23,196 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 agents7,571Claude Code6,627Data and AI3,684Backend and APIs3,492Languages3,401Planning3,221Git and workflow3,179Code review2,740Testing2,368Memory and context2,365Writing and docs2,309DevOps and cloud2,308Research2,298Frontend2,256Security2,015Productivity1,715
All Claude Code31,984 Codex23,196 OpenCode22,145 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,736 Windsurf133 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| bharathgnana/archdiagram Turn an architecture spec into editable diagrams with official vendor service icons (Azure | 3 | Claude Code, Codex, OpenCode | 2 | 1,287 tok |
| anhnguyen0905/codex-mcp | 3 | Claude Code, Codex, OpenCode | 3 | 850 tok |
| smallpinksquare/codex-history-hub A local-first, source-read-only aggregator for Codex conversations. It indexes one or more | 3 | Codex, OpenCode | 1 | 244 tok |
| ljy9303/maplestory-mcp-server Nexon openAPI Maplestory mcp server | 3 | Claude Code, Codex, OpenCode | 2 | 6,508 tok |
| Unveil-gg/twine-mcp Unofficial MCP server for Twine | 3 | Codex, OpenCode | 1 | 219 tok |
| clay-good/roughlogic.com roughlogic.com Always free field math and reference for the trades. | 3 | Claude Code, Codex, OpenCode | 2 | 1,304 tok |
| S2mon123/FEP-Agent-Hub Evidence-first FreeCAD, Elmer FEM, and ParaView MCP automation stack with verified CAE wor | 3 | Codex, OpenCode | 1 | 221 tok |
| Doist/twist-ai The tools required for a Twist MCP server | 3 | Codex, OpenCode | 1 | 419 tok |
| MCLifeLeader/seq-mcp Seq Open Telemetry MCP Server | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 9,462 tok |
| Grinv/mal-mcp npmjs.com MyAnimeList MCP server — Tenrai-powered reads plus official MAL personal-list management. | 3 | Claude Code, Codex, OpenCode | 10 | 3,382 tok |
| charistas/posokanei-mcp Unofficial read-only MCP server for PosoKanei, exposing Greek supermarket product search, | 3 | Codex, OpenCode | 1 | 779 tok |
| cyanheads/ensembl-mcp-server npmjs.com Look up genes, fetch sequences, predict variant consequences, find orthologs and cross-dat | 3 | Claude Code, Codex, OpenCode | 2 | 12,126 tok |
| davidmosiah/strava-mcp wellness.delx.ai MCP server for Strava — bring your activities, segments, athlete data, and training histor | 3 | Codex, OpenCode | 1 | 152 tok |
| davidmosiah/oura-mcp wellness.delx.ai Local-first MCP server for Oura Ring readiness, sleep, HRV — Claude/Cursor/ChatGPT ready | 3 | Codex, OpenCode | 1 | 145 tok |
| ericlovold/sanction getsanction.com Agent wallet, credential vault, and governance layer for autonomous AI agents | 3 | Claude Code, Codex, OpenCode | 18 | 5,408 tok |
| nifrajs/nifra nifra.dev Full-stack TypeScript framework built for AI agents: typed server and client with no codeg | 3 | Claude Code, Codex, OpenCode | 2 | 2,352 tok |
| illodev/workfile workfile.illodev.com Repository-native Work, Docs, History and durable Memory for humans and AI agents — Markdo | 3 | Claude Code, Codex, OpenCode | 11 | 550 tok |
| sena-labs/OzBridge marketplace.visualstudio.com Bring Warp™ Oz™ to any IDE or agent via MCP — plus native @oz in VS Code Copilot Chat. OzB | 3 | Claude Code, Codex, OpenCode | 8 | 607 tok |
| ckorhonen/swe-skills cdd.dev Claude Code skills for on-demand engineering work — PR risk review, repo introspection, au | 3 | Claude Code, Codex, OpenCode | 2 | 548 tok |
| SecretRichGarden/openAlex-mcp openAlex MCP tools | 3 | Claude Code, Codex | 4 | — |
| Sjrazaviebra/le-cabinet Neuf roles IA en droit, fiscalite, financement et patrimoine francais. Entreprise et vie p | 3 | Codex, OpenCode | 1 | 1,466 tok |
| Cailiang/AgentDock Beginner-friendly desktop hub for AI coding clients, providers, Skills, and MCP | 3 | Codex, OpenCode | 1 | 287 tok |
| CoffeeCheese/easy-prd-testing PRD- and prototype-driven automated testing Skills for AI coding tools such as Codex and C | 3 | Codex, OpenCode | 1 | 620 tok |
| PhilRobinluo/ai-coevolution-skills Reusable capability packs for human-AI co-evolution in real work | 3 | Codex, OpenCode | 1 | 754 tok |
| smileynet/teach-me Learn any topic through AI-generated lessons, diagrams, quizzes, and spaced repetition. | 3 | Claude Code, Codex, Kiro, OpenCode | 5 | 12,418 tok |
| ssheleg/make-skill skills.sshlg.me Create, audit, package, validate, and publish Agent Skills and Claude Code plugins across | 3 | Codex, OpenCode | 1 | 27 tok |
| xusnitdinov/uzbek-humanizer npmjs.com uzbek-humanizer - Agent Skill that makes AI sound like it actually speaks Uzbek (Latin) | 3 | Codex, OpenCode | 1 | 939 tok |
| DivyeshJayswal/minimalist Makes AI agent produce less code, fewer unnecessary steps, fewer tokens spent for the same | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,590 tok |
| tonydzi/claw-consensus Run AI agents across machines without state drift: consensus protocol (propose/counter/acc | 3 | Codex, OpenCode | 1 | 979 tok |
| 6Kmfi6HP/avoid-overkill Reduce defensive programming issues in GPT-5.6 models — keep engineering & paper writing p | 3 | Codex, OpenCode | 1 | 125 tok |
| alifanov/darkflow AI workflow installer: 5-layer docs structure + GitHub Issues triage loop for Claude Code | 3 | Claude Code, Codex, OpenCode | 3 | 1,573 tok |
| Kodaxadev/Task-Anchor-MCP kodaxa.dev ADHD executive function enforcement for Claude Desktop. An MCP server with task locking, d | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,561 tok |
| designservice/lazy-english-reader.skill Turn English books into Chinese translations with one click + Obsidian chapter study notes | 3 | Codex, Gemini CLI, OpenCode | 2 | 172 tok |
| Aaryan-Kapoor/degreeworks-cli Read-only DegreeWorks CLI that lets an AI agent build your exact KSU semester schedule — r | 3 | Claude Code, Codex, OpenCode | 3 | 3,984 tok |
| IvanMurzak/ai-game-dev-plugin ai-game.dev Claude Code plugins for AI game development — Unreal, Unity & Godot. Let Claude create a p | 3 | Codex, OpenCode | 1 | 837 tok |
| kw1jjang/academic-homepage-cv-sync One YAML source of truth for an academic homepage (Jekyll/GitHub Pages) and a LaTeX CV, so | 3 | Claude Code, Codex, OpenCode | 2 | 3,609 tok |
| MGrin/bb-plugin-system Live system overview inside bb — CPU, memory, disk and top processes as a panel, homepage | 3 | Claude Code, Codex, OpenCode | 2 | 795 tok |
| wei-wei-hu/life-designer-pro linkedin.com AI life-design coach for Claude Code and Codex. Find the question under your career and li | 3 | Claude Code, Codex, OpenCode | 2 | 267 tok |
| moabualruz/fulcrum Local-first Agent OS — project management, agent orchestration, docs, memory, and develope | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 5,706 tok |
| chahat1709/professional-game-developer.skill Universal Professional Game Developer skill for coding agents — Unreal, Unity, Godot, Robl | 3 | Claude Code, Codex, OpenCode | 2 | 307 tok |
| the-sid-dani/second-brain-os PARA second-brain OS for Claude Code — fork, /bootstrap, done. | 3 | Claude Code, Codex, OpenCode | 43 | 3,401 tok |
| IsaacEryn/humanizer-ko A Claude Code agent skill that removes signs of AI-generated writing from Korean text. Det | 3 | Claude Code, Codex, OpenCode | 2 | 949 tok |
| elanthus/agentic-preflight Stops your coding agent from pushing unverified work. Your agent does the reviewing; a sta | 3 | Claude Code, Codex, OpenCode | 2 | 221 tok |
| sukoji/loadout npmjs.com 🎯 Loadout — profile your project and gear up Claude Code with the right skills, MCP serve | 3 | Claude Code, Codex, OpenCode | 6 | 791 tok |
| conorbronsdon/repo-audit chainofthought.show Audit a repo before it goes public: does the README match the code, and is anything it cal | 3 | Codex, OpenCode | 1 | 807 tok |
| tony/skills Language-agnostic AI workflow plugins for Claude Code and Codex. Every workflow is a skill | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 7,013 tok |
| CavinHuang/lume cavinhuang.github.io Local-first AI workspace with persistent memory, real tools (files · shell · LSP · MCP · O | 3 | Claude Code, Codex, OpenCode | 3 | 3,110 tok |
| YSAA1/harness-workflow Context-aware agent workflow and project harness for Codex, Claude Code, and Cursor. | 3 | Claude Code, Codex, OpenCode | 2 | 1,746 tok |
| hermes-labs-ai/forgetted hermes-labs.ai forgetted is a Python library for selective memory governance in AI agents: a context-mana | 3 | Claude Code, Codex, OpenCode | 2 | 1,026 tok |
| SourceAstra/astra-code-map Semantic code map and code graph MCP server for AI coding agents, powered by SCIP and Tree | 3 | Codex, OpenCode | 1 | 679 tok |