43,652 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 agents7,588Claude Code6,636Data and AI3,676Backend and APIs3,496Languages3,402Planning3,219Git and workflow3,187Code review2,745Testing2,374Memory and context2,364DevOps and cloud2,310Writing and docs2,309Research2,295Frontend2,261Security2,021Productivity1,715
All Claude Code31,998 Codex23,222 OpenCode22,170 GitHub Copilot3,550 Gemini CLI1,918 Cursor1,738 Windsurf137 Kiro80
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| HBarefoot/engram 🧠 Persistent memory for AI agents. SQLite for agent state. Zero cloud dependencies. Local | 8 | Claude Code | 1 | 6,531 tok |
| hrshx3o5o6/brocogni npmjs.com semantic browser observation for AI agents via MCP, 100% local, zero telemetry | 8 | Codex, OpenCode | 1 | 1,200 tok |
| seiji/inoreader-mcp-server | 8 | Claude Code | 3 | 317 tok |
| SidneyBissoli/bcb-br-mcp bcb.sidneybissoli.com MCP server for Brazil Central Bank (BCB) data — Selic, IPCA, exchange rates, GDP for AI ag | 8 | Claude Code | 1 | 7,286 tok |
| sachinrai308/Unity-Skills sachinrai308.github.io 🤖 Automate Unity Editor tasks with AI using JSON command files for efficient scene manage | 8 | Claude Code | 1 | 45 tok |
| danieljustus/symaira-eraseme symaira.com Automated data broker removal tool ⌫ close your accounts, erase your data. | 8 | Codex, OpenCode | 1 | 2,574 tok |
| pekral/cursor-rules pekral.cz PHP and Laravel Cursor rules — coding standards, testing, and conventions for the Cursor e | 8 | Claude Code | 1 | 627 tok |
| stepanov1975/hermes-local-knowledge Hermes Agent plugin for local knowledge search and artifact routing—find the right skill, | 8 | Codex, OpenCode | 1 | 1,586 tok |
| Jignesh-Ponamwar/skills-mcp skills-mcp-jignesh.vercel.app A self-hostable, open-source, semantically-searchable Agent Skills registry delivered over | 8 | Claude Code, GitHub Copilot | 2 | 1,519 tok |
| rogerdigital/vault-inspector community.obsidian.md An Obsidian vault health checker for finding broken links, orphan attachments, duplicate f | 8 | Claude Code, Codex, OpenCode | 2 | 2,410 tok |
| JordanCoin/codingskills Coding principles for Claude Code and AI agents. KISS, DRY, SOLID, YAGNI, separation of co | 8 | Claude Code, Codex, OpenCode | 2 | 893 tok |
| andyhtran/deepwiki-by-cc Self-hosted, open-source DeepWiki alternative — agentic wiki generator for any GitHub repo | 8 | Claude Code | 1 | 198 tok |
| cocaxcode/api-testing-mcp npmjs.com The most complete MCP server for API testing. 27 tools: requests, assertions, flows, OpenA | 8 | Claude Code | 1 | 959 tok |
| pendpost/pendpost pendpost.com The agent-first social media planner: an AI agent drafts and schedules posts across Instag | 8 | Codex, OpenCode | 1 | 8,660 tok |
| zhurong2020/pyobfus pyobfus.readthedocs.io AST-based Python obfuscator with reverse stack-trace mapping — obfuscate before shipping a | 8 | Claude Code, Codex, OpenCode | 2 | 29,028 tok |
| jcucci/dotnet-sherlock-mcp MCP server that uses reflection to provide LLM's with knowledger about dotnet classes, the | 8 | Claude Code, Codex, OpenCode | 2 | 2,997 tok |
| thuandiep1707/codex-harness-javascript Multi-agent harness for OpenAI Codex with Jira-backed workflows, pause/resume, progressive | 8 | Claude Code, Codex, OpenCode | 4 | 5,397 tok |
| night4me/pfsense-mcp-server night4me.github.io A security-first MCP server for pfSense — READ-only today by design; WRITE is staged behin | 8 | Codex, OpenCode | 1 | 2,371 tok |
| ljchang/mecha docs.mecha-factory.ai A standalone agent harness in Rust: a provider-agnostic loop, MCP tools, a path jail and p | 8 | Claude Code, Codex, OpenCode | 4 | 8,185 tok |
| suryast/indonesia-civic-stack 🇮🇩 Production-ready Python SDK + MCP server for 14 Indonesian government data sources — | 8 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 2,994 tok |
| zivtech/accessibility-skills zivtech.github.io Accessibility Skills (accessibility-skills): AI skills that plan, review, test, and audit | 8 | Claude Code, Codex, OpenCode | 2 | 4,799 tok |
| Capta1nRaj/goshipit npmjs.com GoShipIt is a Claude Code skill that audits your codebase before every deploy. 188 checks | 8 | Claude Code | 1 | 667 tok |
| thehesiod/psquare-mcp Parent | 8 | Claude Code, GitHub Copilot | 2 | 8,516 tok |
| phuongrealmax/code-guardian codeguardian.studio Code Guardian Studio – AI-powered code refactor engine for large repositories, built on Cl | 8 | Claude Code | 8 | — |
| garoon/garoon-mcp-server Garoon official MCP server | 8 | Claude Code, GitHub Copilot | 5 | 1,832 tok |
| Aaronjacobs000/sophos-central-mcp | 8 | Claude Code | 1 | 1,304 tok |
| s-morgan-jeffries/omnifocus-mcp MCP server for OmniFocus integration - enables Claude and other MCP clients to interact wi | 8 | Claude Code | 10 | — |
| moonx010/hive-memory npmjs.com Cross-project memory for AI coding agents. MCP server that maintains context, decisions, a | 8 | Claude Code, Codex | 5 | 2,134 tok |
| Remskill/Cortex Cortex: Open-Source AI Memory for your Codebase. Works with Claude CLI and others. It inde | 8 | Claude Code | 1 | 1,401 tok |
| Community-VyProjects/VyMCP MCP server for VyOS routers, powered by VyManager — lets AI agents read and manage routers | 8 | GitHub Copilot | 1 | 479 tok |
| GhostTypes/pokemon-go-mcp MCP Server for Pokemon Go | 8 | Claude Code | 20 | 1,442 tok |
| agatho/trinitycore-mcp Model Context Protocol server for TrinityCore development | 8 | Claude Code | 5 | — |
| gdigora/yandex-mail-mcp MCP server for Yandex Mail - read, search, and send emails via IMAP/SMTP | 8 | Claude Code | 2 | 428 tok |
| aryaminus/astro astro-api-a2rc.onrender.com Astrology MCP server & Agent Skill — birth charts, transits, synastry across Western, Vedi | 8 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 1,589 tok |
| ZhangDongyang800/Aseprite_MCP An MCP for Aseprite that allows AI to understand you | 8 | Claude Code | 1 | 2,098 tok |
| ilyannn/wallos-mcp MCP for the Wallos subscription management app | 8 | Claude Code | 1 | 1,912 tok |
| Ostico/bruno-mcp-studio npmjs.com MCP server for Bruno: an AI agent authors, reads and runs .bru and .yml API collections. N | 8 | Claude Code | 1 | 1,711 tok |
| Maxim-Mazurok/teams-api AI-native Microsoft Teams integration — read conversations, send messages, and manage memb | 8 | GitHub Copilot | 2 | 2,004 tok |
| MetriLLM/metrillm metrillm.dev Benchmark local LLM models: speed, quality, and hardware fitness scoring. CLI, MCP server, | 8 | Claude Code, Codex, OpenCode | 2 | 2,834 tok |
| ProductOfAmerica/mcp-server-kicad pypi.org KiCad MCP server: 100+ Model Context Protocol tools that let an AI assistant do schematic | 8 | Claude Code | 1 | 3,542 tok |
| malkreide/swiss-transport-mcp MCP Server for Swiss public transport – OJP journey planner, real-time departures, disrupt | 8 | Claude Code | 3 | 5,522 tok |
| vanducng/skills skills.vanducng.dev A daily-driver collection of skills for agentic coding - a portable, agent-agnostic catalo | 8 | Claude Code, Codex, OpenCode | 2 | 974 tok |
| hermes-labs-ai/hermes-blind hermes-labs.ai Recovers the original goal of a long Claude Code or Codex session from its first user turn | 8 | Claude Code, Codex, OpenCode | 2 | 348 tok |
| dimamak/sdp dimamak.github.io Nobody has the time - or the will - to sit down and write a post every day. Social Daily P | 8 | Claude Code | 1 | 220 tok |
| mnzralee/claude-multi-agent-architecture manazir.dev A production-ready, reusable template for building sophisticated multi-agent AI systems wi | 8 | Claude Code, Codex, OpenCode | 6 | 2,944 tok |
| husker/a2acast Zero-infrastructure A2A messaging between AI agents on different machines — Claude, ChatGP | 8 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 2,517 tok |
| LinHao-city/StoryMind linhao-city.github.io 🎬 AI plans your shot list like a director, then generates the film. LLM storyboard planni | 8 | Claude Code, Codex, GitHub Copilot, OpenCode | 81 | 271 tok |
| ychamel/RepoResident Git-native project intelligence harness for AI coding agents. Adds persistent state, codeb | 8 | Claude Code, Codex, OpenCode | 2 | 1,673 tok |
| Wenaixi/dsh-ponytail Complete port of DietrichGebert/ponytail for DSH — lazy senior mode with hook injection | 8 | Codex, OpenCode | 1 | 569 tok |
| prefect12/codex-token-meter prefect12.github.io Native macOS menu bar apps for tracking Codex and Claude Code token usage, quota, cache ef | 8 | Codex, OpenCode | 1 | 1,357 tok |