1,908 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 agents7,473Claude Code6,589Data and AI3,693Backend and APIs3,491Languages3,403Planning3,201Git and workflow3,131Code review2,731Memory and context2,354Testing2,335DevOps and cloud2,298Research2,288Writing and docs2,284Frontend2,242Security1,995Productivity1,703
All Claude Code32,066 Codex23,211 OpenCode21,984 GitHub Copilot3,528 Gemini CLI1,908 Cursor1,730 Windsurf104 Kiro70
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| jeonnoin-alt/Eureka Scientific TDD for AI coding agents: pre-registration before data, claims audit before sub | 2 | Gemini CLI | 1 | 27 tok |
| nordicnode/skillpack crates.io Generate, verify, and maintain AI agent guidance for your OSS project — skills, plugins, a | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 3,212 tok |
| FluxonLab/Skillry fluxonlab.com Installable, permission-bounded, multi-platform agent skills & subagents for Claude Code, | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 6,159 tok |
| markskrypka/stem stem.cooking Engineering discipline for coding agents: size the work, keep every change on the record, | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 285 tok |
| GDvega/super-android-kotlin-firebase-skill A modular Agent Skills repository for Android, Kotlin, Jetpack Compose and Firebase develo | 2 | Codex, Gemini CLI, OpenCode | 2 | 202 tok |
| trugurpala/pinescriptv6 Source-traceable Pine Script v6 guidance and structured examples for AI coding agents, wit | 2 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 7 | 16,421 tok |
| SadmanYasar/arch-review-agent An ADK 2.0 multi-agent guardrail that screens pull requests for security flaws and AST vio | 2 | Gemini CLI | 1 | 748 tok |
| is-bo/fullstack-forge-skill A production full-stack engineering skill suite for AI coding agents—covering UI, UX, secu | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 446 tok |
| YosefHayim/planpage npmjs.com TypeScript CLI and Preact render kit for turning agent plans and review gates into local H | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,308 tok |
| Ghosteken/agent-harness Production-grade engineering skills and specialist agent personas for AI coding assistants | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 4,250 tok |
| me-cedric/agent-compass Central agentic standards, guidelines, skills & bootstrap tooling for AI coding agents (Cl | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 7,336 tok |
| sivaguru-2113/Agent-persona A portable, vendor-neutral open-source persona and Agent Skills wrapper for AI coding, res | 2 | Gemini CLI | 1 | — |
| shihabshahrier/manim-coding-skill AI STEM animation skill — ManimGL for coding agents | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,024 tok |
| mertcanciy/news-reviewer Turn a news item into a research briefing instead of a summary: verified facts, historical | 2 | Codex, Gemini CLI, OpenCode | 2 | 1,492 tok |
| Stephen-studying/tech-route-maker Evidence-grounded editable technical route diagrams for research and engineering projects. | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,476 tok |
| mirekondro/The-Pre-Flight-Check mirekondro.github.io ✈️ Stop your AI coding agent from declaring 'done' on broken code. Fail-fast quality gate: | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 3,486 tok |
| kok-o/koko-contextos-agents Convenient, ready-to-use engineering skills and best practices for your AI assistant. | 2 | Gemini CLI | 1 | 454 tok |
| ali-demirbas/claude-lifecycle ali-demirbas.github.io Lifecycle marketing & CRM engine for Claude Code — scores your data first, then generates | 2 | Claude Code, Gemini CLI | 5 | 1,955 tok |
| uppadhyayraj/dq-awesomeqa uppadhyayraj.github.io QA lifecycle plugin for UI, API, accessibility, and performance testing across coding agen | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 1,631 tok |
| AzureManagedRedis/mcp-amr | 2 | Gemini CLI | 1 | 1,534 tok |
| gyozalab/focustodo-mcp MCP Server for Focus To-Do (Focus List) — Control your Pomodoro timer & tasks via AI | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 245 tok |
| danilods/matilha-skills You lead. Agents hunt. Cognitive + methodological harness for AI-assisted software — 139 s | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,563 tok |
| antonio-mello-ai/mcp-google MCP server for google | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 336 tok |
| cel-expr/skills cel.dev CEL Skills for authoring, testing, and debugging | 2 | Claude Code, Gemini CLI | 2 | 917 tok |
| varienos/agentic-journal Local, observer-first activity journal for AI coding agents with MCP tools, CLI wrappers, | 2 | Codex, Gemini CLI, OpenCode | 2 | 548 tok |
| empir3hq/empir3-bridge empir3.com Local-first MCP bridge — orchestrate the AI CLIs you already pay for (Claude, Codex, Gemin | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,818 tok |
| derailed-dash/browsermcp-ext A Gemini CLI extension that integrates BrowserMCP, giving your AI agent the ability to nav | 2 | Gemini CLI | 1 | 176 tok |
| derailed-dash/aoc-utils-mcp aoc.just2good.co.uk MCP Server that provides utilities for working with Advent of Code | 2 | Gemini CLI | 1 | 532 tok |
| bluenexus-ai/gemini-cli-extension app.bluenexus.ai Connect Gemini CLI to your BlueNexus Universal MCP: one OAuth sign-in, 200+ data sources, | 2 | Gemini CLI | 1 | 285 tok |
| Holley-Studio/thesmos-governance holley.studio AI governance CLI, GitHub Action, VS Code extension & MCP server — 1,075 rules for Claude, | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 8 | 11,045 tok |
| Taibur-Rahaman/Agent2Wp-AI-WordPress-Agent Security engine for WordPress AI Abilities — fail-closed risk classification, permission g | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 714 tok |
| Hamzaaleem230/Phase-III-Todo-AI-Chatbot phase-iii-todo-ai-chatbot-seven.vercel.app AI-powered Todo Chatbot built with Next.js, FastAPI, OpenAI Agents SDK, MCP, PostgreSQL, a | 2 | Gemini CLI | 1 | 2,321 tok |
| sandraschi/speech-mcp FastMCP 3.2 speech gateway: FunASR local STT, Gemini Live/TTS, Hume, ElevenLabs cloning, w | 2 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf | 7 | 2,891 tok |
| maxencebernardhub/ai-engineering-labs lab08-frontend-maxencebernardhub.s3-website.ca-central-1.amazonaws.com Hands-on AI engineering labs: OpenAI, Anthropic, Google, local models. From a first API ca | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 568 tok |
| wesleysimplicio/simplicio-loop simpleti.com.br 🔁 Finishes your entire backlog while you sleep. The AI orchestrator that DOES the work en | 2 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, Kiro, OpenCode | 17 | 8,789 tok |
| vinicq/falsegreen-skill vinicq.github.io LLM skill that finds false-green tests across Python/TS/JS/Robot using the J1-J6 protocol | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 11,735 tok |
| lidonation/Cardano-mcp Cardano's missing MCP server. Query UTxOs, decode datums, scaffold Aiken validators, watch | 2 | Claude Code, Gemini CLI | 2 | 6,766 tok |
| wordlift/wordlift-gemini-cli-extension wordlift.io Official Gemini CLI extension for WordLift. Manage your Knowledge Graph with natural langu | 2 | Gemini CLI | 1 | 107 tok |
| yurymkomarov/opencode-agent-orchestration OpenCode-based multi-agent orchestration setup using ai-cli-mcp with Codex CLI, Claude Cod | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 628 tok |
| shailesh17/mcp-httpserver-proxy A transparent proxy to bridge a local Model Context Protocol (MCP) server listening over H | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 1,740 tok |
| SciScend/antigravity-scribe sciscend.com An Antigravity (VSCode) extension that capture agents thinking, tool calls & artifacts to | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 32 tok |
| d-o-hub/github-template-ai-agents A template repository for GitHub projects using AI agents (Claude, Copilot Chat, OpenAI Co | 2 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 11 | 3,040 tok |
| squaduplabs/agent-ios squaduplabs.com Drive the iOS Simulator from the CLI for AI coding agents: accessibility snapshots with el | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,008 tok |
| n-shadloo/frontend-production-engineer Frontend Agent Skill that helps AI plan, build, and review production Next.js and TypeScri | 2 | Codex, Gemini CLI, OpenCode | 2 | 3,863 tok |
| thoreinstein/extension-creator A Gemini CLI extension with the tribal knowledge to help you create your own extensions | 2 | Gemini CLI | 1 | 93 tok |
| sergeiwallace/ai-cli-utils Unified AI session manager and automation toolkit for Claude Code and Gemini CLI — tmux se | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 2,071 tok |
| rmedranollamas/geminiusage Antigravity and Gemini CLI Token Usage Tracker | 2 | Gemini CLI | 1 | 687 tok |
| OilpriceAPI/gemini-extension api.oilpriceapi.com Source-timestamped OilPriceAPI energy data and reviewed product facts for Gemini CLI. | 2 | Gemini CLI | 1 | 697 tok |
| pangelini777/oh-my-gem High-fidelity port of the Oh My OpenCode (OMO) agent orchestration system to the Gemini CL | 2 | Gemini CLI | 1 | 607 tok |
| delorenj/ssbnk delorenj.com Lightweight screenshot/gif server built for frictionless, agent-agnostic LLM consumption | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 8 | 1,331 tok |