44,969 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 |
|---|---|---|---|---|
| Gaurav-Gosain/golars golars.gaurav.zip Pure-Go DataFrames modeled on polars, built on Apache Arrow. No cgo. | 25 | Claude Code, Codex, OpenCode | 2 | 2,410 tok |
| claude-code-expert/example Collection of Claude Code configuration and Markdown examples | 25 | Claude Code | 6 | — |
| jcmrs/claude-visual-style-guide jcmrs.github.io Personal Visual Style Guide for Claude Artifacts & Applications | 25 | Claude Code | 1 | 2,595 tok |
| marjoballabani/hypergrep A better grep for AI agents. Structural search, call graphs, impact analysis, semantic com | 25 | GitHub Copilot | 1 | 414 tok |
| Adelie-Squad/solosquad AI agent system designed to help solo founders build and ship products efficiently | 25 | Claude Code, Codex, OpenCode | 8 | 5,078 tok |
| Xsxdot/handoff handoff.gosuper.dev Delegate implementation plans to another AI for execution while you only review — a pure C | 25 | Claude Code | 2 | — |
| aldegad/safedeps npmjs.com Dependency safety gate for Claude Code & Codex CLI — OSV pre-approval, npm lockfile-closur | 25 | Claude Code, Codex, OpenCode | 2 | 5,047 tok |
| akanthed/SecureAI-Scan npmjs.com Find AI/LLM security vulnerabilities in your code before attackers do — covers prompt inje | 25 | Claude Code | 1 | 5,083 tok |
| Abel-ai-lab/predict-anything predict.abel.ai Quant AI and trading AI skills for quant agents and AI trading agents: causal market analy | 25 | Codex, OpenCode | 1 | 310 tok |
| sandraschi/ocr-mcp FastMCP server providing advanced OCR capabilities with current state-of-the-art models (D | 25 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 8 | 822 tok |
| mirkobozzetto/espresso Lightweight, evidence-preserving coding workflows for Claude Code, Codex, OMP and Pi. | 25 | Codex, OpenCode | 1 | 1,022 tok |
| cloudrepo-io/founder-os Run your company with an AI team. No complex tooling—just markdown files and Claude. | 25 | Claude Code | 11 | 2,991 tok |
| lizhiyao/oh-my-knowledge oh-my-knowledge.pages.dev OMK helps people and agents build, maintain, and reuse valuable knowledge from real work a | 25 | Claude Code, Codex, OpenCode | 3 | 3,544 tok |
| a-lottes/aSPARK aspark.lottes.dev A gated agile delivery process for Claude Code: an AI product team (PO, Designer, EM, Revi | 25 | Claude Code | 1 | 2,353 tok |
| yoanbernabeu/producthunt-skills 🚀 31 AI Agent Skills for Product Hunt launches. Expert guidance for strategy, content, ma | 25 | Codex, OpenCode | 1 | 812 tok |
| nickkraakman/skidl-skills Agentic KiCad PCB design workflow for SKiDL — architect, source, code, and verify circuits | 25 | Claude Code | 1 | 228 tok |
| Echoer009/Nion AI companion + task manager · nags you so you don't forget | 25 | Codex, OpenCode | 2 | 2,468 tok |
| vimalk78/dictate Talk to Claude Code instead of typing — on Linux. Local voice-to-text using Whisper, no cl | 25 | Claude Code | 1 | 2,317 tok |
| pablostanley/efecto-plugin efecto.app AI design skills + 46 MCP tools for Claude Code, Cursor, Windsurf, Copilot, and any AI age | 25 | Codex, OpenCode | 1 | 606 tok |
| delphicleancode/lazarus-spec-kit inovefast.com.br Um ecossistema opinativo de regras, skills e steerings para elevar o desenvolvimento FreeP | 25 | Claude Code, Codex, GitHub Copilot, OpenCode | 20 | 6,135 tok |
| aveproject/ave aveproject.org AVE - Agentic Vulnerability Enumeration. The open behavioral classification standard for a | 25 | Claude Code | 14 | 2,048 tok |
| nocentino/sql-mcp-server nocentino.com SQL Server MCP demo - two MCP server patterns on SQL Server 2025: Data API Builder for CRU | 25 | GitHub Copilot | 1 | 639 tok |
| eoinjordan/gb-studio-agent npmjs.com Claude or other MCP Agentic integration for GB Studio Automated game asset creation and pr | 25 | GitHub Copilot | 1 | 1,116 tok |
| rbrands/intervals-icu-sync Connect any GenAI tool to your intervals.icu data — includes MCP server, Python scripts, s | 25 | GitHub Copilot | 7 | 5,081 tok |
| GabrielOnDelphi/Claude-Tools-for-Delphi Skills, agents, settings, md files for Claude Code for Delphi programmers | 25 | Claude Code | 45 | — |
| nikships/skills-registry skills-registry.dev Your personal GitHub registry for AI Agent Skills. One repo. EVERY agent. EVERY device. Lo | 25 | Claude Code, Codex, OpenCode | 2 | 659 tok |
| sourknives/sleeper-mcp-server | 25 | Claude Code | 1 | 110 tok |
| wenhanweime/herdr-plugin-renamer LLM-powered session naming for herdr: Claude Code / Codex / Grok / Pi / opencode, Chinese | 25 | Claude Code, Codex, OpenCode | 2 | 3,323 tok |
| wonsukchoi/domain-experts domainexperts.dev all human experts into AI agents | 25 | Claude Code, Codex, OpenCode | 2 | 2,786 tok |
| PIsberg/vibetags VibeTags is a Java annotation processor that acts as AI guardrails for code generation too | 25 | Claude Code, Codex, Gemini CLI, OpenCode | 33 | 8,404 tok |
| yangsijie666/xiaohongshu-crawler Xiaohongshu data collection tool — a Playwright-based stealth crawler supporting search, p | 25 | Claude Code | 1 | 1,412 tok |
| agentic-hil/agentic-hil agentic-hil.github.io Let your coding agent develop firmware on the real board, with the hardware as the gate. | 25 | Claude Code, Codex, OpenCode | 2 | 5,849 tok |
| ra100/blender-claude-plugin Plugin for blender to be used in coding agents as claude, opencode, kilocode, ... | 25 | Codex, OpenCode | 1 | 1,060 tok |
| cajasmota/grafel Multi-repo code knowledge graphs for AI agents. Cross-repo linking, infrastructure topolog | 25 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 6,537 tok |
| mahirozdin/alliswell Open-source, self-hosted productivity hub: tasks, projects, notes, urgent reminders and tw | 25 | Claude Code, Codex, OpenCode | 9 | 2,069 tok |
| 5throck/ai-workspace-standards Master configuration for Vibe Coding and Harness Engineering — workspace standards for Cla | 25 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 73 | 22,740 tok |
| nightona-co/nightona Open-source continuation of Daytona — secure, elastic sandbox infrastructure for AI code e | 25 | Claude Code, Codex, OpenCode | 3 | 2,995 tok |
| mike007jd/game-superpowers Skills-first game development superpowers for Claude Code and Codex: build, audit, polish, | 25 | Codex, OpenCode | 1 | 96 tok |
| zach-blumenfeld/knowledge-index The Graph Search Engine for Your Knowledge Base | 25 | Claude Code, Codex, OpenCode | 2 | 4,035 tok |
| 99apps-id/termigo Termigo is a lightweight open-source, terminal-first AI-native development environment (AD | 25 | Claude Code, Codex, OpenCode | 2 | 541 tok |
| matrodrigs/shotcut-mcp matrodrigs.github.io Transactional MCP server for creating, editing, validating, previewing, and rendering Shot | 25 | Codex, OpenCode | 1 | 2,191 tok |
| bakabaka91/claude-baton npmjs.com Never lose context between Claude Code sessions again. Auto-checkpoint, resume, EOD summar | 25 | Claude Code | 13 | 1,051 tok |
| matteocervelli/llms Centralized LLM configuration and documentation management system. Tools for building skil | 25 | Claude Code | 39 | 347 tok |
| atopile/cell-sim | 25 | Claude Code, GitHub Copilot | 2 | 10,286 tok |
| j5ik2o/event-store-adapter-js This library is designed to turn DynamoDB into an Event Store for Event Sourcing. | 25 | Claude Code, Codex, Gemini CLI, OpenCode | 41 | 552 tok |
| wrg32786/aigent-os tools.theaigent.xyz Claude Code harness and alternative to context compaction: at 80% context it writes a veri | 25 | Claude Code | 1 | 4,294 tok |
| narosemena/master-instructional-design A Claude skill embodying a 30-year veteran ID practitioner — 15 engagement modes, 31 refer | 25 | Claude Code, Gemini CLI | 6 | 2,406 tok |
| KeeperHub/keeperhub keeperhub.com Automate on-chain events and actions reliably and securely. Build Workflows in minutes wit | 25 | Claude Code, Codex, OpenCode | 37 | 8,574 tok |
| turtton/YtAlarm A simple alarm application using ytdl-android | 25 | Claude Code, Codex, OpenCode | 4 | 2,273 tok |
| Insight-Services-APAC/ingenious blog.insight-services-apac.dev General-purpose Gen AI Accelerator developed for Insight APAC projects | 25 | Claude Code, Codex, GitHub Copilot, OpenCode | 41 | 3,172 tok |