1,902 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 agents7,374Claude Code6,573Data and AI3,706Backend and APIs3,486Languages3,398Planning3,181Git and workflow3,100Code review2,701Memory and context2,354Testing2,311Research2,292DevOps and cloud2,282Writing and docs2,269Frontend2,250Security1,980Productivity1,695
All Claude Code32,004 Codex23,112 OpenCode21,881 GitHub Copilot3,501 Gemini CLI1,902 Cursor1,724 Windsurf62 Kiro40
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| AgriciDaniel/sync Evidence-gated Claude and Codex council orchestration. | 19 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 475 tok |
| MohamedAbdallah-14/prompt-to-asset npmjs.com MCP server + CLI for production-grade software assets (logos, app icons, favicons, OG, ill | 19 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 17 | 20,707 tok |
| snyk-labs/toxicskills-goof ToxicSkills - malicious agent skills in openclaw / clawhub / agent supply chain | 19 | Claude Code, Codex, Gemini CLI | 6 | — |
| machinavitalis/jaxonomy py.jaxonomy.com JAX-native simulation engine for hybrid dynamical systems — block-diagram modeling, ODE/DA | 19 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 2,254 tok |
| volcengine/volcengine-skills | 19 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,424 tok |
| 0x1b2c/twitter-bookmarks-downloader A robust, self-hosted system to sync, archive, and explore your Twitter/X bookmarks locall | 19 | Gemini CLI | 1 | 1,415 tok |
| DocRoms/Kronn Self-hosted control plane for AI coding agents (Claude Code, Codex, Gemini, Ollama). Shar | 18 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 5 | 1,552 tok |
| m4yk3ldev/notebooklm-mcp MCP server for Google NotebookLM — 32 tools for notebooks, sources, research, and studio c | 18 | Claude Code, Gemini CLI | 2 | 3,269 tok |
| nexus-substrate/nexus-agents nexus-substrate.github.io Governance substrate for your AI coding agents — adversarial review, drift-detected rules, | 18 | Claude Code, Codex, Gemini CLI, OpenCode | 7 | 26,414 tok |
| naoyoshinori/docker-gemini-cli hub.docker.com A ready-to-use and convenient Docker environment for Google's Gemini CLI (@google/gemini-c | 18 | Gemini CLI | 1 | 267 tok |
| xi-kari/crossframe-skill xi-kari.github.io CrossFrame Skill Suite: Chinese-language structural diagnosis, public-issue analysis, orga | 18 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 37 | 12,411 tok |
| conectlens/lenserfight moon.lenserfight.com Turn AI prompts into reusable, versioned Lenses - organize with Tags and Threads, automate | 18 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 67 | 1,849 tok |
| kingggg5/shipproof shipproof-site.sjet2744.chatgpt.site Evidence-first Codex, Claude plugin for bugs, security, and 10k-to-1M-user scale readiness | 18 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,055 tok |
| ihatesea69/kiro-kit ihatesea69.github.io Set up a Kiro IDE workspace with one command. Pick a preset and the agents, skills, comman | 18 | Claude Code, Gemini CLI | 2 | 567 tok |
| zgbrenner/agentcounsel zgbrenner.github.io Open-source, AI-agnostic skills for legal teams. | 18 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 3,839 tok |
| martinholovsky/SOTA-skills probably.group Engineering best practices that AI coding agents actually apply — 40+ skills, from secure | 18 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 4,358 tok |
| Sensorica/nondominium sensorica.github.io Nondominium built on REA + Valueflows + Holochain is a distributed multi-agent system for | 18 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 3 tok |
| bigbio/sdrf-skills sdrf.quantms.org Agentic plugins to annotate SDRF using Claude; Codex; Cursor; Gemini | 18 | Claude Code, Gemini CLI | 2 | 6,449 tok |
| narosemena/master-instructional-design A Claude skill embodying a 30-year veteran ID practitioner — 15 engagement modes, 31 refer | 18 | Claude Code, Gemini CLI | 6 | 2,406 tok |
| irahardianto/qurio Self-hosted RAG engine for AI coding assistants. Ingests technical docs & code repositorie | 17 | Gemini CLI | 6 | — |
| sophymarine/openregistry openregistry.sophymarine.com Real-time, direct-from-official-registry company data via MCP. 30 national registries; unm | 17 | Gemini CLI | 1 | 522 tok |
| abhichandra21/Promptheus abhichandra21.github.io Automated prompt engineering for efficient AI interactions | Interactive command-line inte | 17 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 6,265 tok |
| borhen68/SkillEngine Production-grade engineering skills for AI coding agents. | 17 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,318 tok |
| satriotsubasa/PowerPlatform-Core AI Agent plugins for Microsoft Power Platform and Dataverse development. Covers ALM, plugi | 17 | Gemini CLI | 1 | 91 tok |
| organvm-iv-taxis/a-i--skills organvm-iv-taxis.github.io Public repository of AI agent skills: specialized capabilities and workflows across 12 cat | 17 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 8 | 8,740 tok |
| aplaceforallmystuff/mcp-fantastical MCP server for Fantastical calendar app - create events, view calendar, and manage schedul | 17 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 309 tok |
| mmnto-ai/totem Rules you can enforce, state you can derive, context you can query: plain files in your re | 17 | Claude Code, Codex, Gemini CLI, OpenCode | 18 | 1,861 tok |
| patchloom/patchloom patchloom.github.io Structured file edits for AI agents (JSON/YAML/TOML, markdown, AST, dry-run, MCP). Not a g | 17 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 9,670 tok |
| KbWen/agent-virtual-office 🏢 Watch your AI coding agents live their office life — Claude Code, Codex & Gemini show u | 17 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 62 | 4,798 tok |
| honobonosun/vscode-language-hsp3 A VSCode extension providing HSP3 syntax highlighting and other features | 17 | Claude Code, Gemini CLI | 2 | 5,246 tok |
| gemini-cli-extensions/angular Angular Extension for Gemini CLI | 16 | Gemini CLI | 1 | 442 tok |
| thoreinstein/aix thoreinstein.github.io A unified CLI for managing AI coding assistant configurations across platforms. | 16 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 3 | 4,455 tok |
| ranjanrishikesh/taketomarket npmjs.com Marketing OS for developerneurs + solopreneurs (engineers shipping products with zero mark | 16 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 7,146 tok |
| wd041216-bit/zero-api-key-web-search pypi.org Search infrastructure for AI agents: free by default, MCP-ready, LLM-context aware, and pr | 16 | Claude Code, Codex, Gemini CLI | 4 | 392 tok |
| cybertronai/SutroYaro cybertronai.github.io SutroYaro — Sutro Group research workspace for energy-efficient AI training. Point any cod | 16 | Claude Code, Codex, Gemini CLI, OpenCode | 14 | 7,023 tok |
| richardcb/oh-my-gemini Multi-agent orchestration for Gemini CLI. Zero learning curve. | 16 | Claude Code, Gemini CLI | 4 | — |
| XAIHT/Tlamatini xaiht.org Tlamatini is a self-hosted AI developer assistant for local or cloud LLMs: hybrid RAG (FAI | 16 | Claude Code, Codex, Gemini CLI | 12 | 48,143 tok |
| Sperax/sperax-crypto-mcp MCP server and plugin for Sperax Protocol – USDs, SPA, veSPA & Demeter on Arbitrum and BNB | 16 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 755 tok |
| dcollaoa/bloodyad_mcp MCP Server for use bloodyAD with Claude or Gemini-CLI | 16 | Gemini CLI | 1 | 1,798 tok |
| oscal-compass-lab/compliance-trestle-skills Agent-portable Compliance Trestle and OSCAL engineering toolkit: convert legacy SSPs to OS | 16 | Claude Code, Codex, Gemini CLI, OpenCode | 2 | 1,658 tok |
| alexhraber/tensors-to-consciousness Explore the Mathematical Foundations of AI/ML: From Tensors to Consciousness | 16 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,799 tok |
| backspace-shmackspace/claude-devkit bksp.ca claude-devkit - an agentic coding framework | 15 | Claude Code, Gemini CLI | 2 | 1,674 tok |
| andrader/jup andrader.github.io jup is a command-line tool for installing and managing agent skills across different ai ag | 15 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 1,611 tok |
| regexp-lin/llm-wiki-agent AI-powered wiki agent that ingests source documents, extracts knowledge, and builds a pers | 15 | Claude Code, Codex, Gemini CLI, OpenCode | 12 | 2,632 tok |
| hletrd/kiwi-paper 🥝 Turns dense academic papers or API documentation into Baidu Baike-style articles. Suppo | 15 | Codex, Gemini CLI, OpenCode | 2 | 2,052 tok |
| databricks-solutions/ai-platform-kit AI-powered Databricks platform engineering — provision workspaces, configure Unity Catalog | 15 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 1,603 tok |
| pdufour/browser-use-wasm pdufour.github.io | 15 | Cursor, Gemini CLI | 2 | 738 tok |
| polyblank66/Nyamu Minimal MCP server for Unity, designed to reliably check script compilation | 15 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,935 tok |
| tanaikech/FileSearchStore-extension medium.com This repository introduces a Gemini CLI extension that integrates File Search feature. Thi | 15 | Gemini CLI | 1 | 25 tok |
| Godzilla675/dark-premium-landing-style A reusable AI skill for building premium, dark-themed, Apple-inspired landing pages | 15 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 7,275 tok |