24,815 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 |
|---|---|---|---|---|
| bengous/claude-code-plugins Opinionated plugins and workflow extensions for Claude Code. | 6 | Claude Code, Codex, OpenCode | 14 | 1,796 tok |
| windyroad/agent-plugins windyroad.github.io Claude Code plugins for architecture governance, risk management, TDD, and delivery qualit | 6 | Claude Code, Codex, OpenCode | 3 | 2,359 tok |
| thrashr888/thrashr888-agent-kit Claude Code plugins and marketplace | 6 | Claude Code, Codex, OpenCode | 3 | 1,912 tok |
| gyuha/forge gyuha.com An agent-engineering workflow plugin for Claude Code — one task, one cycle: ask·plan → exe | 6 | Claude Code, Codex, OpenCode | 2 | 21,563 tok |
| HenriqueCotta/ownership-driven-ai-customization-architecture Scalable architecture for GitHub Copilot custom instructions, skills, and AGENTS.md across | 6 | Claude Code, Codex, GitHub Copilot | 3 | 112 tok |
| promptctl/laws Claude Code plugin: laws for writing high quality code and llm guidance | 6 | Claude Code, Codex, OpenCode | 4 | 200 tok |
| Locface/AgentSec agentsec.site | 6 | Codex, OpenCode | 1 | 103 tok |
| prathamdby/skills 📚 A collection of my day-to-day skills. | 6 | Codex, OpenCode | 1 | 510 tok |
| crabsmadethis/d2r-horadric-tools Offline Diablo II: Resurrected toolkit for save editing, character creation, creating your | 6 | Claude Code, Codex, OpenCode | 2 | 1,908 tok |
| jan3dev/agentic-aqua a1lab.com MCP server and CLI to manage assets in Bitcoin and Liquid | 6 | Codex, Cursor, OpenCode | 2 | 3,431 tok |
| cirwel/unitares cirwel.org Accountability infrastructure for long-running AI agents. Self-hosted MCP server: identity | 6 | Claude Code, Codex, OpenCode | 2 | 20,867 tok |
| swkstudios/unifi-fabric-mcp-server MCP server for UniFi Fabric API: manage your entire UniFi network through any AI assistant | 6 | Claude Code, Codex, OpenCode | 2 | 4,948 tok |
| frontsail-ai/aspicio aspicio.frontsail.app DXF and vector-PDF viewer for the web and AI agents — TypeScript parse→tessellate→render e | 6 | Claude Code, Codex, OpenCode | 2 | 3,293 tok |
| ratatatat1/pingcode-mcp | 6 | Claude Code, Codex, OpenCode | 2 | 974 tok |
| aa-on-ai/agentic-design-system agentic-design-system-lovat.vercel.app A design practice for coding agents: product-aware UI workflows, rendered evidence, and re | 6 | Claude Code, Codex, OpenCode | 2 | 475 tok |
| cyanheads/libofcongress-mcp-server npmjs.com Search LOC digital collections, browse Chronicling America newspapers with full OCR text, | 6 | Claude Code, Codex, OpenCode | 2 | 17,406 tok |
| GiulioDER/RE-call giulioder.github.io Memory that abstains instead of guessing: agent memory in a local SQLite file or your own | 6 | Claude Code, Codex, OpenCode | 2 | 2,593 tok |
| vibgrate/cli vibgrate.com Local codebase intelligence for AI coding agents and software teams, in the CLI and VS Cod | 6 | Codex, OpenCode | 1 | 945 tok |
| BlueStarSystem/aura-ui aura-ui.com 127 free MIT Blade components for Laravel + Livewire + Alpine + Tailwind 4. Own-the-code C | 6 | Claude Code, Codex, OpenCode | 2 | 1,418 tok |
| atomchung/long-run-hybrid-coach paceandstaystrong.com Adaptive running and strength coaching for the long run — a hosted MCP server and Agent Sk | 6 | Claude Code, Codex, OpenCode | 2 | 7,344 tok |
| partymola/monzo-mcp modelcontextprotocol.io MCP server for the Monzo banking API with OAuth, local transaction cache, and spending ana | 6 | Claude Code, Codex, OpenCode | 2 | 10,135 tok |
| davidmosiah/eight-sleep-mcp wellness.delx.ai Unofficial Eight Sleep MCP server — give your AI agent your smart-mattress sleep trends, t | 6 | Codex, OpenCode | 1 | 246 tok |
| kitepon/aiterm-mcp npmjs.com One persistent MCP terminal your AI drives — and launches other coding agents (Codex/Grok/ | 6 | Codex, OpenCode | 1 | 3,895 tok |
| nikolay-e/diffctx diffctx.com Smart git diff context for LLMs and AI agents: budgeted fragment selection, deterministic, | 6 | Claude Code, Codex, OpenCode | 2 | 1,395 tok |
| simonether/kwork-mcp simonether.github.io MCP server for Kwork.ru and kwork.com: access the marketplace, proposals, conversations an | 6 | Claude Code, Codex, OpenCode | 2 | 2,203 tok |
| tonydzi/verbatim-citation-gate tonydzi.github.io Catch fabricated RAG citations before they reach the user: a zero-token verbatim gate + a | 6 | Codex, OpenCode | 1 | 846 tok |
| Zachariah9420/embedded-systems-architect augmentclaude.com Evidence-driven embedded systems & edge-AI skill for Claude Code and other agents — vendor | 6 | Codex, Gemini CLI, OpenCode | 2 | 293 tok |
| Cadasto/openehr-assistant-plugin cadasto.github.io openEHR assistant AI plugin suite with Skills, commands, and MCP server configuration for | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 6,561 tok |
| tinhtran24/maestro Maestro is an open-source, multi-agent AI development framework written in Go. It orchestr | 6 | Claude Code, Codex, OpenCode | 2 | 2,591 tok |
| ArchSightLabs/archsight-cognition npmjs.com Cognitive enhancement AI Skills: structured thinking, decision reviews, debate, writing, p | 6 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,557 tok |
| urmzd/dotfiles Cross-platform dotfiles managed by Chezmoi with Homebrew/apt and per-language version mana | 6 | Codex, OpenCode | 1 | 2,031 tok |
| KSEGIT/Version-Sentinel ksegit.github.io Claude Code plugin that hard-blocks dependency additions, bumps, and downgrades until a fr | 6 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 3,724 tok |
| vsladkov/claudex-stereo claudex-stereo.com Claude Code, in stereo: Claude plans and reviews, Codex implements. | 6 | Claude Code, Codex, OpenCode | 2 | 5,899 tok |
| imMamdouhaboammar/get-fable get-fable.vercel.app A portable coding lifecycle for AI agents with deterministic routing across 42 skills, dur | 6 | Codex, OpenCode | 1 | 207 tok |
| jeffreytse/grimoire-core grimoire.jeffreytse.net 🧙 Official best-practice skill library for grimoire — 1000+ skills across engineering, te | 6 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,494 tok |
| Bridge-UI/core Bridge UI is a component library for React and Vue with a shared foundation. | 6 | Codex, OpenCode | 1 | 420 tok |
| sandraschi/windows-operations-mcp Windows system administration via MCP — services, registry, accounts, event logs, networki | 6 | Claude Code, Codex, Cursor, OpenCode | 3 | 864 tok |
| Eysn0130/DeepLaw DeepLaw 2.0: A local-first, single-user Agent Knowledge OS that combines autonomous long-t | 6 | Codex, OpenCode | 1 | 3,701 tok |
| sky32/mcport A local-first MCP Workspace tool that lets AI securely connect to, understand, and operate | 6 | Codex, OpenCode | 1 | 1,831 tok |
| RightNow-AI/autoevolve Agent-native evolutionary optimization. Say the goal in english, evolve code toward a meas | 6 | Claude Code, Codex, OpenCode | 2 | 6,250 tok |
| AmanKtyr/Tailor npmjs.com Stop vibe-coding bloat & token waste. Unified AI Coding-Agent & Spec-Driven Development (S | 6 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf | 23 | 3,693 tok |
| Michael-Obele/sepia sepia.svelte-apps.me A personal, self-hosted remote knowledge-graph memory server for AI coding agents — a drop | 6 | Codex, OpenCode | 1 | 3,566 tok |
| atpaawej/openboard openboard.aawej.in Local-first personal whiteboard workspace for developers and external AI agents (tldraw + | 6 | Claude Code, Codex | 1 | — |
| cdeust/ai-architect-mcp-spec ai-architect.tools Cross-platform PRD verifier for Codex, Gemini CLI, Claude Code, CI, and other MCP hosts. D | 6 | Claude Code, Codex, OpenCode | 8 | 396 tok |
| berntpopp/genefoundry-router genefoundry.org MCP gateway federating 22 biomedical MCP servers — gnomAD, ClinVar, HPO, UniProt, Ensembl | 6 | Claude Code, Codex, OpenCode | 12 | 1,671 tok |
| nifrajs/nifra nifra.dev Full-stack TypeScript framework built for AI agents: typed server and client with no codeg | 6 | Claude Code, Codex, OpenCode | 2 | 2,945 tok |
| tonydzi/charm-os CharmOS / C(H+A)RM — open-source framework to manage humans AND AI agents as first-class r | 6 | Codex, OpenCode | 1 | 895 tok |
| arjunprabhulal/devops-skills Agent Skills for DevOps: 88 SKILL.md field guides spanning CI/CD to FinOps. Works in Claud | 6 | Claude Code, Codex, OpenCode | 2 | 2,279 tok |
| moabualruz/fulcrum Local-first Agent OS — project management, agent orchestration, docs, memory, and develope | 6 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 5,706 tok |
| IsaacEryn/humanizer-ko A Claude Code agent skill that removes signs of AI-generated writing from Korean text. Det | 6 | Claude Code, Codex, OpenCode | 2 | 1,001 tok |