23,196 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 agents7,571Claude Code6,627Data and AI3,684Backend and APIs3,492Languages3,401Planning3,221Git and workflow3,179Code review2,740Testing2,368Memory and context2,365Writing and docs2,309DevOps and cloud2,308Research2,298Frontend2,256Security2,015Productivity1,715
All Claude Code31,984 Codex23,196 OpenCode22,145 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,736 Windsurf133 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| zapgun-ai/clawback clawback.md Tokenmaxxing Gateway for Claude Code | 5 | Claude Code, Codex, OpenCode | 2 | 6 tok |
| mathpluscode/bibtools bib.tools A bibliography toolkit for LaTeX, built as agent skills. | 5 | Claude Code, Codex, OpenCode | 2 | 709 tok |
| droxer/Synapse An open-source AI agent platform that does the work for you. | 5 | Claude Code, Codex, OpenCode | 2 | 1,312 tok |
| baldaworks/promptkitty npmjs.com PromptKit workflows for coding agents, the command line, and Go — agent skills plus determ | 5 | Codex, OpenCode | 1 | 1,407 tok |
| lanseqingling/lantern An open-source comics workspace for individual comic creators, supporting story and asset | 5 | Codex, OpenCode | 1 | 2,060 tok |
| soia-team/soia-open-skills SOIA Skill ecosystem portal: authoritative specifications, Skill directory, and cross-repo | 5 | Codex, OpenCode | 1 | 839 tok |
| recallnet/codecontext Force agents to read critical context left by other agents, enforced by linting and freshn | 5 | Claude Code, Codex, OpenCode | 5 | 2,003 tok |
| hookdeck/agent-skills hookdeck.com Agent Skills for working with Hookdeck products — Event Gateway (webhooks/events) and Outp | 5 | Claude Code, Codex, OpenCode | 2 | 5,329 tok |
| markdavidgan/apple-dev-skills Apple platform development skills for Claude Code, Cursor, Kimi Code, Antigravity, Codex C | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 7,239 tok |
| hardiktiwari/PM-operating-OS An operating system for product managers — persistent product context, an on-demand skills | 5 | Codex, OpenCode | 1 | 442 tok |
| TheSethRose/Vulnerability-Scanning sethrose.dev Local-first vulnerability and supply-chain scanning for agent runtimes. | 5 | Codex, OpenCode | 1 | 978 tok |
| clix-so/skills docs.clix.so An open collection of agent skills for Clix. | 5 | Claude Code, Codex, OpenCode | 2 | 437 tok |
| netresearch/matrix-skill Three Agentic Skills for Matrix: encrypted chat with a daemon that follows rooms live, Syn | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,744 tok |
| Noshkoto/Noshy Your agent has amnesia. Noshy fixes that. Persistent memory for AI agents — LLM extraction | 5 | Codex, OpenCode | 1 | 771 tok |
| puristajs/harness purista.dev AI Harness build on top of typescript | 5 | Claude Code, Codex, OpenCode | 2 | 694 tok |
| disruptionjoe/caret Caret^ cuts repeated agent instructions down to compact notation. Across our sample set, | 5 | Codex, OpenCode | 1 | 458 tok |
| devoncarew/flutter-slipstream Live Flutter app introspection for coding agents. | 5 | Claude Code, Codex, OpenCode | 3 | 415 tok |
| punt-labs/z-spec Creates, validates, and animates Z (and B) specifications from source and generates code f | 5 | Claude Code, Codex, OpenCode | 3 | 4,648 tok |
| ryne2010/harness-engineering-audit Codex skill for evidence-linked repository harness audits, scored assessments, and priorit | 5 | Codex, OpenCode | 1 | 288 tok |
| talesofai/okp cohub.live The context layer for AI agents — open, structured, searchable knowledge protocol (Domain | 5 | Codex, OpenCode | 1 | 1,386 tok |
| Nitmi/baud-cli pypi.org Agent-friendly serial diagnostics and guarded hardware workflows | 5 | Codex, OpenCode | 1 | 100 tok |
| nobrainer-tech/nobrainer-tech-skills nobrainer.tech Portable agentic workflows for guarded autonomy, visible sessions, SDD, decisions, RCA, ev | 5 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 4,743 tok |
| stefanoskarakasis/Product-Marketing-Skills stefanoskarakasis.substack.com PMM Skills Marketplace: 30+ agentic skills, commands, and plugins— from growth experiments | 5 | Claude Code, Codex, OpenCode | 2 | 1,719 tok |
| EthanM2025/game-design-lenses 100 game design lenses applied to your design artifacts via Claude Code or Codex. Auto-pic | 5 | Codex, OpenCode | 1 | 1,103 tok |
| sergeyklay/.agents My personal, curated set of artifacts for AI coding agents | 5 | Claude Code, Codex, OpenCode | 5 | 903 tok |
| ahgraber/skills Agent skills | 5 | Claude Code, Codex, OpenCode | 3 | 2,158 tok |
| frankxai/awesome-hermes-agent-skills agentskills.io Web-first Hermes skills index and safety gate: find SKILL.md packs before you install them | 5 | Codex, OpenCode | 1 | 296 tok |
| TGPSKI/catnip pate.sh Capture, analyze, visualize, and retain GitHub repo metrics locally with stdlib-only Pytho | 5 | Codex, OpenCode | 1 | 2,342 tok |
| ZuiTiti/Zuiti-Desktop Rather than being the smartest assistant, it aims to be the one that best understands emot | 5 | Codex, OpenCode | 1 | 2,083 tok |
| zebbern/pocmap zebbern.github.io MCP-native CVE, PoC & exploit discovery toolkit (Metasploit, Nuclei, GitHub & more) | 5 | Claude Code, Codex, OpenCode | 2 | 4,679 tok |
| Miguell-J/mcp-one MCP-one is a central server that connects multiple independent MCP servers and exposes a u | 5 | Codex, OpenCode | 1 | 193 tok |
| criblio/ultra-jira-mcp MCP server for Jira Cloud - Full API access for AI models | 5 | Claude Code, Codex, OpenCode | 5 | 2,007 tok |
| dongsheng123132/2origin 2origin.org Benxiang Protocol · One source, myriad projections: preserve the original form and project | 5 | Claude Code, Codex | 4 | — |
| hexxla/mosaic MCP server for agent memory over HexxlaDB—ring retrieval, embeddings + lexical search, sea | 5 | Claude Code, Codex, OpenCode | 2 | 1,785 tok |
| sandraschi/ai-games-collection Web-based games collection with 100+ games and AI opponents | 5 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 5 | 2,134 tok |
| bit2me-devs/bit2me-mcp mcp.bit2me.com Official MCP local server for Bit2Me digital assets platform | 5 | Codex, OpenCode | 1 | 5,152 tok |
| bookedsolidtech/helixir npmjs.com MCP server that gives AI coding agents deep knowledge of any web component library — prope | 5 | Claude Code, Codex, OpenCode | 35 | 1,572 tok |
| Bortlesboat/bitcoin-api Self-hostable Bitcoin fee intelligence API with optional MCP and x402 integrations. Former | 5 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 4,843 tok |
| aetherwing-io/mish ohitsmish.com The LLM-native shell — five MCP tools for structured output, error diagnostics, and proces | 5 | Claude Code, Codex, OpenCode | 2 | 1,715 tok |
| ANFAIA/ClimaSafe Early warning system for heat and cold risk. Predicts personalized thermal mortality risk | 5 | Claude Code, Codex, OpenCode | 2 | 3,155 tok |
| ytvee-dev/webdev-agent-kit ytdev.me A cross-platform frontend kit for Codex, Claude Code, Cursor, OpenCode, etc. It helps AI c | 5 | Codex, OpenCode | 1 | 1,414 tok |
| raultov/knot knot.kz High-performance Rust MCP server & CLI codebase indexer for AI agents. Unlocks deep codeba | 5 | Codex, OpenCode | 1 | 5,663 tok |
| okforge/okforge-webui okforge.github.io LAN web UI + job runner for okforge knowledge bases: scanned PDF -> VLM OCR -> translated, | 5 | Codex, OpenCode | 1 | 554 tok |
| tidyinfo/qmd A high-performance, private Markdown search engine with Hybrid Search (BM25 + Vector) and | 5 | Codex, OpenCode | 1 | 1,522 tok |
| pblagoje/mcp-ollama-python pblagoje.github.io Ollama MCP Server, let's you chat with your local LLM running on your local OLLAMA server. | 5 | Claude Code, Codex, OpenCode | 8 | 1,857 tok |
| Yinzhanqing/embodied-eval-automation A permission-aware Agent Skill for reproducible, auditable batch episode collection across | 5 | Codex, OpenCode | 1 | 179 tok |
| baixianger/phantom-canvas Your Gemini web app as a service — turn the free Gemini web interface into a programmable | 5 | Codex, OpenCode | 1 | 257 tok |
| senlindesign/coding-wrapped A local-first Coding Wrapped Skill for Claude Code and Codex. | 5 | Codex, OpenCode | 1 | 315 tok |
| perhapsspy/project-legibility Keep long-running repository work coherent and easy to resume. | 5 | Codex, OpenCode | 1 | 449 tok |
| colinwilliams91/gaitor-orchestrator-cli npmjs.com CLI for AIDDLC -- Scaffolded, parallelized, context aware agent runtime in seconds. | 5 | Codex, GitHub Copilot, OpenCode | 6 | 4,548 tok |