24,842 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 agents8,530Claude Code6,887Git and workflow3,618Data and AI3,582Backend and APIs3,558Languages3,485Planning3,325Code review2,903Testing2,691DevOps and cloud2,482Writing and docs2,481Memory and context2,373Research2,322Frontend2,310Security2,179Project management1,971
All Claude Code32,523 Codex24,842 OpenCode23,761 GitHub Copilot3,723 Gemini CLI2,038 Cursor1,771 Windsurf201 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| kenspc/kenspc-claude-plugin Principle-first software-development workflow for Claude Code — brief → plan → task → impl | 1 | Claude Code, Codex, OpenCode | 2 | 3,677 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 |
| 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 | Codex, OpenCode | 1 | 1 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 |
| 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 | 7,701 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 | 2,063 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 |
| 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 Describe a website to the AI you already use and it's online. Every site can save data (RS | 1 | Claude Code, Codex, OpenCode | 2 | 3,588 tok |
| lucyfengcl-art/video-prep Drop raw clips in a folder, get silence-cut, subtitled video. Subtitles in 90+ languages ( | 1 | Codex, OpenCode | 1 | 307 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 | 3,511 tok |
| runnithan/claudex-setup Portable Claude Code and Codex configuration: slash commands, subagents, hooks, skills, an | 1 | Claude Code, Codex, OpenCode | 4 | 3,100 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 | 5,033 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 | 3,238 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 Create project-local skills that help coding agents complete work and improve their method | 1 | Claude Code, Codex, OpenCode | 2 | 590 tok |
| ATLAS-DEV78423/AgentBridge Migrate AI coding agent config between 12 agents — Claude Code, Codex, Copilot, Cursor, Ge | 1 | Codex, OpenCode | 1 | 2,133 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 |
| voidvec/drogon-claude-plugin Drogon C++ backend Claude Code plugin: async discipline rules, 17 code-generation skills, | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 7,000 tok |
| Aboudjem/goalify goalify-kappa.vercel.app Give your AI a big job. goalify asks all the questions first. Then the AI works alone, for | 1 | Codex, OpenCode | 1 | 2,220 tok |
| derio-net/super-fr Claude Code plugin suite: superpowers-wrapped planning, devcontainer+worktree isolation, g | 1 | Claude Code, Codex, OpenCode | 2 | 14,178 tok |
| muji-j/jp-power-tools General domain knowledge and tools for Japan's electricity market and power industry (gene | 1 | Codex, OpenCode | 1 | 705 tok |
| SoliEstre/twdd twdd.estre.so Test-Window-Driven Development: maximize safe, replayable evidence from scarce real-world | 1 | Codex, OpenCode | 1 | 587 tok |
| kanopi/cms-planner kanopi.github.io Claude Code plugin for web development project planning. | 1 | Claude Code, Codex, OpenCode | 2 | 4,798 tok |
| morodomi/dev-crew AI development team as a Claude Code plugin -- TDD workflow, security audit, and phase-bou | 1 | Claude Code, Codex, OpenCode | 4 | 2,462 tok |
| kingkingburger/plugin-mh Claude Code plugin — 18 custom skills for thinking, deciding, and building smarter | 1 | Claude Code, Codex, OpenCode | 2 | 5,375 tok |
| chris-peterson/beacon chris-peterson.github.io beacon what every session is doing. | 1 | Claude Code, Codex, OpenCode | 4 | 3,678 tok |
| attac-t/the-foundry Opinionated Claude Code plugins. How to think, what to build, how to ship, how to test. | 1 | Claude Code, Codex, OpenCode | 5 | 980 tok |
| richer-richard/cc-research Multi-agent deep research on Claude models: a Claude Code plugin + Agent SDK CLI sharing o | 1 | Codex, OpenCode | 1 | 962 tok |
| punt-labs/punt-kit Standards, design guidance, and scaffolding for Punt Labs projects | 1 | Claude Code, Codex, OpenCode | 3 | 7,863 tok |
| evb87-tech/corpus Engine + plugin marketplace for an LLM-curated second brain. Karpathy LLM-wiki pattern wit | 1 | Claude Code, Codex, OpenCode | 5 | 1,982 tok |