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 |
|---|---|---|---|---|
| hoatv2211/GameStudio-CodexKIT hoatv2211.github.io Native Codex plugin and Hermes Agent skill kit for game studios working across Unity, C++, | 4 | Codex, OpenCode | 1 | 1,798 tok |
| mkalkere/claude-statusline pypi.org Beautiful, informative status line for Claude Code. Zero dependencies, cross-platform. pip | 4 | Claude Code, Codex, OpenCode | 2 | 2,266 tok |
| JaceHwang/codex-usage-sidebar Live Codex quota, reset time, Credits, and Bank details in the macOS desktop UI. | 4 | Codex, OpenCode | 1 | 401 tok |
| Codename-11/ARC arc-cli.dev Agent Runtime Control — unified CLI + TUI + web dashboard for managing AI coding agent pro | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 4,880 tok |
| alanshurafa/co-evolution Structured refinement of any document between AI agents. Two agent roles bounce a file bac | 4 | Claude Code, Codex, OpenCode | 2 | 6,509 tok |
| GeiserX/atlassian-browser-mcp Browser-backed MCP server wrapping mcp-atlassian with Playwright SSO auth for Atlassian Se | 4 | Claude Code, Codex, OpenCode | 4 | 3,367 tok |
| prantikmedhi/auto-skill-finder prantikmedhi.github.io Universal AI skill router — auto-detects best installed skill per prompt + activates cavem | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,053 tok |
| karthikrshet/aiskills Reusable, tool-agnostic AI engineering skills, workflows, templates, and evaluation playbo | 4 | Codex, OpenCode | 1 | 979 tok |
| crossben/orchestra-code The operating system for AI coding agents — one supervised interface to run Claude Code, O | 4 | Claude Code, Codex, OpenCode | 2 | 2,490 tok |
| infotradescout/Selective-Intelligence infotradescout.github.io Selective Intelligence turns minimal intent into grounded, token-efficient AI work: resear | 4 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 999 tok |
| SathiaAI/graphsmith graphsmith.ai GraphSmith is a free, open-source tool that generates AI agent workflows that survive cras | 4 | Codex, GitHub Copilot, OpenCode | 2 | 4,786 tok |
| paulieb89/govuk-mcp bouch.dev MCP server for GOV.UK — search, content drill-down, organisations, and postcode lookup. 5 | 4 | Claude Code, Codex, OpenCode | 2 | 1,505 tok |
| addit-digital/addit-harness tools.addit.digital Config harness for Claude Code — subagents, language conventions, an engineering-loop proc | 4 | Claude Code, Codex, OpenCode | 2 | 591 tok |
| kent-tokyo/shohei Rust MCP server with 168 security tools for Claude — DNS/DNSSEC, TLS, email security, OSIN | 4 | Codex, OpenCode | 1 | 2,537 tok |
| iluvmanan/fastapi-boilerplate Enterprise grade FastAPI Boilerplate | 4 | Claude Code, Codex, OpenCode | 2 | 12,319 tok |
| Seven128/project-tiny-context-harness npmjs.com Minimal project memory and validation harness for AI coding agents. | 4 | Codex, OpenCode | 3 | 992 tok |
| daniel8824-del/claude-wiki-verbs 9-verb knowledge engine for Obsidian vaults — Karpathy LLM Wiki pattern. Works with Claude | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,069 tok |
| ggoodman/mcp-server-go Golang implementation of the streaming MCP HTTP transport with sessions, auth and horizont | 4 | Codex, OpenCode | 1 | 701 tok |
| ootLabs/OCWIP-grant-competitions Platforma do obslugi konkursow dotacyjnych OCWIP: ogloszenie naboru, skladanie wnioskow, o | 4 | Claude Code, Codex, OpenCode | 4 | 3,580 tok |
| kevglynn/ai-dev-playbook AI-native development methodology — rules, skills, and scripts for working with coding age | 4 | Claude Code, Codex, Cursor, OpenCode | 11 | 2,209 tok |
| Aryanacoder/superragskills The #1 skill you need before building any production grade RAG | 4 | Claude Code, Codex, OpenCode | 2 | 280 tok |
| ootLabs/bilingers-knowledge-base | 4 | Claude Code, Codex, OpenCode | 3 | 1,708 tok |
| tommyvo/useful-prompts A collection of useful prompts to use for coding. | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 2 | 6,262 tok |
| janegilring/awesome-azure-landing-zones A library of AI Skills and Agents for the Microsoft Cloud Adoption Framework (CAF) and Azu | 4 | Codex, OpenCode | 1 | 2,347 tok |
| n24q02m/claude-plugins mcp.n24q02m.com Claude Code plugin marketplace for the n24q02m MCP servers -- install web search, memory, | 4 | Claude Code, Codex, OpenCode | 2 | 1,427 tok |
| BanibrataChatterjee/AwesomeSalesforceSkills Reusable Salesforce skills library for AI coding agents. 100+ skills across Admin, Dev, De | 4 | Claude Code, Codex, OpenCode | 2 | 3,090 tok |
| Aiyo28/memento-os ayal.tech Memento OS gives Claude Code, Codex and Cursor a memory between sessions: it saves your de | 4 | Claude Code, Codex, OpenCode | 1 | 1,157 tok |
| Dallionking/ui-validation-kit Drop-in UI validation for any CLI coding agent — iOS Simulator, Android emulator, and web. | 4 | Codex, OpenCode | 1 | 843 tok |
| Fandhe-AI/agent-reference-skills | 4 | Claude Code, Codex, OpenCode | 27 | 22,977 tok |
| novuhq/skills novu.co Novu Skill Set for AI Agents | 4 | Codex, OpenCode | 1 | 1,470 tok |
| megaacheyounes/ohos-mcp-unofficial This is an unofficial MCP server providing documentation search for OpenHarmony/HarmonyOS | 4 | Codex, Gemini CLI, OpenCode | 2 | 890 tok |
| MageGojo/conch R-Shell: a Rust command-line SSH workspace — saved connections, remote exec, interactive s | 4 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 1,654 tok |
| antoniolg/gemini-image-mcp-server MCP Server for generating images with Google Gemini AI | 4 | Codex, OpenCode | 1 | 612 tok |
| merakimiles/mcp-server Meraki MCP Sever | 4 | Codex, OpenCode | 1 | 767 tok |
| SanthaKumar-K-2004/linkedin-mcp-zero | 4 | Claude Code, Codex | 1 | — |
| JasonBates/rescuetime-mcp | 4 | Claude Code, Codex, OpenCode | 2 | 187 tok |
| vrppaul/semantic-code-mcp pypi.org Semantic code search MCP server for Claude Code — find code by meaning, not just text matc | 4 | Claude Code, Codex, OpenCode | 4 | 1,529 tok |
| mkmeral/containerized-strands-agents This is an MCP server that hosts strands agents. The goal is to create containerized stran | 4 | Codex, OpenCode | 1 | 3,526 tok |
| Platano78/faulkner-db Temporal Knowledge Graph System for Architectural Memory - Track decisions, patterns, and | 4 | Codex, OpenCode | 1 | 1,249 tok |
| alisoroushmd/zotero-mcp MCP server for Zotero — search, add papers, write Word docs with live citations | 4 | Codex, Gemini CLI, OpenCode | 2 | 5,357 tok |
| PaulTheSecond/knowledgebase-mcp A high-precision local knowledge base server (RAG) that implements the Model Context Proto | 4 | Claude Code, Codex | 55 | — |
| AmiyaBot/Amiya-Bot-mcp-server AmiyaBot MCP Server | 4 | Claude Code, Codex, GitHub Copilot | 5 | 195 tok |
| jaredthivener/fastapi-docs-mcp MCP server for real-time FastAPI documentation access | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 8 | 4,383 tok |
| magnus919/mcp-shlink | 4 | Codex, OpenCode | 1 | 1,320 tok |
| thekie/read-no-evil-mcp A secure email gateway MCP server that protects AI agents from prompt injection attacks hi | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,233 tok |
| metanmai/libredesk-mcp | 4 | Codex, OpenCode | 1 | 2,306 tok |
| gagahkharismanuary/tradingview-mcp-codex TradingView MCP Bridge for Codex | 4 | Codex, OpenCode | 1 | 191 tok |
| WagoAlex/wago-plc-mcp-server wagoalex.github.io | 4 | Codex, OpenCode | 1 | 3,128 tok |
| greenhouselabs/cuescope-mcp greenhouselabs.io CueScope: read-first production intelligence for workflows compatible with vMix | 4 | Claude Code, Codex, OpenCode | 2 | 1,635 tok |
| CrispyW0nton/Unreal-MCP-Ghost | 4 | Codex, OpenCode | 1 | 195 tok |