23,799 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 agents8,544Claude Code6,892Git and workflow3,622Data and AI3,580Backend and APIs3,558Languages3,492Planning3,321Code review2,907Testing2,690DevOps and cloud2,489Writing and docs2,484Memory and context2,374Research2,321Frontend2,311Security2,178Project management1,971
All Claude Code32,539 Codex24,879 OpenCode23,799 GitHub Copilot3,723 Gemini CLI2,040 Cursor1,772 Windsurf202 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| dawsonlp/BaseMcpServer A minimal containerized base for MCP servers using the MCP Python SDK | 3 | Claude Code, Codex, OpenCode | 2 | 147 tok |
| onesimplecode/agent-engineering-standards This repo hands your AI coding agent a rulebook and your CI the checks that enforce it, ca | 3 | Codex, OpenCode | 1 | 7,802 tok |
| hly-AI/codingplan | 3 | Codex, Cursor, OpenCode | 7 | 777 tok |
| tecton-ai/tecton-mcp This MCP (Model Context Protocol) server provides tools to interact with tecton. | 3 | Claude Code, Codex, OpenCode | 2 | 3,949 tok |
| shijiew/back-to-basics-skills | 3 | Claude Code, Codex, OpenCode | 2 | 100 tok |
| dentiny/kon multi-agent system with kon characters | 3 | Codex, OpenCode | 1 | 766 tok |
| heyAyushh/stacc stacc.fyi A collection of AI agent configurations for coding | 3 | Claude Code, Codex, OpenCode | 2 | 1,071 tok |
| ofabiodev/stfu skills.sh 🦆 forces short, direct AI answers with no filler, context, recap, preamble, or full-file | 3 | Codex, OpenCode | 1 | 149 tok |
| beettlle/pi-spine Orchestration spine for long-running pi development — pi-native batch orchestration with T | 3 | Claude Code, Codex, OpenCode | 8 | 1,464 tok |
| ishandutta2007/Awesome-AI-Job-Hunting AI job application framework built on Claude Code | 3 | Claude Code, Codex, OpenCode | 3 | 2,565 tok |
| nullorder/agenthub agenthub.nullorder.org Community Claude Code plugin marketplace | 3 | Claude Code, Codex, OpenCode | 2 | 1,284 tok |
| oculus-samples/Unity-VirtualCameraPublisher A Sample Project for the Virtual Camera Publisher API in Unity | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 1,080 tok |
| redhat-vmeperf/agent-tasks-template AI/LLM Agent Tasks Template | 3 | Claude Code, Codex, OpenCode | 2 | 334 tok |
| gpambrozio/ClaudeCodePlugins A curated marketplace of Claude Code plugins for various development workflows | 3 | Claude Code, Codex, OpenCode | 2 | 2,313 tok |
| S13G/engineering-standards-plugin Cross-domain software engineering standard principles for AI coding agents (Claude Code, C | 3 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 5 | 3,971 tok |
| gautam-achieveai/ClaudePlugins Custom Claude Code plugins — skills, agents, commands, and MCP integrations for Azure DevO | 3 | Claude Code, Codex, OpenCode | 2 | 2,677 tok |
| benigeri/braintrust-claude-plugin Claude Code plugin for managing Braintrust prompts | 3 | Codex, OpenCode | 1 | 166 tok |
| iamcxa/kc-claude-plugins Claude Code plugin marketplace — curated plugins for browser E2E testing and more | 3 | Claude Code, Codex, OpenCode | 2 | 2,530 tok |
| zackbart/agent-plugins Personal Claude Code plugin marketplace - claude-hud, motif, helm | 3 | Codex, OpenCode | 1 | 672 tok |
| hidetsugu-miya/claude-plugins | 3 | Claude Code, Codex, OpenCode | 6 | 1,318 tok |
| jskswamy/claude-plugins A curated collection of Claude Code plugins focused on developer workflows, code generatio | 3 | Claude Code, Codex, OpenCode | 3 | 2,178 tok |
| artreimus/software-factory-starter Sample software factory repository with agent contracts, specs, plans, skills, MCP policy, | 3 | Codex, OpenCode | 1 | 793 tok |
| loveautomate/ai-qa-agent | 3 | Claude Code, Codex, OpenCode | 2 | 574 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 |
| 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 |
| XelaNull/Claude_Samantha Samantha oversight and system prompt | 3 | Claude Code, Codex, OpenCode | 27 | 2,277 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| oopsyz/mcp | 3 | Claude Code, Codex, OpenCode | 2 | 1,027 tok |
| lukleh/mcp-read-only-grafana MCP server for read-only access to Grafana instances | 3 | Codex, OpenCode | 1 | 3,269 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 |
| 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 |
| rwx-cloud/skills | 3 | Codex, GitHub Copilot, OpenCode | 2 | 613 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 |
| MaterializeInc/agent-skills Materialize agent skills | 3 | Claude Code, Codex, OpenCode | 4 | 2,500 tok |