43,608 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 agents7,557Claude Code6,620Data and AI3,682Backend and APIs3,496Languages3,401Planning3,217Git and workflow3,165Code review2,733Testing2,364Memory and context2,364DevOps and cloud2,310Writing and docs2,303Research2,297Frontend2,252Security2,013Productivity1,710
All Claude Code31,977 Codex23,157 OpenCode22,109 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,739 Windsurf129 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| thaitype/chief A portable framework that reduces the cognitive load of working with AI coding agents — pl | 60 | Claude Code, Codex, OpenCode | 3 | 1,179 tok |
| PostHog/context-mill PostHog context and skill assembly for AI agents and LLM tasks | 60 | Claude Code, Codex, OpenCode | 3 | 1,771 tok |
| spring-ai-community/spring-ai-agentcore Spring Boot integrations for Amazon Bedrock AgentCore | 60 | Codex, OpenCode | 1 | 1,497 tok |
| Mindburn-Labs/helm-ai-kernel helm.docs.mindburn.org Fail-closed execution firewall for AI agents: quarantine MCP tools, proxy OpenAI-compatibl | 60 | Codex, OpenCode | 1 | 361 tok |
| itlackey/akm Agent Knowledge Manager (akm). A CLI tool to manage AI agent knowledge, memories, skills, | 60 | Codex, OpenCode | 1 | 3,981 tok |
| yoloshii/gigaxity-deep-research Open-source deep research MCP. Qwen3-30B-A3B-Thinking via OpenRouter, cited web synthesis | 60 | Claude Code, Codex, OpenCode | 2 | 19,568 tok |
| ryancampbell/kart-royale racing.ryancampbell.com A kart racing game in the browser with zero art assets — every texture, mesh, material and | 60 | Claude Code | 1 | 2,881 tok |
| kesteva/cyboflow | 60 | Claude Code, Codex, OpenCode | 4 | 490 tok |
| sightmap/sightmap Specification, tooling, and documentation for the .sightmap spec. | 60 | Codex, OpenCode | 1 | 1,964 tok |
| cjsimon2/Divi5-ToolKit The first Claude Code plugin for Divi 5 development. CSS generation, compatibility validat | 60 | Claude Code | 1 | 2,987 tok |
| sdsrss/claude-mem-lite Persistent long-term memory for Claude Code via MCP — captures coding decisions, bugfixes, | 60 | Claude Code | 1 | 5,297 tok |
| armpro24-blip/cad-cae-copilot CAD/CAE Copilot — an AI-native CAD/CAE/CAX workbench for AI agents. Text-to-CAD, text-to-C | 60 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 40,978 tok |
| calkit/calkit docs.calkit.org Research project management with an emphasis on reproducibility and interpretability. | 60 | Codex, OpenCode | 1 | 678 tok |
| kuitos/opencode-claude-memory npmjs.com OpenCode plugin for Claude Code memory: persistent local Markdown memory shared with Claud | 60 | Codex, OpenCode | 1 | 2,421 tok |
| babamba2/superclaude-for-sap SuperClaude for SAP — Claude Code plugin for SAP On-Premise S/4HANA ABAP development (24 a | 60 | Claude Code | 1 | 2,730 tok |
| emilsvennesson/opencode-websearch Native web search for OpenCode, powered by your model's built-in search capability. No ext | 60 | Codex, OpenCode | 1 | 1,690 tok |
| RoshanGH/mixcut-windows AI advertising video remixing tool (Windows) - C# + WPF + .NET 8, aligned with the origina | 60 | Claude Code | 1 | 16,671 tok |
| codex-tweaks/codex-tweaks Local interface customization tool for the Codex desktop client | 60 | Codex, OpenCode | 1 | 639 tok |
| PrimeIntellect-ai/nano-rlm Minimal RLM harness | 60 | Claude Code, Codex, OpenCode | 2 | 421 tok |
| ktnCodes/icm-template A model-agnostic template for organizing AI workflows using folder structure — based on th | 60 | Claude Code | 1 | 444 tok |
| mapbox/mcp-devkit-server Developer-focused Mapbox MCP Server | 60 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,920 tok |
| ykdojo/cc-safe Security scanner for Claude Code settings files. Scans for dangerous patterns in your appr | 60 | Claude Code | 1 | 74 tok |
| jkoelker/schwab-mcp Chat with your portfolio. | 60 | Codex, OpenCode | 1 | 1,949 tok |
| bnb-chain/bnbchain-mcp A MCP server for BNB Chain that supports BSC, opBNB, Greenfield, and other popular EVM-com | 60 | Claude Code | 1 | 1,928 tok |
| Oaklight/ToolRegistry toolregistry.readthedocs.io ToolRegistry: A Protocol-Agnostic Tool Management Library for Function-Calling LLMs (OpenA | 60 | Claude Code, Codex, OpenCode | 2 | 2,150 tok |
| gmr/claude-status macOS Menu Bar + Desktop Widget for Claude Code Session Monitoring | 60 | Claude Code | 1 | 2,613 tok |
| 1c-neurofish/onec-client-mcp-devkit An MCP server implementation that runs in the 1C:Enterprise client | 60 | Claude Code, Codex, OpenCode | 3 | 483 tok |
| detaildotdesign/skill detail.design Skills that craft your projects with details. Micro interactions, extra considerations, wo | 60 | Codex, OpenCode | 1 | 595 tok |
| sandraschi/inkscape-mcp Headless Inkscape SVG automation via FastMCP — 60+ ops: create, boolean, LPE, export, text | 60 | Claude Code, Codex, Cursor, OpenCode | 6 | 718 tok |
| zjy1346/OpenThesis openthesis.cc.cd Open-source, model-agnostic AI company research for long-term investors. · An open-source, | 60 | Codex, OpenCode | 1 | 1,186 tok |
| pdoronila/cc-sdd Spec Driven Development Workflow inside Claude-Code | 60 | Claude Code | 8 | — |
| Echo1LZJY/echo-kaoyan-english-skill Echo_Graduate Entrance Exam English SKILL: detailed analysis of past exam questions, trans | 60 | Claude Code, Codex, OpenCode | 3 | 1,380 tok |
| ilmenit/AltirraSDL Portable version of Altirra - 8bit Atari emulator by Avery Lee | 60 | Claude Code, Codex, OpenCode | 3 | 10,410 tok |
| AiToByte/SafeMask Enabling every line of data to safely embrace AI. After your content is processed by SafeM | 59 | Claude Code, Codex, OpenCode | 2 | 6,443 tok |
| VibeDrift/VibeDrift vibedrift.ai Ship agentic. Stay coherent. Self-checking code integrity for AI coding agents, via MCP. | 59 | Codex, OpenCode | 1 | 1,307 tok |
| guapimm/LLM-App-Mentor （LLM-App-Mentor）Turn your AI coding assistant into a cautious 10-year full-stack mentor — | 59 | Codex, OpenCode | 1 | 200 tok |
| corezoid/simulator-ai-plugin simulator.company Claude Code & Codex plugin for Simulator.Company — a Go MCP server exposing the platform R | 59 | Claude Code, Codex, OpenCode | 2 | 3,977 tok |
| FavioVazquez/learnship faviovazquez.github.io Learn as you build. Build with intent. Ship real products. Agentic engineering done right. | 59 | Claude Code, Codex, OpenCode, Windsurf | 41 | 4,697 tok |
| bnomei/kirby-mcp forum.getkirby.com CLI-first MCP server for composer-based Kirby CMS projects — inspect blueprints/templates/ | 59 | Codex, OpenCode | 1 | 860 tok |
| velmighty/youtube-to-knowledge Turn any YouTube video into a transcript, summary, and knowledge graph - powered by Claude | 59 | Claude Code | 4 | 290 tok |
| anthroos/openexp openexp.ai Outsource your understanding. Capture every human-AI decision as a step in a trajectory; g | 59 | Claude Code | 1 | 799 tok |
| kylehughes/apple-platform-build-tools-claude-code-plugin Build, test, and archive Swift packages and Xcode projects for Apple platforms with Claude | 59 | Claude Code | 1 | 690 tok |
| dosu-ai/decant dosu.dev Local-first analysis of Claude Code and Codex sessions: token spend, context windows, file | 59 | Claude Code, Codex, OpenCode | 2 | 1,515 tok |
| quixio/klaus-kode-agentic-integrator quix.io Agentic Data Integrator that helps you build production-ready data pipelines so you can co | 59 | Claude Code | 1 | — |
| agentteamhq/agentteam-email agentteam.email Open-source email infrastructure for AI agents. | 59 | Claude Code, Codex, OpenCode | 2 | 2,172 tok |
| vobase/vobase The app framework built for AI coding agents. Own every line. Your AI already knows how to | 59 | Claude Code, Codex | 44 | 4,615 tok |
| udecode/plate-template template.platejs.org Minimal Plate template with React 19, Next 16, Tailwind 4, MCP. | 59 | Claude Code, Codex, OpenCode | 5 | 1,397 tok |
| api7/aisix-archived api7.ai An open source, Native AI Gateway and LLM proxy built in Rust | 59 | Codex, OpenCode | 1 | 3,729 tok |
| color4-alt/CiteCheck Agent Skill: Check academic paper citations for format, queryability, thematic relevance, | 59 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,320 tok |
| agenticnotetaking/eidos Spec Driven Development - claude code plugin - Sync between intent and implementation | 59 | Claude Code | 1 | 635 tok |