43,750 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 agents7,690Claude Code6,656Data and AI3,669Backend and APIs3,506Languages3,395Planning3,227Git and workflow3,219Code review2,753Testing2,387Memory and context2,368Writing and docs2,331DevOps and cloud2,317Research2,292Frontend2,266Security2,036Productivity1,725
All Claude Code31,992 Codex23,401 OpenCode22,346 GitHub Copilot3,564 Gemini CLI1,917 Cursor1,741 Windsurf146 Kiro83
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| zyeri/claude-snapshot Back up, restore, and diff your Claude Code configuration across machines and OSes — secre | 1 | Claude Code | 1 | 3,894 tok |
| Langerrr/distributed-architect A reasoning framework plugin for Claude Code that helps LLMs catch distributed system bugs | 1 | Claude Code | 1 | 1,207 tok |
| odere-pro/claude-aws-architect Claude Code plugin for AWS Well-Architected SDLC — multi-agent system design grounded agai | 1 | Claude Code | 1 | 1,160 tok |
| mrzeszowski/claude-code-keep-alive Claude Code plugin that prevents your machine from sleeping during long-running sessions | 1 | Claude Code | 1 | 1,307 tok |
| Miracle-Aligner/job-search-hq An agent-maintained job-search CRM — one JSON board, a self-contained static viewer, and C | 1 | Claude Code | 1 | 1,288 tok |
| minusblindfold/devloop A Claude Code plugin that structures AI-assisted development into research, planning, desi | 1 | Claude Code | 1 | 361 tok |
| costajohnt/oss-scout npmjs.com Find open source issues personalized to your contribution history. Three-strategy search, | 1 | Claude Code | 1 | 1,882 tok |
| rsanandres/atlas_mcp A Model Context Protocol (MCP) server exposing healthcare AI tools for RAG-powered clinica | 1 | Claude Code | 1 | 1,240 tok |
| kylebrodeur/mcp-network-analyzer MCP server for intelligent browser network capture, API analysis, and pattern discovery | 1 | GitHub Copilot | 1 | 415 tok |
| eliransu/digital-brain Claude + Obsidian knowledge companion. A persistent, compounding wiki vault based on Karpa | 1 | Claude Code, GitHub Copilot | 1 | 711 tok |
| kouko/redshift-comment-mcp | 1 | Claude Code | 1 | 1,286 tok |
| Ohswedd/praxis A quality harness for Claude Code. Routes any prompt into spec → plan → implement → advers | 1 | Claude Code | 1 | 1,254 tok |
| husniadil/ekstend Ekstend your Claude Code with community plugins | 1 | Claude Code, Codex, OpenCode | 2 | 1,594 tok |
| fernandogarzaaa/chimeralang-mcp ChimeraLang MCP Server — probabilistic types, consensus gates, and hallucination detection | 1 | Claude Code, Codex, OpenCode | 9 | 3,193 tok |
| vaayne/omni-fs-mcp omni-fs-mcp is an MCP server that supports managing multiple types of file systems, such a | 1 | Claude Code | 1 | 414 tok |
| leaf76/lazy_mobile_mcp npmjs.com Local MCP server for Android/iOS mobile automation and performance telemetry via ADB, simc | 1 | Codex, OpenCode | 1 | 2,621 tok |
| KTCrisis/arch7 MCP server for architecture diagrams — generates Excalidraw files with GCP, Kong, Confluen | 1 | Claude Code | 1 | 1,328 tok |
| webmaxru/ai-native-dev webmaxru.github.io Plugin marketplace for AI-native development agent skills | 1 | Codex, OpenCode | 1 | 507 tok |
| VXNTedits/fusion360-mcp-periscope PERISCOPE — Read-only Fusion 360 MCP: an Autodesk add-in for Claude, Codex, & Co. | 1 | Codex, OpenCode | 1 | 1,158 tok |
| vineetu/simple-host simple-host.app Deploy websites to simple-host.app from your coding agent (Claude Code, Codex, Cursor) — o | 1 | Claude Code, Codex, OpenCode | 2 | 2,652 tok |
| uchimata2/htmldeck A Claude Code plugin for presentations that don't look generated. You get one HTML file th | 1 | Claude Code | 1 | 3,003 tok |
| nolte/claude-home-assistant nolte.github.io Claude Code skills and agents for Home Assistant development — custom integrations, Lovela | 1 | Claude Code | 2 | 657 tok |
| barakgut/lore Claude Code plugin that turns any file you drop in a folder into a persistent, interlinked | 1 | Claude Code | 1 | 202 tok |
| lucyfengcl-art/video-prep Clean up raw video clips before editing: cut silence, transcribe subtitles (any language, | 1 | Codex, OpenCode | 1 | 304 tok |
| tslateman/duet Developer plugin for Claude Code — slash commands, agents, and workflow tools | 1 | Claude Code | 2 | 1,174 tok |
| clever-cc-plugins/cc-config Two Claude Code skills for setting up and maintaining a best-practice Claude Code configur | 1 | Claude Code | 4 | 731 tok |
| johnrucnapier-sketch/ACGM-for-Claude-Code ACGM (Agent Coding Governance Methodology) for Claude Code — drift control for long-horizo | 1 | Claude Code | 1 | 828 tok |
| enalbenerraw/blanewarrene Blane's AI PM Repository | 1 | Claude Code, Codex, OpenCode | 2 | 3,300 tok |
| tuannv0069/claude-doc-genome One-shot Claude Code plugin to bootstrap an AI-agent documentation system (CLAUDE.md + rul | 1 | Claude Code | 1 | 1,431 tok |
| felipeelias/claude-marketplace Personal Claude Code plugin marketplace | 1 | Claude Code | 1 | 232 tok |
| damionrashford/RivalSearch-Plugin Claude Code Plugin with AI research agent skills powered by MCP. 10 MCP tools, 5 agent ski | 1 | Claude Code | 1 | 1,977 tok |
| rayapatiranjithai/prompt-analyzer Live prompt-quality coaching for Claude Code — scores your prompts against documented prom | 1 | Claude Code | 1 | 1,249 tok |
| jtprogru/bear-skills Multi-domain collection of rules, skills, and agents for Claude Code: Obsidian PKB, Git wo | 1 | Codex, OpenCode | 1 | 3,352 tok |
| runnithan/claudex-setup Portable Claude Code and Codex configuration: slash commands, subagents, hooks, skills, an | 1 | Claude Code, Codex, OpenCode | 2 | 3,026 tok |
| teachskillofskills-ai/ContentForge-techshu techshu.ai Editorial pipeline for TechShu delivery teams - research, fact-check, draft, humanize, del | 1 | Codex, OpenCode | 1 | 1,843 tok |
| monahright467/harness-books Explore harness engineering books for building bounded, accountable code workflows in term | 1 | Claude Code, Codex, OpenCode | 2 | 913 tok |
| developer239/michals-opencode-cookbook The only harness skeleton you will ever need. | 1 | Codex, OpenCode | 1 | 3,324 tok |
| SWHee/diffscope Auto-explains what your coding agent just changed — change map, behavior diff, and Python | 1 | Claude Code | 1 | 1,711 tok |
| NamrataAShettar/claude-sethu 🔌 A Claude Code plugin to run terminal commands right in the prompt box: see the output y | 1 | Claude Code | 1 | 2,116 tok |
| Tespera/alluvium Auto-archive Claude Code sessions to your Obsidian vault as a Karpathy-style LLM wiki. Pas | 1 | Claude Code, Codex, OpenCode | 5 | 3,383 tok |
| lonexreb/morningstar MorningStar - autonomous coding agent for Claude Code. Turns Notion and Jira PRDs into shi | 1 | Claude Code | 1 | 1,018 tok |
| mulkatz/anvil Adversarial thinking plugin for Claude Code. Stress-test ideas through structured debates. | 1 | Claude Code | 1 | 1,139 tok |
| Aimeerrhythm/enterprise-change-workflow Claude Code plugin for structured change management — risk classification (P0-P3), multi-d | 1 | Claude Code | 1 | 265 tok |
| zircote/latex-lsp Claude Code plugin for LaTeX development with texlab LSP and chktex hooks | 1 | Claude Code | 1 | 447 tok |
| xzawed/claude-grok-build-plugin A Claude Code plugin (MCP-server wrapper) that lets Claude delegate coding tasks to xAI's | 1 | Claude Code | 1 | 12,385 tok |
| zircote/vue-lsp Claude Code plugin for Vue.js development with Volar LSP and eslint-plugin-vue hooks | 1 | Claude Code | 1 | 367 tok |
| ReviewToolkits/cpython-security-toolkit A Claude Code plugin for finding semantic security flaws in CPython's standard library — a | 1 | Claude Code | 1 | 893 tok |
| shenchangmin/cairnkit A knowledge-precipitation harness for Claude Code and Codex — the workflow is the pipe, kn | 1 | Claude Code, Codex, OpenCode | 2 | 3,846 tok |
| pokurin123/ClaudeCodotchi A Claude Code plugin that turns your response time into a virtual pet. Respond fast and wa | 1 | Claude Code | 4 | — |
| bitqs/Slime slime-arena-demo.shuangqu.workers.dev ⚔️ Turn your real Claude Code session into a turn-based RPG — a statusline HUD + PixiJS ar | 1 | Claude Code, Codex, OpenCode | 2 | 3,202 tok |