45,012 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 agents8,549Claude Code6,896Git and workflow3,630Data and AI3,579Backend and APIs3,559Languages3,491Planning3,321Code review2,909Testing2,691DevOps and cloud2,492Writing and docs2,490Memory and context2,374Research2,321Frontend2,311Security2,183Project management1,977
All Claude Code32,540 Codex24,898 OpenCode23,819 GitHub Copilot3,723 Gemini CLI2,039 Cursor1,772 Windsurf202 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| duthaho/copilot-instructions A comprehensive codebase of best practices, coding rules, and workflow automation for AI-a | 7 | GitHub Copilot | 10 | 12,840 tok |
| joshidikshant/devsquad Claude Code plugin that intercepts tool calls with hooks and routes work across Gemini, Co | 7 | Codex, OpenCode | 1 | 335 tok |
| Dboy5312/autoclaude Dboy5312's remake of AutoClaude — an actively maintained AGPL-3.0 fork of AndyMik90/Auto-C | 7 | Claude Code | 2 | 3,733 tok |
| pbmagnet4/nlm-memory npmjs.com Local-first memory for AI agents across tools, sessions and projects. Recover decisions, i | 7 | Codex, OpenCode | 1 | 181 tok |
| jeffkit/jeff-marketplace A collection of plugins for Jeff's workflow, designed to enhance Claude Code with personal | 7 | Claude Code | 1 | 4,848 tok |
| chenmitchell/omg-payment-skill AI Skill for OMG Payment Gateway (Taiwanese third-party payment API with credit card, ATM, | 7 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 6,176 tok |
| masaomi/KairosChain_2026 | 7 | Claude Code | 1 | 2,826 tok |
| olegvg/olegvg-skills Claude Code plugin: three-layer knowledge base pattern (sources, summaries, indexes) for a | 7 | Claude Code, Codex, OpenCode | 2 | 1,147 tok |
| JesusJimenezC/pencil-atelier Claude Code plugin for Pencil (.pen) design-quality: analyze, design, audit, and transpile | 7 | Claude Code | 1 | 2,640 tok |
| jamestelfer/sandy Sandboxed TypeScript runtime for AI coding agents to query AWS — full SDK access with in-s | 7 | Claude Code, Codex, OpenCode | 2 | 1,744 tok |
| 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 | 2,618 tok |
| CarolaneLFBV/ios-development-agents Ultra-granular iOS development for AI agents (1 plugin = 1 job) | 7 | Claude Code, Codex, OpenCode | 2 | 367 tok |
| fredcamaral/drawers OpenCode plugins porting Claude Code's background agents and Workflows — Bun workspace mon | 7 | Claude Code | 2 | — |
| 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, Codex, OpenCode | 2 | 248 tok |
| mrlesmithjr/claude-context-manager Claude Code plugin for persistent memory across sessions | 7 | Claude Code | 1 | 7,210 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 | 2,556 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 | 499 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 |
| 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 |
| 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 |
| fenxer/steam-review-mcp Get reviews from Steam store | 7 | Cursor | 1 | — |
| slbug/claude-ruby-grape-rails Claude Code plugin for Ruby, Rails, Grape, PostgreSQL, Redis, and Sidekiq development | 7 | Claude Code, GitHub Copilot | 6 | 17,100 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 Open-source Claude Code plugin: AI delivery pipeline — plan epics/stories/tasks, build wit | 7 | Claude Code | 1 | 7,170 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 |
| 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 | Codex, OpenCode | 1 | 301 tok |
| jidzhang/mcp-fileencoding An MCP server that solves garbled text when AI coding assistants read and write GBK/GB1803 | 7 | Claude Code | 1 | 4,280 tok |
| bastos/skills My own collection of skills | 7 | Claude Code, Codex, OpenCode | 2 | 993 tok |