23,799 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 agents8,544Claude Code6,892Git and workflow3,622Data and AI3,580Backend and APIs3,558Languages3,492Planning3,321Code review2,907Testing2,690DevOps and cloud2,489Writing and docs2,484Memory and context2,374Research2,321Frontend2,311Security2,178Project management1,971
All Claude Code32,539 Codex24,879 OpenCode23,799 GitHub Copilot3,723 Gemini CLI2,040 Cursor1,772 Windsurf202 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| GeiserX/atlassian-browser-mcp Browser-backed MCP server wrapping mcp-atlassian with Playwright SSO auth for Atlassian Se | 4 | Claude Code, Codex, OpenCode | 4 | 3,404 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 |
| 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 | 1,393 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 | 1,036 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 |
| 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 |
| 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 |
| nikan/elorus-mcp An MCP for the Elorus billing and expense management app | 4 | Claude Code, Codex, OpenCode | 4 | 1,719 tok |
| smaramwbc/statewave-connectors statewave.ai Connector ecosystem for Statewave — feed real-world events into agent memory | 4 | Codex, GitHub Copilot, OpenCode | 2 | 1,061 tok |
| geleynse/gantry MCP proxy and live dashboard for Space Molt AI fleets. Compound tools, guardrails, multi-a | 4 | Claude Code, Codex, OpenCode | 18 | 1,768 tok |
| ogprotege/amex-anaylsis-mcp Amex-Analysis-MCP is a sophisticated financial analysis tool that transforms your American | 4 | Codex, OpenCode | 1 | 405 tok |
| internet-court/mcp internet-court-mcp-git-main-gen-layer-foundation.vercel.app Internet Court MCP — remote MCP server and install endpoint for the Internet Court skill ( | 4 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| cyanheads/un-comtrade-mcp-server npmjs.com Access UN Comtrade international merchandise and services trade statistics — country looku | 4 | Claude Code, Codex, OpenCode | 2 | 16,014 tok |
| rcarmo/python-umcp-calibre A calibre plugin that adds an MCP server | 4 | Codex, OpenCode | 1 | 918 tok |
| cyanheads/met-museum-mcp-server npmjs.com Search the Metropolitan Museum of Art collection, browse it by department or update date, | 4 | Claude Code, Codex, OpenCode | 2 | 14,958 tok |
| cyanheads/openlibrary-mcp-server npmjs.com Search books and authors, fetch editions, browse subjects, and resolve cover images from O | 4 | Claude Code, Codex, OpenCode | 2 | 16,414 tok |