24,785 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 agents8,489Claude Code6,881Git and workflow3,605Data and AI3,580Backend and APIs3,556Languages3,486Planning3,323Code review2,893Testing2,681Writing and docs2,477DevOps and cloud2,477Memory and context2,375Research2,318Frontend2,308Security2,170Project management1,960
All Claude Code32,505 Codex24,785 OpenCode23,702 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,771 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| h0rv/d2-mcp d2-mcp | 24 | Codex, OpenCode | 1 | 723 tok |
| Proteusiq/unthinking proteusiq.github.io Unveiling Causal Reasoning in LLMs: Reality or Mirage? | 24 | Codex, OpenCode | 1 | 7,300 tok |
| zhouwei713/WorkBuddy-Dream-Skin Community image-driven skin for Tencent WorkBuddy desktop. External CDP injection, fully r | 24 | Codex, OpenCode | 1 | 826 tok |
| streamer45/streamkit streamkit.dev StreamKit is a self-hosted real-time media processing engine with pluggable node-based pip | 24 | Claude Code, Codex, OpenCode | 15 | 3,799 tok |
| ZanebonoAlter/Syntopica Use AI to semantically categorize your RSS subscriptions, so you only need to follow the t | 24 | Claude Code, Codex, OpenCode | 14 | 4,717 tok |
| wedsamuel1230/arduino-skills Arduino/embedded systems skills and maker tools. | 24 | Claude Code, Codex, Gemini CLI, OpenCode | 6 | 342 tok |
| Dicklesworthstone/frankenfs Memory-safe Rust userspace filesystems via FUSE and offline-image tools: a mature ext4 + b | 24 | Codex, OpenCode | 1 | 11,420 tok |
| rtb-1005/Course_Weight-Optimizer Northeastern University course selection weighting assistant | 24 | Codex, OpenCode | 1 | 2,402 tok |
| hosanxiv/kiasumiles kiasumiles.space Kiasu Miles — A Singapore credit card rewards optimization MCP. Real-time card matching, m | 24 | Codex, OpenCode | 1 | 284 tok |
| frankbria/codeframe codeframe.sh Your coding agent can’t quietly undo what you already decided. PROOF9(TM) records a bug as | 24 | Claude Code, Codex, OpenCode | 3 | 9,640 tok |
| appautomaton/automaton appautomaton.com AI coding agent framework — portable, stage-gated harness for Claude Code, Codex, and Open | 24 | Claude Code, Codex, OpenCode | 2 | 847 tok |
| lukacf/meerkat Meerkat - an operational agent platform. | 24 | Claude Code, Codex, OpenCode | 18 | 24,610 tok |
| anivar/zod-skill skills.sh AI agent skill for Zod v4 — 27 rules: schema design, parsing, error handling, type inferen | 24 | Codex, OpenCode | 1 | 14,918 tok |
| aws-samples/sample-drawio-mcp aws-samples.github.io | 24 | Codex, OpenCode | 1 | 30 tok |
| nirholas/pumpfun-claims-bot nirholas.github.io PumpFun GitHub social fee claim monitor — real-time Telegram feed for first-time creator f | 24 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 621 tok |
| kunchenguid/programbench-bench | 24 | Claude Code, Codex, OpenCode | 2 | 11,045 tok |
| likecoin/epub.ts likecoin.github.io A TypeScript fork of epubjs — parse and render EPUB documents in the browser. | 24 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 765 tok |
| osolmaz/slophammer (Work in progress) Boilerplate reference implementations and tooling for coding projects, | 24 | Codex, OpenCode | 1 | 330 tok |
| skwashd/ccodolo Multi-Agent Coding Environment | 24 | Claude Code, Codex, OpenCode | 2 | 3,367 tok |
| niyazmft/droid-ai-toolkit High-performance toolkit for running AI tools (OpenClaw, Pi Agent, n8n, Ollama, Hermes) na | 24 | Codex, OpenCode | 1 | 10,920 tok |
| JoeChen2me/RK-MediaProject | 24 | Claude Code, Codex, OpenCode | 2 | 650 tok |
| obetomuniz/web-ai-sdk web-ai-sdk.dev web-ai-sdk: TypeScript SDK for the Web AI surface (Prompt, Writer, Rewriter, Proofreader, | 24 | Codex, OpenCode | 1 | 5 tok |
| Fail-Safe/Noema noemacortex.com The intentional memory layer for your AI agents. | 24 | Codex, OpenCode | 1 | 928 tok |
| netresearch/docker-development-skill Agent Skill: Docker image development patterns - Dockerfile best practices, CI testing, co | 24 | Codex, OpenCode | 1 | 1,338 tok |
| whyiyhw/seek seek.whyiyhw.com Not just an agent demo — a local coding-agent platform: plan mode, sub-agent teams, cron, | 24 | Claude Code, Codex, OpenCode | 2 | 9,968 tok |
| samson-art/transcriptor-mcp transcriptor-mcp.org One MCP server that gives Claude, ChatGPT, Cursor and any other AI app transcripts, chapte | 24 | Claude Code, Codex, OpenCode | 8 | 3,343 tok |
| Abel-ai-lab/predict-anything predict.abel.ai Quant AI and trading AI skills for quant agents and AI trading agents: causal market analy | 24 | Codex, OpenCode | 1 | 310 tok |
| sandraschi/ocr-mcp FastMCP server providing advanced OCR capabilities with current state-of-the-art models (D | 24 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 8 | 822 tok |
| zowe/zowe-mcp Zowe MCP Server | 24 | Claude Code, Codex, Cursor, OpenCode | 2 | 41,239 tok |
| Soushi888/holochain-agent-skills soushi888.github.io Agent skills for Holochain hApp development on Holochain 0.7. Agent Skills Open Standard: | 24 | Claude Code, Codex, OpenCode | 2 | 3,586 tok |
| lizhiyao/oh-my-knowledge oh-my-knowledge.pages.dev OMK helps people and agents build, maintain, and reuse valuable knowledge from real work a | 24 | Claude Code, Codex, OpenCode | 3 | 3,544 tok |
| MohamedAbdallah-14/prompt-to-asset npmjs.com MCP server + CLI for production-grade software assets (logos, app icons, favicons, OG, ill | 24 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 17 | 20,707 tok |
| XCode-NLP/KodaSkills kodacode.ru Skills for KodaCode. | 24 | Codex, OpenCode | 1 | 3 tok |
| nexus-substrate/nexus-agents nexus-substrate.github.io Governance substrate for your AI coding agents — adversarial review, drift-detected rules, | 24 | Claude Code, Codex, Gemini CLI, OpenCode | 7 | 32,193 tok |
| danishashko/yahoo-finance-mcp npmjs.com Free Yahoo Finance MCP server, no API key. 18 tools: stock quotes, historical prices, fina | 24 | Codex, OpenCode | 1 | 967 tok |
| Kashkovsky/threadnote threadnote.io Local-first engineering memory and large-scale polyglot graph search for Codex, Claude, Cu | 24 | Codex, Cursor, OpenCode | 5 | 1,898 tok |
| EodHistoricalData/EODHD-MCP-Server EODHD MCP Server for AI assistants | 24 | Claude Code, Codex, OpenCode | 2 | 2,817 tok |
| mayflower/contextmine Documentation & Code Indexing with MCP - Open-source Context7 alternative | 24 | Claude Code, Codex, OpenCode | 3 | 3,649 tok |
| robhunter/agentdeals agentdeals.dev Catalogue of developer infrastructure free tiers, startup credits and pricing, with side-b | 24 | Codex, OpenCode | 1 | 2,879 tok |
| opennote-org/opennote An AI native notebook app built with pure Rust and GPUI | 24 | Codex, OpenCode | 1 | 128 tok |
| jsuzanne/stigix stigix.io Stigix is a lab platform to validate SD‑WAN and SASE. It unifies SaaS traffic generation | 24 | Claude Code, Codex | 15 | — |
| ckorhonen/claude-skills cdd.dev A curated collection of skills for Claude Code and Codex — specialized capabilities across | 24 | Claude Code, Codex, OpenCode | 2 | 801 tok |
| agentic-hil/agentic-hil agentic-hil.github.io Let your coding agent develop firmware on the real board, with the hardware as the gate. | 24 | Claude Code, Codex, OpenCode | 2 | 5,849 tok |
| autonomous-ai/autonomous-workshop Autonomous AI inventors that daydream, invent, and make new toys and games around the cloc | 24 | Claude Code, Codex, OpenCode | 9 | 6,651 tok |
| PracticalSwan/agent-skills Skills I use for my Agents (Claude Code, Codex, Copilot) | 24 | Claude Code, Codex, OpenCode | 2 | 12,308 tok |
| ucoz-skills/agent-skills Official uCoz agent skills library and MCP plugin for AI coding assistants. | 24 | Codex, OpenCode | 1 | 1,047 tok |
| Podiom/Podiom Local-first workspace for Claude Code and OpenAI Codex agents. Durable sessions, projects, | 24 | Claude Code, Codex, OpenCode | 2 | 928 tok |
| FlorianBruniaux/google-search-console-mcp search-console.bruniaux.com 96 MCP tools for Google Search Console, Bing, GA4 and CrUX: SEO audits, traffic diagnostic | 24 | Claude Code, Codex | 32 | 4,346 tok |
| szarkans/multi Use [Multi]ple AI agents for code-review, verifying and questions | 24 | Codex, OpenCode | 1 | 1,234 tok |
| 0xwi11iam/Suijin Suijin is an open-source fully autonomous red teaming / web app pentesting framework for A | 24 | Codex, OpenCode | 1 | 958 tok |