23,733 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 |
|---|---|---|---|---|
| bjesuiter/opencode-acp-skill A skill developed for clawdbot to control opencode via ACP (Agents Communication Protocol) | 20 | Codex, OpenCode | 1 | 1,768 tok |
| gtesei/agentic_design_patterns Agentic AI Design Patterns | 20 | Codex, OpenCode | 1 | 3,822 tok |
| Doctor-wu/agent-im-relay A platform-agnostic bridge that connects AI agents to instant messaging platforms. | 20 | Claude Code, Codex, OpenCode | 2 | 896 tok |
| MHW888888/aegisloop Local Codex control with bounded runs, crash recovery, and auditable results. Optional Cha | 20 | Codex, OpenCode | 1 | 393 tok |
| satasuk03/thai-personal-finance-planner An Agent skill that turns AI into a personal financial planner for Thailand — Thai tax (ภง | 20 | Claude Code, Codex, OpenCode | 2 | 4,732 tok |
| RobSpectre/mvf1 A Python package and command line interface to control video players for MultiViewer For F | 20 | Claude Code, Codex, OpenCode | 2 | 1,214 tok |
| nokia/mcp-redfish | 20 | Codex, GitHub Copilot, OpenCode | 2 | 4,668 tok |
| yourbuddyconner/valet Self-hosted background coding agents with full dev environments. | 20 | Claude Code, Codex, OpenCode | 2 | 7,797 tok |
| oeftimie/vv-claude-harness This is my Claude Code harness, a combination between Anthropic's guidelines for long runn | 20 | Claude Code, Codex, OpenCode | 6 | 1,768 tok |
| sam-agents/sam SAM - Autonomous TDD agent system for Claude Code, Cursor, Gemini CLI, GitHub Copilot, and | 20 | Claude Code, Codex, OpenCode | 10 | 2,782 tok |
| hereisSwapnil/memwiki A persistent memory protocol for AI coding agents that gives projects a shared, markdown b | 20 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 680 tok |
| atomantic/UEMCP Python Unreal Engine Plugin and Node.js MCP Server | 20 | Claude Code, Codex, OpenCode | 6 | 1,656 tok |
| oneworks-ai/app oneworks.cloud One Works application monorepo for AI agents, plugins, desktop, web, CLI, and Relay. | 20 | Codex, OpenCode | 1 | 6,793 tok |
| pluginslab/wp-agentic-kit pluginslab.com Starter kit for agentic WordPress development. CLAUDE.md/AGENTS.md templates, the wordpres | 20 | Claude Code, Codex, OpenCode | 8 | 3,997 tok |
| ironlint/ironlint Agentic-native linting tool to enforce deterministic quality gates | 20 | Claude Code, Codex, OpenCode | 2 | 1,745 tok |
| kriasoft/mcp-client-gen medium.com Turn any MCP server into a type-safe TypeScript SDK in seconds - with OAuth 2.1 and mul | 20 | Claude Code, Codex, OpenCode | 2 | 1,782 tok |
| beyond5959/acp-adapter Bridging Codex , Claude Code and Pi to Agent Client Protocol (ACP) with Go. | 20 | Claude Code, Codex, OpenCode | 2 | 2,572 tok |
| SkeneTechnologies/plg-skills | 20 | Codex, GitHub Copilot, Cursor, OpenCode | 3 | 596 tok |
| grafana/grafana-cube-datasource grafana.com A Grafana data source plugin that brings semantic layer analytics via Cube. Define metrics | 20 | Codex, Cursor, OpenCode | 2 | 997 tok |
| HWYD/ai-mind An AI Native Runtime Skeleton that continuously evolves by version. It starts with a local | 20 | Claude Code, Codex, OpenCode | 17 | 3,698 tok |
| shutootaki/gwm Git worktree manager cli. Switch Git contexts with zero friction. Review pull requests, cr | 20 | Claude Code, Codex, OpenCode | 6 | 1,160 tok |
| alicomert/pixcode Self-hosted AI coding agent control plane — Claude Code, Codex, Gemini CLI, Cursor, Qwen & | 20 | Codex, OpenCode | 1 | 3,371 tok |
| cyanheads/toolkit-mcp-server npmjs.com Generate random IDs, QR codes, and hashes, encode and decode values, and geolocate IPs, pl | 20 | Claude Code, Codex, OpenCode | 2 | 17,918 tok |
| veryfront/veryfront-code veryfront.com Full-stack framework for building AI apps and agents with TypeScript and React. Works with | 20 | Claude Code, Codex, OpenCode | 9 | 4,626 tok |
| romiluz13/pi-agent-skills | 20 | Codex, OpenCode | 1 | 584 tok |
| workato-devs/recipe-skills Connector-specific knowledge for AI coding agents building Workato recipes. Datapill synta | 20 | Claude Code, Codex, OpenCode | 8 | 1,061 tok |
| BoxLogoDev/sapstack Universal SAP skills and agents for Claude Code — FI, CO, TR, MM, SD, PP, HCM, SFSF, ABAP, | 20 | Claude Code, Codex, GitHub Copilot, Kiro, OpenCode, Windsurf | 11 | 15,008 tok |
| natnew/awesome-ai-scientists natnew.github.io A curated collection of resources for building “AI Scientist” systems: AI that assists sci | 20 | Claude Code, Codex, OpenCode | 2 | 4,164 tok |
| lestrrat-ai/claude-code-plugins | 20 | Claude Code, Codex, OpenCode | 2 | 4,025 tok |
| viteinfinite/sync-skills Synchronize agent skill definitions between .claude and .codex directories | 20 | Claude Code, Codex, OpenCode | 12 | 277 tok |
| ilgizar-valiullin/mcp-web-hound npmjs.com Unified MCP search server with 8 providers, caching, reranking, and rate limits | 20 | Codex, OpenCode | 1 | 519 tok |
| hjqcan/GoodMemory npmjs.com Local-first, auditable memory layer for AI apps and coding agents — Codex, Claude Code, MC | 20 | Claude Code, Codex, OpenCode | 2 | 3,320 tok |
| shane9coy/Agent-Skill-Architecture-Guide katana-agent.com A comprehensive reference for building and organizing AI agent skills across Claude Code, | 20 | Codex, OpenCode | 1 | 2,387 tok |
| PrunaAI/pruna-skills dashboard.pruna.ai Agent skills and plugins to give your agents access to Pruna API and generation workflows. | 20 | Codex, OpenCode | 1 | 1,105 tok |
| risingwavelabs/risingwave-mcp go.risingwave.com RisingWave MCP Server. | 20 | Codex, OpenCode | 1 | 578 tok |
| donnfelker/loop-skills Autonomous, self-re-prompting agent loops for Claude Code — packaged as independently-inst | 20 | Claude Code, Codex, OpenCode | 2 | 1,262 tok |
| j4th/mtg-mcp-server Unified MCP server composing Scryfall, Commander Spellbook, 17Lands, EDHREC, Moxfield, Spi | 20 | Claude Code, Codex, OpenCode | 28 | 4,668 tok |
| epicsagas/epic-harness epicsagas.github.io Multi-tool AI agent harness — 22 skills, self-evolving engine, unified memory, autonomous | 20 | Claude Code, Codex, OpenCode | 3 | 4,815 tok |
| ZenMux/skills ZenMux Skills Repo | 20 | Claude Code, Codex, OpenCode | 2 | 1,286 tok |
| ashlrai/phantom-secrets phm.dev Stop AI coding agents from leaking your API keys. Local proxy + MCP that swaps real secret | 20 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 7,553 tok |
| ChouChiu/heya-skill hs.wwchun.top In-depth analysis based on Bilibili creator Heya's video titles, teaching AI to learn Heya | 20 | Codex, OpenCode | 1 | 1,318 tok |
| hypercycle-development/mosaic-companion Open desktop runtime for AI agents, tools, and integrations — MCP servers, sandboxed WASM | 20 | Codex, OpenCode | 1 | 2,534 tok |
| Azure/azure-functions-skills A repository for Azure Functions skills, prompts, and reusable definitions to support agen | 20 | Claude Code, Codex, GitHub Copilot, OpenCode | 12 | 2,310 tok |
| redhat-developer/rhdh-skills Claude Code skill for RHDH plugin lifecycle management | 20 | Claude Code, Codex, OpenCode | 2 | 2,272 tok |
| jrollin/cartog cartog.dev Pre-indexed code knowledge graph via treesitter, enchanced query with RAG, MCP server, pri | 20 | Claude Code, Codex, OpenCode | 2 | 14,264 tok |
| higebu/3gpp-mcp | 20 | Claude Code, Codex, OpenCode | 2 | 3,112 tok |
| jamarpl21/prawo-pl-eli Prawo polskie i UE oraz orzecznictwo z oficjalnych źródeł — 8 skilli (Agent Skills) dla Cl | 20 | Codex, OpenCode | 1 | 599 tok |
| davertor/take-notes Turn a YouTube video or a web article into didactic study notes, rendered as a self-contai | 20 | Codex, OpenCode | 1 | 779 tok |
| tyql688/sessionview Browse, search, resume and manage your AI coding sessions in one local desktop app. (Claud | 20 | Claude Code, Codex, OpenCode | 4 | 2,360 tok |
| patchloom/patchloom patchloom.github.io Structured file edits for AI agents (JSON/YAML/TOML, markdown, AST, dry-run, MCP). Not a g | 20 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 10,152 tok |