44,996 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 |
|---|---|---|---|---|
| flagify-com/UniMCPSim UniMCPSim is a general-purpose MCP (Model Context Protocol) simulator that dynamically sim | 17 | Claude Code, Codex, OpenCode | 2 | 8,026 tok |
| amitrechavia/langsmith-mcp-server-js A TypeScript implementation of langsmith MCP | 17 | Claude Code | 1 | 739 tok |
| erans/autoagent-action A composable GitHub Action that integrates with AI agents like Cursor CLI, Claude Code, Ge | 17 | Codex, OpenCode | 1 | 1,807 tok |
| flagify-com/soar-mcp SOAR MCP Server is an innovative security orchestration platform integration solution that | 17 | Claude Code | 1 | 1,618 tok |
| ozmium7/Ozmium-MCP-Server-for-Sbox Connect AI coding assistants to the S&box editor using the Model Context Protocol (MCP). W | 17 | Claude Code | 1 | 1,273 tok |
| cfircoo/claude-code-toolkit | 17 | Claude Code | 5 | 828 tok |
| gear-foundation/vara-skills | 17 | Claude Code, Codex, OpenCode | 2 | 1,161 tok |
| sbraind/excel-mcp-server | 17 | Claude Code | 9 | 1,739 tok |
| LoftyTao/Honeybee-MCP MCP Tools by LBT-Honeybee | 17 | Codex, OpenCode | 1 | 1,542 tok |
| sparesparrow/mcp-project-orchestrator Analyze user input to identify suitable design patterns and project templates. Orchestrate | 17 | Claude Code, Cursor | 2 | 616 tok |
| adamwulf/mcp-template adamwulf.me A barebones MCP server implementation in Swift using loopwork-ai's mcp-swift-sdk. | 17 | Codex, Cursor, OpenCode | 2 | 2,623 tok |
| LearnAIHubC/AgentRules A practical workflow for reliable AI-assisted software development | 17 | Codex, OpenCode | 1 | 1,280 tok |
| joobisb/mcp-installer mcp-installer.com Simplifies the installation and management of MCP (Model Context Protocol) servers across | 17 | Claude Code | 1 | 2,931 tok |
| pablof7z/mcp-money MCP server to give nutsack wallets to agents, an important milestone in the path towardssk | 17 | Claude Code | 1 | 498 tok |
| khromov/context-coder npmjs.com MCP for agentic full-context coding | 17 | Claude Code | 1 | 1,992 tok |
| LarryStanley/heptabase-mcp The heptabase mcp | 17 | Claude Code | 1 | 954 tok |
| BeCrafter/prompt-manager Prompt management service based on the MCP protocol, supporting HTTP streaming and web/des | 17 | Codex, OpenCode | 1 | 9,435 tok |
| verdexhq/verdex-mcp MCP Server for Playwright Test Writing | 17 | Claude Code | 1 | — |
| ranjanrishikesh/taketomarket npmjs.com Marketing OS for developerneurs + solopreneurs (engineers shipping products with zero mark | 17 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 7,146 tok |
| schwepps/skills Claude Code skills marketplace - documentation-based skills that extend Claude Code with s | 17 | Claude Code | 1 | 925 tok |
| lunashia/code-generation-skill Top 20 prompts for Chinese AI programming, packaged as a skill to assist Codex/Claude with | 17 | Claude Code | 1 | 385 tok |
| AceDataCloud/Skills Agent Skills for AceDataCloud AI services — music, image, video generation, web search, an | 17 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 628 tok |
| d4rkNinja/arcforge arcforge.infynon.com Production architecture decisions your AI coding agent can explain, challenge, and prove. | 17 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,072 tok |
| cruxible-ai/cruxible Governed state engine for AI agents: typed, executable knowledge artifacts with a code-lik | 17 | Codex, OpenCode | 1 | 2,555 tok |
| otaviocc/ObsidianMCPServer A Model Context Protocol (MCP) server that enables AI assistants to interact with your Obs | 17 | Claude Code | 1 | 1,532 tok |
| prassanna-ravishankar/clearml-mcp lightweight MCP server for ClearML | 17 | Claude Code | 1 | 780 tok |
| fritzprix/role-playing-mcp-server Role-playing game server for MCP. Lets AI assistants create, manage, and narrate interacti | 17 | Claude Code | 1 | 1,735 tok |
| Storybloq/lenses storybloq.com Multi-lens code review MCP server for Claude Code. 8 specialized reviewers run in parallel | 17 | Claude Code | 1 | 1,630 tok |
| tiluckdave/hound-mcp npmjs.com The dependency bloodhound for AI coding agents. Free, no API keys. | 17 | Claude Code | 1 | 1,703 tok |
| ferdinandobons/diagram-creator-skill Claude Code skill: Turn any input into beautiful architecture diagrams — self-contained HT | 17 | Claude Code, Codex, OpenCode | 2 | 933 tok |
| n24q02m/wet-mcp mcp.n24q02m.com Open-source MCP server for AI agents: web search, content extraction, and library docs -- | 17 | Claude Code, Codex, OpenCode | 2 | 7,026 tok |
| ForkPoint/agent-lighthouse forkpoint.github.io Lighthouse-style audits for AI agents, LLM crawlers, MCP clients, and the agentic web. | 17 | Claude Code, Codex, OpenCode | 2 | 3,847 tok |
| cybertronai/SutroYaro cybertronai.github.io SutroYaro — Sutro Group research workspace for energy-efficient AI training. Point any cod | 17 | Claude Code, Codex, Gemini CLI, OpenCode | 14 | 7,023 tok |
| ShenSeanChen/launch-agent-skills | 17 | Claude Code | 1 | 409 tok |
| fernandoabolafio/repobase repobase.dev Index and search your Git repositories with AI. Includes a terminal UI and MCP server for | 17 | Claude Code, Cursor | 3 | — |
| heznpc/AirMCP heznpc.github.io Governed MCP runtime for the Apple ecosystem — verified control over Notes, Mail, Calendar | 17 | Claude Code | 1 | — |
| igptai/skills igpt.ai Email intelligence for every role in the company, 13 role-specific plugins, 76 skills, and | 17 | Claude Code, Codex, OpenCode | 2 | 3,125 tok |
| taivop/marketplace Agent skills from Taivo Pungas - https://taivo.ai | 17 | Claude Code, Codex, OpenCode | 2 | 721 tok |
| kyleoliveiro/sg-gov-skills Agent skills for developers building tech projects for Singapore government agencies. | 17 | Claude Code, Codex, OpenCode | 2 | 518 tok |
| MelonS/MelonS-Agents melons.github.io An agent that builds, plays, and verifies its own game ? a colony-sim prototype gated by 1 | 17 | Claude Code | 28 | 2,413 tok |
| Altinity/altinity-skills Altinity's agent skills for ClickHouse® development and DBA tasks | 17 | Codex, OpenCode | 1 | 188 tok |
| dapi/claude-code-marketplace Agents, commands and skills for active development | 17 | Claude Code | 1 | 5,100 tok |
| BrianPugh/unraid-claude-code Claude Code plugin for Unraid. | 17 | Claude Code | 1 | 404 tok |
| samaritan0/dfir-agentic-suite An autonomous Digital Forensics & Incident Response toolkit built on Claude's skill and MC | 17 | Claude Code | 1 | 833 tok |
| kasuken/github-copilot-superpowers Opinionated, repo-local configuration for GitHub Copilot (Chat + Agent mode): instruction | 17 | Claude Code, Codex, GitHub Copilot | 15 | 5,040 tok |
| bahayonghang/my-ai-cli-toolkit My AI Agents configuration, including commands, skills, and more | 17 | Claude Code, Codex, OpenCode | 2 | 1,807 tok |
| caiaffa/claude-code-ultimate-engineering-system A complete engineering toolkit for Claude Code: premium skills, agent workflows, ADR/PRD t | 17 | Claude Code, Codex, OpenCode | 2 | 2,237 tok |
| Evaluris-Solutions/claude-active-directory evaluris.com AI agent harness for Active Directory offensive security — 8 skill domains, 13 slash comma | 17 | Claude Code | 1 | 1,208 tok |
| Ratler/dream-team Dream Team is a Claude Code plugin offering structured planning capabilities that generate | 17 | Claude Code | 1 | 2,345 tok |
| 54yyyu/pyapple-mcp stevenyuyy.com MCP server and CLI for seven macOS apps — Messages, Mail, Notes, Calendar, Reminders, Cont | 17 | Claude Code | 2 | 2,956 tok |