24,785 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 agents8,489Claude Code6,881Git and workflow3,605Data and AI3,580Backend and APIs3,556Languages3,486Planning3,323Code review2,893Testing2,681Writing and docs2,477DevOps and cloud2,477Memory and context2,375Research2,318Frontend2,308Security2,170Project management1,960
All Claude Code32,505 Codex24,785 OpenCode23,702 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,771 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| DataDog/lading A suite of data generation and load testing tools | 101 | Claude Code, Codex, OpenCode | 7 | 1,777 tok |
| linuxmatters/jive-vocals linuxmatters.sh Raw microphone recordings into broadcast-ready audio in one command. No configuration, and | 101 | Claude Code, Codex, OpenCode | 2 | 10,276 tok |
| vmihalis/hacker-bob hackerbob.ai A local MCP runtime that attacks what you own and only reports what it proved. 17 CVEs acr | 101 | Claude Code, Codex, OpenCode | 36 | 1,942 tok |
| aspenkit/aspens npmjs.com Your CLAUDE.md stopped working at 200 lines. Generate scoped skill files from your import | 101 | Claude Code, Codex, GitHub Copilot, OpenCode | 34 | 3,436 tok |
| conorluddy/xc-mcp deepwiki.com XCode CLI & Simulator MCP. Progressive disclosure of tool responses reduces context and to | 101 | Claude Code, Codex, OpenCode | 2 | 2,556 tok |
| ingo-eichhorst/Irrlicht Claude Code session lights in your macOS menu bar — 🟣 🟠 🟢 ✦ | 101 | Claude Code, Codex, OpenCode | 19 | 4,154 tok |
| Happenmass/omux Orchestrate AI coding agents (Claude Code, Codex) as parallel subagents over tmux — a loop | 101 | Claude Code, Codex, OpenCode | 10 | 6,065 tok |
| vasilyu1983/AI-Agents-public Production-grade agent skills and Custom GPT prompts for ChatGPT, Claude Code, and Codex. | 101 | Codex, OpenCode | 1 | 443 tok |
| LuD1161/agentjail agentjail.io Policy guardrails for coding agents (Claude Code, Codex, Cursor) — every tool call is chec | 101 | Codex, OpenCode | 1 | 4,812 tok |
| migratorywhale/stackchan-mcp Give your AI a body. MCP bridge for Stack-chan (M5Stack CoreS3) — speak, listen, see, move | 101 | Codex, OpenCode | 1 | 1,939 tok |
| snchimata/tokenfold Private, provider-neutral context compression for LLMs. Reversibly compress schemas and lo | 101 | Codex, OpenCode | 1 | 894 tok |
| fabkury/p3a makapix.club Pixel art player built on ESP32-P4 | 101 | Claude Code, Codex, OpenCode | 2 | 4,553 tok |
| r-lib/log4r log4r.r-lib.org A fast & lightweight approach to logging in R based on the widely-emulated Apache Log4j pr | 101 | Claude Code, Codex, OpenCode | 2 | 1,253 tok |
| WingedGuardian/GENesis-AGI discord.com 'Personal AGI' that thinks on its own. Autonomous cognitive cycle, earned autonomy, 60+ to | 100 | Claude Code, Codex, OpenCode | 53 | 24,446 tok |
| harukiseller-droid/commerce-agent-bench commerce-agent-bench | 100 | Claude Code, Codex, OpenCode | 10 | 493 tok |
| thangnqdev/codex-oss-agent-kit | 100 | Codex, OpenCode | 1 | 541 tok |
| secutils-dev/secutils secutils.dev Secutils.dev is an open-source, versatile, yet simple security toolbox for engineers and r | 100 | Codex, OpenCode | 1 | 952 tok |
| CreamyG31337/chrysalis-ioc-triage | 100 | Codex, OpenCode | 1 | 786 tok |
| pitiflautico/neobrowser pitiflautico.github.io MCP server that drives real Chrome with your real logged-in sessions — genuine fingerprint | 100 | Codex, OpenCode | 1 | 1,759 tok |
| voidhashcom/lensflare lensflare.vercel.app | 100 | Claude Code, Codex, OpenCode | 4 | 241 tok |
| JKorf/Bitfinex.Net cryptoexchange.jkorf.dev C#/.NET client library for the Bitfinex.com cryptocurrency exchange REST and WebSocket API | 100 | Codex, GitHub Copilot, OpenCode | 2 | 2,411 tok |
| antoniolg/agent-kit A collection of skills for AI agents | 100 | Codex, OpenCode | 1 | 674 tok |
| awakenworks/awaken awakenworks.github.io AI agent runtime for Rust — type-safe state, multi-protocol serving, plugin extensibility. | 100 | Claude Code, Codex, OpenCode | 2 | 1,732 tok |
| mgood/tuisage A terminal UI for running mise tasks or other commands supporting the --usage spec. | 100 | Codex, OpenCode | 1 | 1,405 tok |
| joelreymont/pz Minimal pi coding-agent re-implementation in Zig | 100 | Claude Code, Codex, OpenCode | 6 | 1,186 tok |
| TheMattBerman/seo-kit AI agent that finds keywords, writes content, monitors rankings, and self-improves. Two Op | 100 | Codex, OpenCode | 1 | 698 tok |
| roboticforce/sugar roboticforce.io Persistent memory for AI coding agents. Local-first, cross-session context, global knowled | 100 | Codex, OpenCode | 1 | 1,553 tok |
| fr0der1c/tgtldr TL;DR AI summarizer for telegram groups | 100 | Codex, OpenCode | 1 | 1,877 tok |
| thiientv/godmode thiientv.github.io Production-grade Agent Skills for AI coding agents—composable workflows for planning, TDD, | 100 | Codex, OpenCode | 1 | 389 tok |
| cyanheads/clinicaltrialsgov-mcp-server npmjs.com Search ClinicalTrials.gov trials, retrieve study details and results, and match patients t | 100 | Claude Code, Codex, OpenCode | 2 | 17,432 tok |
| dust-tt/srchd Research agents harness | 100 | Codex, OpenCode | 1 | 1,130 tok |
| accessd/tmux-agent-indicator Tmux plugin that gives visual feedback for AI agent states (running/needs-input/done). Sup | 100 | Claude Code, Codex, OpenCode | 2 | 554 tok |
| ndom91/open-plan-annotator Local-first agent plan annotator | 100 | Claude Code, Codex, OpenCode | 2 | 2,425 tok |
| SciMate-AI/HPC-Skills Portable agent skills for High Performance Computing workflows across OpenFOAM, SU2, LS-DY | 100 | Codex, OpenCode | 1 | 202 tok |
| mloda-ai/mloda mloda.ai mloda.ai - Open Data Access for AI and ML. Plugin-based. Traceable. Framework-agnostic. | 100 | Claude Code, Codex, OpenCode | 4 | 3,624 tok |
| jiangkoumo/toolfence Local, fail-closed policy enforcement and human approval for MCP tool calls. | 100 | Codex, OpenCode | 1 | 417 tok |
| nuyoah-ai-works/nuyoah-image-reverse-prompt Nanyuan image reverse-engineering Agent Skill: breaks reference images down into structura | 100 | Codex, OpenCode | 1 | 681 tok |
| mykpono/ultimate-seo-geo lab.mykpono.com The definitive SEO + GEO skill for Claude. Full site audits with scored findings, AI searc | 100 | Codex, GitHub Copilot, Gemini CLI, OpenCode | 3 | 8,683 tok |
| youdotcom-oss/agent-skills You.com skills and plugins for web search, content extraction, research, finance, and inte | 100 | Codex, OpenCode | 1 | 1,085 tok |
| Junliu1066/vibe-coding-kit Not teaching you to code, but helping you fully understand “using AI to code” — a vibe cod | 99 | Claude Code, Codex, OpenCode | 4 | 5,326 tok |
| khanhcamap2020-sudo/formkind Global-readiness toolkit for international forms across HTML, JSX, Vue, Svelte, and CI. | 99 | Codex, OpenCode | 1 | 261 tok |
| phungkaizen/maintainer-autopilot Local-first, resumable AI maintenance pipelines with single-writer safety and deterministi | 99 | Codex, OpenCode | 1 | 320 tok |
| Facets-cloud/flow facets-cloud.github.io Turn isolated Claude sessions into a continuous working relationship | 99 | Claude Code, Codex, OpenCode | 1 | 1,791 tok |
| rogasper/labas-bahasa labas.rogasper.com Labas (Latihan Bahasa) merupakan platform latihan bahasa untuk persiapan IELTS, TOEFL, JLP | 99 | Claude Code, Codex, OpenCode | 7 | 4,862 tok |
| Kevin7Qi/codex-collab Collaborate with Codex from Claude Code | 99 | Claude Code, Codex | 1 | 1,320 tok |
| eLyiN/gemini-bridge A lightweight MCP server bridging AI agents to Google's Gemini AI via official CLI | 99 | Claude Code, Codex, OpenCode | 2 | 4,178 tok |
| Pardesco/hypernovum Agent Ops for your second brain - a 3D IDE for Obsidian built on Three.js. Visualize your | 99 | Codex, OpenCode | 1 | 484 tok |
| openbotx/openbotx openbotx.ai An open-source platform for orchestrating AI agents — secure, simple, and built for everyo | 99 | Codex, OpenCode | 1 | 3,384 tok |
| yavorsky/unbuilt.app unbuilt.app Free and Open Source technology detection tool | 99 | Claude Code, Codex, OpenCode | 3 | 1,097 tok |
| rgarcia/ynab-mcp-server YNAB MCP server with custom skills | 99 | Claude Code, Codex | 1 | — |