22,145 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 |
|---|---|---|---|---|
| gensyn-ai/gensyn-delphi-skills Skills for agents to view markets and place trades on Gensyn's Delphi prediction markets | 16 | Claude Code, Codex, OpenCode | 2 | 6 tok |
| profclaw/profclaw profclaw.ai AI agent engine with 22 chat channels, 65 tools, and 15 skills. Self-hosted, local-first, | 16 | Codex, Cursor, OpenCode, Windsurf | 3 | 2,679 tok |
| veecle/chiplab veecle.ai Give agents access to virtual hardware. | 16 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,984 tok |
| boyand/codex-review Claude Code plugin for multi-round Codex reviews of plans and implementations. | 16 | Claude Code, Codex, OpenCode | 2 | 1,037 tok |
| thecombatwombat/replicant-mcp Android MCP server - production-grade, token-optimized, accessibility-first | 16 | Claude Code, Codex, OpenCode | 12 | 527 tok |
| gurkanfikretgunak/masterfabric_core pub.dev A comprehensive Flutter package core utilities, base classes, and shared logic for buildin | 16 | Claude Code, Codex, Cursor, OpenCode | 3 | 54 tok |
| K-dash/typemux-cc Claude Code plugin: Python type-checker LSP multiplexer. Auto-detects .venv and routes to | 16 | Claude Code, Codex, OpenCode | 6 | 1,169 tok |
| renatobardi/hapai renatobardi.github.io Deterministic guardrails for AI coding assistants. Enforce rules via Bash hooks before exe | 16 | Claude Code, Codex, OpenCode | 2 | 13,646 tok |
| GuiminChen/crate CRATE (Compile Raw Archives, Tracked in the vault, into Encyclopedic wiki) | 16 | Codex, Cursor, OpenCode | 2 | 708 tok |
| LuChangQiu/lrnev-govern npmjs.com Project governance engine for AI-assisted development. Available as both an MCP service an | 16 | Codex, OpenCode | 1 | 762 tok |
| nodnarbnitram/claude-code-extensions These are a collection of extension for Claude Code that can typically also be used in ope | 16 | Claude Code, Codex, OpenCode | 11 | 4,389 tok |
| mdlmarkham/TailOpsMCP Secure remote monitoring and AI-assisted operations for your homelab over Tailscale — powe | 16 | Claude Code, Codex, OpenCode | 23 | 1,174 tok |
| a-tokyo/agent-skills skills.sh 🧠 AI Agent skills for LLMs and AI Agents - Claude, Codex, Cursor etc. | 16 | Claude Code, Codex, OpenCode | 2 | 1,128 tok |
| Thibaultbm/claude-seo-geo sorank.com SEO & GEO skills for Claude Code, built with Claude Mythos 5. Rank in Google AND in LLMs ( | 16 | Claude Code, Codex, OpenCode | 1 | 755 tok |
| iannuttall/mailroom Private email infrastructure for people and AI agents. | 16 | Claude Code, Codex, OpenCode | 2 | 1,623 tok |
| olddonkey/olddonkey-skills Agent skills distilled from real-world usage — codex-implementation-loop: delegate coding | 16 | Codex, OpenCode | 1 | 1,813 tok |
| oscal-compass-lab/compliance-trestle-skills Agent-portable Compliance Trestle and OSCAL engineering toolkit: convert legacy SSPs to OS | 16 | Codex, Gemini CLI, OpenCode | 2 | 1,658 tok |
| HMAKT99/AKF akf.dev Trust metadata for AI agents — a stamp costs ~15 tokens, re-verifying costs 15,000. Agents | 16 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 1,691 tok |
| drisplabs/browser-mcp agent-web-interface.com Token-efficient browser automation MCP for AI agents, with semantic page snapshots and sta | 16 | Claude Code, Codex, OpenCode | 2 | 5,120 tok |
| microsoft/azure-ai-search-foundry-iq-live-knowledge-sources microsoft.github.io Reusable accelerator for Foundry IQ live grounding with Fabric Ontology and MCP Server Kno | 16 | Codex, OpenCode | 1 | 2,138 tok |
| najaeda/naja-scope pypi.org MCP server for AI agents to explore SystemVerilog/Verilog netlists: trace connectivity, wa | 16 | Claude Code, Codex, OpenCode | 2 | 401 tok |
| whitequeen306/code-cortex-loop One-command AI code quality pipeline: review, security, tests, performance, simplify & cle | 16 | Codex, OpenCode | 1 | 1,601 tok |
| jnPiyush/AgentX agentx-silk.vercel.app AgentX - Digital Force for Software Delivery | 16 | Claude Code, Codex, GitHub Copilot, OpenCode | 11 | 13,486 tok |
| databricks-solutions/ai-platform-kit AI-powered Databricks platform engineering — provision workspaces, configure Unity Catalog | 16 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 1,603 tok |
| ReadyToGo-Education/fluxo_criativo | 16 | Claude Code, Codex, OpenCode | 6 | 23,770 tok |
| Xquik-dev/xquik-docs docs.xquik.com Twitter API docs for tweet search, follower exports, webhooks, MCP, SDKs, and X automation | 16 | Codex, OpenCode | 1 | 603 tok |
| DeliciousBuding/codex-browser-bridge Expose the ChatGPT desktop app's browser bridge (formerly Codex Desktop) as an MCP server | 16 | Codex, OpenCode | 1 | 1,730 tok |
| icoretech/warden-mcp npmjs.com 🔐 Vaultwarden / Bitwarden MCP server for credential-aware AI agents | 16 | Claude Code, Codex, OpenCode | 2 | 226 tok |
| Zandereins/schliff pypi.org Deterministic quality scorer for AI agent instruction files — 8-dimension scoring with sec | 16 | Codex, OpenCode | 1 | 1,073 tok |
| earonesty/boxpdf earonesty.github.io Tiny box-layout DSL over pdf-lib. Flexbox-lite for server-side PDF generation in Node, Clo | 16 | Codex, OpenCode | 1 | 148 tok |
| bobmatnyc/claude-mpm-agents Agent template library for Claude MPM with BASE-AGENT.md inheritance system. 39 specialize | 16 | Claude Code, Codex, OpenCode | 2 | 1,082 tok |
| tripsyapp/cli | 16 | Codex, OpenCode | 1 | 2,353 tok |
| portdeveloper/docusaurus-plugin-copy-page-button npmjs.com Docusaurus plugin that adds a copy page button to extract documentation content as markdow | 16 | Codex, OpenCode | 1 | 1,447 tok |
| ArchSightLabs/archsight-aios Skills, workflows, and multi-agent toolkit for knowledge workers and AI R&D teams in the c | 16 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 757 tok |
| oila-gmbh/skill-bill skillbill.dev SkillBill packages your engineering judgment into governed skills, then uses a durable Kot | 16 | Claude Code, Codex, OpenCode | 2 | 2,769 tok |
| kununu/agent-bridge This skill accommodates Agent-to-Agent communitcation: e.g. Codex asking Claude for a revi | 16 | Codex, OpenCode | 1 | 139 tok |
| kpshinnik/docs_masked Local anonymization of documents before sending them to an LLM and restoration of the orig | 16 | Codex, OpenCode | 1 | 612 tok |
| hby7921/BannerlordSage A Model Context Protocol (MCP) server for Mount & Blade II: Bannerlord. Gives AI agents ac | 16 | Codex, GitHub Copilot, OpenCode | 2 | 1,480 tok |
| PIsberg/vibetags VibeTags is a Java annotation processor that acts as AI guardrails for code generation too | 16 | Claude Code, Codex, Gemini CLI, OpenCode | 14 | 8,031 tok |
| jasonjgardner/blockbench-mcp-project Example project using the Blockbench MCP plugin | 16 | Claude Code, Codex, GitHub Copilot, OpenCode | 14 | 1,015 tok |
| Mofesto/fubon-api-mcp-server | 16 | Claude Code, Codex, GitHub Copilot, OpenCode | 8 | 5,373 tok |
| javded-itres/Holix holix-agent.ru Helix is a powerful self-learning AI agent with memory, skills, and the ability to recal | 16 | Codex, OpenCode | 1 | 293 tok |
| shir-danishyar/humanize Agent skill that removes documented AI-writing patterns — two modes, register awareness, v | 16 | Codex, OpenCode | 1 | 277 tok |
| ckorhonen/claude-skills cdd.dev A curated collection of skills for Claude Code and Codex — specialized capabilities across | 16 | Claude Code, Codex, OpenCode | 2 | 502 tok |
| avikalpa/codex-litellm Maintained LiteLLM patchset for Codex CLI. | 16 | Codex, OpenCode | 1 | 1,905 tok |
| kcsinclair/kaos-control kaos-control.io Self-hosted orchestrator for Claude Code agents: drive ideas through a role-gated SDLC (pl | 16 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,334 tok |
| twells89/sigma-migration-skills Claude Code plugin marketplace: migrate Tableau / Power BI / Qlik to Sigma (converter + as | 16 | Codex, OpenCode | 1 | 2,968 tok |
| BnJam/stac-mcp An MCP Server for STAC requests | 16 | Codex, GitHub Copilot, OpenCode | 2 | 5,711 tok |
| marcusquinn/amazon-order-history-csv-download-mcp Download Amazon Order History As Orders & Items CSV files, plus simplified CSV file versio | 16 | Claude Code, Codex, Cursor, OpenCode | 3 | 1,350 tok |
| skein-js/skein-js skein-js.github.io Open-source alternative to LangGraph Platform for TypeScript — self-host your LangGraph.js | 16 | Claude Code, Codex, OpenCode | 4 | 3,186 tok |