43,695 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 agents7,622Claude Code6,647Data and AI3,678Backend and APIs3,504Languages3,404Planning3,218Git and workflow3,203Code review2,744Testing2,378Memory and context2,367Writing and docs2,318DevOps and cloud2,312Research2,291Frontend2,259Security2,027Productivity1,717
All Claude Code32,008 Codex23,279 OpenCode22,224 GitHub Copilot3,555 Gemini CLI1,920 Cursor1,736 Windsurf139 Kiro81
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| ariushieu/claudecode-spring-rules Bộ quy tắc làm việc dành cho Claude Code khi phát triển dự án Spring Boot. | 3 | Claude Code | 1 | 1,353 tok |
| Bokai-Zhao/Pathology-Wiki | 3 | Claude Code | 6 | 8,365 tok |
| DanilZherebtsov/knowledge-base-constructor | 3 | Claude Code | 2 | 648 tok |
| rafaelmmiller/Claude-Socratic Learning skills for Claude | 3 | Claude Code | 1 | 705 tok |
| MithunWijayasiri/dotclaude mithunwijayasiri.github.io My Claude Code setup & Skills. | 3 | Claude Code | 1 | 374 tok |
| omrastogi/resume_builder Workflow to tailor resume according to the JD | 3 | Claude Code | 1 | 1,603 tok |
| lleeeuuuuanchik/yandex-games-template Template for creating browser games for Yandex Games (Vanilla JS + Canvas + Yandex SDK) | 3 | Claude Code | 1 | 2,859 tok |
| simular-ai/simulang-js | 3 | Claude Code | 1 | 1,762 tok |
| aliafsahnoudeh/figma-to-code-claude-pipeline | 3 | Claude Code | 3 | 1,133 tok |
| Joker1796/wh-rules.ru wh-rules.ru WH Rules — bilingual EN/RU Warhammer 40k 11th ed rules reference, army list builder and of | 3 | Claude Code | 6 | 2,177 tok |
| krahets/krahets.github.io krahets.com Personal website of Yudong Jin (@krahets) | 3 | Claude Code, Codex, OpenCode | 2 | 3,204 tok |
| bsy/exo-brain | 3 | Claude Code | 1 | 511 tok |
| charlesapetersen/Archive-Suite Three native macOS apps for turning shelves of historical documents into a searchable, rea | 3 | Claude Code, Codex, OpenCode | 6 | 12,548 tok |
| dawamr/Cursor-Rules-Awesome Cursor Rules Awesome is a VS Code extension that enhances your experience with Cursor AI, | 3 | Cursor | 1 | 644 tok |
| l1anch1/VibePoster VibePoster: Editable Posters, Powered by Multi-Agent AI and Knowledge Augmentation | 3 | Claude Code | 1 | 1,900 tok |
| atmosware/cognia-agents | 3 | Claude Code, Codex, OpenCode | 33 | 794 tok |
| Farzannajipour/cursor-react-rules Production-ready Cursor AI rules and commands for React + Next.js developers | 3 | Cursor | 1 | 785 tok |
| fluttersdk/ai Teach your AI assistant Wind UI, Magic Framework and more, across every major coding tool. | 3 | Claude Code, GitHub Copilot | 2 | 1,674 tok |
| atmosware/praxia-agents | 3 | Claude Code, Codex, OpenCode | 27 | 1,771 tok |
| nassimna/karpathy-guidelines Cross-agent Karpathy-inspired behavioral guidelines for Claude Code, Codex, Cursor, and Ge | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,564 tok |
| lazysheep-z/apdr-product-design-runtime AI Product Design Runtime by Joker — from requirements to frontend code, powered by 5 MCP | 3 | Codex, OpenCode | 1 | 514 tok |
| vepo/contraponto blogs.commit-mestre.dev Self-hostable multi-author blog platform built with Quarkus, HTMX, and PostgreSQL. Per-use | 3 | Claude Code, Codex, Cursor, OpenCode | 22 | 3,706 tok |
| Da7-Tech/trial Pre-delivery evidence gate for 12 AI coding agents: unsupported completion claims stay pri | 3 | GitHub Copilot | 1 | 657 tok |
| Brainy-Builds/ts-inspect-cli A read-only TypeScript semantic inspection CLI built on ts-morph | 3 | Claude Code, Codex, OpenCode | 2 | 1,488 tok |
| NAME0x0/HyMarkX npmjs.com Markdown-compatible language that progressively becomes a web application. CommonMark + GF | 3 | Claude Code, Codex, OpenCode | 3 | 1,348 tok |
| systemfsoftware/constitution systemfsoftware.com The engineering constitution for unbreakable software — functional core / imperative shell | 3 | Claude Code, Codex, OpenCode | 2 | 1,468 tok |
| mturac/skill-hunter Pre-execution layer that makes agents check for existing skills before building from scrat | 3 | Claude Code, Codex, OpenCode | 2 | 1,477 tok |
| brovar/10x-pentest 10x pentest workflow build on agentic skills | 3 | Claude Code, Codex | 20 | — |
| Rodrigonavarro23/cliplin cliplin.dev AI Feature Centric Spec Driven Development Framework | 3 | Claude Code | 5 | — |
| chkhm/simu docs.rs Discrete-event simulation for Rust, inspired by SimPy — async executor, resources, Monte C | 3 | Claude Code | 1 | 3,437 tok |
| Enovatr-Labs/SpecRoute Open source framework for spec-driven agentic software engineering. PRDs, prompts, agents, | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 7 | 3,090 tok |
| dakimura/guff A blazing-fast golangci-lint compatible Go linter | 3 | Codex, OpenCode | 1 | 200 tok |
| CiscoDevNet/mcp_server_cisco_aci_community MCP Server for Cisco ACI | 3 | Codex, OpenCode | 1 | 2,721 tok |
| Dwolla/dwolla-mcp npmjs.com MCP Server for Dwolla API | 3 | Claude Code | 1 | 1,447 tok |
| SuperWangYuan/toutiaohao-mcp-server EN: An MCP server and HTTP API powered by Go and go-rod for automated Toutiao (ByteDance) | 3 | Codex, OpenCode | 1 | 6,482 tok |
| chemrich/cabineteer Parametric cabinet design toolkit with MCP server — cutlist, evaluation, and 3D visualizat | 3 | Claude Code | 2 | 17,505 tok |
| sharpninja/McpServer sharpninja.github.io | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 6,651 tok |
| stackrox/stackrox-mcp StackRox MCP server | 3 | Claude Code | 1 | — |
| PLAID-lib/plaid-mcp-server MCP server for converting datasets | 3 | Codex, OpenCode | 1 | 1,205 tok |
| goransmoljanovic015-cell/capcut-mcp-server MCP server that lets Claude drive CapCut/Jianying video editing via the local VectCutAPI H | 3 | Claude Code | 1 | 1,087 tok |
| armchairdeity/mcp-server-scpi The Python-powered SCPI/VISA hardware instrument interface for the Model Context Protocol. | 3 | Claude Code | 2 | — |
| Leonezz/obsidian-mcp-server | 3 | Claude Code | 1 | 2,183 tok |
| lowspeclabs/Proxmox-Manager-Agent-Skill Opensource Agent Skills | 3 | Codex, OpenCode | 1 | 1,728 tok |
| tomazb/agent-skills A repository of useful agent skills | 3 | Codex, OpenCode | 1 | 2,517 tok |
| lucsedirae/agent_skill_library A library of Claude skills | 3 | Codex, OpenCode | 1 | 178 tok |
| SerenecoTech/agent-skills Agent plugins, skills and hooks: adversarial code review with Codex, session handoff, and | 3 | Claude Code | 1 | — |
| msobczyk-x/agent-skills Cross-agent coding skills for simplifying diffs, refactoring, pragmatic reviews, and plann | 3 | Codex, OpenCode | 1 | 966 tok |
| sajeetharan/angular-agent-kit sajeetharan.github.io A collection of skills for AI coding agents working with Angular. Skills are packaged inst | 3 | Codex, OpenCode | 1 | 689 tok |
| docevilOck/agent-skills-hook | 3 | Codex, OpenCode | 1 | 445 tok |
| frowang-ai/paper-agent-skills | 3 | Codex, OpenCode | 1 | 642 tok |