45,030 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 agents8,564Claude Code6,906Git and workflow3,633Data and AI3,578Backend and APIs3,558Languages3,494Planning3,322Code review2,906Testing2,695DevOps and cloud2,496Writing and docs2,489Memory and context2,375Research2,320Frontend2,312Security2,181Project management1,980
All Claude Code32,552 Codex24,920 OpenCode23,840 GitHub Copilot3,723 Gemini CLI2,039 Cursor1,771 Windsurf202 Kiro117
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| kelsocelso/cortex A cortex for your AI — memory, routing, and planning so it doesn't start every session fro | 3 | Claude Code | 1 | 1,012 tok |
| ypolon7kiy/akashi VS Code Extension For LLMs related files. | 3 | Claude Code, Codex, OpenCode | 7 | 1,034 tok |
| wingify/wingify-fme-mcp developers.vwo.com MCP Server for Feature Management & Experimentation | 3 | Codex, OpenCode | 1 | 1,451 tok |
| wri/wri-design-systems wri.github.io WRI UI Library | 3 | Claude Code | 3 | — |
| Glavin001/vibe-land-old A lightweight 3D web-based multiplayer starter kit using Three.js, React, and SpacetimeDB. | 3 | Claude Code, Codex, OpenCode | 2 | 1,756 tok |
| Ming-321/cursor-better-feedback | 3 | Codex, OpenCode | 1 | 312 tok |
| WenBin6/thesis-md-word-workflow A standard SOP skill for quickly drafting papers with AI tools, which can be combined with | 3 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 5 | 1,153 tok |
| TypeFox/Coding.Waterkant.2025 Project for Coding.Waterkant 2025 | 3 | GitHub Copilot | 1 | 1,514 tok |
| rileyhilliard/agentrc Write your agent rules once | 3 | Claude Code | 1 | — |
| XelaNull/Claude_Samantha Samantha oversight and system prompt | 3 | Claude Code, Codex, OpenCode | 27 | 2,277 tok |
| RajanChavada/Rosetta CLI tool that scaffolds and syncs agentic AI rules/skills across distinct and fragmented I | 3 | Claude Code, GitHub Copilot, Cursor | 3 | 1,849 tok |
| erionrb/agent-sdd-kit Spec-driven AI practice workspace: OpenSpec SDD workflow, mirrored Claude/Cursor skills, a | 3 | Claude Code, Cursor | 13 | 691 tok |
| jamestorrevillas/dev-skills A modular AI skill library for software engineers. 37 SKILL.md files covering technical, s | 3 | GitHub Copilot | 1 | 1,484 tok |
| matiaszaldarriaga/ai-workspace-framework-core Another attempt that lives inside projects | 3 | Claude Code, Cursor | 29 | 183 tok |
| edenbuilds/arya-ai Indian-law plugin for advocates: Bombay High Court and Maharashtra tribunal drafting, NCLT | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 540 tok |
| percona/percona-messaging | 3 | Claude Code, Codex, OpenCode | 2 | 143 tok |
| vguleaev/cursor-todo-prompt-kit Simple Cursor prompt library to manage agent memory TODO.md file | 3 | Claude Code, Cursor | 4 | — |
| punkadillo/figma-code-composer punkadillo.github.io A simple orchestration for developing figma design to frontend components | 3 | Claude Code, Codex, OpenCode | 26 | 1,633 tok |
| kkanakas/AI-Prompts-for-Product-Management Prompt templates for Product Managers to use with AI | 3 | Claude Code | 1 | — |
| stefanrows/claude-code-plugins Claude Code plugin marketplace by Stefan Rows (skills, agents, commands, hooks) | 3 | Claude Code, Codex, OpenCode | 2 | 313 tok |
| seeker71/Coherence-Network coherencycoin.com Open intelligence platform that traces every idea from inception to payout — with fair att | 3 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 16 | 10,411 tok |
| SecondLifes/delphi-expert An opinionated ecosystem of rules, skills and steerings to elevate Delphi development to s | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 11,182 tok |
| OthmanAdi/chronos aware-bloom-szmt.here.now Time awareness for AI coding agents. Hook-backed ledger, 7 decision rules, 8 platforms. Fi | 3 | Codex, OpenCode | 1 | 762 tok |
| humzakt/dev-starter-kit Production-ready starter repository with CI/CD workflows, issue templates, incident runboo | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,704 tok |
| WyvernCW/Monich | 3 | Claude Code, Codex, OpenCode | 2 | 1,438 tok |
| december21deng/lark-claude-plugins | 3 | Claude Code | 1 | 1,550 tok |
| sarkarsaurabh27/agent-loop-learning Reference library and skill toolkit for auditing, reviewing, and improving LLM-based agent | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 2,833 tok |
| scut-jol/pocket-agent A lightweight, highly flexible Agent framework. | 3 | Claude Code | 1 | 470 tok |
| gleanwork/configure-mcp-server MCP server configurator CLI for Glean | 3 | Claude Code | 1 | 1,956 tok |
| Kasava-AI/demokit DemoKit is an open-source SDK that lets SaaS companies create interactive product demos by | 3 | Claude Code | 1 | 2,013 tok |
| ai-ledger/ai-ledger Git-native, append-only governance for AI-assisted software development. | 3 | Codex, OpenCode | 1 | 402 tok |
| dryvist/claude-code-plugins My custom claude code (hopefully agentsmd soon) plugins for when I've scoured the interweb | 3 | Claude Code, Codex, OpenCode | 2 | 1,574 tok |
| brunobrown/claude-flet-plugin A Claude Code plugin that provides expert knowledge for building Python apps and extension | 3 | Claude Code, Codex, OpenCode | 7 | 415 tok |
| SJTU-YONGFU-RESEARCH-GRP/open-verilog-workbench This directory configures how issues, instructions, and AI assistants (Copilot/agents) beh | 3 | GitHub Copilot | 1 | 1,908 tok |
| hyperpolymath/boj-server hyperpolymath.github.io One MCP stdio endpoint for a whole toolchain — GitHub, GitLab, cloud, mail, browser and re | 3 | GitHub Copilot | 1 | 510 tok |
| oopsyz/mcp | 3 | Claude Code, Codex, OpenCode | 2 | 1,027 tok |
| maxmash1/dotnet-react-starter-demo A .NET 8 + React 18 template app pre-configured with GitHub Copilot customizations (agents | 3 | GitHub Copilot | 1 | 3,962 tok |
| karellen/karellen-rr-mcp MCP server for rr reverse debugging — enables AI assistants to record, replay, and inspect | 3 | Claude Code | 1 | 1,189 tok |
| lukleh/mcp-read-only-grafana MCP server for read-only access to Grafana instances | 3 | Codex, OpenCode | 1 | 3,269 tok |
| abhishekrai43/VulScan-MCP marketplace.visualstudio.com Security vulnerability scanner for VS Code. Scans dependencies for CVEs from NVD/OSV datab | 3 | GitHub Copilot | 1 | 833 tok |
| cyanheads/docwriter-mcp-server A Model Context Protocol (MCP) server for programmatic creation, modification, and compila | 3 | Claude Code | 1 | 1,933 tok |
| nam20485/agent-instructions Custom instructions "pseudocode scripting" framework used by GitHub Copilot, Gemini Code A | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,883 tok |
| trsdn/github-copilot-agent Blueprint repo to build Copilot instruction prompts and custom agents using GitHub Copilot | 3 | GitHub Copilot | 1 | 590 tok |
| solutionforest/neo-skill AI coding assistant instructions for Neo CLI — works with Claude Code, GitHub Copilot, Cur | 3 | Codex, Cursor, OpenCode, Windsurf | 3 | 25,658 tok |
| xtone/ai_development_tools | 3 | Claude Code | 1 | — |
| rwx-cloud/skills | 3 | Codex, GitHub Copilot, OpenCode | 2 | 613 tok |
| nagelflorian/trainingpeaks-mcp-server An MCP (Model Context Protocol) server that connects Claude (or any MCP-compatible AI) to | 3 | Claude Code | 1 | 5,961 tok |
| nemesiscodex/pulse-tm (WIP) Pulse is a simple terminal-based task manager as a CLI, a TUI, and an MCP server to | 3 | Codex, OpenCode | 1 | 346 tok |
| AndyLiner13/ts-mcp-server TypeScript MCP server for AI-powered refactoring. Rename symbols, extract functions, move | 3 | Codex, OpenCode | 1 | 2,974 tok |
| xbklairith/kisune Kisune is my personal Claude plugins, a refined suite of abilities elevating Claude into a | 3 | Claude Code | 1 | 4,807 tok |