24,815 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 |
|---|---|---|---|---|
| mehdiforoozandeh/crux mehdiforoozandeh.github.io A scientific-method lab notebook your AI agent drives — research as a tree of questions an | 17 | Claude Code, Codex, OpenCode | 1 | 610 tok |
| Indium-AI-Labs/indium-agentkit indium-agentkit is a distribution scaffold for sharing AI coding-agent skills, subagents, | 17 | Codex, GitHub Copilot, OpenCode, Windsurf | 3 | 11,470 tok |
| vladm3105/aidoc-flow-framework | 17 | Claude Code, Codex, OpenCode | 15 | 5,602 tok |
| marclove/typeforge Basic TypeScript Node.js repository scaffold (no frameworks) with fantastic DX out-of-the- | 17 | Claude Code, Codex, OpenCode | 3 | 1,663 tok |
| datarobot-oss/datarobot-genai genai.datarobot.com Repository for datarobot-genai library | 17 | Claude Code, Codex, Cursor, OpenCode | 3 | 260 tok |
| cobbler/cobbler-web cobbler.github.io Our new seperate Angular based web interface for Cobbler | 17 | Claude Code, Codex, OpenCode | 2 | 2,173 tok |
| ActiveInferenceInstitute/GEO-INFER GEO-INFER — a 44-module geospatial inference monorepo from the Active Inference Institute. | 17 | Claude Code, Codex, OpenCode | 2 | 4,424 tok |
| Trustless-Work/trustlesswork-backoffice dapp.trustlesswork.com Backoffice for smart escrows | 17 | Claude Code, Codex | 15 | — |
| Veblin/invest-skills A-stock research assistant, for learning purposes only and not for use as a basis for deci | 17 | Claude Code, Codex, OpenCode | 2 | 5,204 tok |
| wordbricks/onequery onequery.dev One interface for your whole data stack, with built-in safeguards and a simpler workflow f | 17 | Claude Code, Codex, OpenCode | 21 | 354 tok |
| developerz-ai/open-mmorpg The best open-core MMORPG engine — Rust server + client, Bun/SolidJS operator web. Origina | 17 | Claude Code, Codex, OpenCode | 11 | 2,030 tok |
| painted-porch/marcus marcus-ai.dev | 17 | Claude Code, Codex | 4 | 5,698 tok |
| Merck/ReactiveDynamics.jl merck.github.io A timed, stochastic, resource-constrained Petri net / discrete-event engine for modeling b | 17 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 4,712 tok |
| stackhawk/agent-skills docs.stackhawk.com Security testing skills for AI coding agents. Find and fix exploitable vulnerabilities wit | 16 | Claude Code, Codex, OpenCode | 2 | 2,352 tok |
| 6ixGODD/mine Document-driven software engineering for coding agents, with Git worktrees, execution grap | 16 | Codex, OpenCode | 1 | 2,222 tok |
| playbookscom/playbooks-cli Add skills, MCPs, and context to your agents to make them smarter. | 16 | Codex, OpenCode | 1 | 1,510 tok |
| eat-pray-ai/wingman Showcase your AI pair usage — SVG cards, resumes, and more. | 16 | Codex, OpenCode | 1 | 422 tok |
| thoreinstein/aix thoreinstein.github.io A unified CLI for managing AI coding assistant configurations across platforms. | 16 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 3 | 4,455 tok |
| ranjanrishikesh/taketomarket npmjs.com Marketing OS for developerneurs + solopreneurs (engineers shipping products with zero mark | 16 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 7,146 tok |
| ssssota/chapplin chapplin.vercel.app chapplin is a MCP Apps and ChatGPT Apps framework. | 16 | Codex, OpenCode | 1 | 803 tok |
| authprobe/authprobe authprobe.com authprobe pinpoints MCP OAuth failures | 16 | Codex, OpenCode | 1 | 1,121 tok |
| CarlDog/openchronicle-mcp Memory database for LLM agents — persistent keyword + optional semantic memory, project na | 16 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 22,690 tok |
| isaacsight/kernel kernel.chat Three packages: @kernel.chat/agent-os (POSIX for AI agents — capabilities, namespaces, quo | 16 | Claude Code, Codex, OpenCode | 2 | 1,709 tok |
| atman-33/kiro-for-codex-ide marketplace.visualstudio.com VS Code extension for spec-driven development with Codex CLI, leveraging OpenAI’s Codex VS | 16 | Codex, OpenCode | 5 | 863 tok |
| sonisoft-cnanda/now-sdk-ext-mcp MCP server for ServiceNow — enables AI assistants (Claude, etc.) to execute scripts, query | 16 | Claude Code, Codex, OpenCode | 2 | 3,479 tok |
| oodaris/autocodex autocodex orchestrates a structured loop: ideate → plan → implement → review → test | 16 | Codex, OpenCode | 1 | 821 tok |
| kaustubhhiware/agent-skills-fullstack-development How to use agent skills for fullstack development: design, planning, development | 16 | Claude Code, Codex, OpenCode | 2 | 142 tok |
| bekirdag/docdex A document index with MCP, http and client support. https://docdex.org/ | 16 | Codex, OpenCode | 1 | 9,725 tok |
| phazonoverload/devadvokit devadvokit.com Agent Skills for Developer Advocates | 16 | Codex, OpenCode | 1 | 1,082 tok |
| zeke/preview-deployments-skill agentskills.io An agent skill to add preview deployments to your Cloudflare apps using GitHub Actions wor | 16 | Codex, OpenCode | 1 | 253 tok |
| vshrinath/virtual-product-factory Collection of AI agent skills focussed on agentic product engineering | 16 | Codex, OpenCode | 1 | 4,653 tok |
| Sperax/sperax-crypto-mcp MCP server and plugin for Sperax Protocol – USDs, SPA, veSPA & Demeter on Arbitrum and BNB | 16 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 755 tok |
| gensyn-ai/gensyn-delphi-skills Skills for agents to view markets and place trades on Gensyn's Delphi prediction markets | 16 | Claude Code, Codex, OpenCode | 2 | 6 tok |
| profclaw/profclaw profclaw.ai AI agent engine with 22 chat channels, 65 tools, and 15 skills. Self-hosted, local-first, | 16 | Codex, Cursor, OpenCode, Windsurf | 3 | 2,679 tok |
| boyand/codex-review Claude Code plugin for multi-round Codex reviews of plans and implementations. | 16 | Claude Code, Codex, OpenCode | 2 | 1,037 tok |
| renatobardi/hapai renatobardi.github.io Deterministic guardrails for AI coding assistants. Enforce rules via Bash hooks before exe | 16 | Claude Code, Codex, OpenCode | 2 | 13,646 tok |
| GuiminChen/crate CRATE (Compile Raw Archives, Tracked in the vault, into Encyclopedic wiki) | 16 | Codex, Cursor, OpenCode | 2 | 708 tok |
| LuChangQiu/lrnev-govern npmjs.com Project governance engine for AI-assisted development. Available as both an MCP service an | 16 | Codex, OpenCode | 1 | 762 tok |
| epicsagas/alcove epicsagas.github.io Alcove is an MCP server that gives AI coding agents on-demand access to your private proje | 16 | Codex, OpenCode | 1 | 2,321 tok |
| HolobiomicsLab/asb-skill-collections holobiomicslab.github.io Evidence-grounded skills and software-tool records for scientific AI agents, distilled fro | 16 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,969 tok |
| alexei-led/coding-posture A single SKILL.md skill giving coding agents task-aware working modes (debug, fix, review, | 16 | Codex, OpenCode | 1 | 241 tok |
| microsoft/azure-ai-search-foundry-iq-live-knowledge-sources microsoft.github.io Reusable accelerator for Foundry IQ live grounding with Fabric Ontology and MCP Server Kno | 16 | Codex, OpenCode | 1 | 2,138 tok |
| PCIRCLE-AI/memesh pcircle.com local collaboration layer for AI coding agents | 16 | Claude Code, Codex, OpenCode | 2 | 7,477 tok |
| najaeda/naja-scope pypi.org MCP server for AI agents to explore SystemVerilog/Verilog netlists: trace connectivity, wa | 16 | Claude Code, Codex, OpenCode | 2 | 806 tok |
| grahambrooks/symgraph Semantic code intelligence MCP server - build knowledge graphs of codebases to enhance AI- | 16 | Claude Code, Codex, OpenCode | 3 | 1,521 tok |
| zauberzeug/nicegui-template A copier template for a basic NiceGUI project | 16 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 48 tok |
| regexp-lin/llm-wiki-agent AI-powered wiki agent that ingests source documents, extracts knowledge, and builds a pers | 16 | Claude Code, Codex, Gemini CLI, OpenCode | 12 | 2,632 tok |
| hletrd/kiwi-paper 🥝 Turns dense academic papers or API documentation into Baidu Baike-style articles. Suppo | 16 | Codex, Gemini CLI, OpenCode | 2 | 2,585 tok |
| HendryAvila/Hoofy hendrycode.xyz Hoofy — AI development companion MCP server. Persistent memory, spec-driven development, a | 16 | Codex, OpenCode | 1 | 2,790 tok |
| Knuckles-Team/vector-mcp Vector MCP Server for AI Agents - Supports ChromaDB, Couchbase, MongoDB, Qdrant, and PGVec | 16 | Claude Code, Codex, OpenCode | 2 | 3,464 tok |