1,906 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 agents7,450Claude Code6,586Data and AI3,698Backend and APIs3,488Languages3,402Planning3,191Git and workflow3,129Code review2,728Memory and context2,353Testing2,330DevOps and cloud2,293Research2,288Writing and docs2,283Frontend2,242Security1,990Productivity1,704
All Claude Code32,053 Codex23,184 OpenCode21,956 GitHub Copilot3,523 Gemini CLI1,906 Cursor1,729 Windsurf98 Kiro64
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| LBT-AI/toolnet-memory | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,446 tok |
| bullboy1/babycoding This protocol is like a shared "tool inventory" for the project. Before writing any code, | 4 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 10,135 tok |
| greglas75/codesift codesift.dev Token-efficient code intelligence for AI agents — 66 MCP tools via tree-sitter AST, BM25F | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 25,440 tok |
| ystreibel/logseq-wiki Skill-based framework for building and maintaining a Logseq knowledge base using AI coding | 4 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 42 | 4,910 tok |
| jpantsjoha/googlecloud-plugin A full Google Cloud delivery team for your coding agent — vendor-objective solution design | 4 | Codex, Gemini CLI, OpenCode | 2 | 985 tok |
| VoytechG/spec-driven-development Multi-area spec-driven development plugin for Claude Code, Codex, and Gemini CLI. Loads th | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 868 tok |
| hkopenai/hk-health-mcp-server This is an MCP server that provides access to health related data in Hong Kong through a F | 4 | Gemini CLI | 1 | 109 tok |
| rweisssieker-xp/GBL-CREO-WINDCHILL-MCP MCP Server for Creo and Windchill | 4 | Gemini CLI | 14 | — |
| raxITlabs/mcp-oauth-sample raxitai.github.io OAuth 2.1 authorization and MCP server on Vercel for MCP clients with real-time analytics | 4 | Claude Code, Gemini CLI | 2 | 1,409 tok |
| TomBener/devonthink-mcp DEVONthink MCP Server | 4 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 5,712 tok |
| jpcors/ring-mcp MCP server for Ring home security devices | 4 | Claude Code, Gemini CLI | 2 | 2,184 tok |
| app-sre/proms-mcp A Prometheus Mesh MCP server | 4 | Claude Code, Gemini CLI | 2 | 6 tok |
| plusplusoneplusplus/mcp mcp server | 4 | Gemini CLI | 1 | 158 tok |
| bmya/claude-odoo-api MCP server for Odoo 19 External JSON-2 API with multi-company support, image processing, r | 4 | Claude Code, Gemini CLI | 2 | 4,550 tok |
| jaskaranhundal/usap-skills usap-security.vercel.app Open-source AI cybersecurity agent skills for SOC, incident response, threat hunting, red | 4 | Claude Code, Gemini CLI | 2 | 2,781 tok |
| Zachariah9420/embedded-systems-architect augmentclaude.com Evidence-driven embedded systems & edge-AI skill for Claude Code and other agents — vendor | 4 | Codex, Gemini CLI, OpenCode | 2 | 293 tok |
| KSEGIT/Version-Sentinel Claude Code plugin that hard-blocks dependency additions, bumps, and downgrades until a fr | 4 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 3,209 tok |
| jeffreytse/grimoire-core grimoire.jeffreytse.net 🧙 Official best-practice skill library for grimoire — 1000+ skills across engineering, te | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,494 tok |
| thekie/read-no-evil-mcp A secure email gateway MCP server that protects AI agents from prompt injection attacks hi | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,233 tok |
| GentBajko/capstone capstone.sh Your agent, on rails. Every rule decided before a line is written. Every doc read before a | 4 | Gemini CLI | 1 | 10 tok |
| xrcodexcode/xr_node Personal wiki | 4 | Claude Code, Codex, Gemini CLI | 5 | 6,109 tok |
| jordantcarlisle/personal-os A personal operating system powered by AI agents. Built on PARA, GTD, and Atomic Habits. | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 29 | 5,238 tok |
| qut-dmrc/buttermilk | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 10 | 75 tok |
| panoptes/panoptes-utils panoptes.github.io A set of Astronomical utility functions. PANOPTES style. :hammer_and_wrench: :telescope: : | 4 | Codex, GitHub Copilot, Gemini CLI, OpenCode | 3 | 8,008 tok |
| a2uicatalog/a2ui a2uicatalog.ai Typed UI vocabulary for AI agents using the a2ui protocol — 474 atoms an agent composes i | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 2,388 tok |
| ShiftinBits/constellation-mcp docs.constellationdev.io Code Intelligence Platform for AI Coding Assistants | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 1,974 tok |
| EvanL1/AetherEdge aetheriot.ai Deterministic edge runtime for agent-configured physical spaces — Kernel, CLI, and SDK for | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,927 tok |
| dinglebear-ai/cortex npmjs.com Rust MCP/HTTP log aggregation platform for homelab syslog, Docker logs, OTLP ingest, SQLit | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 8,762 tok |
| dinglebear-ai/rarcane npmjs.com Rust MCP server and CLI for Arcane Docker/container management, with action-dispatched too | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 4,903 tok |
| Apomera/AlloFlow apomera.github.io AI-powered instructional differentiation engine that runs in Gemini canvas preview mode. A | 3 | Claude Code, Gemini CLI | 9 | — |
| vish288/mcp-atlassian-extended pypi.org MCP server for Jira & Confluence — 23 tools, 15 resources, 5 prompts. Sprints, agile board | 3 | Codex, Gemini CLI, OpenCode | 2 | 2,383 tok |
| matbanik/Pomera-AI-Commander Turn messy text into clean output fast—GUI for humans, MCP tools for AI IDEs (Cursor/Claud | 3 | Gemini CLI | 1 | 3,113 tok |
| ihabkhaled/AI-Psychiatry AI-Psychiatry is a Claude plugin that gives AI coding agents an executive-function layer t | 3 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 5 | 390 tok |
| Kin9Zeus/senior-engineer-skills Turn Claude Code into a senior engineering organization — 15 skills for full-spectrum audi | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,116 tok |
| Spe1977/cli-collaboration Handoff-first protocol for coordinating Codex, Claude Code, Gemini/Antigravity CLI & Grok | 3 | Claude Code, Gemini CLI | 2 | 1,550 tok |
| SunnyKTuladhar/lateralus 🌀The Lateral Thinking skill, for when you need to turn you coding agent to brainstorm, s | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,823 tok |
| momentmaker/kaijutsu kaijutsu.dev Write your dev workflow once. Run it on any LLM. Open agent skills + multi-model swarm + a | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,890 tok |
| ArchSightLabs/archsight-cognition npmjs.com Cognitive enhancement AI Skills: structured thinking, decision reviews, debate, writing, p | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,557 tok |
| fmind/agent-levers fmind.github.io Levers for AI coding agents (Claude Code, Gemini CLI, GitHub Copilot, OpenCode) — multiply | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 640 tok |
| HubWu42/hubwu-skills HubWu's curated collection of open-source Agent Skills — cross-agent compatible, following | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 834 tok |
| ArtemioPadilla/agent-triforce PM + Dev + QA agents engineered for structure, security, and short context windows. | 3 | Claude Code, Gemini CLI | 2 | 3,802 tok |
| kbatsu/chrysippus kbatsu.github.io 🎭 hark / ahoy / fr no cap / mans still — Claude Code plugin that makes thy AI agent speak | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 32,851 tok |
| Heretyc/subagent-mcp npmjs.com subagent-mcp is an MCP stdio server that turns an AI coding assistant (Claude Code, Codex, | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 9,043 tok |
| biggora/dev-team gordejev.lv Claude Code plugin that orchestrates a team of specialized AI agents for full-cycle softwa | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 11,939 tok |
| gg-mo/repo-hygiene Hygiene skills for Claude Code, Codex, Cursor, OpenCode, Gemini, and Copilot — orient, doc | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 729 tok |
| stdin/buy-vs-build Stop AI coding agents from adding dependency and build ownership without a decision note. | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 2,240 tok |
| apervashov/typescript-learning-assistant apervashov.github.io Learn TypeScript with Handbook-aligned exercises, a local progress tracker, and AI mentor | 3 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 5 | 2,660 tok |
| Codename-11/ARC arc-cli.dev Agent Runtime Control — unified CLI + TUI + web dashboard for managing AI coding agent pro | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 4,880 tok |
| godstale/IDE-Adapter hellollama.net IDEA (Integrated Development Environment Adapter) is a VS Code extension that exposes IDE | 3 | Claude Code, Gemini CLI | 2 | 2,091 tok |
| ThirdKeyAI/symbi-gemini-cli symbiont.dev Use Symbiont's zero-trust governance with Gemini CLI | 3 | Gemini CLI | 1 | 1,005 tok |