22,145 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 agents7,571Claude Code6,627Data and AI3,684Backend and APIs3,492Languages3,401Planning3,221Git and workflow3,179Code review2,740Testing2,368Memory and context2,365Writing and docs2,309DevOps and cloud2,308Research2,298Frontend2,256Security2,015Productivity1,715
All Claude Code31,984 Codex23,196 OpenCode22,145 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,736 Windsurf133 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| MHW888888/aegisloop Open-source local policy, recovery, and audit layer for explicit Codex execution. | 20 | Codex, OpenCode | 1 | 224 tok |
| DataZooDE/erpl-adt erpl.io CLI and MCP server for the SAP ADT REST API — search, read/write ABAP source, run tests, m | 20 | Claude Code, Codex, OpenCode | 2 | 6,802 tok |
| nokia/mcp-redfish | 20 | Codex, GitHub Copilot, OpenCode | 2 | 4,668 tok |
| doodledood/claude-code-plugins A curated marketplace of Claude Code plugins for agentic development workflows, featuring | 20 | Claude Code, Codex, OpenCode | 5 | 3,092 tok |
| topos-sh/topos topos.sh Behavior sharing for AI agents in teams — the topos CLI + self-hostable plane keep every a | 20 | Claude Code, Codex, OpenCode | 2 | 1,503 tok |
| netresearch/skill-repo-skill netresearch.github.io Agent Skill guide for structuring skill repositories - multi-channel distribution | Claude | 20 | Codex, OpenCode | 1 | 2,130 tok |
| GGbond-bo/MemOmics-Agent Autonomous research Agent for bioinformatics: 300+ bioinformatics skills, persistent R/Pyt | 20 | Codex, OpenCode | 1 | 810 tok |
| HWYD/ai-mind An AI Native Runtime Skeleton that continuously evolves by version. It starts with a local | 20 | Claude Code, Codex, OpenCode | 17 | 3,169 tok |
| TakaGoto/rag-learning-academy A structured, multi-agent Claude Code learning environment for mastering Retrieval-Augment | 20 | Claude Code, Codex, OpenCode | 47 | 3,377 tok |
| coyaSONG/youtube-mcp-server smithery.ai Citation-ready YouTube research for AI agents — transcript search, exact timestamp links, | 20 | Claude Code, Codex, OpenCode | 2 | 1,611 tok |
| Echoer009/Nion AI companion + task manager · nags you so you don't forget | 20 | Codex, OpenCode | 2 | 2,432 tok |
| BoxLogoDev/sapstack Universal SAP skills and agents for Claude Code — FI, CO, TR, MM, SD, PP, HCM, SFSF, ABAP, | 20 | Claude Code, Codex, GitHub Copilot, Kiro, OpenCode, Windsurf | 11 | 14,979 tok |
| EndeavorYen/chrome-cdp-ex endeavoryen.github.io Attach a coding agent to the Chrome/Edge/Electron tab you already have open. Cookies stay. | 20 | Claude Code, Codex, OpenCode | 2 | 1,192 tok |
| Kminer2053/demo-video-skill Demo videos created by coding agents — properly showcase your vibe coding results. | 20 | Codex, GitHub Copilot, OpenCode | 2 | 1,441 tok |
| lestrrat-ai/claude-code-plugins | 20 | Claude Code, Codex, OpenCode | 2 | 4,025 tok |
| davisjam/model-based-agentic-software-engineering davisjam.github.io Book, website, and skills for MAGE: the Model-Based Agentic Software Engineering framework | 20 | Claude Code, Codex, OpenCode | 2 | 6,439 tok |
| machinavitalis/jaxonomy py.jaxonomy.com JAX-native simulation engine for hybrid dynamical systems — block-diagram modeling, ODE/DA | 20 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 2,254 tok |
| SkyShannonProver/shannon-prover skyshannonprover.github.io LLM agents that write machine-checked cryptographic proofs in EasyCrypt (arXiv:2607.02847) | 20 | Claude Code, Codex, OpenCode | 4 | 2,653 tok |
| SamG-Coder/ThreeBrowserStudio LLM-first Three.js WebGPU scene and animation authoring with a persistent native viewport | 20 | Codex, OpenCode | 1 | 397 tok |
| zgbrenner/agentcounsel zgbrenner.github.io Open-source, AI-agnostic skills for legal teams. | 20 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 3,839 tok |
| cq27-dev/rag-rat rag-rat.cq27.dev Local repo-intelligence index + MCP server: semantic search, symbol/graph navigation, impa | 20 | Claude Code, Codex, OpenCode | 7 | 2,974 tok |
| Kashkovsky/threadnote threadnote.io Local-first engineering memory and large-scale polyglot graph search for Codex, Claude, Cu | 20 | Codex, OpenCode | 1 | 1,683 tok |
| EodHistoricalData/EODHD-MCP-Server EODHD MCP Server for AI assistants | 20 | Claude Code, Codex, OpenCode | 2 | 2,762 tok |
| m0nkmaster/msteams-mcp Microsoft Teams MCP Server using standard user sign in flows. | 20 | Codex, OpenCode | 1 | 4,416 tok |
| ExaDev/agent-comms Cross-harness communication mesh for LLM agents. Rooms, DMs, presence, and visibility. | 20 | Claude Code, Codex, OpenCode | 2 | 4 tok |
| GAJETOso/financeskills AI-powered skills for financial professionals. Comprehensive collection of finance, accoun | 20 | Claude Code, Codex, OpenCode | 2 | 1,966 tok |
| jdguggs10/flaim flaim.app Fantasy Sports MCP Platform | 20 | Claude Code, Codex, OpenCode | 5 | 1,153 tok |
| j0hanz/filesystem-mcp A local filesystem MCP server that lets LLMs and AI agents read, write, search, diff, patc | 20 | Claude Code, Codex, OpenCode | 2 | 164 tok |
| vincentmumme/personalos-boilerplate mummentum.de Open-Source-Boilerplate für PersonalOS: Markdown-basierte Systemlogik, Templates und lokal | 20 | Codex, OpenCode | 1 | 691 tok |
| genged/capshelf Shared Agent Configuration tool, share skills, configs and mcps across multiple projects | 20 | Claude Code, Codex, OpenCode | 3 | 2,744 tok |
| shkyyy18/mi_fitness_data_bridge A local-first Xiaomi fitness and health data bridge: export your own Mi Home data to SQLit | 20 | Codex, OpenCode | 1 | 1,026 tok |
| zach-blumenfeld/knowledge-index The Graph Search Engine for Your Knowledge Base | 20 | Claude Code, Codex, OpenCode | 2 | 4,035 tok |
| honra-io/drizzle-best-practices | 20 | Claude Code, Codex, OpenCode | 2 | 820 tok |
| mslavov/shelly-forge Shelly Forge is a TypeScript framework and CLI tool for developing, testing, and deploying | 20 | Claude Code, Codex, OpenCode | 10 | 775 tok |
| majiayu000/claude-skill-registry-data Raw skills archive data for the Claude skill registry | 20 | Claude Code, Codex, OpenCode | 2 | 599 tok |
| manakuro/asana-clone-app asanacloneapp.codelly.dev Asana clone app | 20 | Claude Code, Codex, OpenCode | 6 | 1,846 tok |
| FastEndpoints/Documentation fast-endpoints.com Documentation website source code for FastEndpoints. | 20 | Codex, OpenCode | 1 | 650 tok |
| louisbrulenaudet/monorepo-template A concise, AI native and production-grade starter template for full-stack applications usi | 19 | Claude Code, Codex, OpenCode | 6 | 5,421 tok |
| amanayayatu-tech/ksana A localized, native AI investment research and decision-making system. It is designed to s | 19 | Codex, OpenCode | 1 | 665 tok |
| Falkicon/Mechanic In-game development hub for World of Warcraft addon developers. Centralizes debugging, tes | 19 | Claude Code, Codex, OpenCode | 27 | 3,242 tok |
| PandaNePanda/notioncode_mcp t.me MCP that allows you to use top-tier LLM's, such as GPT-5.6 and Fable 5, in any IDE via Not | 19 | Codex, OpenCode | 1 | 553 tok |
| kormium/kormium A type-safe, reflection-free Kotlin Multiplatform ORM / SQL DSL for server and client. On | 19 | Codex, OpenCode | 1 | 5,379 tok |
| ehsanghaffar/einbiogpt bio.eindev.ir An intelligent web application built with Next.js, Tailwind CSS, and OpenAI's GPT models. | 19 | Codex, GitHub Copilot, OpenCode | 2 | 2,000 tok |
| xTeardx/diaphora-mcp MCP server for automated binary diffing. | 19 | Claude Code, Codex, OpenCode | 2 | 1,258 tok |
| Kpoiut/ruleblast kpoiut.github.io Git diff for AI agent repository instructions. Shows the blast radius of AGENTS.md and CLA | 19 | Claude Code, Codex, OpenCode | 3 | 359 tok |
| hxreborn/waybar-claude-code A lightweight Waybar custom module that displays Claude Code usage metrics | 19 | Claude Code, Codex, OpenCode | 2 | 2,384 tok |
| fall-out-bug/sdp Structured protocol for AI-assisted development. Discovery → Delivery → Evidence. | 19 | Claude Code, Codex, Cursor, OpenCode | 7 | 1,314 tok |
| PyModel/claude-architect Claude Code delegates coding to isolated CLI agents it doesn't trust (Codex, OpenCode, Pi, | 19 | Claude Code, Codex, OpenCode | 3 | 4,151 tok |
| sabir-gbs/the-polyglot-protocol A senior-engineer protocol for polyglot code generation, architecture, testing, security, | 19 | Codex, OpenCode | 1 | 63 tok |
| rodolfochicone/rc-project rodolfochicone.dev Plugin de skills e agentes para Claude Code workflows de engenharia reais, do PRD ao PR | 19 | Claude Code, Codex, OpenCode | 2 | 3,024 tok |