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 |
|---|---|---|---|---|
| weteach-app/copilot Example of instructions and agents that can be used with GitHub Copilot | 3 | Claude Code, Codex, GitHub Copilot | 14 | 15,227 tok |
| CraigWhite81/copilot-studio-skills Use the ROCKET framework skill to improve Copilot Studio agent instructions | 3 | Claude Code, Codex | 1 | — |
| 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 | 2,492 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 | 9,680 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 |
| akiojin/playfab-mcp-server PlayFab MCP server with CI/CD and release-please | 3 | Claude Code, Codex, OpenCode | 17 | 2,878 tok |
| vuhai2002/ai-slides-mcp | 3 | Claude Code, Codex, OpenCode | 2 | 2,407 tok |
| ryanyogan/fizzy-do-mcp fizzy.yogan.dev MCP server for Fizzy, the 37signals kanban tool: 67 tools covering boards, cards, comments | 3 | Codex, OpenCode | 1 | 960 tok |
| HelloWorld-Open/word-mcp-server MCP server for Microsoft Word document manipulation via COM automation (Node.js/TypeScript | 3 | Codex, OpenCode | 1 | 597 tok |
| jvm/usql-mcp usql MCP Server | 3 | Claude Code, Codex, OpenCode | 2 | 5,703 tok |
| ssdeanx/ssd-ai MCP server | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 24 | 19,124 tok |
| ThreeFish-AI/negentropy-perceives The Perception Engine for AI Agents. Distilling web pages and PDFs into clean Markdown nec | 3 | Claude Code, Codex, OpenCode | 2 | 2,299 tok |
| NoEdgeAI/doc2x-mcp doc2x-mcp | 3 | Codex, OpenCode | 1 | 934 tok |
| aplaceforallmystuff/mcp-wp-abilities MCP server for WordPress 6.9+ Abilities API - dynamically exposes WordPress abilities as A | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 323 tok |
| danielsimonjr/fzf-mcp MCP server for fzf fuzzy finder - enables fuzzy file search, list filtering, and content s | 3 | Codex, OpenCode | 1 | 953 tok |
| howmanysmall/npm-registry-mcp NPM Registry MCP | 3 | Claude Code, Codex, OpenCode | 4 | 479 tok |
| aplaceforallmystuff/mcp-wisdom Philosophy-grounded thinking frameworks for Claude - an MCP server providing Stoic, Cognit | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 446 tok |