31,984 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 |
|---|---|---|---|---|
| tb0hdan/wass-mcp Web Application Security Scanner MCP Server | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 191 tok |
| ishizakahiroshi/many-ai-cli Run Claude Code, Codex, Copilot, Cursor, and Grok CLIs in parallel — approve every session | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 6,035 tok |
| snyk/saw-mcp | 8 | Claude Code, Codex, OpenCode | 2 | 1,978 tok |
| nhype/owa-exchange-mcp | 8 | Claude Code | 1 | 631 tok |
| rushikeshmore/CodeCortex codecortex-ai.vercel.app Persistent codebase knowledge layer for AI agents. Pre-builds architecture, dependency, co | 8 | Claude Code | 1 | 1,942 tok |
| LLMTooling/code-search-mcp Model Context Protocol server providing powerful and efficient codebase search tools, incl | 8 | Claude Code | 6 | 1,476 tok |
| evilstar2016/skill-doctor npmjs.com Local CLI for auditing AI agent skills, conflicts, duplicates, safety risks, and context c | 8 | Claude Code, Codex, OpenCode | 3 | 1,604 tok |
| adithya-s-k/research-presentation-template A template for research talks: fixed-canvas React deck, dark/light themes, PPTX + PDF expo | 8 | Claude Code, Codex, OpenCode | 2 | 1,740 tok |
| tinesoft/spec-kit-token-budget Token Budget 💰 — a Spec Kit extension for token-efficient SDD | 8 | Claude Code | 2 | 1,547 tok |
| VeryMath/co-mathematician Co-mathematician project for collaborative AI-assisted mathematical research. | 8 | Claude Code, Codex, OpenCode | 9 | 2,327 tok |
| classicchins/compounding-marketing cmo-skills.com A Claude Code + ChatGPT/Codex plugin for world-class Marketing & GTM workflows | 8 | Claude Code, Codex, OpenCode | 2 | 8,473 tok |
| DEFRA/claude-legacy-reveng-plugin A Claude Code plugin that encapsulates an agentic flow for reverse engineering legacy appl | 8 | Claude Code | 1 | 139 tok |
| DropFan/claude-code-plugins Claude Code plugins collection - custom plugins and curated favorites. chat-saver/skill-ex | 8 | Claude Code, Codex, OpenCode | 2 | 1,569 tok |
| mreider/agilemarkdown agilemarkdown.com Run your backlogs in markdown | 8 | Claude Code, Codex, GitHub Copilot, OpenCode | 11 | 3,597 tok |
| nguyenvanduocit/vite-plugin-ai-annotator AI-powered element annotator for Vite - Pick elements and get instant AI code modification | 8 | Claude Code | 1 | 2,541 tok |
| sixseven42/seismic-benchmark-code Code for seismic benchmark | 8 | Claude Code | 1 | 1,939 tok |
| agentconfig/agentconfig.org agentconfig.org Elevate your AI assistants by configuring them for any role or workflow. Explore the primi | 8 | Claude Code, Codex, OpenCode | 14 | 2,373 tok |
| cwensel/arcaneum CLI tools and Claude Code plugins for semantic and full-text search across code, docs, and | 8 | Claude Code, Codex, OpenCode | 2 | 1,726 tok |
| gbasin/figma-to-react Claude Code plugin for converting linear Figma screen flows into React components with exa | 8 | Claude Code | 2 | — |
| SKULLFIRE07/cortex-memory marketplace.visualstudio.com Persistent AI memory for Claude Code, Cursor & Cline. Auto-captures decisions, patterns an | 8 | Claude Code | 1 | 837 tok |
| btafoya/mailsandbox MailSandbox is a fast, zero-dependency email testing tool & API with a web UI, SMTP server | 8 | Claude Code | 1 | 1,392 tok |
| nushell-prophet/nushell-skills Claude Code plugin marketplace for opinionated Nushell development skills | 8 | Claude Code | 1 | 1,276 tok |
| zhouziyue233/great-econometrics Econometrics plugin for Claude and Cursor | 8 | Claude Code | 1 | 1,160 tok |
| mwguerra/plugins A disciplined engineering suite for Claude Code — six composable plugins (maestro, prd-bui | 8 | Claude Code | 1 | 2,051 tok |
| 0xhubed/agent-trading-arena | 8 | Claude Code | 5 | 9,768 tok |
| microsoft/AKS-Lab-GitHubCopilot ZavaShop multi-agent retail demo on AKS + ACA. Specs, MCP servers, agents, tests, Bicep/He | 8 | Claude Code, Codex, GitHub Copilot, OpenCode | 18 | 4,662 tok |
| luxiaolei/tiger-mcp | 8 | Claude Code | 1 | 1,292 tok |
| tensorfreitas/lunatask-mcp Unofficial Lunatask MCP server | 8 | Claude Code, Codex, OpenCode | 2 | 3,320 tok |
| speakeasy-api/docs-mcp speakeasy.com Offline-first, performant MCP server for your docs | 8 | Claude Code, Codex, OpenCode | 2 | 3,134 tok |
| antruongnguyen/mcp-server-manager A Model Context Protocol Server Manager (MCPSM) that orchestrates the MCP servers, manage | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,829 tok |
| lordamdal/chromeboost chromeboost.work Give Claude hands in your own browser. A Chrome extension + MCP server that lets Claude Co | 8 | Claude Code, Gemini CLI | 2 | 8,344 tok |
| aplaceforallmystuff/mcp-threatintel MCP server for unified threat intelligence - AlienVault OTX, AbuseIPDB, GreyNoise, and abu | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 538 tok |
| AlgoVaultLabs/crypto-quant-signal-mcp algovault.com AI trading brain for crypto perps — composite signals, funding rate arb scanning, and mark | 8 | Claude Code | 4 | — |
| HBarefoot/engram 🧠 Persistent memory for AI agents. SQLite for agent state. Zero cloud dependencies. Local | 8 | Claude Code | 1 | 6,531 tok |
| seiji/inoreader-mcp-server | 8 | Claude Code | 3 | 317 tok |
| SidneyBissoli/bcb-br-mcp bcb.sidneybissoli.com MCP server for Brazil Central Bank (BCB) data — Selic, IPCA, exchange rates, GDP for AI ag | 8 | Claude Code | 1 | 7,286 tok |
| sachinrai308/Unity-Skills sachinrai308.github.io 🤖 Automate Unity Editor tasks with AI using JSON command files for efficient scene manage | 8 | Claude Code | 1 | 45 tok |
| pekral/cursor-rules pekral.cz PHP and Laravel Cursor rules — coding standards, testing, and conventions for the Cursor e | 8 | Claude Code | 1 | 627 tok |
| Jignesh-Ponamwar/skills-mcp skills-mcp-jignesh.vercel.app A self-hostable, open-source, semantically-searchable Agent Skills registry delivered over | 8 | Claude Code, GitHub Copilot | 2 | 1,519 tok |
| JordanCoin/codingskills Coding principles for Claude Code and AI agents. KISS, DRY, SOLID, YAGNI, separation of co | 8 | Claude Code, Codex, OpenCode | 2 | 893 tok |
| andyhtran/deepwiki-by-cc Self-hosted, open-source DeepWiki alternative — agentic wiki generator for any GitHub repo | 8 | Claude Code | 1 | 198 tok |
| cocaxcode/api-testing-mcp npmjs.com The most complete MCP server for API testing. 27 tools: requests, assertions, flows, OpenA | 8 | Claude Code | 1 | 959 tok |
| jcucci/dotnet-sherlock-mcp MCP server that uses reflection to provide LLM's with knowledger about dotnet classes, the | 8 | Claude Code, Codex, OpenCode | 2 | 2,997 tok |
| suryast/indonesia-civic-stack 🇮🇩 Production-ready Python SDK + MCP server for 14 Indonesian government data sources — | 8 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 2,994 tok |
| zivtech/accessibility-skills zivtech.github.io Accessibility Skills (accessibility-skills): AI skills that plan, review, test, and audit | 8 | Claude Code, Codex, OpenCode | 2 | 4,799 tok |
| Capta1nRaj/goshipit npmjs.com GoShipIt is a Claude Code skill that audits your codebase before every deploy. 188 checks | 8 | Claude Code | 1 | 667 tok |
| pppop00/Equity-Research-Company Harnessed Equity Research Team for fundamental analysis reports. | 8 | Claude Code, Codex, OpenCode | 3 | 4,536 tok |
| thehesiod/psquare-mcp Parent | 8 | Claude Code, GitHub Copilot | 2 | 8,516 tok |
| Aaronjacobs000/sophos-central-mcp | 8 | Claude Code | 1 | 1,304 tok |
| s-morgan-jeffries/omnifocus-mcp MCP server for OmniFocus integration - enables Claude and other MCP clients to interact wi | 8 | Claude Code | 10 | — |