23,733 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 agents8,505Claude Code6,886Git and workflow3,611Data and AI3,580Backend and APIs3,556Languages3,487Planning3,327Code review2,899Testing2,686Writing and docs2,480DevOps and cloud2,479Memory and context2,375Research2,323Frontend2,308Security2,172Project management1,965
All Claude Code32,517 Codex24,815 OpenCode23,733 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,770 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| itsab1989/ChromIQ itsab1989.github.io GUI for RGB printer ICC profiling — guided 5-step ArgyllCMS workflow, 3D gamut viewer, qua | 27 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 12,732 tok |
| birgitta410/sensors-cli | 27 | Claude Code, Codex, OpenCode | 8 | 142 tok |
| krzysztofsurdy/code-virtuoso Skills, sub-agents, and playbooks for Claude Code, Cursor, and any Agent Skills-compatible | 27 | Claude Code, Codex, OpenCode | 2 | 5,711 tok |
| kombohq/company-brain Template for creating a long-term sync hub that checks your company's data sources into Gi | 27 | Claude Code, Codex, OpenCode | 2 | 386 tok |
| mtbun/storeshots-mcp npmjs.com Store-ready App Store & Google Play screenshots from any MCP client. Device frames, benefi | 27 | Claude Code, Codex, OpenCode | 2 | 1,916 tok |
| fawdyinc/shellguard MCP server that gives LLM agents read-only shell access over SSH. Powers Fawdy (fawdy.com) | 27 | Codex, OpenCode | 1 | 1,616 tok |
| nokkies/ModbusForge ModbusForge — .NET 8 Avalonia Modbus TCP/RTU/ASCII client/server with simulation, trending | 27 | Claude Code, Codex, OpenCode | 2 | 1,115 tok |
| rustfs/launcher rustfs cross-platform launcher | 27 | Codex, Gemini CLI, OpenCode | 2 | 1,326 tok |
| worlyung/exegete Hallucination-resistant Bible exegesis for Claude — Greek, Hebrew, English & Korean. 4-sta | 27 | Claude Code, Codex, OpenCode | 2 | 7,411 tok |
| coyaSONG/youtube-mcp-server smithery.ai Citation-ready YouTube research for AI agents — transcript search, exact timestamp links, | 27 | Claude Code, Codex, OpenCode | 2 | 1,611 tok |
| eigent-ai/agent-skills eigent.ai Open-Source Cowork Agent Skills Collection | High Quality for Exceptional Productivity | 27 | Claude Code, Codex, OpenCode | 2 | 3,587 tok |
| Kminer2053/demo-video-skill Demo videos created by coding agents — properly showcase your vibe coding results. | 27 | Codex, GitHub Copilot, OpenCode | 2 | 1,441 tok |
| martinholovsky/SOTA-skills probably.group Engineering best practices that AI coding agents actually apply — 40+ skills, from secure | 27 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 5,222 tok |
| cq27-dev/rag-rat rag-rat.cq27.dev Local repo-intelligence index + MCP server: semantic search, symbol/graph navigation, impa | 27 | Claude Code, Codex, OpenCode | 7 | 3,033 tok |
| daften/fireflyiii-mcp daften.github.io Connect any MCP client to Firefly III — 140 tools via stdio (PAT) or HTTP (OAuth | 27 | Claude Code, Codex, OpenCode | 3 | 14,223 tok |
| vermont42/iOS-Design-Agent-Skill This is a design-critique skill and plugin that allows coding agents to apply rigorous aes | 27 | Codex, OpenCode | 1 | 151 tok |
| deepgram/skills | 27 | Codex, OpenCode | 1 | 1,592 tok |
| Embassy-of-the-Free-Mind/sourcelibrary-v2 sourcelibrary.org The world's largest library of translated ancient texts. AI-powered OCR and translation of | 27 | Claude Code, Codex, OpenCode | 5 | 10,598 tok |
| linxumoney/cn-ads-skills 🇨🇳 Advertising skills library for AI Agents targeting the Chinese market | Ocean Engine | 27 | Codex, OpenCode | 1 | 513 tok |
| BofAI/mcp-server-tron bankofai.io TRON Ecosystem MCP Server | 27 | Codex, OpenCode | 1 | 1,354 tok |
| VonTerraProject501c3/slushpile An adversarial job search that gets better as it goes: pool-anchored fit scoring, a resume | 27 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 14,227 tok |
| jasonjgardner/blockbench-mcp-project Example project using the Blockbench MCP plugin | 27 | Claude Code, Codex, GitHub Copilot, OpenCode | 17 | 1,286 tok |
| byadsco/meta-ads-mcp MCP server for Meta Ads (Facebook/Instagram) - agency multi-account, cloud-ready | 27 | Claude Code, Codex, OpenCode | 3 | 5,912 tok |
| Chael-Chael/dsh-reference-anything npmjs.com The best DeepSeek Harness plugin for referencing anything — an enhanced @ menu for command | 27 | Codex, OpenCode | 1 | 1,021 tok |
| liustack/pptwise pptwise.com A real PowerPoint, not a picture or HTML. Tell your AI what to cover and pptwise builds an | 27 | Claude Code, Codex, OpenCode | 2 | 1,578 tok |
| blwfish/kicad-mcp MCP server for KiCad — 71 tools for AI-assisted electronics design | 27 | Codex, OpenCode | 1 | 2,217 tok |
| jubaoliang/OctopPet A desktop pet for Octop. | 27 | Codex, OpenCode | 1 | 3,643 tok |
| ognjeeen/codex-usage-widget codex-usage-widget.ognjen-marinkovic.chatgpt.site Local Windows widget for Codex subscription usage | 27 | Claude Code, Codex, OpenCode | 2 | 1,228 tok |
| bgrenat/godot-game-dev-studio powehi.eu Portable Godot 4.7+ game-development skills for Codex, Claude Code, Cursor, and VS Code: G | 27 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 961 tok |
| bimwright/dwg-mcp MCP gateway for AutoCAD 2022-2027 - text reading, spatial clustering, translation rewritin | 27 | Codex, OpenCode | 1 | 1,641 tok |
| ODU33104/rive-mcp Free, editor-less MCP server for Rive: create, edit, inspect, render and live-preview .riv | 27 | Codex, OpenCode | 1 | 341 tok |
| dyeoman2/tanstack-start-template tanstack-start-convex.netlify.app TanStack Start template with Convex real-time DB, BetterAuth, Tailwind, ShadcnUI, AI playg | 27 | Claude Code, Codex, OpenCode | 2 | 2,689 tok |
| yungwood/ical-filter-proxy yungwood.github.io iCal proxy with support for user-defined filtering rules | 27 | Codex, OpenCode | 1 | 523 tok |
| icyleaf/dotfiles icyleaf's dotfiles apply for macOS (includes macos tricks) and Linux | 27 | Codex, OpenCode | 1 | 170 tok |
| tonkeeper/ios | 27 | Claude Code, Codex, OpenCode | 2 | 4,448 tok |
| thepartly/pgroles thepartly.github.io Declarative PostgreSQL role graph manager. Define roles, memberships, object privileges, a | 27 | Codex, OpenCode | 1 | 3,123 tok |
| surrealdb/surrealfs Virtual file system for AI agents built on SurrealDB | 27 | Claude Code, Codex, OpenCode | 8 | 7,724 tok |
| vincentlaucsb/svg vincentlaucsb.github.io A simple header-only library for generating SVG files from C++ | 27 | Codex, OpenCode | 1 | 95 tok |
| QuantClimate/Impulso impulso.quantclimate.com Bayesian VAR and SVAR models in Python. | 27 | Claude Code, Codex, OpenCode | 6 | 2,668 tok |
| edochi/mdvs edochi.github.io Schema inference, frontmatter validation, and semantic search for markdown directories | 27 | Claude Code, Codex, OpenCode | 22 | 1,642 tok |
| wr/featherframe featherframe.app ESP32 e-paper frame that renders human-made 1800's art prints for the birds detected in yo | 27 | Claude Code, Codex, OpenCode | 2 | 4,347 tok |
| textura-agency/ai-design-vault | 27 | Claude Code, Codex, Cursor, OpenCode | 34 | 1,571 tok |
| cardstack/boxel A new approach to building composable software, from Cardstack. | 27 | Claude Code, Codex, OpenCode | 69 | 8,246 tok |
| am385/Lineup An app for interacting with your Network TV Tuner, generating XMLTV guides, watching your | 27 | Codex, GitHub Copilot, OpenCode | 2 | 795 tok |
| Cyrax321/CONTINUUM continuum-nu-six.vercel.app CONTINUUM: Verifiable semantic recovery for long-running AI agents. Semantic checkpoints ( | 26 | Codex, OpenCode | 1 | 558 tok |
| hackafterdark/context-sherpa Context Sherpa MCP server provides code mapping, deterministic feedback loops, and tiered | 26 | Claude Code, Codex, OpenCode | 3 | 2,907 tok |
| joehaddad2000/claude-todo-emulator This is an MCP server that emulates Claude Code's task management system, providing persis | 26 | Claude Code, Codex, OpenCode | 2 | 1,441 tok |
| InDreamer/telegram-codex-bridge Control Codex from Telegram — project-aware sessions, runtime cards, approval flows, and o | 26 | Codex, OpenCode | 1 | 2,218 tok |
| phisanti/MCPR phisanti.github.io MCPR enables AI agents to participate in interactive R sessions for professional analysis | 26 | Claude Code, Codex, OpenCode | 2 | 3,219 tok |
| nvandessel/floop Spreading activation memory for AI coding agents - corrections in, context-aware behaviors | 26 | Claude Code, Codex, OpenCode | 3 | 3,488 tok |