45,053 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 agents8,576Claude Code6,909Git and workflow3,638Data and AI3,577Backend and APIs3,561Languages3,499Planning3,322Code review2,907Testing2,704DevOps and cloud2,498Writing and docs2,488Memory and context2,373Research2,320Frontend2,317Security2,182Project management1,989
All Claude Code32,564 Codex24,947 OpenCode23,868 GitHub Copilot3,726 Gemini CLI2,040 Cursor1,770 Windsurf203 Kiro117
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| supernovae-st/nika-plugins docs.nika.sh One Add teaches your agent Nika: skills, commands, hooks, an MCP oracle. | 3 | Codex, OpenCode | 1 | 1,195 tok |
| HarperFast/skills Developer skills for building with Harper. Auto-generated from the documentation. | 3 | Codex, OpenCode | 1 | 140 tok |
| contentstack/contentstack-ios iOS SDK for Contentstack's Content Delivery API | 3 | Codex, OpenCode | 1 | 905 tok |
| grahama1970/extractor Advanced multi-format document processing with AI accuracy improvements - Enhanced marker- | 3 | Claude Code, Codex, OpenCode | 54 | 8,882 tok |
| tatargabor/set-copilot Voice dictation + real-time meeting copilot for Claude Code — speak into the mic, cross-re | 3 | Claude Code | 65 | 12,639 tok |
| quay/ai-helpers | 3 | Claude Code | 1 | — |
| AtlassianPS/JiraAgilePS PowerShell module to interact with Jira's Agile plugin | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 2,263 tok |
| drillan/stapy116 | 3 | Claude Code | 3 | 875 tok |
| infra-geo-ouverte/sdg infra-geo-ouverte.github.io Librairie de composantes pour le système de design gouvernemental du Québec | 3 | Claude Code, Codex, GitHub Copilot | 3 | 39 tok |
| JocysCom/SslScanner Scan SSL/TLS certificate and domain expiry dates. | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 8,260 tok |
| kestra-io/plugin-nats kestra.io Tasks that publish, subscribe, and work with NATS messaging. | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 399 tok |
| twohoursonelife/dictator A user management and utility Discord bot specifically built for Two Hours One Life. | 3 | Codex, OpenCode | 1 | 137 tok |
| bnaylor/sharpei Sharpei Todo Management | 3 | Gemini CLI | 1 | 90 tok |
| batleforc/ProxyAuthK8S batleforc.github.io Kubernetes api server reverse proxy and agregator | 3 | Claude Code | 5 | 2,043 tok |
| bittencourtthulio/expxdev npmjs.com CLI do metodo Expx: instala, atualiza e diagnostica o ecossistema de skills (sprintx, runx | 3 | Claude Code | 2 | — |
| owncloud/moodle-repository_ocis | 3 | Claude Code, Codex, OpenCode | 2 | 716 tok |
| RegestaItalia/trm-core docs.trmregistry.com Core Node.js library for TRM, the open-source package manager for SAP ABAP, implementing p | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 432 tok |
| anthony-spruyt/claude-plugins | 2 | Claude Code | 17 | 659 tok |
| fiscaltec/vitally-mcp | 2 | Claude Code | 3 | 43,659 tok |
| ormastes/simple Self-hosted programming language and toolchain with Python-like syntax, native compilation | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 15 | 12,193 tok |
| sumioshi/whatsapp-automation Coletor 24/7 de conteúdo (áudio, vídeo, imagem, texto) de grupos de WhatsApp via Baileys, | 2 | Claude Code, Codex, OpenCode | 14 | 8,952 tok |
| adam-s-k-i/super-backlog adam-s-k-i.github.io One command to give any repo an AI agent workflow: Backlog.md task tracking + Superpowers | 2 | Claude Code, Codex, OpenCode | 2 | 1,760 tok |
| Sharrmavishal/operating-kit Portable, project-agnostic operating kit for Claude Code and Cursor. A disciplined builder | 2 | Claude Code | 1 | 1,086 tok |
| gemini-cli-extensions/google-secops Gemini CLI Extension for Google SecOps OneMCP. | 2 | Gemini CLI | 1 | 1,356 tok |
| alrcatraz/astra-knowledge-base-mcp Knowledge base for AI Agent, supports vectorisation, SAG | 2 | Codex, OpenCode | 1 | 4,080 tok |
| terrylica/cc-skills Claude Code Skills Marketplace: plugins, skills for ADR-driven development, DevOps automat | 2 | Claude Code | 1 | 2,616 tok |
| zhengyanglsun/iflow-search-js Official JavaScript SDK and integrations for iFlow Search | 2 | Claude Code | 1 | 2,412 tok |
| hyperlogue/r3 r3.hyperlogue.tech Understand what's built. Steer what's next. | 2 | Claude Code, Codex, OpenCode | 3 | 466 tok |
| ddong8/memento mem.ihasy.com A shared brain for your AI coding tools — collects conversations, plans and memory from Cl | 2 | Claude Code, Codex, OpenCode | 2 | 2,779 tok |
| MustaphaSteph/agent-bus Local message bus for Claude Code, Codex, and other MCP agents: one SQLite file, 65 MCP to | 2 | Claude Code, Codex, OpenCode | 2 | 457 tok |
| Chuan-Peng-Lab/SPE_Database A database that include trial-level data and meta-data from studies that used self-matchi | 2 | Claude Code, Codex, OpenCode | 2 | 6,091 tok |
| quangdang46/agents_environment_setup One-command provisioning and verification of complete AI coding agent environments with re | 2 | Codex, OpenCode | 1 | 5,495 tok |
| The-Utopia-Studio/skills the-utopia-studio.github.io Operator-grade AI skill marketplace for The Utopia Studio — 357 curated skills across GTM | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,692 tok |
| apappascs/claude-code-sessions Session intelligence for Claude Code — search, analyze, and manage every session across al | 2 | Claude Code | 1 | 1,385 tok |
| tony-42069/council-sim councilsim.live AI-powered city council debate simulator for data center proposals. 5 AI agents debate a d | 2 | Claude Code | 1 | 870 tok |
| bethanychamberlain/claude-skills-librechat Claude Code skills for LibreChat administration and configuration | 2 | Claude Code | 1 | 1,090 tok |
| zywkloo/wtcraft npmjs.com Git-native agent governance core — task contracts and deterministic scope/verification che | 2 | Claude Code, Codex, OpenCode | 7 | 699 tok |
| ralvarezdev/ralvaskills skills.ralvarez.dev My personal, ever-growing collection of AI skills for OpenCode and Claude Code. Enforces s | 2 | Claude Code, Codex, OpenCode | 2 | 1,829 tok |
| cckyros/goal-acceptance Acceptance-criteria-driven goal completion for autonomous agents — core library, MCP serve | 2 | Codex, OpenCode | 1 | 1,070 tok |
| jspw/exciton npmjs.com Run Claude Code with an agentic framework dialled to the level the task deserves — for one | 2 | Claude Code | 1 | 2,489 tok |
| Tannnnhauser/pivot-web-search Resilient multi-provider web search & content extraction for Claude Code, DeepSeek Harness | 2 | Claude Code | 1 | 1,805 tok |
| zircote/markdown-lsp docs.anthropic.com Claude Code plugin for Markdown development with marksman LSP and markdownlint hooks | 2 | Claude Code, GitHub Copilot | 2 | 397 tok |
| GleeMCP/Glee gleemcp.com The Essential MCP Toolkit for Developers | 2 | Claude Code | 1 | 874 tok |
| tigrisdata/skills Agent skills for interacting with object storage | 2 | Claude Code, Codex, OpenCode | 2 | 1,772 tok |
| stefanoverna/basecamp-mcp MCP server for Basecamp 3 with OAuth, TypeScript, and 47 tools for projects, messages, tod | 2 | Codex, OpenCode | 1 | 5,651 tok |
| ethereumfollowprotocol/team-mcp team-mcp.efp.workers.dev MCP server for EFP team to be able to search through their github organizations | 2 | Claude Code | 3 | — |
| raihan0824/mcp-fooocus-api | 2 | Claude Code | 1 | 856 tok |
| ethereumfollowprotocol/google-services-mcp google-services-mcp.efp.workers.dev MCP server for interacting with the google services used by the EFP team | 2 | Claude Code | 3 | — |
| bobleer/deepseek-harness-plugin-mcp MCP server that lets any agent discover, install, and run DeepSeek Harness plugins (topic: | 2 | Codex, OpenCode | 1 | 122 tok |
| Junjianxin/jjx-js-reverse-mcp An enhanced MCP tool combining js-reverse-mcp and chrome-devtool-mcp. | 2 | Claude Code | 1 | 796 tok |