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 |
|---|---|---|---|---|
| spmisha134/skillOps-intellij IntelliJ plugin for creating and validating Codex, Claude and Gemini skills inside a proje | 1 | Claude Code, Codex, OpenCode | 2 | 1,622 tok |
| caglarbaranbora/Apple-Agent-Kit Spec-first knowledge system for AI coding agents developing Apple iOS/iPadOS platform apps | 1 | Claude Code, Codex, OpenCode | 2 | 1,939 tok |
| Avalon-27reg/smyslokod-starter A stack-agnostic semantic coding template for Claude Code: business context in business/, | 1 | Claude Code, Codex, OpenCode | 3 | 2,851 tok |
| Synthrun/Cicada cicada-skill.vercel.app Cicada — Security Audit & Fix Skill for LLM coding agents (16 domains, cross-framework) | 1 | Codex, OpenCode | 1 | 210 tok |
| iress/design-system Shared component library for Iress products | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 17 | 17,196 tok |
| AlbionaHoti/cycle-coded Claude that speaks cycle, chart, and era language — and obeys it. Glossary-first agent mod | 1 | Codex, Gemini CLI, OpenCode | 2 | 283 tok |
| delexw/claude-code-misc Personal Used Claude Code Skills and Agents. | 1 | Claude Code, Codex, OpenCode | 3 | 2,840 tok |
| PrecisionUtilityGuild/docforge npmjs.com Agent-grade document production MCP server powered by Typst, plus Forge, a Slack agent for | 1 | Claude Code, Codex, OpenCode | 2 | 939 tok |
| guanhxuan/sshcode-mcp | 1 | Codex, OpenCode | 1 | 539 tok |
| alexandme/textql-mcp Open-Source MCP server for AI models and agents to interact with SQL/Graph databases using | 1 | Codex, OpenCode | 1 | 2,037 tok |
| epicsagas/toefl-prep TOEFL iBT study plugin — fully offline grading of all 4 sections (Reading/Listening/Speaki | 1 | Claude Code, Codex, OpenCode | 1 | 1,035 tok |
| ishan-parihar/instagram-mcp-server Instagram MCP server — social media automation via Model Context Protocol | 1 | Claude Code, Codex, OpenCode | 3 | 1,393 tok |
| Anmol202005/kira-mcp pypi.org A local Model Context Protocol server that gives any MCP-compatible agent host (Claude Des | 1 | Claude Code, Codex, OpenCode | 2 | 758 tok |
| b-mendoza/agent-skills A collection of reusable skills for AI-assisted development workflows | 1 | Claude Code, Codex, OpenCode | 2 | 1,207 tok |
| XyndoX/good-bad-ugly The Good, the Bad and the Ugly — tiered multi-agent orchestration for Claude Code | 1 | Codex, OpenCode | 1 | 773 tok |
| spmisha134/skillOps-vscode Vscode plugin for creating and validating Codex, Claude and Gemini skills inside a project | 1 | Claude Code, Codex, OpenCode | 2 | 1,934 tok |
| kefapps/onepassword-mcp-codex Standalone MCP server for 1Password desktop app integrations with opaque-by-default secret | 1 | Codex, OpenCode | 1 | 1,012 tok |
| alexander-vyh/claude-profiles Switch Claude Code between Anthropic direct and custom LLM gateway profiles via slash comm | 1 | Claude Code, Codex, OpenCode | 2 | 1,233 tok |
| Nazzero/ai-handoff Structured handoff documents for AI coding agents. Type /handoff to generate session summa | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 205 tok |
| MECoban/garmin-ai-coach Fully automated self-hosted AI marathon coach from Garmin Connect (Cloudflare-bypass auth, | 1 | Codex, OpenCode | 1 | 466 tok |
| PBNZ/repo-kit RepoKit — a reusable repo standard + /new-repo scaffolder, packaged as a Claude Code plugi | 1 | Claude Code, Codex, OpenCode | 3 | 704 tok |
| seungyeop-lee/beads-starter Bring the beads issue-tracker workflow to AI coding agents — always-on bash installer (AGE | 1 | Claude Code, Codex, OpenCode | 3 | 5,972 tok |
| 0nyr/g5k-kickstart | 1 | Claude Code, Codex, OpenCode | 2 | 540 tok |
| NVZver/claude-marketplace Claude Code plugins for spec-first development: every agent claim cites a source, every co | 1 | Claude Code, Codex, OpenCode | 4 | 1,095 tok |
| Akash97p/agent-notify akash97p.github.io AgentNotify is a local Windows human-attention broker for autonomous coding agents. Agents | 1 | Claude Code, Codex, OpenCode | 2 | 2,710 tok |
| OC-NeuralSense/reader-first-writing-skills An editorial system for AI agents (Claude Code, Codex): 12 skills, independent review agen | 1 | Codex, OpenCode | 1 | 661 tok |
| painhardcore/pstack Portable coding-agent workflows adapted from Cursor’s pstack for Codex, Claude Code, and O | 1 | Codex, OpenCode | 1 | 493 tok |
| artttj/llama-steve sonto.space Llama Steve analyzes your actual product to identify and ship game-changing features. Maxi | 1 | Codex, OpenCode | 1 | 817 tok |
| husniadil/ekstend Ekstend your Claude Code with community plugins | 1 | Claude Code, Codex, OpenCode | 2 | 1,594 tok |
| fernandogarzaaa/chimeralang-mcp ChimeraLang MCP Server — probabilistic types, consensus gates, and hallucination detection | 1 | Claude Code, Codex, OpenCode | 9 | 3,193 tok |
| leaf76/lazy_mobile_mcp npmjs.com Local MCP server for Android/iOS mobile automation and performance telemetry via ADB, simc | 1 | Codex, OpenCode | 1 | 2,621 tok |
| webmaxru/ai-native-dev webmaxru.github.io Plugin marketplace for AI-native development agent skills | 1 | Codex, OpenCode | 1 | 507 tok |
| VXNTedits/fusion360-mcp-periscope PERISCOPE — Read-only Fusion 360 MCP: an Autodesk add-in for Claude, Codex, & Co. | 1 | Codex, OpenCode | 1 | 1,158 tok |
| vineetu/simple-host simple-host.app Deploy websites to simple-host.app from your coding agent (Claude Code, Codex, Cursor) — o | 1 | Claude Code, Codex, OpenCode | 2 | 2,652 tok |
| lucyfengcl-art/video-prep Clean up raw video clips before editing: cut silence, transcribe subtitles (any language, | 1 | Codex, OpenCode | 1 | 304 tok |
| enalbenerraw/blanewarrene Blane's AI PM Repository | 1 | Claude Code, Codex, OpenCode | 2 | 3,300 tok |
| jtprogru/bear-skills Multi-domain collection of rules, skills, and agents for Claude Code: Obsidian PKB, Git wo | 1 | Codex, OpenCode | 1 | 3,352 tok |
| runnithan/claudex-setup Portable Claude Code and Codex configuration: slash commands, subagents, hooks, skills, an | 1 | Claude Code, Codex, OpenCode | 2 | 3,026 tok |
| teachskillofskills-ai/ContentForge-techshu techshu.ai Editorial pipeline for TechShu delivery teams - research, fact-check, draft, humanize, del | 1 | Codex, OpenCode | 1 | 1,843 tok |
| monahright467/harness-books Explore harness engineering books for building bounded, accountable code workflows in term | 1 | Claude Code, Codex, OpenCode | 2 | 913 tok |
| developer239/michals-opencode-cookbook The only harness skeleton you will ever need. | 1 | Codex, OpenCode | 1 | 3,324 tok |
| Tespera/alluvium Auto-archive Claude Code sessions to your Obsidian vault as a Karpathy-style LLM wiki. Pas | 1 | Claude Code, Codex, OpenCode | 5 | 3,383 tok |
| shenchangmin/cairnkit A knowledge-precipitation harness for Claude Code and Codex — the workflow is the pipe, kn | 1 | Claude Code, Codex, OpenCode | 2 | 3,846 tok |
| bitqs/Slime slime-arena-demo.shuangqu.workers.dev ⚔️ Turn your real Claude Code session into a turn-based RPG — a statusline HUD + PixiJS ar | 1 | Claude Code, Codex, OpenCode | 2 | 3,202 tok |
| adaline-ankit/your-tam-is-fake A GTM strategist for your coding agent that does the research, rebuilds your TAM from scra | 1 | Codex, Gemini CLI, OpenCode | 2 | 4,408 tok |
| Kepei-Lei102/breakwatch Break reminders that know how long you have actually been working. Two Claude Code hooks, | 1 | Claude Code, Codex, OpenCode | 2 | 1,446 tok |
| meganemura/headsign 🚄 A tiny phase gate for coding agents: your shell checks decide pass/fail (never the LLM) | 1 | Claude Code, Codex, OpenCode | 2 | 450 tok |
| ATLAS-DEV78423/AgentBridge Migrate AI coding agent config between 12 agents — Claude Code, Codex, Copilot, Cursor, Ge | 1 | Codex, OpenCode | 1 | 569 tok |
| Jack-infinity420/three-mechanisms-plugin Claude Code plugin | Cursor plugin | Trae plugin | Codex plugin — AI agent code of conduct | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,154 tok |
| Aboudjem/goalify Hand Claude a huge task. Come back to proof it's done, not a promise that it is. | 1 | Codex, OpenCode | 1 | 2,034 tok |