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 |
|---|---|---|---|---|
| andrianllmm/renux pypi.org A terminal-based bulk file renamer with a TUI | 72 | Claude Code, Codex, OpenCode | 4 | 247 tok |
| PostHog/context-mill PostHog context and skill assembly for AI agents and LLM tasks | 72 | Claude Code, Codex, OpenCode | 3 | 1,788 tok |
| spring-ai-community/spring-ai-agentcore Spring Boot integrations for Amazon Bedrock AgentCore | 72 | Codex, OpenCode | 1 | 1,576 tok |
| khakhasshi/LLM_QUANT_FACTORY Auditable multi-agent A-share factor research, knowledge base, long-only backtesting, Auto | 72 | Codex, OpenCode | 1 | 7,297 tok |
| remorses/sigillo sigillo.dev Self-hostable secrets management platform. Open source Doppler alternative | 72 | Codex, OpenCode | 1 | 8,299 tok |
| boredape874/mcbejsonuimasterAI JSON UI mastery for AI | 72 | Codex, OpenCode | 1 | 3,172 tok |
| codex-tweaks/codex-tweaks Local interface customization tool for the Codex desktop client | 72 | Codex, OpenCode | 1 | 639 tok |
| mavka-ai/unit-tests-skills mavka.ai AI agent skills for generating high-quality unit tests — Given-When-Then test cases, JUnit | 72 | Claude Code, Codex, OpenCode | 3 | 3,127 tok |
| JanYork/llm-wiki-cli janyork.github.io Agent-driven proactive memory CLI for AI agents — autonomously recall, maintain, and evolv | 72 | Codex, OpenCode | 1 | 289 tok |
| xi-zhao/OpenQuantum xi-zhao.github.io Open-source quantum Agent workspace with a desktop client, Web UI, messaging, Qiskit/MCP t | 72 | Codex, OpenCode | 1 | 4,250 tok |
| Arize-ai/arize-skills Agent skills for Arize — datasets, experiments, and traces via the ax CLI | 72 | Codex, OpenCode | 1 | 614 tok |
| HollyZoe/cheatengine-mcp-tcp-bridge TCP-enhanced fork of Cheat Engine MCP Bridge. Connect Cursor, Copilot and Claude AI direct | 72 | Claude Code, Codex, OpenCode | 2 | 4,513 tok |
| inercia/MCPShell Use shell scripts as MCP tools | 72 | Codex, OpenCode | 1 | 531 tok |
| laguagu/claude-code-nextjs-skills Claude Code skills for AI apps • Next.js 16 • AI SDK 7 • pgvector • bun | 72 | Claude Code, Codex, OpenCode | 2 | 49 tok |
| elahlabs/elah elah.dev Elah is a browser-native video editing framework and toolkit for building high-performance | 72 | Codex, OpenCode | 1 | 2,168 tok |
| Servosity/msp-skills msp-skills.compoundingteams.com Free MCP servers + Claude Code Skills for MSP tools - PSA, RMM, backup, M365. Local-first: | 72 | Codex, OpenCode | 1 | 2,894 tok |
| scylladb/scylla-cluster-tests Tests for Scylla Clusters | 72 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 10,379 tok |
| moshehbenavraham/Ultimate-Agent-Directory moshehbenavraham.github.io 🤖 The most comprehensive directory of AI agent frameworks, platforms, tools, and resource | 72 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,625 tok |
| ilmenit/AltirraSDL Portable version of Altirra - 8bit Atari emulator by Avery Lee | 72 | Claude Code, Codex, OpenCode | 2 | 5,725 tok |
| motoya0118/pavlok_CLI_agent A self-harm experiment to see what happens when a CLI agent is made to use Pavlok | 72 | Codex, OpenCode | 9 | 150 tok |
| w00ing/seer-skill | 72 | Codex, OpenCode | 1 | 78 tok |
| haoaaa-111/taoketong 🎓 Class schedule parsing · Attendance prediction · Skipping-class plans · Feedback-based | 71 | Claude Code, Codex, OpenCode | 2 | 673 tok |
| opencoredev/openchat osschat.dev An open source ai platform being built for everyone ❤️ | 71 | Claude Code, Codex, OpenCode | 2 | 3,190 tok |
| tubecreate/zhiying tubecreate.com ⚡ ZhiYing — Ultimate open-source AI Agents ecosystem collaboration system | Agents Browser | 71 | Claude Code, Codex | 1 | — |
| yeet-src/pktscope Wireshark-style terminal packet analyzer on eBPF/TCX — live packet list, protocol detail t | 71 | Claude Code, Codex, OpenCode | 2 | 7,327 tok |
| GoogleCloudPlatform/evalbench EvalBench is a flexible framework designed to measure the quality of generative AI (GenAI) | 71 | Codex, OpenCode | 1 | 2,556 tok |
| Case211/skill-remnawave-xray Claude Code skill/plugin: Remnawave + Xray Reality/Vision + Caddy selfsteal + mihomo — ref | 71 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,844 tok |
| agentic-ops/real-estate-mcp A Model Context Protocol server for real estate workflows — search, valuation, mortgage ma | 71 | Claude Code, Codex, OpenCode | 2 | 1,286 tok |
| catalystbyzoho/agent-skills AI agent skills for Catalyst by Zoho — enables Claude, Gemini, Cursor, Copilot, and Windsu | 71 | Codex, OpenCode | 1 | 2,468 tok |
| unisic/unisic unisic.app Screenshot & screen-recorder for Linux. | 71 | Claude Code, Codex, OpenCode | 4 | 19,446 tok |
| ningzimu/codex-gpt-image OpenClaw/Claude Code SKILL.md for gpt-image-2 via Codex OAuth, no OPENAI_API_KEY required | 71 | Codex, OpenCode | 1 | 290 tok |
| khasky/awesome-agents-md One self-contained AGENTS.md with shared rules for AI coding agents: Claude Code, OpenAI C | 71 | Codex, OpenCode | 1 | 2,228 tok |
| Echo1LZJY/echo-kaoyan-english-skill Echo_Graduate Entrance Exam English SKILL: detailed analysis of past exam questions, trans | 71 | Claude Code, Codex, OpenCode | 3 | 1,380 tok |
| Synthesys-Lab/assassyn Asynchronous semantics for architectural simulation and synthesis. | 71 | Claude Code, Codex, Cursor, OpenCode | 30 | 347 tok |
| Sunwood-ai-labs/SourceSage sunwood-ai-labs.github.io Repository analysis CLI that turns source trees into AI-friendly Markdown documentation. | 71 | Claude Code, Codex, OpenCode | 2 | 1,850 tok |
| AlexanderMattTurner/agent-glovebox A minimal-friction secure experience that lets agents do their work. (beta) | 70 | Claude Code, Codex, GitHub Copilot, OpenCode | 45 | 2,257 tok |
| patsnap/mcp patsnap.com MCP server for 200M+ patents, scientific literature, chemistry and pharma records. Search | 70 | Codex | 1 | — |
| contentful/skill-kit contentful.github.io TypeScript SDK for building agent skills as typed state machines — define steps, validate | 70 | Claude Code, Codex, OpenCode | 5 | 2,833 tok |
| csuyincs-creator/fluidglass-ui WebGL fluid glass card interface generator — agent skill + zero-dependency reference imple | 70 | Codex, OpenCode | 1 | 734 tok |
| color4-alt/CiteCheck Agent Skill: Check academic paper citations for format, queryability, thematic relevance, | 70 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,320 tok |
| stbenjam/skillsaw skillsaw.org Keep your skills sharp. Intelligence for agent context. | 70 | Claude Code, Codex, GitHub Copilot, OpenCode | 19 | 17,185 tok |
| DanWahlin/ai-agent-board Drag-and-drop Kanban board that delegates coding tasks to AI agents — GitHub Copilot, Clau | 70 | Claude Code, Codex, OpenCode | 17 | 2,948 tok |
| RYOITABASHI/Shelly ryoitabashi.github.io AI terminal and agent runtime for Android — Codex and Claude Code on the phone, with an ap | 70 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 18,172 tok |
| monarch-initiative/dismech dismech.monarchinitiative.org Disease Mechanisms KB | 70 | Claude Code, Codex, GitHub Copilot, OpenCode | 43 | 267 tok |
| chujian66688/Tuling-Ai An enterprise-grade AI assistant system based on RAG (retrieval-augmented generation) and | 70 | Codex, OpenCode | 4 | 1,696 tok |
| mikkovihonen/quadletman mikkovihonen.github.io Web application for managing rootless podman containers with quadlets and systemd | 70 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 16,535 tok |
| erosTeam/NextE Native HarmonyOS NEXT E-Hentai / ExHentai client | 70 | Claude Code, Codex, OpenCode | 2 | 1,358 tok |
| vtxf/mcp-all-in-one A powerful MCP (Model Context Protocol) service aggregator that combines multiple MCP serv | 70 | Claude Code, Codex, OpenCode | 6 | 286 tok |
| 1c-neurofish/onec-client-mcp-devkit An MCP server implementation that runs in the 1C:Enterprise client | 70 | Claude Code, Codex, OpenCode | 3 | 483 tok |
| GregorBiswanger/featherspec A featherweight spec-driven development template with a Memory Bank, for Claude Code, GitH | 70 | Claude Code, Codex, GitHub Copilot, OpenCode | 10 | 3,280 tok |