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 |
|---|---|---|---|---|
| hodgesmr/temporal-awareness A Claude Code Agent Skill for temporal awareness via the date command | 10 | Claude Code, Codex, OpenCode | 2 | 453 tok |
| catoncat/xsearch One-shot structured search CLI and Agent Skill for OpenAI-compatible Grok model endpoints | 10 | Codex, OpenCode | 1 | 270 tok |
| spreedly/spreedly-mcp A Model Context Protocol (MCP) server that provides AI assistants with direct access to th | 10 | Codex, OpenCode | 1 | 2,225 tok |
| agentcathq/agentcat-go-sdk AgentCat is an analytics platform for MCP server owners 🐱 | 10 | Claude Code, Codex, OpenCode | 2 | 4,094 tok |
| hypen-code/mcp-code-execution MCE (MCP Code Execution) is a production-grade MCP server that transforms Swagger/OpenAPI | 10 | Codex, OpenCode | 1 | 6,710 tok |
| missdeer/gemini-mcp-rs Gemini-MCP-rs is an MCP server that encapsulates Google's Gemini CLI tool into a standard | 10 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 7,315 tok |
| xiaolai/eou-foundry Recursive governance for Executable Operating Units (EOUs). Faceted classification, genera | 10 | Codex, Gemini CLI, OpenCode | 2 | 1,781 tok |
| gwas-catalog/mcp ebi.ac.uk GWAS Catalog Model Context Protocol server, supporting natural language queries of associa | 10 | Codex, OpenCode | 1 | 366 tok |
| Aeven-AI/mcp-nanobanana mcp for nano banana using openrouter.ai | 10 | Codex, Gemini CLI, OpenCode | 2 | 2,076 tok |
| JRS1986/CodingScaffold A lightweight scaffold for safer, more structured agentic coding — helping developers give | 10 | Codex, OpenCode | 1 | 868 tok |
| ribeirogab/zeno-agent zeno-agent.dev Self-hosted personal agent. | 10 | Claude Code, Codex, OpenCode | 12 | 1,505 tok |
| martinemde/dotfiles ✨ AI-first dotfiles with chezmoi | 10 | Claude Code, Codex, OpenCode | 6 | 928 tok |
| Alberto-Codes/docvet alberto-codes.github.io Comprehensive docstring quality vetting for Python projects | 10 | Claude Code, Codex, GitHub Copilot, OpenCode | 65 | 3,803 tok |
| thalesholleben/ccx Local agent fleet for Claude Code and Codex: isolated account profiles, weighted quotas, p | 10 | Claude Code, Codex, OpenCode | 2 | 788 tok |
| eloylp/agents A self-hosted, observable orchestrator for multi-agent workflows on your repos. Compose fr | 10 | Claude Code, Codex, OpenCode | 2 | 11,075 tok |
| rynald0cst0ltziam/Warden-AI warden-io.vercel.app The structurally-verified context layer for AI coding agents. Cut 50-90% of your agent's t | 10 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 7 | 19,093 tok |
| jiatastic/open-python-skills git.new AI skill sets that provides intelligence for building solid Python backends across multipl | 10 | Codex, OpenCode | 1 | 348 tok |
| GrimLink/dotfiles 🔧 My DEV env setup | 10 | Claude Code, Codex, OpenCode | 2 | 179 tok |
| inflowpayai/inflow-cli inflowcli.ai A wallet for your agents to onboard and pay. Agentic MPP / x402 payments from your machine | 10 | Codex, OpenCode | 1 | 3,854 tok |
| nuyoah-ai-works/open-nuyoah-skill Public, reusable Agent Skills: create exclusive white soft-block characters and generate a | 10 | Codex, OpenCode | 1 | 536 tok |
| AlexanderAbramovPav/youtube-advisor Build an AI advisor SKILL from any YouTube channel — transcripts, BM25 + semantic RAG, ver | 10 | Codex, OpenCode | 1 | 409 tok |
| b3sty191/b3sty-skill b3sty RedM/FiveM Lua Codex skill | 10 | Codex, OpenCode | 1 | 391 tok |
| deepsteve/deepsteve deepsteve.com A UI around your Claude Code and Codex terminals that your agents build, so the only model | 10 | Claude Code, Codex, OpenCode | 4 | 8,291 tok |
| lyr1cs/rein Multi-source cross-validated memory MCP server for AI agents (Rust, jieba CJK, local-first | 10 | Codex, OpenCode | 1 | 18,173 tok |
| caezium/nib nib.henryzh.dev Turn any idea or article into hand-drawn editorial illustrations starring your own charact | 10 | Claude Code, Codex, OpenCode | 2 | 176 tok |
| wcgomes/agents-workspace Agents Workspace provides portable skills and a boot policy that guide your assistant to c | 10 | Codex, OpenCode | 1 | 164 tok |
| dinosn/security-knowledge-base Local-first, evidence-led security knowledge base with a model-neutral JSON CLI, immutable | 10 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,401 tok |
| Heiberg-Industries/designbrief tools.heiberg.co Design guardrails, not templates. A library of UI design direction files that give LLMs (a | 10 | Codex, OpenCode | 1 | 227 tok |
| yultyyev/better-auth-firestore npmjs.com Firestore adapter for Better Auth | 10 | Claude Code, Codex, OpenCode | 2 | 2,972 tok |
| bitflight-devops/mcp-json-yaml-toml A structured data reader and writer like 'jq' and 'yq' for AI Agents | 10 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 3,550 tok |
| Obsidian-Owl/specwright obsidian-owl.github.io Craft quality software with AI discipline. Spec-driven development plugin for Claude Code | 10 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,755 tok |
| rasatpetabit/masterplan Brainstorm → plan → execute development workflow plugin for Claude Code | 10 | Claude Code, Codex, OpenCode | 2 | 1,835 tok |
| Aznatkoiny/zAI-Skills Claude Code plugin marketplace — AI/ML toolkit, consulting frameworks, and real estate inv | 10 | Claude Code, Codex, OpenCode | 2 | 1,171 tok |
| zander-zyx/claude-mini-hud zdking.com A lighter alternative to claude-hud's core features, limited to 7 lines. Built-in usage qu | 10 | Claude Code, Codex, OpenCode | 2 | 2,695 tok |
| os-tack/ostk-cache ostk.ai Context-aware caching proxy for Anthropic and OpenAI — maximizes prompt-cache hit rates by | 10 | Codex, OpenCode | 1 | 3,682 tok |
| initxy/noeta initxy.github.io Open-source, Claude Code–compatible coding agent. Crash-proof tasks, zero-cost waits for a | 10 | Codex, OpenCode | 1 | 2,112 tok |
| freibergergarcia/phone-a-friend CLI relay for AI coding agents. Connect Claude Code, Codex, Gemini, Antigravity, OpenCode, | 10 | Claude Code, Codex, OpenCode | 2 | 19,867 tok |
| like-a-freedom/rusty_apple_mail_mcp Local-first Apple Mail MCP. Dead fast. Dead simple. | 10 | Claude Code, Codex, OpenCode | 2 | 6,205 tok |
| ZeroMadLife/sage-agent A local-first Personal AI Learning Companion that connects goals, personal knowledge, real | 10 | Codex, OpenCode | 1 | 1,056 tok |
| canoo/agent-nexus nexus.codelogiic.com Multi-model agentic orchestration framework — route tasks to cloud or local LLMs, manage p | 10 | Codex, OpenCode | 1 | 90 tok |
| linxule/mineru-mcp | 10 | Claude Code, Codex, OpenCode | 3 | 2,597 tok |
| DanielGouveiah/glasses daniskills.vercel.app Put your glasses on. Evidence-first planning and bounded implementation diagnosis for AI c | 10 | Claude Code, Codex, OpenCode | 2 | 73 tok |
| walkindude/cli-bridge Turn any CLI into an MCP tool that agents actually use. | 10 | Claude Code, Codex, OpenCode | 2 | 1,488 tok |
| xmartlabs/vytalLink vytallink.xmartlabs.com VytalLink is a digital health platform connecting personal health data—including Apple Hea | 10 | Claude Code, Codex, OpenCode | 3 | 2,289 tok |
| aksika/abtars aksika.github.io abTARS is a personal agent built around Pi harness: persistent memory with abmind, messagi | 10 | Codex, OpenCode | 1 | 1,395 tok |
| kevinkaylie/AgentNexus Decentralized communication infrastructure for AI Agents — DID identity, federated discove | 10 | Claude Code, Codex, OpenCode | 4 | 6,124 tok |
| paulieb89/pinescript-mcp pinescript-mcp.fly.dev Pine Script v6 MCP server — documentation lookup and function validation. | 10 | Claude Code, Codex, OpenCode | 2 | 1,374 tok |
| ajantoniou/fable-design-system uploadcheck.app Bring Fable-style design taste to any AI coding agent. Free MIT design system for Claude, | 10 | Claude Code, Codex, OpenCode | 2 | 3,319 tok |
| profplum700/etsy-mcp-server | 10 | Claude Code, Codex, OpenCode | 2 | 354 tok |
| ImBIOS/relay Universal AI API proxy — hot-switch between any LLM provider (GitHub Copilot, OpenAI, Anth | 10 | Codex, OpenCode | 1 | 1,340 tok |