43,652 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 agents7,588Claude Code6,636Data and AI3,676Backend and APIs3,496Languages3,402Planning3,219Git and workflow3,187Code review2,745Testing2,374Memory and context2,364DevOps and cloud2,310Writing and docs2,309Research2,295Frontend2,261Security2,021Productivity1,715
All Claude Code31,998 Codex23,222 OpenCode22,170 GitHub Copilot3,550 Gemini CLI1,918 Cursor1,738 Windsurf137 Kiro80
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| apiksdev/axel-core AXEL is an XML-based DSL (Domain-Specific Language) plugin for Claude Code. It is used to | 7 | Claude Code | 1 | 467 tok |
| hugobatista/copilot-instructions-unicode-injection Proof of Concept (PoC) demonstrating prompt injection vulnerability in AI code assistants | 7 | GitHub Copilot | 1 | 1,064 tok |
| WarrenZhu050413/Warren-Claude-Code-Plugin-Marketplace A personal plugin marketplace for Claude Code | 7 | Claude Code | 1 | 6,864 tok |
| mem9-ai/mem9-claude-plugin Mem9 persistent cloud memory plugin for Claude Code — installable via CoWork | 7 | Codex, OpenCode | 1 | 325 tok |
| shrwnsan/vibekit-claude-plugins VibeKit: Productivity Plus Claude Code Plugin Marketplace. A curated collection of product | 7 | Codex, OpenCode | 1 | 1,238 tok |
| CarolaneLFBV/ios-development-agents Ultra-granular iOS development agents for Claude Code (1 plugin = 1 job) | 7 | Claude Code | 1 | 286 tok |
| fredcamaral/drawers OpenCode plugins porting Claude Code's background agents and Workflows — Bun workspace mon | 7 | Claude Code | 2 | — |
| peterblazejewicz/claude-plugins .NET C# cross-platform Claude Code plugins | 7 | Claude Code, Codex, OpenCode | 2 | 3,389 tok |
| nikhaldi/drywall A Claude Code plugin for detecting and eliminating code duplication using jscpd | 7 | Claude Code | 1 | 515 tok |
| DanaSandman/claude-code-plugins | 7 | Claude Code | 1 | — |
| laststance/claude-plugin-dashboard npmjs.com Claude Plugin Dashboard CLI | 7 | GitHub Copilot | 1 | 1,059 tok |
| andreasasprou/agent-skills Claude Code plugins: Oracle (GPT-5.2 advisor), Safety Net (block destructive commands), op | 7 | Codex, OpenCode | 1 | 89 tok |
| sablier-labs/plugin-marketplace Official Sablier plugin marketplace for AI agents like Claude Code | 7 | Claude Code | 2 | 248 tok |
| mrlesmithjr/claude-context-manager Claude Code plugin for persistent memory across sessions | 7 | Claude Code | 1 | 7,210 tok |
| kirkchen/beat Agent-driven BDD workflow plugin for Claude Code | 7 | Claude Code | 1 | 3,899 tok |
| jamstop/claude-code-nostalgia-sounds Nostalgic sound effects plugin for Claude Code - dial-up tones, Windows XP sounds, AOL mai | 7 | Codex, OpenCode | 1 | 1,824 tok |
| Data-Wise/claude-plugins data-wise.github.io Official Claude Code plugins - Statistical research, R development, and more | 7 | Claude Code | 1 | 2,586 tok |
| elct9620/claude-powerloop-plugin The plugin enhances /loop in Claude Code | 7 | Claude Code | 1 | — |
| lollipopkit/cc-plugins Plugins for Claude Code, rlm & devloop. | 7 | Claude Code | 1 | 511 tok |
| URaux/archviber-plugin ArchViber: Architecture visualization plugin for Claude Code | 7 | Claude Code, Codex, OpenCode | 2 | 1,234 tok |
| gyy0592/claude-config Personal Claude Code plugin subscriptions for migration | 7 | Claude Code | 1 | 37 tok |
| Consiliency/Flutter-Structurizr Flutter Structurizr diagram manipulation implementation. | 7 | Claude Code, Codex, OpenCode | 8 | 9,684 tok |
| abdullahkhawer/devops-skills A curated collection of DevOps Skills that enhance your development using AI to work smart | 7 | Claude Code | 1 | — |
| hackdays-io/toban-contribution-viewer Visualize team members' contribution | 7 | Claude Code | 3 | 745 tok |
| dhar174/custom_github_copilot_agent_builder A framework for building customized, optimized custom Github Copilot agents using custom r | 7 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 91 | 92,360 tok |
| Cheffromspace/mcp-nextcloud-calendar | 7 | Claude Code | 1 | 1,295 tok |
| harshmoney123/launch-swarm agentweb.pro I run a 4-person startup and code part-time. This .claude folder is how I turn 4 hours int | 7 | Claude Code | 1 | 1,237 tok |
| to4iki/ai-project-rules | 7 | Claude Code | 1 | — |
| sapientpants/deepsource-mcp-server Model Context Protocol (MCP) server for DeepSource | 7 | Claude Code | 8 | 3,103 tok |
| 247arjun/mcp-grep An MCP Server wrapper around the grep CLI tool | 7 | GitHub Copilot | 1 | 211 tok |
| InfinitIQ-Tech/mcp-jira MCP Server for handling Jira issues | 7 | GitHub Copilot | 1 | 269 tok |
| slbug/claude-ruby-grape-rails Claude Code plugin for Ruby, Rails, Grape, PostgreSQL, Redis, and Sidekiq development | 7 | Claude Code, GitHub Copilot | 6 | 16,980 tok |
| newink/claudecode-sounds Claude Code plugin: Play sounds when Claude needs your attention (Warcraft 3 soundpacks in | 7 | Claude Code | 1 | 230 tok |
| bpinheiroms/claude-office A Claude Code statusline plugin that shows plan quota, real-time costs, and monthly saving | 7 | Claude Code | 1 | 2,420 tok |
| Evyasys-Software-Solutions/EvyaGovernance evyasys.com Claude Code plugin for AI-assisted software delivery — story to release in eight slash com | 7 | Claude Code | 1 | 4,426 tok |
| forsonny/maker-framework MAKER Framework for Claude Code CLI Plugin | 7 | Claude Code | 1 | 1,306 tok |
| Epiphytic/ai-plugin-translator Deterministic CLI to translate AI coding agent plugins between ecosystems (Claude Code -> | 7 | Claude Code | 1 | 681 tok |
| brian-lai/para-programming-plugin PARA-Programming methodology plugin for Claude Code - structured context, persistent memor | 7 | Claude Code | 1 | 517 tok |
| msaelices/claude-code-talk-to-me Claude Code plugin to talk with the developer when gets stuck | 7 | Claude Code | 1 | 1,313 tok |
| leprachuan/Wee-Orchestrator 🍀 Self-hosted multi-agent AI orchestrator — chat with Claude, Gemini & Copilot CLI from T | 7 | Codex, OpenCode | 1 | 3,470 tok |
| mvpasarel/gh-copilot-plugin-cc GitHub Copilot plugin for Claude Code — code review, adversarial review, and task delegati | 7 | Claude Code | 1 | 269 tok |
| poindexter12/waypoint | 7 | Claude Code | 2 | 631 tok |
| disco-trooper/apple-notes-mcp MCP server for Apple Notes. Semantic search, full CRUD, works with MCP clients. | 7 | Claude Code | 1 | 1,062 tok |
| bastos/skills My own collection of skills | 7 | Claude Code, Codex, OpenCode | 2 | 993 tok |
| pamelafox/azure-cosmosdb-identity-aware-mcp-server pamelafox.github.io A code sample and presentation about building an identity-aware MCP server with FastMCP, A | 7 | Codex, OpenCode | 1 | 690 tok |
| widoriezebos/descartes-mcp MCP server for java. Deep introspection and REPL out of the box | 7 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 2,047 tok |
| billyjbryant/mcp-foxxy-bridge A one-to-many MCP Bridge. | 7 | Claude Code | 1 | 1,534 tok |
| Dradebo/dhis2-mcp An MCP for dhis2 development | 7 | Claude Code | 1 | 706 tok |
| myuon/refactor-mcp npmjs.com | 7 | Claude Code | 1 | 706 tok |
| an1lam/fatebook-mcp Your new, favorite MCP server for what should be your favorite personal predictions tracke | 7 | Claude Code | 1 | 716 tok |