23,157 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 agents7,557Claude Code6,620Data and AI3,682Backend and APIs3,496Languages3,401Planning3,217Git and workflow3,165Code review2,733Testing2,364Memory and context2,364DevOps and cloud2,310Writing and docs2,303Research2,297Frontend2,252Security2,013Productivity1,710
All Claude Code31,977 Codex23,157 OpenCode22,109 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,739 Windsurf129 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| waylondev/kb-pilot A lightweight, Git-native knowledge base skill for AI Agents — no vector DB, no chunking, | 34 | Codex, OpenCode | 1 | 1,802 tok |
| conorbronsdon/substack-mcp conorbronsdon.com MCP server for Substack: rich drafts, Notes, analytics, and consented subscriber managemen | 34 | Claude Code, Codex, OpenCode | 2 | 925 tok |
| surendranb/writing-skills Procedural writing-style skills for AI agents: official frameworks (plain language, busine | 34 | Codex, OpenCode | 1 | 513 tok |
| zoeynine/Local-Codex-Bridge A lightweight Windows bridge that lets ChatGPT invoke native Codex sessions on the local m | 34 | Codex, OpenCode | 1 | 1,130 tok |
| sergebulaev/tiktok-skills cccrafts.ai TikTok marketing skills for Claude Code and Codex: 3-second video hooks, captions, trend m | 34 | Claude Code, Codex, OpenCode | 2 | 3,673 tok |
| cyj0920/jlink_mcp A powerful Model Context Protocol (MCP) server for J-Link debuggers that provides comprehe | 34 | Codex, OpenCode | 1 | 2,567 tok |
| whtoo/How_to_implment_PL_in_Antlr4 whtoo.github.io A concise tutorial on building a programming language, also serving as an unofficial ANTLR | 34 | Claude Code, Codex, OpenCode | 11 | 4,269 tok |
| RuiRomano/powerbi-agentic-mcp-cloud-agent | 34 | Claude Code, Codex, GitHub Copilot | 4 | 345 tok |
| algorand-devrel/algorand-agent-skills Canonical collection of Agent Skills for for AI-assisted development on Algorand | 33 | Codex, OpenCode | 1 | 578 tok |
| xSAVIKx/okf-skills xsavikx.github.io Open Knowledge format agentic skills | 33 | Codex, OpenCode | 1 | 3,959 tok |
| Zulut30/Wordpress-skills Professional Agent Skill for building, auditing, testing, and releasing modern WordPress p | 33 | Codex, OpenCode | 1 | 638 tok |
| Nagarjuna2997/ios-agent-skill nagarjuna2997.github.io Swift source, Apple guides and MCP tools for AI coding agents. Review iOS code, scaffold a | 33 | Claude Code, Codex, Gemini CLI, OpenCode | 7 | 2,475 tok |
| FlyFission/nuclear-grade-context-engineering AI agents now operate with authority. Authority without discipline is how complex systems | 33 | Codex, OpenCode | 1 | 1,038 tok |
| codeaashu/claude-code-info claude-code-os.vercel.app Leaked Claude Code source tree, documented: every file under claude/src with generated sum | 33 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| blackblue-labs/skill2 Skills for your skills. Create, test, audit, package, and visualize Agent Skill libraries— | 33 | Codex, OpenCode | 1 | 348 tok |
| dreamiurg/claude-mountaineering-skills Automates mountain route research for North American peaks. Aggregates data from 10+ mount | 33 | Claude Code, Codex, OpenCode | 2 | 1,504 tok |
| ggwhite/4x ggwhite.github.io Agentic AI development loop that splits Design, Code, Review, and Test into isolated roles | 33 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 8 | 2,160 tok |
| thought2code/mcp-java-sdk-examples A collection of MCP server examples developed with Java SDKs | 33 | Codex, OpenCode | 1 | 141 tok |
| abhishekbhakat/airflow-mcp-server pypi.org MCP Server for Apache Airflow | 33 | Codex, OpenCode | 1 | 1,369 tok |
| machinesoul11/anti-sycophant-ai-agent-skills Skills that get AI assistants to stop agreeing with bad product ideas by default — pressur | 33 | Claude Code, Codex, OpenCode | 4 | 1,152 tok |
| mjun0812/python-project-template A simple modern Python project template with uv, Docker, Claude Code, Cursor, devcontainer | 33 | Claude Code, Codex, OpenCode | 4 | 500 tok |
| oculus-samples/Unity-MetaXRAudioSDK This project contains Unity samples for Meta's Presence Platform Audio SDK. The Oculus SDK | 33 | Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 998 tok |
| weAAAre/a11y-agents-kit Accessibility tools and agent skills for AI coding agents | 33 | Codex, OpenCode | 1 | 1,531 tok |
| bikeread/promethos A skills-first framework for agent-system design, governance, evaluation, and evolution ac | 33 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,474 tok |
| tmchow/illo-characters Community character packs for the illo editorial-illustration agent skill | 33 | Claude Code, Codex, OpenCode | 2 | 1,761 tok |
| gc-victor/supersimple Lightweight OpenCode profile for routine dev work with focused agents, local skills, and c | 33 | Codex, OpenCode | 1 | 320 tok |
| vltansky/cursor-chat-history-mcp npmjs.com | 33 | Codex, OpenCode | 1 | 2,766 tok |
| sfc-gh-dflippo/snowflake-dbt-demo This project demonstrates many of dbt's features when used with the Snowflake Data Cloud | 33 | Codex, OpenCode | 1 | 10,406 tok |
| frmoretto/clarity-gate clarity-gate.org Stop LLMs from hallucinating your guesses as facts. Clarity Gate is a verification protoco | 33 | Claude Code, Codex, OpenCode | 2 | 1,163 tok |
| oomkapwn/enquire-mcp oomkapwn.github.io The #1 Obsidian MCP for AI memory — freshness-aware, cited, local-first and read-only by d | 33 | Codex, OpenCode | 1 | 3,532 tok |
| lightweight-component/aj-mcp mcp.ajaxjs.com Simple MCP SDK in Java 8 | 33 | Codex | 1 | — |
| zebbern/agent-collab Run Codex and Cursor as background workers inside Claude Code. Reviews, tasks, and rescues | 33 | Claude Code, Codex, OpenCode | 2 | 2,358 tok |
| iliaal/whetstone AI-powered development tools. 19 agents, 22 commands, 32 skills, 1 hook, 1 MCP server for | 33 | Claude Code, Codex, OpenCode | 2 | 5,661 tok |
| jherr/tanmaxx-17 TanMaxx using 17 TanStack Projects | 33 | Codex, OpenCode | 1 | 150 tok |
| KhaledSaeed18/node-express-boilerplate Production-ready Express + TypeScript backend boilerplate with clean layered architecture, | 33 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode, Windsurf | 6 | 1,536 tok |
| trsdn/markitdown-mcp 📄 Professional MCP server for converting 29+ file formats to Markdown - Perfect for Claud | 33 | Codex, OpenCode | 1 | 5,197 tok |
| powerofjinbo/phdtaketaketake Connection-first PhD advisor matcher — find the right advisor by network strength, not h-i | 33 | Codex, OpenCode | 1 | 697 tok |
| grcengineering/companion grc.engineering The GRC Companion turns vendor reviews, audit walkthroughs, questionnaires, policy work, c | 33 | Codex, OpenCode | 1 | 322 tok |
| inference-gateway/adl adl.inference-gateway.com A declarative language for defining AI agents, their capabilities, skills and tools. ADL s | 33 | Claude Code, Codex, OpenCode | 3 | 802 tok |
| kage-core/Kage kage-core.com Persistent, verified memory for coding agents — so they stop re-explaining your codebase a | 33 | Claude Code, Codex, OpenCode | 2 | 2,407 tok |
| symfony/ai-mate symfony.com AI development assistant MCP server for Symfony projects | 33 | Claude Code, Codex, OpenCode | 2 | 2,041 tok |
| verygoodplugins/mcp-toggl verygoodplugins.com MCP server for Toggl Track integration with intelligent caching and reporting tools | 33 | Claude Code, Codex, OpenCode | 2 | 3,646 tok |
| TeneoProtocolAI/teneo-skills Teneo Protocol AI agent skills for Claude Code and AI coding assistants | 33 | Claude Code, Codex, OpenCode | 2 | 3,991 tok |
| nirholas/bnbchain-mcp nirholas.github.io Developer tools for AI crypto agents 🛠️ Build apps with DeFi trading, DEX swaps, smart c | 33 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 7,816 tok |
| Dayoooun/hwpx-mcp npmjs.com An MCP server for reading and writing Korean documents (HWPX) — 125 tools. npm: @kimdayoun | 33 | Claude Code, Codex, OpenCode | 2 | 2,219 tok |
| pvliesdonk/markdown-vault-mcp pvliesdonk.github.io Generic markdown collection MCP server with FTS5 + semantic search, frontmatter-aware inde | 33 | Claude Code, Codex, OpenCode | 2 | 5,441 tok |
| geekatron/jerry jerry.geekatron.org A Claude Code plugin for behavior and workflow guardrails with knowledge accrual | 33 | Claude Code, Codex, OpenCode | 3 | 10,984 tok |
| DeployFaith/hermes-bible-skill Community knowledge base skill for Hermes Agent — 169 pages of docs, 25+ real-world flows, | 33 | Codex, OpenCode | 1 | 680 tok |
| RafaelGorski/Problem-Based-SRS rafaelgorski.github.io An Agent Skill to use Problem-Based Software Requirements Specification (SRS) method in yo | 33 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 12,019 tok |
| Byte-n/larkDocx2md Export Feishu (Lark) documents to Markdown, including drawing data within documents. AI-fr | 33 | Claude Code, Codex | 1 | — |