23,733 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 agents8,505Claude Code6,886Git and workflow3,611Data and AI3,580Backend and APIs3,556Languages3,487Planning3,327Code review2,899Testing2,686Writing and docs2,480DevOps and cloud2,479Memory and context2,375Research2,323Frontend2,308Security2,172Project management1,965
All Claude Code32,517 Codex24,815 OpenCode23,733 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,770 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| instantcms-dev/instantcms-mcp npmjs.com MCP Server - AI assistant for InstantCMS development | 12 | Claude Code, Codex, OpenCode | 2 | 858 tok |
| Coding-Dev-Tools/rtk-improved Universal RTK token optimization integration for all 13 supported AI coding agents | 12 | Codex, OpenCode | 1 | 725 tok |
| aoagents/ReverbCode | 12 | Claude Code, Codex, OpenCode | 2 | 2,125 tok |
| thecolab-ai/the-for-good-project thecolab.ai An open research commons where people and AI agents work together to solve New Zealand's b | 12 | Claude Code, Codex, OpenCode | 5 | 5,231 tok |
| ils15/pantheon-legacy 14 specialized AI agents for TDD-driven developmen | 12 | Claude Code, Codex, OpenCode | 3 | 1,534 tok |
| coredo-eu/codex-agent-config Codex instructions and native specialist agent profiles for delegating, verifying, and rec | 12 | Codex, OpenCode | 1 | 4,313 tok |
| RuBiCK/ynab-sqlite-export Dump your entire YNAB account into a local SQLite file. Zero dependencies, incremental syn | 12 | Claude Code, Codex, OpenCode | 2 | 293 tok |
| xiankq/cesium-mvt xiankq.github.io Experimental high-performance MVT renderer for Cesium 1.140.0 (Buffer*Collection + MapLibr | 12 | Codex, OpenCode | 1 | 685 tok |
| ag2ai/ag2-skills Agent Skills for AG2 developers | 12 | Claude Code, Codex, OpenCode | 2 | 1,526 tok |
| lgrammel/app-launcher Hackable app launcher base for MacOS | 12 | Codex, OpenCode | 1 | 210 tok |
| tjcoder-labs/cli tjcoder.com Terminal-first research harness exploring generative UIs and model-directed presentation a | 12 | Codex, OpenCode | 1 | 1,269 tok |
| Rothschildiuk/context-pack Compact CLI that turns a repository into a high-signal context bundle for coding agents. | 12 | Codex, OpenCode | 1 | 473 tok |
| bo0tzz/pgmqtt Stateless and scalable MQTT broker backed by Postgres | 12 | Codex, OpenCode | 1 | 2,080 tok |
| RZX00/deepseek-harness-desktop DeepSeek Harness with a Windows desktop build: an Electron shell over the dsh web profile, | 12 | Claude Code, Codex, OpenCode | 13 | 3,562 tok |
| celinval/snapcrab celinval.github.io Experimental Rust interpreter | 12 | Claude Code, Codex, OpenCode | 2 | 2,224 tok |
| eaopen/eap-boot An open enterprise application platform that integrates various open-source projects as a | 12 | Claude Code, Codex, OpenCode | 2 | 769 tok |
| RuochenLyu/run-shelf A local macOS script management tool for running, scheduling, and troubleshooting Shell sc | 12 | Codex, OpenCode | 1 | 206 tok |
| alexandre-schaffner/revv Revv is an AI-powered code review desktop application. It's a Tauri v2 desktop app with a | 12 | Claude Code, Codex, OpenCode | 2 | 11,338 tok |
| pasunboneleve/oiticica-style A century-old style manual, converted into a taxonomy of agentic writing skills. | 12 | Claude Code, Codex, OpenCode | 5 | 800 tok |
| jeweis/mcpcat mcp | 12 | Claude Code, Codex, OpenCode | 2 | 2,012 tok |
| TokenDanceLab/AgentHub hub.tokendancelab.com IM-native multi-agent collaboration platform — @mention Claude Code, Codex, OpenCode like | 12 | Codex, OpenCode | 1 | 2,466 tok |
| mathruffian-dot/rdq-skill-chatgpt-app RDQ Method — ChatGPT App edition: producing verifiable specification cards through four-qu | 12 | Codex, OpenCode | 1 | 540 tok |
| netresearch/typo3-extension-upgrade-skill Agent Skill for systematically upgrading TYPO3 extensions to newer LTS versions | Claude C | 12 | Codex, OpenCode | 1 | 794 tok |
| efremidze/swift-patterns-skill Modern Swift/SwiftUI Best Practices (Agent Skills) | 12 | Codex, OpenCode | 1 | 1,145 tok |
| ivan-magda/mobile-design-skills Mobile design skills for iOS (Liquid Glass) and Android (M3 Expressive) that help AI agent | 12 | Claude Code, Codex, OpenCode | 2 | 274 tok |
| microsoft/entrabot microsoft.github.io Give a device-local AI agent its own Microsoft Entra identity. Reference implementation fo | 12 | Claude Code, Codex, OpenCode | 7 | 5,556 tok |
| unknowbug/qlens QLens — HDR image viewer (QuickView) + image manager with open tag database (qltag.db) + M | 12 | Codex, OpenCode | 1 | 987 tok |
| hannsxpeter/scriveno Spec-driven creative writing, publishing, and translation pipeline for AI coding agents. F | 12 | Claude Code, Codex, OpenCode | 2 | 7,989 tok |
| Costumary/gsap-choreography spanthi.com AI coding instructions for scripted GSAP product demo animations — cursor choreography, ti | 12 | Codex, GitHub Copilot, OpenCode | 2 | 1,274 tok |
| joshrotenberg/tower-mcp docs.rs Tower-native Model Context Protocol (MCP) implementation | 12 | Codex, OpenCode | 1 | 402 tok |
| Aether-Grid/openticker openticker.com OpenTicker is a multi-crate Rust workspace for configurable spot-trading across equities a | 12 | Codex, OpenCode | 1 | 1,204 tok |
| hyhmrright/market-sages 13 legendary investors analyzing stocks for you — Buffett to Taleb. Real-time data via web | 12 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,689 tok |
| 6uclz1/ableton-cli Python CLI to control and inspect Ableton Live via a local Remote Script. | 12 | Claude Code, Codex, Cursor, OpenCode | 3 | 2,160 tok |
| ariadoss/superskills hyperion360.com Curated AI skills pack for Claude Code, Codex, Cursor, OpenCode, etc. TDD, debugging, secu | 12 | Claude Code, Codex, OpenCode | 2 | 3,955 tok |
| dream-num/univer-sdk-skills docs.univer.ai Developer skills for Univer aimed at AI agents, providing accurate guidance for integratio | 12 | Codex, OpenCode | 1 | 757 tok |
| yfge/agent-harness-skills Turn real software repos into agent-ready engineering environments with entrypoints, valid | 12 | Codex, Gemini CLI, OpenCode | 2 | 561 tok |
| svngoku/coding-agents-skills svngoku.github.io A curated collection of specialized skills for AI coding agents, designed to enhance agent | 12 | Codex, OpenCode | 1 | 2,791 tok |
| Vasallo94/obsidian-mcp-server Vault-native MCP server for Obsidian: let Codex, Claude Code, Hermes, and other agents rea | 12 | Claude Code, Codex, GitHub Copilot, OpenCode | 11 | 4,340 tok |
| devag7/linkedin-mcp LinkedIn for AI assistants (MCP) — profiles, people/job/company search, feed & messaging a | 12 | Codex, OpenCode | 1 | 863 tok |
| sandraschi/robotics-mcp MCP 3.1 server + Webapp. Yahboom, Dreame, Tdrone, Noetix Bumi collab with shared LIDAR map | 12 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 9 | 795 tok |
| google/chrome-enterprise-premium-mcp chromeenterprise.google Reference implementation for a Chrome Enterprise Premium MCP server | 12 | Codex, Gemini CLI, OpenCode | 2 | 1,021 tok |
| ifokeev/airbrowser-mcp ifokeev.github.io Undetectable Chrome for AI agents, web scraping, and automation. REST API + MCP server + V | 12 | Claude Code, Codex, OpenCode | 5 | 2,665 tok |
| duc01226/EasyPlatform | 12 | Claude Code, Codex, OpenCode | 13 | 4,338 tok |
| vladolaru/claude-code-codex-bridge Automatically bridge your local Claude Code setup into Codex so both stay equally effectiv | 12 | Claude Code, Codex, OpenCode | 2 | 2,842 tok |
| IvanBBaev/servicenow-mcp-ai ivanbbaev.github.io ServiceNow MCP server with safe AI writes (plan, token, apply, journal, revert), find usag | 12 | Codex, GitHub Copilot, Gemini CLI, OpenCode | 13 | 8,589 tok |
| PIXARTSeu/Synapse Self-improving AI brain for Claude Code & Desktop — 28 MCP tools, 253 skills, collective m | 12 | Claude Code, Codex, OpenCode | 2 | 7,498 tok |
| Foysal50x/skills Opinionated Laravel engineering skills for AI coding agents. | 12 | Claude Code, Codex, OpenCode | 2 | 2,321 tok |
| robertoecf/adversarial-review Review triad plugin for Claude Code: prompt optimization, adversarial red-team review, pla | 12 | Codex, OpenCode | 1 | 2,234 tok |
| adulari/forge forge.adulari.dev Fast, model-agnostic AI coding harness and CLI in Rust — routes every task to the optimal | 12 | Codex, OpenCode | 1 | 1,274 tok |
| Looted/kibi looted.github.io Kibi is a requirement-conformance layer for AI coding agents that keeps product intent con | 12 | Claude Code, Codex, GitHub Copilot, OpenCode | 10 | 2,602 tok |