3,528 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 agents7,473Claude Code6,589Data and AI3,693Backend and APIs3,491Languages3,403Planning3,201Git and workflow3,131Code review2,731Memory and context2,354Testing2,335DevOps and cloud2,298Research2,288Writing and docs2,284Frontend2,242Security1,995Productivity1,703
All Claude Code32,066 Codex23,211 OpenCode21,984 GitHub Copilot3,528 Gemini CLI1,908 Cursor1,730 Windsurf104 Kiro70
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| tygryso/hypotree pypi.org Memory that forgets: a persistent, self-revising belief-state MCP server and Python API fo | 12 | Claude Code, Codex, GitHub Copilot | 2 | 1,749 tok |
| byh3071-cpu/vhk yohanstudio.co VHK — a Korean CLI that organizes AI coding sessions around goals, evidence, memory, and r | 12 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf | 19 | 12,017 tok |
| 33Audits/cca-audit-agent | 12 | Claude Code, GitHub Copilot | 3 | 2,036 tok |
| ADN-DevTech/acad-api-skill AI agent skills and rules for scaffolding and building AutoCAD, Civil 3D, and Plant 3D .NE | 12 | Claude Code, GitHub Copilot | 2 | 2,615 tok |
| entropy-data/dataproduct-builder-dbt Build data products with dbt and integrate them with Entropy Data — coding-agent plugin (C | 12 | Claude Code, Codex, GitHub Copilot, OpenCode | 2 | 2,201 tok |
| alxpark/propresenter-mcp ProPresenter 7 MCP Server | 12 | GitHub Copilot | 1 | 161 tok |
| jl-cmd/claude-dream Memory consolidation plugin for Claude Code | 12 | Claude Code, GitHub Copilot | 1 | 6,006 tok |
| ensingm2/AI-threat-modeling-rulesets A collection of rule and instruction sets for AI systems such as GitHub copilot and Cursor | 12 | GitHub Copilot, Cursor | 2 | 1,449 tok |
| samibs/skillfoundry skillfoundry.work AI engineering framework with quality gates, persistent memory, and multi-platform support | 12 | Claude Code, Codex, GitHub Copilot, OpenCode | 8 | 9,508 tok |
| Hlgxz/gai Gai is an AI-native Go web full-stack framework that combines Go's simplicity and efficien | 12 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,183 tok |
| aktsmm/skill-ninja-mcp-server MCP Server for Agent Skill Ninja - Search, Install, and Manage Agent Skills | 12 | GitHub Copilot | 1 | 127 tok |
| tosin2013/mcp-codebase-insight | 12 | Claude Code, GitHub Copilot | 6 | 2,118 tok |
| mbeacom/adrkit adrkit.dev Machine-readable architecture decision records. Git-native decision memory and governance | 12 | Claude Code, Codex, GitHub Copilot, OpenCode | 15 | 6,842 tok |
| ejklock/living-docs-skill Living Docs — a AI agent skill that runs your project's documentation as a living system: | 12 | Claude Code, GitHub Copilot | 5 | 3,295 tok |
| ianphil/chamber chmbr.dev Genesis Mind Interface — desktop chat UI for Genesis agents | 12 | Claude Code, Codex, GitHub Copilot, OpenCode | 12 | 4,696 tok |
| u9401066/med-paper-assistant u9401066.github.io Auditable MCP + cross-agent harness for autonomous and human-guided academic writing—from | 12 | Claude Code, Codex, GitHub Copilot, OpenCode | 50 | 8,475 tok |
| devfullcycle/mba-ia-dev-workflow | 12 | Claude Code, GitHub Copilot | 14 | 4,948 tok |
| ShothikTest/claude-code-src Claude Code CLI full source — made public 2026-03-31 (github.com/nirholas/claude-code) | 12 | Claude Code, GitHub Copilot | 2 | 1,106 tok |
| sigwl/AiDAPrivate | 12 | Codex, GitHub Copilot, OpenCode | 2 | 6,240 tok |
| ietf-wg-acme/draft-ietf-acme-dns-persist ietf-wg-acme.github.io | 12 | Codex, GitHub Copilot, OpenCode | 2 | 3,775 tok |
| bomly-dev/bomly-cli bomly.dev Free, open-source CLI for dependency intelligence, SBOMs, vulnerability auditing, and CI p | 12 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 17,067 tok |
| ravinperera/ai-token-efficiency-playbook Drop-in instructions, prompts, and workflows to reduce token usage across Codex, Claude Co | 12 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,452 tok |
| chrisgliddon/bevy-skills Unofficial open source AI skills for Bevy, inspired by PixiJS Skills. These skills teach A | 12 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,849 tok |
| sso-ss/vibe-ship-it vibe-ship-it.vercel.app AI skills and agents that help designers vibe-code their ideas to life. 14 skills, 4 agent | 12 | Claude Code, GitHub Copilot | 11 | 2,406 tok |
| modeled-information-format/MIF mif-spec.dev Open standard for portable AI knowledge interchange — JSON-LD + Markdown dual format with | 12 | Claude Code, Codex, GitHub Copilot | 4 | 418 tok |
| ahostbr/kuroryuu-public Kuroryuu - AI Agent Orchestration Platform with Desktop App, MCP Integration, and Docker S | 12 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 608 tok |
| python-discord/king-arthur King Arthur The Terrible is the DevOps helper bot for Python Discord | 12 | GitHub Copilot | 1 | 842 tok |
| ShowTrak/ShowTrakServer showtrak.co.uk Open Source LAN Monitoring | 12 | GitHub Copilot | 1 | 862 tok |
| fatmali/wormhole fatmali.github.io Wormhole MCP: Collaborative AI Workflow Manager🌀 | 11 | Claude Code, Codex, GitHub Copilot | 2 | 1,448 tok |
| reporails/rules Evidence-backed rules for validating AI coding agent instructions. Core rules for structur | 11 | Claude Code, GitHub Copilot | 2 | 4,467 tok |
| dryvist/nix-ai Your AI coding toolkit, declared in Nix — Claude, Gemini, Copilot, 15+ MCP servers, one fl | 11 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,492 tok |
| angrysky56/emotion_ai The Aura Emotion AI system has chroma with a local embedding model, memvid qr code mp4 inf | 11 | Claude Code, GitHub Copilot | 2 | 5,893 tok |
| CyannSHI/ai-interview-kit Engineer user-research methodologies into AI prompts — professional-grade phone interviews | 11 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 911 tok |
| Fortytude/TokenDiet tokendiet.dev | 11 | GitHub Copilot | 1 | 415 tok |
| schemacrawler/SchemaCrawler-AI Free database schema discovery and comprehension tool | 11 | Codex, GitHub Copilot, OpenCode | 2 | 1,257 tok |
| caiowilson/MCP-memento Local-first MCP server that gives AI agents durable repo memory and fast semantic code con | 11 | GitHub Copilot | 1 | 637 tok |
| asrient/HomeCloud asrient.github.io Easiest way to access your devices and AI agents from anywhere. | 11 | GitHub Copilot | 1 | 2,302 tok |
| omgwtfwow/mcp-crawl4ai-ts TypeScript implementation of an MCP server for Crawl4AI. Provides tools for web crawling, | 11 | GitHub Copilot | 1 | 1,163 tok |
| kurone-kito/idd-skill 🤖 An automated setup kit for implementing loop engineering based on issue-driven developm | 11 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 23 | 98,686 tok |
| madeindigio/remembrances-mcp madeindigio.github.io A multimodal memory MCP server for made that your AI assistant learn from you and itself. | 11 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 675 tok |
| elbruno/ElBruno.MempalaceNet MemPalace.NET — local-first AI memory in .NET (port of MemPalace) | 11 | Claude Code, Codex, GitHub Copilot | 5 | 2,605 tok |
| badrshs/scribe-ai badrshs.github.io Automated content pipeline for Laravel. Scrape → AI rewrite → generate image → publish to | 11 | GitHub Copilot | 1 | 1,680 tok |
| sane-apps/SaneProcess saneapps.com Workflow guardrails for coding agents and LLM-assisted development: AGENTS.md, native hook | 11 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 4,998 tok |
| klodr/mercury-invoicing-mcp Mercury Banking MCP server with full Invoicing API support. Read accounts/transactions and | 11 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,523 tok |
| hugefiver/OAI2LMApi marketplace.visualstudio.com OpenAI to Language Model API Bridge - Use OpenAI-Compatible API in Copilot - [VScode Exten | 11 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 4,748 tok |
| microsoft/Build26-DEM341-any-agent-any-cloud-standardized-tracing-with-foundry-and-opentelemetry build.microsoft.com Demo walkthrough and sample code for standardized multi-agent observability across clouds | 11 | Codex, GitHub Copilot, OpenCode | 2 | 1,029 tok |
| simonlpaige/commonweave simonlpaige.com An open-source blueprint for the peaceful transition to a post-scarcity, ecologically sust | 11 | Codex, GitHub Copilot, OpenCode | 2 | 1,827 tok |
| lucab85/Claude-Code-Bootcamp Claude Code Extended: Build 10 Real-World Projects with Claude Code | 11 | Claude Code, GitHub Copilot | 20 | 131 tok |
| Azure/sap-automation-bootstrap Bootstrap repo for SDAF | 11 | Claude Code, GitHub Copilot, Gemini CLI | 3 | 568 tok |
| neverinfamous/db-mcp search.adamic.tech Secure Database MCP Server featuring a V8 Isolate Code Mode sandbox that unifies 181+ tool | 11 | GitHub Copilot | 1 | 1,088 tok |