23,733 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 agents8,505Claude Code6,886Git and workflow3,611Data and AI3,580Backend and APIs3,556Languages3,487Planning3,327Code review2,899Testing2,686Writing and docs2,480DevOps and cloud2,479Memory and context2,375Research2,323Frontend2,308Security2,172Project management1,965
All Claude Code32,517 Codex24,815 OpenCode23,733 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,770 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| OutSystems/outsystems-mcp Plugins for the OutSystems remote MCP. | 44 | Claude Code, Codex, OpenCode | 1 | 8,346 tok |
| madebypan/FigCC Figma design agent powered by the local Codex CLI and App Server bridge | 44 | Claude Code, Codex, OpenCode | 2 | 1,939 tok |
| striderZA/Tiny-RF-Simulator Modular RF signal chain simulator with real-time spectrum display. Design cascades of ampl | 44 | Claude Code, Codex, OpenCode | 2 | 3,442 tok |
| goccy/sheena A lightweight, in-process sandbox for safely executing the tool calls an AI agent requests | 44 | Claude Code, Codex, OpenCode | 2 | 2,052 tok |
| AgentsORG/design-engineering skills.sh Design engineering for AI agents: a skill graph, 13 agents that loop (with a cross-model d | 44 | Claude Code, Codex, OpenCode | 1 | 8,422 tok |
| zoeynine/Local-Codex-Bridge A lightweight Windows bridge that lets ChatGPT invoke native Codex sessions on the local m | 44 | Codex, OpenCode | 1 | 3,588 tok |
| Nikita3005/taintgate Provenance-aware runtime security for AI agents with deterministic ALLOW / REVIEW / BLOCK | 44 | Codex, OpenCode | 1 | 259 tok |
| bbc/bug bbc.github.io Started life at BBC News - BUG enables control and monitoring of broadcast kit from a sing | 44 | Codex, OpenCode | 1 | 1,284 tok |
| blpsoares/agentistics agentistics.openvibes.tech | 44 | Claude Code, Codex, OpenCode | 8 | 1,346 tok |
| litestar-org/litestar-fullstack-inertia inertia.fullstack.litestar.dev A fully-functional reference application using Litestar, Inertia JS, and Advanced Alchemy | 44 | Claude Code, Codex, Gemini CLI, OpenCode | 15 | 1,919 tok |
| nzh63/syc nzh63.github.io Optimizing compiler for SysY (C subset) | 44 | Codex, OpenCode | 1 | 2,191 tok |
| jonigata/FramePlanner2 | 44 | Claude Code, Codex, OpenCode | 5 | 2,265 tok |
| tensorbee/rdocx | 44 | Claude Code, Codex, OpenCode | 51 | 4,266 tok |
| kprompt/kprompt kprompt.ai The AI Runtime for Kubernetes | 44 | Codex, Cursor, OpenCode | 4 | 1,163 tok |
| A3RDLab/LLM-dev-demo Hands-on examples for LLM application development, including agents, RAG, MCP, structured | 43 | Codex, OpenCode | 1 | 1,682 tok |
| BloomBooks/BloomDesktop bloomlibrary.org Let's Grow a Library | 43 | Claude Code, Codex, OpenCode | 20 | 2,503 tok |
| Heratiki/locallama-mcp An MCP Server that works with Roo Code/Cline.Bot/Claude Desktop to optimize costs by intel | 43 | Claude Code, Codex, GitHub Copilot, OpenCode | 11 | 10,952 tok |
| DeliciousBuding/xiaohongshu-skill deliciousbuding.github.io Xiaohongshu & RedNote skill for AI agents — search, read notes, publish, and run approval- | 43 | Codex, OpenCode | 1 | 466 tok |
| atomchung/ccstory pypi.org Claude Code usage recap with narrative. ccusage tells you the bill, ccstory tells the stor | 43 | Claude Code, Codex, OpenCode | 2 | 981 tok |
| snoozbuster/is-smm-beaten-yet Webapp for the SMM1 Team 0% project | 43 | Codex, OpenCode | 1 | 289 tok |
| Praeviso/crawl4weibo An out-of-the-box Weibo scraper Python library, based on a successfully tested solution, u | 43 | Claude Code, Codex, OpenCode | 2 | 2,382 tok |
| dvcol/neo-svelte dvcol.github.io Neomorphic ui library for svelte 5 | 43 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 5,143 tok |
| remorses/gitchamber gitchamber.com Download GitHub repos locally. opensrc alternative that does not edit your AGENTS.md | 43 | Codex, OpenCode | 1 | 93 tok |
| kathrynwu/GTMbrain Help you with GTM, based on lessons from myself and other yc founders | 43 | Claude Code, Codex, OpenCode | 22 | 3,293 tok |
| bintaozhan-hub/personalized-interactive-learning | 43 | Claude Code, Codex, OpenCode | 2 | 3,736 tok |
| lifangda/claude-plugins Install carefully refined workflows, commands, agents, MCP servers, and hooks with a singl | 43 | Claude Code, Codex, OpenCode | 10 | 4,570 tok |
| glory-rs/glory glory.taidge.org An experimental rust web front framework | 43 | Codex, OpenCode | 1 | 16,897 tok |
| jescrich/nestjs-workflow NestJS Workflow Module | 43 | Codex, GitHub Copilot, Cursor, OpenCode | 3 | 1,687 tok |
| alchemiststudiosDOTai/kb-claude Knowledge base Claude application | 43 | Claude Code, Codex, OpenCode | 2 | 1,638 tok |
| lessthanseventy/excessibility hexdocs.pm Accessibility snapshot testing for Phoenix LiveView - capture HTML during tests, run Pa11y | 43 | Claude Code, Codex, OpenCode | 2 | 6,662 tok |
| go-appsec/toolbox Collaborative application security testing between humans and agents via CLI and MCP | 43 | Claude Code, Codex, OpenCode | 2 | 6,829 tok |
| cagataycali/devduck dev.duck.nyc Minimalist AI agent that fixes itself when things break. | 43 | Codex, OpenCode | 1 | 1,592 tok |
| alti3/stk-mcp An MCP server allowing LLMs to interact with Ansys/AGI STK - Digital Mission Engineering S | 43 | Codex, OpenCode | 1 | 288 tok |
| pamelafox/github-copilot-mcp-tutorial 2 hour MCP tutorial focusing on GitHub Copilot | 43 | Codex, OpenCode | 1 | 60 tok |
| kubevirt/kubevirt-tekton-tasks VM specific tasks for Tekton Pipelines | 43 | Codex, Cursor, OpenCode | 2 | 1,374 tok |
| nexpeakcore/deepseek-harness-pr-review nexpeakcore.github.io AI code review with DeepSeek: headless PR review automation that verifies PR descriptions | 43 | Codex, OpenCode | 1 | 572 tok |
| AEON-7/Qwen3.6-27B-AEON-Ultimate-Uncensored-MLX Native MLX quants of Qwen3.6-27B-AEON-Ultimate-Uncensored for Apple Silicon (Metal): 8-bit | 43 | Codex, OpenCode | 1 | 7,457 tok |
| bearlike/Assistant docs.mewbo.com 🌼 AI stack centered on an agent hypervisor. Automates tasks, graph-powered repo wiki, and | 43 | Claude Code, Codex, OpenCode | 3 | 6,797 tok |
| majiayu000/vibeguard majiayu000.github.io Rust CLI with scoped review rules, native Bash and Git hooks, and installation diagnostics | 43 | Codex, OpenCode | 1 | 486 tok |
| Galileo-Agent-Labs/eval-engineer galileo.ai Bring Galileo powered eval workflows into Claude Code and Codex. | 43 | Codex, OpenCode | 1 | 1,930 tok |
| Azure/containerization-assist | 43 | Claude Code, Codex, OpenCode | 2 | 435 tok |
| RealTimeLogic/LSP-Examples Lua modules and examples, including IoT/Cloud connectivity | 43 | Codex, OpenCode | 1 | 4,937 tok |
| hjsh200219/fortuneteller | 43 | Claude Code, Codex, OpenCode | 2 | 1,797 tok |
| ara3d/ara3d-sdk ara3d.com 📚 Various C# libraries for efficient data driven applications | 43 | Claude Code, Codex, OpenCode | 2 | 4,531 tok |
| FouadMagdy01/RNCopilot Production-ready React Native Expo starter template with auth, theming, i18n, and 33+ UI | 43 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 7 | 11,654 tok |
| hyperb1iss/git-iris hyperb1iss.github.io An intelligent agent that understands your code and crafts perfect Git artifacts | 43 | Claude Code, Codex, OpenCode | 2 | 5,511 tok |
| JJ110112/LiveChord | 43 | Claude Code, Codex, OpenCode | 2 | 18,087 tok |
| ravsau/ai-tutorials youtube.com code and files that accompany cloudyeti ai tutorials | 43 | Codex, OpenCode | 1 | 906 tok |
| foyzulkarim/skills Personal Claude Code plugin marketplace | 43 | Claude Code, Codex, OpenCode | 2 | 7,165 tok |
| beixiyo/vsc-lsp-mcp Expose VS Code language intelligence to AI agents via MCP, with automatic routing across m | 43 | Codex, OpenCode | 1 | 1,652 tok |