24,842 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 |
|---|---|---|---|---|
| gaffer-sh/mcp gaffer.sh Gaffer MCP for storing and retrieving Test and CI Artifacts | 1 | Codex, OpenCode | 1 | 615 tok |
| magnusquest/startgg-mcp | 1 | Claude Code, Codex, OpenCode | 2 | 4,990 tok |
| anhmtk/agentshare-mcp agentshare.dev Curated MCP registry (editor-reviewed) plus AgentShare own MCP: dual-auth, 12 tools. Comme | 1 | Codex, OpenCode | 1 | 2,850 tok |
| mahAnuj/mcp-multi-db Read-only MCP server for PostgreSQL, MySQL and SQLite, enforced at SQL and database level, | 1 | Claude Code, Codex, OpenCode | 2 | 1,938 tok |
| felippeyann/agentfi agentfi-admin.vercel.app | 1 | Claude Code, Codex, OpenCode | 3 | 178 tok |
| amenti-labs/opendivination Open-source tarot and I Ching SDK with auditable entropy sources, QRNG support, and an age | 1 | Codex, OpenCode | 1 | 600 tok |
| wei9072/aegis | 1 | Codex, OpenCode | 1 | 2,698 tok |
| GeiserX/cc-aws-keepalive Keep Claude Code sessions alive through AWS credential expiry | 1 | Claude Code, Codex, OpenCode | 4 | 2,448 tok |
| VidyasreeJayaprasad/drug-interaction-mcp | 1 | Claude Code, Codex | 5 | — |
| 0xtrou/gumpbox-extensions | 1 | Codex, OpenCode | 1 | 5,209 tok |
| gustavofsousa/calibre-mcp Local MCP server to manage a Calibre ebook library from an LLM host: fast read-only SQLite | 1 | Claude Code, Codex, OpenCode | 2 | 194 tok |
| WaromiV/openscad-ai-cs C# Openscad MCP | 1 | Codex, OpenCode | 1 | 984 tok |
| bajor/gmail-mcp-send-to-list-only send to list only gmail MCP for VPS | 1 | Codex, OpenCode | 1 | 130 tok |
| Danejw/connect-server MCP server to connect users | 1 | Codex, OpenCode | 1 | 329 tok |
| shieldspprt/solhunt-recovery solhunt.dev SolHunt — Recover forgotten SOL from your wallet. Clean NFTs, sweep dust, and reclaim rent | 1 | Claude Code, Codex, OpenCode | 2 | 1,806 tok |
| Eason-Gao3/google-trends-mcp Google Trends MCP (Model Context Protocol) server for AI workflow integration | 1 | Claude Code, Codex, OpenCode | 2 | 3,133 tok |
| robcsaszar/frontend-kit Claude Code skills for SvelteKit, canvas, drag-and-drop, and SVG animation | 1 | Codex, OpenCode | 1 | 917 tok |
| dubzdubz/ctx4-ai ctx4-ai.vercel.app Your portable context layer for Claude & ChatGPT | 1 | Claude Code, Codex, OpenCode | 5 | 1,871 tok |
| andr-ca/agentharness andr.ca Portable engineering policies for coding agents — git, testing, logging, and language conv | 1 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 13 | 30,908 tok |
| lesleslie/css-mcp CSS Analysis and Documentation MCP Server for FastBlocks ecosystem | 1 | Claude Code, Codex, OpenCode | 2 | 2,164 tok |
| centia-io/mcp-server centia.io MCP server for Centia.io | 1 | Codex, OpenCode | 1 | 142 tok |
| Rethunk-AI/rethunk-mcp-go A Model Context Protocol (MCP) server that provides Go language tools for LLMs to analyze, | 1 | Claude Code, Codex, OpenCode | 2 | 840 tok |
| Vironnimo/vbot Your own AI agents, self-hosted: persistent agents with memory that work with you or on th | 1 | Claude Code, Codex, OpenCode | 4 | 2,548 tok |
| sandraschi/nuki-mcp FastMCP 3.2 server for Nuki Smart Lock control via Home Assistant Bridge | 1 | Claude Code, Codex, OpenCode | 2 | 287 tok |
| cityjson/cj-mcp Beta version: MCP server for CityJSON spec | 1 | Claude Code, Codex, OpenCode | 2 | 1,787 tok |
| Adversarr/kernel-dsl | 1 | Claude Code, Codex, OpenCode | 2 | 270 tok |
| aks-builds/healthcareskills 91 production-grade healthcare engineering skills for AI agents — FHIR, HL7v2, HIPAA, clin | 1 | Claude Code, Codex, OpenCode | 2 | 1,974 tok |
| goiltpatpat/patpat Evidence-driven engineering skills for agents. Smaller changes, stronger proof. | 1 | Codex, OpenCode | 1 | 1,717 tok |
| 5queezer/distill Privacy-first team memory MCP server — local LLM distillation before team sync | 1 | Claude Code, Codex, OpenCode | 11 | 3,492 tok |
| bitcoin21ideas/skills Cross-agent skills for AI coding agents (Claude Code, Codex, Cursor, Copilot, Gemini), ins | 1 | Claude Code, Codex, OpenCode | 2 | 951 tok |
| LoserLab/devourer x.com Devourer is a Claude skill that transforms color palettes into complete production-ready U | 1 | Codex, OpenCode | 1 | 341 tok |
| JakeTRogers/my-awesome-copilot Selfishly opinionated GitHub Copilot prompts, agents, instructions, and skills. | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 11,107 tok |
| Stepkar2004/init-configurator Agentic project base: Claude Code skills bootstrap and evolve your project, a deterministi | 1 | Claude Code, Codex, OpenCode | 2 | 795 tok |
| troglodyte/claude-neo4j-mem Claude Neo4j memory plugin, in the manner of claude-mem | 1 | Claude Code, Codex, OpenCode | 3 | 7,426 tok |
| YingSun1004/stackshift A transfer-first learning Skill for experienced engineers moving between technology stacks | 1 | Codex, OpenCode | 1 | 436 tok |
| ghenriquec/universal-domain-rules-discover-skill universal AI agent skill for discovering domain rules and generating traceable QA scenario | 1 | Codex, OpenCode | 1 | 93 tok |
| assoumaaa/odoo-superpowers Odoo development skills for AI coding agents — a Claude Code plugin (also Codex & Gemini C | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 593 tok |
| kreek/consult Engineering quality focused skills for AI coding agents that keep humans in the loop. | 1 | Claude Code, Codex, OpenCode | 2 | 4,545 tok |
| Goodsmileduck/claude-registry Community marketplace of Claude Code plugins: DevOps skill packs (Terraform, Kubernetes, C | 1 | Codex, OpenCode | 1 | 4 tok |
| lc-rezende/AI-Custom-Skills A repository containing a variety of custom AI Skills crafted to make our life easier. | 1 | Codex, OpenCode | 1 | 991 tok |
| caprica-Six/hyperliquid-insights-web hyperliquid-insights-web-szxm.vercel.app Modern crypto market dashboard with latest Next 16 Server Components, TypeScript, shadcn/u | 1 | Claude Code, Codex, OpenCode | 4 | 707 tok |
| spmisha134/skillOps-intellij IntelliJ plugin for creating and validating Codex, Claude and Gemini skills inside a proje | 1 | Claude Code, Codex, OpenCode | 2 | 1,622 tok |
| caglarbaranbora/Apple-Agent-Kit Spec-first knowledge system for AI coding agents developing Apple iOS/iPadOS platform apps | 1 | Claude Code, Codex, OpenCode | 2 | 1,939 tok |
| Avalon-27reg/smyslokod-starter A stack-agnostic semantic coding template for Claude Code: business context in business/, | 1 | Claude Code, Codex, OpenCode | 3 | 1,069 tok |
| Synthrun/Cicada cicada-skill.vercel.app Cicada — Security Audit & Fix Skill for LLM coding agents (16 domains, cross-framework) | 1 | Codex, OpenCode | 1 | 210 tok |
| iress/design-system Shared component library for Iress products | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 17 | 17,196 tok |
| AlbionaHoti/cycle-coded Claude that speaks cycle, chart, and era language — and obeys it. Glossary-first agent mod | 1 | Codex, Gemini CLI, OpenCode | 2 | 283 tok |
| PrecisionUtilityGuild/docforge npmjs.com Agent-grade document production MCP server powered by Typst, plus Forge, a Slack agent for | 1 | Claude Code, Codex, OpenCode | 2 | 939 tok |
| guanhxuan/sshcode-mcp | 1 | Codex, OpenCode | 1 | 539 tok |
| alexandme/textql-mcp Open-Source MCP server for AI models and agents to interact with SQL/Graph databases using | 1 | Codex, OpenCode | 1 | 2,037 tok |