, OpenCode | 1 | 194 tok |
| beriktassuly/solana-audit-skill Evidence-backed Solana audit skill for Claude Code and Agent Skills: report-backed taxonom | 4 | Codex, OpenCode | 1 | 279 tok |
| TreatTrick/skill-sync treattrick.github.io ❯ Open-source desktop app to sync Claude Code, Codex, and AI agent skills across computers | 4 | Claude Code, Codex, OpenCode | 2 | 2,738 tok |
| alinotfoundbtw/sounding Governance for agent instructions: audit, score, and pin MCP servers, Agent Skills, and pr | 4 | Claude Code | 1 | 1,750 tok |
| Hongda-Zhao/bio-gene-to-reference-tree Auditable agent skill for resolving protein queries, selecting references, and planning re | 4 | GitHub Copilot | 1 | 105 tok |
| taipt1504/agent-skills Claude Code plugin for Java Spring backend — 21 skills, 9 agents, 17 hooks, TDD workflow e | 4 | Claude Code | 2 | 2,818 tok |
| Mumega-com/mcpwp-claude-plugin 🔌 Claude Code plugin for mumcp — 6 skills + wp-builder agent. Setup guide, 239 tools refe | 4 | Claude Code | 1 | 500 tok |
| punt-labs/quarry Locally hosted semantic search for AI agents. 20+ document formats, hybrid search, agent m | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 11,144 tok |
| k1lgor/virtual-company This repository contains a collection of **Agent Skills**—standardized, specialized sets o | 4 | Claude Code | 1 | 6,431 tok |
| mikececco/mastro mastrofisco.it Copilota open-source per la partita IVA in regime forfettario: calcolo imposta sostitutiva | 4 | Claude Code | 1 | 1,105 tok |
| KSEGIT/Version-Sentinel Claude Code plugin that hard-blocks dependency additions, bumps, and downgrades until a fr | 4 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 3,454 tok |
| fullymiddleaged/Clawness Claude Code & OpenClaw plugin, with a context-aware rules engine that injects only the rul | 4 | Claude Code | 2 | 17,519 tok |
| TMHSDigital/Unity-Developer-Tools tmhsdigital.github.io AI-powered development toolkit for Unity game development in Cursor IDE. 18 skills, 8 rule | 4 | Claude Code, Codex, Cursor, OpenCode | 3 | 4,818 tok |
| sj817/claude-code-plugin-hud A clean and minimal Claude Code statusline plugin/A minimal and refreshing statusline for | 4 | Claude Code | 1 | 1,758 tok |
| nexiouscaliver/OmniForge OmniForge. Because merge requests deserve more than LGTM. 3 adversarial AI agents tear apa | 4 | Claude Code | 1 | 1,845 tok |
| dceoy/ai-coding-agent-skills Agent skills for AI coders | 4 | Claude Code | 1 | — |
| braboj/solid-ai-templates Generate CLAUDE.md and AGENTS.md files from composable, SOLID-inspired templates | 4 | Claude Code | 1 | 7,112 tok |
| alanshurafa/co-evolution Structured refinement of any document between AI agents. Two agent roles bounce a file bac | 4 | Claude Code, Codex, OpenCode | 2 | 6,656 tok |
| mryll/skills Portable agent skills for AI coding agents — works with Claude Code, OpenAI Codex CLI, Gem | 4 | Claude Code, Codex, OpenCode | 2 | 352 tok |
| karthikrshet/aiskills Reusable, tool-agnostic AI engineering skills, workflows, templates, and evaluation playbo | 4 | Codex, OpenCode | 1 | 979 tok |
| abk1969/ai-act-skills Multi-platform agent skills (Claude Code + Gemini CLI + OpenAI Codex) for EU AI Act compli | 4 | Codex, Gemini CLI, OpenCode | 2 | 1,993 tok |
| SathiaAI/graphsmith graphsmith.ai Build AI agent workflows that survive crashes, never duplicate work, and don't make things | 4 | Codex, GitHub Copilot, OpenCode | 2 | 4,786 tok |
| broomva/skills skills.sh Broomva agent-skills monorepo — 48 Tier-2 skills compatible with Claude Code, Codex, Curso | 4 | Codex, OpenCode | 1 | 402 tok |
| gw0/docker-claude-code Dockerized Claude Code Sandbox | 4 | Claude Code | 1 | 894 tok |
| reuvenaor/israel-statistics-mcp Israel Statistics MCP | 4 | Claude Code | 8 | 1,451 tok |
| Xuuuuu04/zhishu Zhishu · Multi-Agent AI Terminal — centrally manage multi-session programming terminals fo | 4 | Claude Code | 1 | 3,424 tok |
| jeffreytse/grimoire-core grimoire.jeffreytse.net 🧙 Official best-practice skill library for grimoire — 1000+ skills across engineering, te | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,494 tok |
| xsolla/xsolla-ai-kit xsolla.com Xsolla agent skills for AI coding tools — Claude Code, Copilot, Codex CLI, Windsurf and mo | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,733 tok |
| ootLabs/OCWIP-grant-competitions Platforma do obslugi konkursow dotacyjnych OCWIP: ogloszenie naboru, skladanie wnioskow, o | 4 | Claude Code, Codex, OpenCode | 4 | 3,219 tok |
| laith-wallace/crisp Design Intelligence for AI Agents | 4 | Claude Code | 25 | — |
| ootLabs/bilingers-knowledge-base | 4 | Claude Code, Codex, OpenCode | 3 | 1,708 tok |
| hmcts/agentic-plugins-marketplace Configuration, prompts, and workflows for using Claude Code as an AI coding agent. | 4 | Claude Code | 2 | 3,081 tok |
| n24q02m/claude-plugins mcp.n24q02m.com Claude Code plugin marketplace for the n24q02m MCP servers -- install web search, memory, | 4 | Claude Code, Codex, OpenCode | 2 | 1,442 tok |
| huskar20/huskar20-plugins A community marketplace of Claude plugins — install skills, agents, and automations into C | 4 | Claude Code | 1 | 1,479 tok |
| OfficialBoomi/bc-marketplace Boomi Companion: Claude plugin for the boomi-marketplace skill | 4 | Claude Code | 1 | 279 tok |
| xentivo/claude-plugins Pluginy dla claude code | 4 | Claude Code | 1 | 1,586 tok |
| pyrex41/skill-manager | 4 | Claude Code | 7 | 1,333 tok |
| Aiyo28/memento-os ayal.tech Claude Code plugin for persistent AI memory. Store conclusions, not notes. OODA-driven rea | 4 | Claude Code, Codex, OpenCode | 1 | 1,157 tok |
| Dallionking/ui-validation-kit Drop-in UI validation for any CLI coding agent — iOS Simulator, Android emulator, and web. | 4 | Codex, OpenCode | 1 | 843 tok |
| dwgx/blender-copilot Blender MCP server for AI 3D creation, automation, and VRChat avatar workflows | 4 | Claude Code | 1 | 2,720 tok |
| Fandhe-AI/agent-reference-skills | 4 | Claude Code, Codex, OpenCode | 28 | 15,311 tok |
| learnwy/skills collect and create my own skills | 4 | Claude Code, Codex, OpenCode | 2 | 5,245 tok |
| sentimony/skills | 4 | Claude Code, Codex, OpenCode | 2 | 1,983 tok |
| novuhq/skills novu.co Novu Skill Set for AI Agents | 4 | Codex, OpenCode | 1 | 1,470 tok |
| MageGojo/conch R-Shell: a Rust command-line SSH workspace — saved connections, remote exec, interactive s | 4 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 1,654 tok |
| hktari/toshl-mcp-server MCP server for integrating Toshl Finance with AI agents via the Model Context Protocol | 4 | Claude Code, Windsurf | 2 | 1,031 tok |
| merakimiles/mcp-server Meraki MCP Sever | 4 | Codex, OpenCode | 1 | 767 tok |
| mizchi/lighthouse-mcp | 4 | Claude Code | 2 | 2,170 tok |
| sandraschi/windows-operations-mcp Windows system administration via MCP — services, registry, accounts, event logs, networki | 4 | Claude Code, Codex, Cursor, OpenCode | 3 | 865 tok |
| JasonBates/rescuetime-mcp | 4 | Claude Code, Codex, OpenCode | 2 | 446 tok |