23,307 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 agents7,541Claude Code6,614Data and AI3,687Backend and APIs3,492Languages3,397Planning3,211Git and workflow3,159Code review2,735Memory and context2,362Testing2,357DevOps and cloud2,306Writing and docs2,299Research2,296Frontend2,252Security2,009Productivity1,710
All Claude Code32,137 Codex23,307 OpenCode22,079 GitHub Copilot3,547 Gemini CLI1,916 Cursor1,738 Windsurf121 Kiro77
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| tobiasosborne/alethfeld Rigorous Proofs via Adversarial AI Agents | 144 | Claude Code, Codex, OpenCode | 13 | 444 tok |
| Haaareally/Before-You-Ask-Codex-to-Code | 144 | Codex, OpenCode | 1 | 717 tok |
| nooscraft/tokuin CLI tool – estimates LLM tokens/costs and runs provider-aware load tests for OpenAI, Anthr | 144 | Codex, OpenCode | 1 | 1,235 tok |
| swaroop2004/Proven-Viral-Content-System Research, brainstorm, and generate viral video content for Instagram, YouTube, X, and TikT | 144 | Claude Code, Codex, OpenCode | 10 | 779 tok |
| drewnekota/cetus cetus.run One macOS app for Claude Code, Codex, and every agent runtime you use — scheduled runs, gl | 144 | Codex, OpenCode | 1 | 127 tok |
| fchangjun/awesome-design-md-cn The design system documentation format proposed by Stitch—record design systems in plain-t | 144 | Codex, OpenCode | 1 | 950 tok |
| QoreDB/QoreDB qoredb.com Next Generation Database Client | 144 | Claude Code, Codex, OpenCode | 2 | 5,423 tok |
| konippi/servo-fetch A self-contained browser engine that fetches, renders, and extracts web content as Markdow | 144 | Codex, OpenCode | 1 | 1,928 tok |
| betta-tech/byo-coding-agent | 144 | Codex, OpenCode | 1 | 647 tok |
| OpenHands/extensions Public registry for OpenHands extensions. | 144 | Codex, OpenCode | 1 | 4,267 tok |
| coddy-project/coddy-agent coddy.dev General-purpose agent in one static Go binary: console TUI, ACP server for editors, OpenAI | 144 | Claude Code, Codex, OpenCode | 2 | 8,713 tok |
| metadist/synaplan synaplan.com Our AI control plane for fast deployment. Talk to various models, MCP with agents, get a c | 144 | Codex, OpenCode | 1 | 8,733 tok |
| ojowwalker77/BonsAI bonsaidev.sh A bucket for your thoughts (local boards,BYO subs for llm features) | 143 | Claude Code, Codex, OpenCode | 3 | 1,220 tok |
| LF-Decentralized-Trust-labs/gitmesh GitMesh: Policy-as-Code Engine for Open Source AI Agent Orchestration | 143 | Claude Code, Codex, OpenCode | 3 | 1,266 tok |
| timothywarner/chatgptclass techtrainertim.com ChatGPT and GitHub Copilot in Four Hours | 143 | Claude Code, Codex, GitHub Copilot | 8 | 5,750 tok |
| Web3Auth/web3auth-examples web3auth.io | 143 | Claude Code, Codex | 1 | — |
| veliovgroup/mail-time npmjs.com 📮 Email queue extending NodeMailer with multi SMTP transports and horizontally scaled app | 143 | Claude Code, Codex, OpenCode | 2 | 5,048 tok |
| LSTM-Kirigaya/openclaw-onebot An OneBot integration framework for OpenClaw, used to connect to QQ. | 143 | Codex, OpenCode | 1 | 1,705 tok |
| johnpapa/heroes-vue papa-heroes-vue.azurewebsites.net Tour of Heroes app written with Vue | 143 | Codex, GitHub Copilot, OpenCode | 2 | 3,408 tok |
| julianromli/opencode-template threads.com OpenCode CLI Template by @faizntfd | 143 | Codex, OpenCode | 1 | 4,131 tok |
| nunobrum/spicelib Python library to interact with spice simulators such as LTSpice, QSPICE, NGSpice and othe | 143 | Codex, OpenCode | 1 | 1,505 tok |
| coleam00/PydanticAI-Research-Agent Pydantic AI Research Agent Built with the PRP Framework Template | 143 | Claude Code, Codex, OpenCode | 2 | 4,184 tok |
| cola-io/codex-acp An Agent Client Protocol (ACP)–compatible agent that bridges the OpenAI Codex runtime with | 143 | Codex, OpenCode | 1 | 3,068 tok |
| xiaoleiy/podpull podpull.vercel.app Download any podcast episode straight to your shell — Apple Podcasts, RSS, or xiaoyuzhou. | 143 | Claude Code, Codex, OpenCode | 2 | 2,580 tok |
| dmae97/omk Evidence-gated runner for Codex, Claude Code, OpenCode, and local coding agents. Routes ta | 143 | Claude Code, Codex, OpenCode | 2 | 2,469 tok |
| ArchiveBox/abx-dl abx-dl.archivebox.io ⬇️ A simple all-in-one CLI tool to download EVERYTHING from a URL (like youtube-dl/yt-dlp, | 143 | Claude Code, Codex, OpenCode | 2 | 1,251 tok |
| apache/hugegraph-ai hugegraph.apache.org The integration of HugeGraph with AI/LLM & GraphRAG | 143 | Codex, OpenCode | 1 | 648 tok |
| GeekatplayStudio/Image-Express | 143 | Claude Code, Codex, OpenCode | 2 | 159 tok |
| SeardnaSchmid/markdown-inline-editor-vscode VS Code extension · inline markdown · WYSIWYG · GFM · LaTeX · Mermaid · task lists | 143 | Claude Code, Codex, Cursor, OpenCode | 4 | 3,341 tok |
| first-tree-ai/first-tree first-tree.ai First-tree routes work to the right agent, gives it the same context your team has, and lo | 143 | Claude Code, Codex, OpenCode | 2 | 2,114 tok |
| SerhiiKorniienko/bullshit-detector korniienko.dev Agent skills that fact-check the internet: claim-by-claim verification with sources and a | 143 | Claude Code, Codex, OpenCode | 2 | 2,414 tok |
| oframe/ogpu oframe.github.io Minimal WebGPU Library | 143 | Claude Code, Codex, Gemini CLI, OpenCode | 12 | 1,660 tok |
| AEON-7/vllm-ultimate-dgx-spark AEON vLLM Ultimate — vLLM 0.27.1 built from source for DGX Spark / Blackwell (sm_121a/GB10 | 143 | Codex, OpenCode | 1 | 9,283 tok |
| tiylabs/tiygate TiyGate is a lightweight gateway for highly available LLM services. | 143 | Codex, OpenCode | 1 | 1,187 tok |
| FineComputer14451/Grok-Imagine-NSFW-Bible finecomputer14451.github.io | 143 | Codex, OpenCode | 1 | 1,344 tok |
| aws-samples/sample-autonomous-cloud-coding-agents aws-samples.github.io Autonomous background coding agents on AWS. Turn tasks into pull requests via isolated run | 143 | Claude Code, Codex, OpenCode | 3 | 2,247 tok |
| stephenlzc/AI-Powered-Literature-Review-Skills AI-driven systematic academic literature review tool | AI-Powered Literature Survey Tool w | 143 | Codex, OpenCode | 1 | 4,040 tok |
| elliotttate/SpliceKit splicekit.fcp.cafe Final Cut Pro, unlocked. A Command Palette, MCP server, and an open plugin framework to do | 143 | Claude Code, Codex, OpenCode | 2 | 22,069 tok |
| nirholas/three.ws three.ws Open-source 3D AI agent framework — GLB/glTF avatars with LLM brains, memory, emotions, an | 143 | Claude Code, Codex | 48 | 11,642 tok |
| openpi-dev/openpi openpi-dev.github.io The setup I use for pi. Changes a ton, don't recommend hard copying it, just a taste of wh | 143 | Claude Code, Codex, OpenCode | 2 | 1,461 tok |
| DevXDojo/my-github-202X 202x.ch3nyang.top Statistics of your activities on GitHub in 2026. | 143 | Codex, GitHub Copilot, OpenCode | 2 | 5,599 tok |
| saubakirov/KZ-IT-telegram-list saubakirov.github.io Verified catalog of Kazakhstan IT and startup Telegram groups, channels, and bots — in Eng | 143 | Claude Code, Codex, OpenCode | 2 | 2,870 tok |
| D-Robotics/moss | 142 | Codex, OpenCode | 1 | 4,297 tok |
| dedalus-labs/dedalus-mcp-python docs.dedaluslabs.ai A simple and performant Model Context Protocol framework for Python. | 142 | Claude Code, Codex, OpenCode | 2 | 1,699 tok |
| plustar35/echo-reading A notebook skeleton for reading a book deeply with Claude Code—an immersive conversational | 142 | Claude Code, Codex, OpenCode | 8 | 3,438 tok |
| Haaaiawd/ANWS 🚀 A spec-driven workflow framework for AI-assisted development. Empowers prompt engineers | 142 | Codex, OpenCode | 1 | 2,039 tok |
| vogler75/monster-mq monstermq.com MonsterMQ is a MQTT broker built on Vert.X and Hazelcast with data persistence through Pos | 142 | Claude Code, Codex, OpenCode | 7 | 3,789 tok |
| ntorga/agent-starter-kit The scaffold for your multi-model, personalized Natural Language AI Harness (NLAH) . | 142 | Codex, OpenCode | 1 | 2,587 tok |
| Archeb/peer.as peer.as PEER.AS — explore global BGP routing, IP prefixes, ASNs, AS_PATH, origins and peering. | 142 | Codex, OpenCode | 1 | 7,396 tok |
| iamtouchskyer/memex memra.vercel.app Zettelkasten-based persistent memory for AI coding agents. Works with Claude Code, Cursor, | 142 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode, Windsurf | 5 | 8,050 tok |