22,145 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 agents7,571Claude Code6,627Data and AI3,684Backend and APIs3,492Languages3,401Planning3,221Git and workflow3,179Code review2,740Testing2,368Memory and context2,365Writing and docs2,309DevOps and cloud2,308Research2,298Frontend2,256Security2,015Productivity1,715
All Claude Code31,984 Codex23,196 OpenCode22,145 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,736 Windsurf133 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| ghoulr/bun-doc-mcp A MCP server that provides bun documents as resources for your AI coding assistant. | 10 | Claude Code, Codex, OpenCode | 2 | 651 tok |
| RocketPy-Team/Infinity-API api.rocketpy.org Infinity-API is a RESTful Open API and MCP server for RocketPy | 10 | Codex, OpenCode | 1 | 647 tok |
| ewhauser/bazel-mcp MCP server for Bazel focused on token reduction | 10 | Claude Code, Codex, OpenCode | 2 | 354 tok |
| tcsenpai/claudeconfigurator Minimal desktop GUI to configure Claude Code (~/.claude): edit CLAUDE.md, skills, commands | 10 | Codex, OpenCode | 1 | 2,488 tok |
| dmquant/institute-one Single-node AI research institute: one Python process, one SQLite file, one Obsidian vault | 10 | Claude Code, Codex, OpenCode | 2 | 3,078 tok |
| sxzz/stackblitz-mcp stackblitz-mcp.sxzz.dev MCP server for reading files from StackBlitz projects | 10 | Claude Code, Codex, OpenCode | 2 | 575 tok |
| ReyNeill/Kontxt Codebase indexing MCP server | 10 | Claude Code, Codex, OpenCode | 2 | 805 tok |
| konflux-ci/konflux-devlake-mcp MCP server that bridges AI assistants with DevLake databases for natural language data que | 10 | Claude Code, Codex, Cursor, OpenCode | 3 | 3,649 tok |
| RohiRIK/claude-code-config Personal Claude Code global config — hooks, agents, skills, commands | 10 | Claude Code, Codex, OpenCode | 2 | 3,024 tok |
| TaoELi/MaxwellLink maxwelllink.org A flexible framework for self-consistent EM-molecular simulations, powered by AI agent ski | 10 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 755 tok |
| creght-dev/skills creght.cn Codex and agent skills for Cregh. | 10 | Codex, OpenCode | 1 | 846 tok |
| wycats/vscode-ai-plugin Personal agent toolkit: workflow agents, skills, stances, and prompts for VS Code Copilot | 10 | Codex, OpenCode | 1 | 222 tok |
| yorrick/agent-skills Claude Code plugins for automated development workflows — dev-loop, review automation, and | 10 | Claude Code, Codex, OpenCode | 9 | 1,376 tok |
| zzzlxhhh/obsidian-paper-curator obsidian-paper-curator is an LLM-powered paper reading and knowledge base management tool | 10 | Claude Code, Codex, OpenCode | 4 | 1,304 tok |
| xun082/openclaw-manager A modern, elegant web UI for managing OpenClaw agents, skills, and configurations. | 10 | Codex, Cursor, OpenCode | 2 | 349 tok |
| JordanGunn/asi Agent Skills Interface (ASI): a normative specification and manifesto for governing agent | 10 | Codex, OpenCode | 1 | 125 tok |
| tc9011/skills-manager A CLI companion to vercel-labs/skills — push your ~/.agents/ directory to a remote repo, p | 10 | Codex, OpenCode | 1 | 1,956 tok |
| whit3rabbit/clean-room-skill A skill for claude/codex to take source code and implement a clean-room of agents to gener | 10 | Claude Code, Codex, OpenCode | 2 | 4,734 tok |
| normful/picadillo Personal pi coding agent commands, skills, extensions | 10 | Codex, OpenCode | 1 | 211 tok |
| sandsower/beislid Opinionated, agent-agnostic workflow skills. Hard gates, not suggestions. | 10 | Codex, OpenCode | 1 | 149 tok |
| pasunboneleve/oiticica-style A century-old style manual, converted into a taxonomy of agentic writing skills. | 10 | Claude Code, Codex, OpenCode | 5 | 800 tok |
| holsee/conjure An Elixir library for leveraging Anthropic Agent Skills in elixir with a configurable skil | 10 | Codex, OpenCode | 1 | 2,530 tok |
| kesslerio/coding-agent-openclaw-skill Coding agent skill for Moltbot - orchestrates Codex, Claude Code, Gemini, Pi, and OpenCode | 10 | Claude Code, Codex, OpenCode | 2 | 1,473 tok |
| NVIDIA/digital-health-skills NVIDIA Digital Health skills repo for agent-guided healthcare AI workflows, including eval | 10 | Codex, OpenCode | 1 | 1,259 tok |
| SSBun/csl-agent-kit Personal agent toolkit spanning skills, plugins, commands, hooks, and Pi extensions. | 10 | Codex, OpenCode | 1 | 295 tok |
| st-VALVe/mcp-unity Model Context Protocol (MCP) plugin to connect with Unity Editor — designed for Cursor, Cl | 10 | Claude Code, Codex, OpenCode | 2 | 4,404 tok |
| hodgesmr/temporal-awareness A Claude Code Agent Skill for temporal awareness via the date command | 10 | Claude Code, Codex, OpenCode | 2 | 453 tok |
| catoncat/xsearch One-shot structured search CLI and Agent Skill for OpenAI-compatible Grok model endpoints | 10 | Codex, OpenCode | 1 | 270 tok |
| spreedly/spreedly-mcp A Model Context Protocol (MCP) server that provides AI assistants with direct access to th | 10 | Codex, OpenCode | 1 | 2,225 tok |
| agentcathq/agentcat-go-sdk AgentCat is an analytics platform for MCP server owners 🐱 | 10 | Claude Code, Codex, OpenCode | 2 | 4,094 tok |
| hypen-code/mcp-code-execution MCE (MCP Code Execution) is a production-grade MCP server that transforms Swagger/OpenAPI | 10 | Codex, OpenCode | 1 | 6,710 tok |
| missdeer/gemini-mcp-rs Gemini-MCP-rs is an MCP server that encapsulates Google's Gemini CLI tool into a standard | 10 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 7,315 tok |
| xiaolai/eou-foundry Recursive governance for Executable Operating Units (EOUs). Faceted classification, genera | 10 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,747 tok |
| regenrek/oplink-mcp oplink.instructa.ai easy workflows for mcp tools | 10 | Claude Code, Codex, Cursor, OpenCode | 12 | 29 tok |
| QuangThai/vision-bridge-mcp | 10 | Codex, OpenCode | 1 | 818 tok |
| antdv-next/skills Antdv Next Vue 3 component library skills. | 10 | Codex, OpenCode | 1 | 609 tok |
| gwas-catalog/mcp ebi.ac.uk GWAS Catalog Model Context Protocol server, supporting natural language queries of associa | 10 | Codex, OpenCode | 1 | 366 tok |
| Aeven-AI/mcp-nanobanana mcp for nano banana using openrouter.ai | 10 | Codex, Gemini CLI, OpenCode | 2 | 2,076 tok |
| femto/mcp-chrome mcp-chrome | 10 | Claude Code, Codex, OpenCode | 8 | 250 tok |
| jeweis/mcpcat mcp | 10 | Claude Code, Codex, OpenCode | 2 | 2,012 tok |
| arkangelai/second-brain second-brain-web-ashen.vercel.app Local-first, AI-native knowledge management system. Markdown + QMD hybrid search + Obsidia | 10 | Codex, OpenCode | 1 | 170 tok |
| spxrogers/agentsync agentsync.cc Sync AI coding-agent configs (Claude Code, OpenCode, Codex, and more) from one canonical, | 10 | Claude Code, Codex, OpenCode | 3 | 12,439 tok |
| joshLong145/ambits visualize, and report code coverage within llm sessions | 10 | Codex, OpenCode | 1 | 1,234 tok |
| tonydzi/claude-bible tonydzi.github.io Make Claude Code behave consistently across repos, sessions and humans: rules-as-files gov | 10 | Codex, OpenCode | 1 | 864 tok |
| Rul1an/assay getassay.dev Open evidence profile for MCP tool actions. Enforce configured tool-call policies and reco | 10 | Claude Code, Codex, OpenCode | 3 | 7,506 tok |
| workingclass-ai/workingclass AI tools on the side of workers. Multilingual agent skill (Claude Code · Codex · Cursor) c | 10 | Codex, OpenCode | 1 | 421 tok |
| netresearch/typo3-extension-upgrade-skill Agent Skill for systematically upgrading TYPO3 extensions to newer LTS versions | Claude C | 10 | Codex, OpenCode | 1 | 662 tok |
| nuyoah-ai-works/open-nuyoah-skill Public, reusable Agent Skills: create exclusive white soft-block characters and generate a | 10 | Codex, OpenCode | 1 | 536 tok |
| ponomr/thinking-toolkit 30 thinking models as one portable agent skill — Claude Code, Codex CLI, OpenClaw, and any | 10 | Codex, OpenCode | 1 | 941 tok |
| agentic-lineage/lineage agenticlineage.vercel.app Package and share AI agent workflows, skills, agents, and policies across Claude Code, Cod | 10 | Claude Code, Codex, OpenCode | 5 | 742 tok |