23,761 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 agents8,530Claude Code6,887Git and workflow3,618Data and AI3,582Backend and APIs3,558Languages3,485Planning3,325Code review2,903Testing2,691DevOps and cloud2,482Writing and docs2,481Memory and context2,373Research2,322Frontend2,310Security2,179Project management1,971
All Claude Code32,523 Codex24,842 OpenCode23,761 GitHub Copilot3,723 Gemini CLI2,038 Cursor1,771 Windsurf201 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| 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 |
| 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 |
| S2mon123/FEP-Agent-Hub Evidence-first FreeCAD, Elmer FEM, and ParaView MCP automation stack with verified CAE wor | 6 | Codex, OpenCode | 1 | 221 tok |
| 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 |
| davidmosiah/oura-mcp wellness.delx.ai Local-first MCP server for Oura Ring readiness, sleep, HRV — Claude/Cursor/ChatGPT ready | 6 | Codex, OpenCode | 1 | 145 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 | 3,113 tok |
| psyb0t/docker-audiolla ciprian.51k.eu Self-hosted audio API in one Docker container. Stem separation, mastering, MIR (BPM/key/ch | 6 | Claude Code, Codex, OpenCode | 3 | 4,834 tok |
| jahala/umbel jahala.github.io Remote-control interactive agent CLIs (Claude Code, Codex, Gemini) over tmux. One binary, | 6 | Claude Code, Codex, OpenCode | 11 | 6,983 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 |
| calven-ai/demoverse youtu.be Demoverse is an open-source synthetic B2B sales data generator that grows a fictional comp | 6 | Claude Code, Codex, OpenCode | 6 | 3,517 tok |
| houseunlimited/hinge-auto Automate Hinge interactions using a stitched-vision and LLM-judge loop for hands-free prof | 6 | Claude Code, Codex, OpenCode | 2 | 3,570 tok |
| milisp/keke-agent milisp.dev Lightweight coding agent harness built in Rust for zero vendor lock-in. BYOK, Support Code | 6 | Claude Code, Codex, OpenCode | 2 | 1,300 tok |
| tomevault-io/companyos tomevault.io A complete, opinionated, fork-friendly operating system for an AI-instructed company. Thre | 6 | Claude Code, Codex, OpenCode | 2 | 1,049 tok |
| ca-who-codes/ultimate.UIUX.design.skills One-stop design context pack for AI coding agents — two tracks: interfaces (web/apps, comp | 6 | Claude Code, Codex, OpenCode | 2 | 1,707 tok |
| caotrongphuoc/11m-game epcb.vn A penalty shootout game for the AK Embedded Base Kit (STM32L151), built with an AI agent u | 6 | Codex, OpenCode | 1 | 4,746 tok |
| 2ndbrainlabs-ai/synapse-cli-ts 2ndbrainlabs.ai Synapse CLI | MCP server generator to build agentic context | 6 | Claude Code, Codex, OpenCode | 7 | 2,179 tok |
| getappz/agentflare agentflare.dev Run AI coding agents efficiently, and coordinate more than one of them. Zero fluff, zero r | 6 | Claude Code, Codex, OpenCode | 11 | 2,880 tok |
| matasarei/antigravity-companion plugins.jetbrains.com JetBrains IDE plugin that connects the Google Antigravity CLI (agy) to IntelliJ-based IDEs | 6 | Codex, OpenCode | 1 | 3,257 tok |
| querystory/tmux-rc querystory.github.io Watch and control whatever runs in a tmux pane — Codex, Claude Code, Gemini CLI, OpenCode, | 6 | Codex, OpenCode | 1 | 2,883 tok |
| TheSethRose/Hermes-Walkie-Talkie sethrose.dev Hermes Walkie Talkie pairs an Android push-to-talk client with a local Hermes Voice Gatewa | 6 | Codex, OpenCode | 3 | 1,447 tok |
| defkode/orbx Per-project, isolated OrbStack Linux VMs from a zero-dependency Bash CLI — auto-named from | 6 | Claude Code, Codex, OpenCode | 2 | 1,868 tok |
| GuillemRoca/agent-skills-android Production-grade engineering skills for AI coding agents tailored to Android | 6 | Claude Code, Codex, OpenCode | 2 | 1,564 tok |
| vaisala-xweather/xweather-agent-skills Agent skills for the Xweather developer platform when working with Xweather services. | 6 | Codex, OpenCode | 1 | 2,420 tok |
| x0c/subswap Check quota and switch Claude Code, Codex, Kimi Code, Cursor, OpenCode, and Command Code a | 6 | Claude Code, Codex, OpenCode | 2 | 6,670 tok |
| xagentAI/xagt-plugin xagt.ai Plugin submissions for the X-Agent Hackathon. | 6 | Claude Code, Codex, OpenCode | 2 | 363 tok |
| shipshitgames/skills AI agent skills for vibe-coding 3D browser games with Claude Code + Codex | 6 | Claude Code, Codex, OpenCode | 2 | 467 tok |
| wangligong123/reverse_ENV Reverse engineering environment and skills repository — IDA Pro / jadx / apktool / radare2 | 6 | Claude Code, Codex, OpenCode | 17 | 19,101 tok |
| 0101/treemon Worktree Monitor | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 1,831 tok |
| durandom/token-burn Live quota monitor, CLI/TUI daemon, and OpenTelemetry exporter for Codex/OpenAI and Claude | 6 | Codex, OpenCode | 1 | 550 tok |
| leancoderkavy/meepo A local, privacy-first AI agent (Rust) that connects LLMs to your email, calendar, browser | 6 | Claude Code, Codex, Cursor, OpenCode | 3 | 3,624 tok |
| liatrio-labs/ai-prompts Curated collection of prompts for AI coding assistants supporting development workflows, d | 6 | Claude Code, Codex, OpenCode | 8 | 283 tok |
| vanities/social-skills Skill-driven social media automation across IG / LinkedIn / X / Pinterest / TikTok via Cla | 6 | Claude Code, Codex, OpenCode | 2 | 6,807 tok |
| QTtrash/tarkov-map signal.mouchsiadis-solutions.com Local-first Escape from Tarkov map intelligence and end-to-end encrypted squad position sh | 6 | Codex, OpenCode | 1 | 353 tok |