43,484 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 agents7,473Claude Code6,589Data and AI3,693Backend and APIs3,491Languages3,403Planning3,201Git and workflow3,131Code review2,731Memory and context2,354Testing2,335DevOps and cloud2,298Research2,288Writing and docs2,284Frontend2,242Security1,995Productivity1,703
All Claude Code32,066 Codex23,211 OpenCode21,984 GitHub Copilot3,528 Gemini CLI1,908 Cursor1,730 Windsurf104 Kiro70
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| OffchainLabs/prysm offchainlabs.com Go implementation of Ethereum proof of stake | 3,777 | Claude Code, Codex | 1 | — |
| NVIDIA/Model-Optimizer nvidia.github.io A unified library of SOTA model optimization techniques like quantization, distillation, p | 3,776 | Claude Code, Codex, OpenCode | 2 | 923 tok |
| gadievron/raptor Raptor turns Claude Code into a general-purpose AI offensive/defensive security agent. By | 3,764 | Claude Code | 6 | 9,375 tok |
| microsoft/apm microsoft.github.io Agent Package Manager | 3,762 | Claude Code, Codex, GitHub Copilot | 47 | 11,514 tok |
| ZToolsCenter/ZTools An open-source implementation of uTools, a high-performance, scalable application launcher | 3,752 | Codex, OpenCode | 1 | 542 tok |
| yvgude/lean-ctx leanctx.com LeanCTX — Context Intelligence for AI systems. | 3,743 | Codex, GitHub Copilot, Kiro, OpenCode, Windsurf | 4 | 3,301 tok |
| glitternetwork/pinme pinme.eth.limo Deploy Your Frontend in a Single Command. Claude Code Skills supported. | 3,739 | Claude Code, Codex, OpenCode | 2 | 1,447 tok |
| bethington/ghidra-mcp Ghidra MCP Server — 200+ MCP tools for AI-powered reverse engineering. GUI plugin + headle | 3,736 | Claude Code, Codex, OpenCode | 2 | 10,062 tok |
| milanm/DotNet-Developer-Roadmap newsletter.techworld-with-milan.com The comprehensive .NET Developer Roadmap for 2026 by seniority level. | 3,729 | Claude Code | 3 | 27 tok |
| raullenchai/Rapid-MLX pypi.org The fastest local AI engine for Apple Silicon. 4.2x faster than Ollama, 0.08s cached TTFT, | 3,710 | Claude Code, Codex, OpenCode | 3 | 782 tok |
| tutti-os/tutti tutti.sh Where people and agents build in tune. | 3,700 | Codex, OpenCode | 6 | 2,302 tok |
| livestorejs/livestore livestore.dev LiveStore is a next-generation state management framework based on reactive SQLite and bui | 3,698 | Claude Code, Codex, OpenCode | 4 | 1,556 tok |
| rust-lang/crates.io crates.io The Rust package registry | 3,692 | Codex, OpenCode | 1 | 2,498 tok |
| nowork-studio/notfair-plugin notfair.co Open-source SEO, GEO, and marketing skills for AI agents. | 3,690 | Claude Code, Codex, OpenCode | 2 | 3,815 tok |
| memodb-io/Acontext acontext.io Agent Skills as a Memory Layer | 3,687 | Claude Code, Codex, OpenCode | 2 | 2,448 tok |
| modelcontextprotocol/java-sdk java.sdk.modelcontextprotocol.io The official Java SDK for Model Context Protocol servers and clients. Maintained in collab | 3,685 | Codex, OpenCode | 1 | 839 tok |
| kagent-dev/kagent kagent.dev Cloud Native Agentic AI | Discord: https://bit.ly/kagentdiscord | 3,682 | Claude Code, Codex, OpenCode | 4 | 2,745 tok |
| experientiallabs/experiential experientiallabs.ai Experiential is the open source, zero markup gateway for BYOK, self-hosted and 1000+ marke | 3,669 | Claude Code, Codex, OpenCode | 2 | 5,881 tok |
| Screenly/Anthias anthias.screenly.io The world's most popular open source digital signage project. | 3,665 | Claude Code | 8 | 2,972 tok |
| gotalab/cc-sdd Turn approved specs into long-running autonomous implementation. A minimal, adaptable SDD | 3,659 | Claude Code, Codex, OpenCode | 2 | 1,613 tok |
| UsefulSoftwareCo/executor executor.sh The missing integration layer for AI agents. Let them call any OpenAPI / MCP / GraphQL / c | 3,658 | Claude Code, Codex, OpenCode | 23 | 674 tok |
| microsoft/mcp Catalog of official Microsoft MCP (Model Context Protocol) server implementations for AI-p | 3,654 | Codex, GitHub Copilot, OpenCode | 2 | 8,822 tok |
| open-wa/wa-automate-nodejs openwa.dev 💬 🤖 The most reliable tool for chatbots with advanced features. Be sure to 🌟 this rep | 3,653 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,053 tok |
| CookSleep/gpt_image_playground gpt-image-playground.cooksleep.dev Image generation and editing tool based on the OpenAI gpt-image-2 API | 3,651 | Codex, OpenCode | 1 | 2,131 tok |
| geekjourneyx/md2wechat-skill md2wechat.cn Markdown to WeChat CLI | One-click formatting and publishing to WeChat Official Accounts: | 3,636 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 10,703 tok |
| kiali/kiali kiali.io Kiali project, observability for the Istio service mesh | 3,635 | Codex, OpenCode | 1 | 18,233 tok |
| strukto-ai/mirage strukto.ai The World's First Virtual Terminal for AI Agents | 3,615 | Claude Code, Codex, OpenCode | 2 | 15,771 tok |
| laravel/boost laravel.com Laravel-focused MCP server for augmenting your AI powered local development experience. | 3,611 | Claude Code, Codex | 4 | — |
| TinyAGI/tinyagi office.tinyagicompany.com TinyAGI is the agent teams orchestrator for One Person Company. (fka TinyClaw) | 3,610 | Claude Code, Codex, OpenCode | 10 | 1,262 tok |
| nextlevelbuilder/goclaw goclaw.sh GoClaw - GoClaw is OpenClaw rebuilt in Go — with multi-tenant isolation, 5-layer security, | 3,595 | Claude Code, Codex, OpenCode | 2 | 12,319 tok |
| millionco/expect expect.dev Expect tests your agent's code in a real browser | 3,552 | Claude Code, Codex, OpenCode | 10 | 6,472 tok |
| marin-community/marin marin.community Open-source framework for the research and development of foundation models. | 3,548 | Claude Code, Codex, OpenCode | 45 | 2,883 tok |
| truera/trulens trulens.org Evaluation and Tracking for LLM Experiments and AI Agents | 3,542 | Codex, OpenCode | 1 | 2,825 tok |
| smallcloudai/refact refact.ai AI Agent that handles engineering tasks end-to-end: integrates with developers’ tools, pla | 3,542 | Claude Code, Codex, OpenCode | 2 | 2,346 tok |
| synthetic-sciences/openscience openscience.sh The open-source AI workbench for scientific research | 3,535 | Claude Code, Codex, OpenCode | 2 | 3,058 tok |
| langwatch/langwatch langwatch.ai The platform for LLM evaluations and AI agent testing | 3,528 | Claude Code | 8 | 10,001 tok |
| spinabot/brigade brigade.spinabot.com Brigade — Your personal intelligence, built enterprise-grade | 3,517 | Codex, OpenCode | 1 | 3,380 tok |
| AvdLee/SwiftUI-Agent-Skill Add expert SwiftUI Best Practices guidance to your AI coding tool (Agent Skills open forma | 3,508 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,427 tok |
| graykode/abtop Like htop, but for AI coding agents. Monitor Claude Code & Codex CLI sessions, tokens, | 3,503 | Claude Code, Codex, OpenCode | 2 | 5,469 tok |
| SamurAIGPT/llm-wiki-agent A personal knowledge base that builds and maintains itself. Drop in sources — Claude (or C | 3,499 | Claude Code, Codex, Gemini CLI, OpenCode | 7 | 5,977 tok |
| bytebase/dbhub dbhub.ai Token conscious database MCP server for Postgres, MySQL, SQL Server, MariaDB, SQLite. | 3,487 | Claude Code, GitHub Copilot | 4 | 3,785 tok |
| swarmpit/swarmpit swarmpit.io Lightweight AI-friendly Docker Swarm management | 3,485 | Claude Code | 1 | 2,912 tok |
| dotnet/roslynator josefpihrt.github.io Roslynator is a set of code analysis tools for C#, powered by Roslyn. | 3,476 | Claude Code, Codex, OpenCode | 7 | 227 tok |
| sigp/lighthouse lighthouse-book.sigmaprime.io Ethereum consensus client in Rust | 3,467 | Claude Code | 2 | — |
| superagent-ai/grok-cli An open-source coding agent for the Grok API | 3,462 | Codex, OpenCode | 1 | 467 tok |
| omdsh-dev/DSH-better-sidebar An open sidebar foundation supporting third-party extensions to register new sidebar pages | 3,458 | Codex, OpenCode | 1 | 3,826 tok |
| ProfSynapse/Professor-Synapse | 3,456 | Claude Code | 1 | 1,817 tok |
| get-bb/bb getbb.app The agent IDE that builds itself | 3,455 | Claude Code, Codex, OpenCode | 2 | 1,345 tok |
| psmux/psmux psmux.pages.dev Tmux on Windows Powershell - tmux for PowerShell, Windows Terminal, cmd.exe. Includes psmu | 3,453 | Codex, OpenCode | 1 | 222 tok |
| freestylefly/CodexGuide codexguide.ai CodexGuide: A practical Codex guide for beginners, creators, developers, and teams worldwi | 3,450 | Claude Code, Codex | 2 | — |