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 |
|---|---|---|---|---|
| Vann-Dev/AgentBridge agentbridge.vann.my.id AgentBridge — an OpenClaw coordination dashboard and API for assigning, tracking, and revi | 2 | Codex, OpenCode | 1 | 1,026 tok |
| may215/antigravity-awesome-group-skills 🧠 A curated collection of 1,449+ agentic AI skill playbooks for Antigravity, Claude Code, | 2 | Codex, OpenCode | 1 | 488 tok |
| delorenj/ssbnk delorenj.com Lightweight screenshot/gif server built for frictionless, agent-agnostic LLM consumption | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 78 | 1,331 tok |
| jscraik/ralph-gold A *Golden Ralph Loop* orchestrator that runs **fresh CLI-agent sessions** (Codex, Claude C | 2 | Codex, OpenCode | 1 | 1,581 tok |
| SeattleUser0/AutoSage AutoSage is a cross-platform multi-physics simulation orchestration engine built with Swif | 2 | Codex, OpenCode | 1 | 619 tok |
| frankxai/claude-codex-gemini-opencode-settings Multi-tool AI coding assistant settings - Claude Code, OpenAI Codex, Gemini CLI, OpenCode, | 2 | Claude Code, Codex, OpenCode | 2 | 2,226 tok |
| unbound9527/agenticboot One-click installer to bootstrap your AI coding environment — Claude Code, Codex, OpenCode | 2 | Codex, OpenCode | 1 | 722 tok |
| rogermt/mcp-repo-onboarding An **MCP server** for the Gemini CLI that analyzes a local code repository (and helps gene | 2 | Codex, Gemini CLI, OpenCode | 2 | 2,960 tok |
| jeiel85/claude-usage-tray-windows jeiel85.github.io A WPF app that monitors usage and notifications for Claude, Codex, Gemini CLI, and OpenCod | 2 | Codex, Gemini CLI, OpenCode | 2 | 2,765 tok |
| GuillemRoca/agent-skills-android Production-grade engineering skills for AI coding agents tailored to Android | 2 | Claude Code, Codex, OpenCode | 2 | 1,537 tok |
| isdou/codeck skills.sh Codex-first multi-model orchestration and context handoff for Claude Code, Gemini CLI, Kim | 2 | Codex, OpenCode | 1 | 186 tok |
| ASER-ho/coding-agent-safety-gate A documentation-first safety gate for AI coding agents: task boundaries, forbidden actions | 2 | Codex, OpenCode | 1 | 589 tok |
| JJHbrams/Project-AMBER Local-first project memory for AI coding tools on Windows. Connect Claude Code, Codex and | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 15 | 1,673 tok |
| aolingge/agent-reliability-kit aolingge.github.io Verify, harden, and ship AI-agent-assisted codebases in one command. | 2 | Codex, OpenCode | 1 | 211 tok |
| douglas-gibbons/redwood Local user interface for Gemini | 2 | Codex, OpenCode | 1 | 672 tok |
| itonx/ai-model-comparison Comparing Claude Opus 4.5/4.6, Gemini Flash 2.5/Pro 2.5/Pro 3.0, and GPT Codex 5.2/5.3 for | 2 | Codex, Gemini CLI, OpenCode | 2 | 302 tok |
| con/skills Anthropics claude-code skills for the CON masses | 2 | Claude Code, Codex, OpenCode | 2 | 1,414 tok |
| simota/relay simota.github.io Local-first CLI/Web hub that aggregates tasks from code TODOs, GitHub issues, and Claude C | 2 | Claude Code, Codex, OpenCode | 2 | 3,304 tok |
| NieZhuZhu/ai-harness-doctor npmjs.com 🩺 Doctor for your repo's AI harness — audit, merge & drift-guard scattered agent configs | 2 | Codex, GitHub Copilot, OpenCode | 2 | 2,218 tok |
| imMamdouhaboammar/get-things-done Autonomous execution & work modeling engine for AI agents (Claude Code, ChatGPT, Codex, Ge | 2 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf | 9 | 3,207 tok |
| kingsword09/xling npmjs.com Unified CLI for managing AI tool settings across Claude Code, Codex, and Gemini CLI. | 2 | Codex, OpenCode | 1 | 3,157 tok |
| abhishekray07/agents-md-templates One AGENTS.md, every AI coding agent. Copy-paste templates for Claude Code, Codex, Cursor, | 2 | Codex, OpenCode | 1 | 591 tok |
| n3wth/r3 r3.newth.ai Intelligent memory MCP for AI apps | 2 | Codex, OpenCode | 1 | 1,582 tok |
| zama-ai/skills | 2 | Claude Code, Codex, OpenCode | 2 | 1,206 tok |
| opendatahub-io/autofix-skills Claude Code plugin providing orchestrator skills, prompt files, and state management scrip | 2 | Claude Code, Codex, OpenCode | 3 | 1,534 tok |
| managedcode/GeminiSharpSDK CLI-first .NET 10 / C# SDK for Google Gemini CLI with typed thread API, streamed JSONL eve | 2 | Codex, OpenCode | 6 | 4,134 tok |
| vibe-coding-era/skills Selected skills projects and practical experience | 2 | Codex, OpenCode | 1 | 829 tok |
| osac-project/osac-ai-skills osac-project.github.io A collection of Claude Code plugins to automate and assist with osac development tasks. | 2 | Claude Code, Codex, OpenCode | 2 | 1,896 tok |
| bitwise-media-group/skills Coding agent marketplace for skills used by the BitWise Media Group. | 2 | Claude Code, Codex, OpenCode | 2 | 1,498 tok |
| nikeyes/claude-code-config Personal Claude Code configuration | 2 | Claude Code, Codex, OpenCode | 2 | 315 tok |
| sleeyax/promptfiles My collection of skills, prompts and custom agents | 2 | Claude Code, Codex, OpenCode | 2 | 1,511 tok |
| openshift-online/gcp-hcp Documentation and experiments for GCP HCP development | 2 | Claude Code, Codex, OpenCode | 8 | 1,074 tok |
| infohata/mind-vault AI skills, rules, commands, configs | 2 | Claude Code, Codex, OpenCode | 1 | 3,177 tok |
| smartsheet/smartsheet-sdk-tests Mock test suite for all language SDKs | 2 | Claude Code, Codex, OpenCode | 4 | 705 tok |
| nilhemdot/claude-skills-hub clskills.in 789 ready-to-use skills for Claude Code — browse, preview, and download | 2 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| voxuanthuan/skills | 2 | Codex, OpenCode | 1 | 45 tok |
| gipert/dbetto dbetto.readthedocs.io A tiny text based database implementation | 2 | Claude Code, Codex, OpenCode | 3 | 128 tok |
| loicngr/Kobo A multi-workspace agent manager for Claude Code & Codex | 2 | Claude Code, Codex, OpenCode | 2 | 13,881 tok |
| sumulige/sumulige-claude npmjs.com Universal Agent Harness - Transform Claude Code & Codex into intelligent, memory-aware dev | 2 | Claude Code, Codex, OpenCode | 55 | 6,196 tok |
| Diluka/wecom-codex-bot A Deno bridge from WeCom AI Bot chats to persistent Codex CLI sessions via the Codex App S | 2 | Codex, OpenCode | 1 | 5,004 tok |
| qibinlou/falcon Run any coding agent with any LLM in absolute privacy. | 2 | Claude Code, Codex, OpenCode | 2 | 3,417 tok |
| Lortzing/CoderRelay Multi-account and multi-API profile manager for Codex CLI with auth.json support, OpenAI-c | 2 | Codex, OpenCode | 1 | 1,552 tok |
| Luckycat133/skills-repo clawhub.ai Offline migration, backup and restore for Agent Skills, rules and MCP across Cursor, Claud | 2 | Claude Code, Codex, OpenCode | 2 | 707 tok |
| sevenschulte/agentic-harness Reference harness for agentic coding. Six layers configured for Claude Code, with adapter | 2 | Claude Code, Codex, OpenCode | 9 | 4,152 tok |
| Minghou-Lei/codex-skills My personal codex skills backup | 2 | Codex, OpenCode | 1 | 2,816 tok |
| daphnee-ovo/dev-flow Engineering discipline for AI coding agents — from requirements through delivery | 2 | Claude Code, Codex, OpenCode | 3 | 1,680 tok |
| guilhermehto/cogitator Manage your ongoing harness sessions and worktrees from a single place | 2 | Codex, OpenCode | 1 | 941 tok |
| kohj1018/agentic-dev-harness Document-first agentic dev harness for Claude Code and Codex CLI — scaffolds charter, arch | 2 | Claude Code, Codex, OpenCode | 3 | 1,500 tok |
| Axiweave/codex-as Run Codex with saved auth/provider profiles without permanently rewriting auth.json or con | 2 | Codex, OpenCode | 1 | 296 tok |
| papperrollinggery/zhijuan-codex-agency-chief-of-staf Outcome-owned Codex Skill for multi-agent research, planning, execution, model routing, ve | 2 | Codex, OpenCode | 1 | 200 tok |