22,198 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 agents7,609Claude Code6,644Data and AI3,677Backend and APIs3,502Languages3,403Planning3,220Git and workflow3,193Code review2,743Testing2,377Memory and context2,363DevOps and cloud2,314Writing and docs2,311Research2,293Frontend2,259Security2,022Productivity1,721
All Claude Code32,006 Codex23,251 OpenCode22,198 GitHub Copilot3,552 Gemini CLI1,917 Cursor1,737 Windsurf138 Kiro81
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| furkanisikay/ardupilot-mcp ArduPilot uçuş loglarını (.bin) teşhis eden deterministik MCP sunucusu — yapay zekâ açıkla | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 1,829 tok |
| aeoess/agent-passport-mcp aeoess.com MCP server for the Agent Passport System. Identity, delegation, enforcement, and signed re | 4 | Claude Code, Codex, OpenCode | 2 | 848 tok |
| cookiechain/cookie-mcp npmjs.com An MCP server that gives AI agents full onchain access to Cookie Chain — trade, launch, LP | 4 | Codex, OpenCode | 1 | 1,350 tok |
| yiminspace/quarry yiminspace.github.io The database workbench built for the AI era — one safety-railed query kernel, many faces: | 4 | Claude Code, Codex, OpenCode | 2 | 1,200 tok |
| petrijr/openscad-mcp MCP Server for OpenSCAD | 4 | Codex, OpenCode | 1 | 1,251 tok |
| dinglebear-ai/runifi npmjs.com Rust MCP server and CLI for UniFi Network controllers, exposing REST-backed network operat | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 4,035 tok |
| Nosmoht/talos-mcp-server MCP server for Talos Linux cluster management via the native gRPC API | 4 | Claude Code, Codex, OpenCode | 18 | 9,678 tok |
| AnthonyPuggs/ausecon-mcp-server auseconmcp.com MCP server for retrieval of Australian economic and financial data - supports ABS, RBA and | 4 | Claude Code, Codex, OpenCode | 2 | 2,284 tok |
| sandraschi/grandorgue-mcp Control GrandOrgue pipe organ simulator via FastMCP 3.4. MIDI bridge, stop/piston/manual | 4 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 1,213 tok |
| moabualruz/fulcrum Local-first Agent OS — project management, agent orchestration, docs, memory, and develope | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 5,706 tok |
| calven-ai/demoverse Grow a fake company's entire sales history across CRM, calls, email and Slack that moves e | 4 | Claude Code, Codex, OpenCode | 7 | 3,794 tok |
| Abhillashjadhav/AI-PM-essential-skills Installable Claude Code plugins for AI product evaluation, model routing, guarded loops, a | 4 | Claude Code, Codex, OpenCode | 3 | 1,227 tok |
| netresearch/netresearch-branding-skill netresearch.github.io Agent Skill for implementing Netresearch brand guidelines - colors, typography, components | 4 | Codex, OpenCode | 1 | 808 tok |
| truman-t3/industrial-design-portfolio-skill truman-t3.github.io Evidence-first industrial design portfolio Skill for Codex, Claude Code, Cursor, Gemini CL | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 7,821 tok |
| crimx/skills A collection of agent skills I use in real work. | 4 | Codex, OpenCode | 1 | 490 tok |
| ca-who-codes/ultimate.UIUX.design.skills One-stop design context pack for AI coding agents — two tracks: interfaces (web/apps, comp | 4 | Claude Code, Codex, OpenCode | 2 | 1,707 tok |
| kitepon/Throughline npmjs.com Cut ~90% of Claude Code's context usage while keeping nearly all the memory | 4 | Claude Code, Codex, OpenCode | 4 | 21,134 tok |
| amlei/amlei-resume An Agent Skills package for writing resumes, running in AI assistants such as Claude Code, | 4 | Codex, OpenCode | 1 | 995 tok |
| rhein1/fable5-codex OpenAI Codex plugin for evidence-first code review, audits, fact checks, run contracts, an | 4 | Codex, OpenCode | 1 | 372 tok |
| Xerrion/servicenow-platform-mcp A developer & debug-focused MCP server for ServiceNow - platform introspection, change int | 4 | Codex, OpenCode | 1 | 30 tok |
| everclear077/dsh-progressive-tools Progressive tool discovery for DeepSeek Harness — tiny stable surface, searchable catalog, | 4 | Claude Code, Codex, OpenCode | 2 | 944 tok |
| lizard-build/lizard-cli lizard.build Deploy and manage apps on Lizard from your terminal — upload and deploy code, stream logs, | 4 | Codex, OpenCode | 1 | 1,516 tok |
| agno-agi/agentos-render docs.agno.com AgentOS: Serve agents over API, MCP, and chat interfaces like Slack | 4 | Claude Code, Codex, OpenCode | 11 | 15,298 tok |
| xsourabhsharma/ai-security-audit-pro Universal security-audit plugin and CLI engine for AI agents with OWASP-mapped reports for | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 753 tok |
| guicybercode/Jig Terminals on a canvas. A local-first desktop workspace for coding-agent CLIs, parallel PTY | 4 | Codex, OpenCode | 1 | 1,134 tok |
| MilindGaharwar/fettle pypi.org Open-source trust layer for AI coding agents: in-session quality, delegation-safe policy, | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 18 | 250 tok |
| sernst/skills My AI Agent Skills. A nix of ones I've developed myself and others I've adapted from other | 4 | Codex, OpenCode | 1 | 446 tok |
| staticaland/skills Ceremonial grade agent skills 🫖 | 4 | Claude Code, Codex, OpenCode | 7 | 949 tok |
| howells/skills | 4 | Claude Code, Codex, OpenCode | 2 | 2,203 tok |
| RichardHightower/reliable-agentic-lab Lab repo for Engineering Reliable Agentic AI Systems (Packt workshop, 29 August 2026). Tic | 4 | Claude Code, Codex, OpenCode | 6 | 795 tok |
| snyk-labs/snyk-vulnbench | 4 | Claude Code, Codex, OpenCode | 12 | 2,521 tok |
| Aidas-dev/k8s-agent-skills git.kubexa.tech Agent skills for Kubernetes cluster operations — Cilium, Talos, Flux, Rook-Ceph, CNPG, Git | 4 | Codex, OpenCode | 1 | 333 tok |
| yandong2023/java-backend-team An AI Skill configuration package for enterprise Java backend teams, designed to help deve | 4 | Codex, OpenCode | 2 | 1,789 tok |
| accordproject/concerto-rust Implementation of Concerto runtime in Rust | 4 | Codex, OpenCode | 1 | 279 tok |
| vanities/social-skills Skill-driven social media automation across IG / LinkedIn / X / Pinterest / TikTok via Cla | 4 | Claude Code, Codex, OpenCode | 2 | 6,807 tok |
| NetApp/gcnv-mcp-server MCP server for provisioning and managing NAS and iSCSI volumes using Google Cloud NetApp V | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 23,364 tok |
| AEALab/CraftWiki | 4 | Codex, OpenCode | 1 | 178 tok |
| reem-sab/tech-writer-prompts An open-source, tested prompt library for technical writers. Prompts are documentation. Do | 4 | Codex, OpenCode | 1 | 761 tok |
| jperocho/diffwarden Independent PR guardian skill/playbook. | 4 | Claude Code, Codex, OpenCode | 2 | 1,076 tok |
| itslab42/agentctl itslab42.github.io Define AI coding-agent permissions once, enforce them everywhere. One .ai/ source of truth | 4 | Codex, Kiro, OpenCode | 3 | 1,219 tok |
| muhammaddadu/outlook-cli | 4 | Codex, OpenCode | 1 | 2,473 tok |
| AllenMuu/mysql-cli Go CLI for AI agent MySQL access | 4 | Claude Code, Codex, OpenCode | 2 | 2,782 tok |
| headlinearena/headlinearena-agent-plugin headlinearena.com Skills for integrating AI agents with HeadlineArena | 4 | Claude Code, Codex, OpenCode | 2 | 1,445 tok |
| prevalentWare/opencode-loop-plugin npmjs.com OpenCode loop plugin for Claude Code-style /loop recurring prompts, idle-aware scheduling, | 4 | Codex, OpenCode | 1 | 982 tok |
| Ding-Ding-Projects/lowlevel-computer-use-mcp ding-ding-projects.github.io | 4 | Codex, OpenCode | 1 | 1,452 tok |
| MMoMM-org/miyo-kado Where AI meets your vault, on your terms... Obsidian Vault MCP Server | 4 | Claude Code, Codex, OpenCode | 3 | 1,884 tok |
| leixyou/chatgpt-web-image-mcp Local MCP bridge for generating and retrieving images through a dedicated ChatGPT web brow | 4 | Codex, OpenCode | 1 | 276 tok |
| Hellowda253/KIT-PUCP-MCP Kit MCP comunitario para estudiantes PUCP: Paideia, Campus Virtual, horarios, notas, matrí | 4 | Codex, OpenCode | 1 | 1,027 tok |
| valenZW/cst-sim-agent A Claude Code plugin turning CST Studio Suite into a conversational electromagnetic simula | 4 | Codex, OpenCode | 1 | 2,419 tok |
| cyanheads/internet-archive-mcp-server npmjs.com Search the Wayback Machine and IA library (40M+ items), fetch archived snapshots, retrieve | 4 | Claude Code, Codex, OpenCode | 2 | 11,224 tok |