23,733 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 agents8,505Claude Code6,886Git and workflow3,611Data and AI3,580Backend and APIs3,556Languages3,487Planning3,327Code review2,899Testing2,686Writing and docs2,480DevOps and cloud2,479Memory and context2,375Research2,323Frontend2,308Security2,172Project management1,965
All Claude Code32,517 Codex24,815 OpenCode23,733 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,770 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| ntppool/monitor monitoring agent for the NTP Pool | 22 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 6,414 tok |
| brifl/coding-agent-orchestration Unifying prompt, context, skill, and process management for Claude, Gemini, and Codex. | 22 | Codex, OpenCode | 10 | 2,470 tok |
| adrielp/ai-engineering-harness Provides a harness for various different AI agent for harness context engineering | 22 | Claude Code, Codex, OpenCode | 2 | 2,852 tok |
| tbvjvsladla/easy_vllm_simulator | 22 | Claude Code, Codex, OpenCode | 9 | 6,179 tok |
| bezhai/chiwei-platform | 22 | Claude Code, Codex, OpenCode | 9 | 1,702 tok |
| hamanpaul/serialwrap UART console tool for AI. | 22 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 12 | 10,989 tok |
| GerritCodeReview/gerrit-mcp-server gerrit.googlesource.com MCP server for interacting with the Gerrit code review system - (mirror of https://gerrit. | 22 | Codex, OpenCode | 1 | 1,853 tok |
| ariklapid/pyslang-mcp pyslang-mcp is a read-only Model Context Protocol server for compiler-backed Verilog and S | 22 | Codex, OpenCode | 1 | 1,439 tok |
| pyck-ai/pyck-oss pyck.ai An Open-Source warehousing framework, engineered for the AI era | 22 | Codex, OpenCode | 1 | 817 tok |
| MylesBorins/athanor personal LLM alchemy | 22 | Codex, OpenCode | 1 | 4,837 tok |
| bb8ad8/addroid-oss AdDroid OSS — self-hostable, GitOps-driven Meta ad operations console. | 22 | Codex, OpenCode | 1 | 701 tok |
| ekbatan-io/ekbatan ekbatan-io.github.io Modern Java persistence framework for Event-driven systems. Built-in outbox pattern. Atomi | 22 | Claude Code, Codex, OpenCode | 5 | 18,703 tok |
| officialzeroxyz/zero-plugins | 22 | Claude Code, Codex, OpenCode | 2 | 519 tok |
| linuxfoundation/lfx-mcp LFX MCP (Model Context Protocol) Server | 22 | Claude Code, Codex, GitHub Copilot, OpenCode | 12 | 11,788 tok |
| opensupplyhub/open-supply-hub | 22 | Claude Code, Codex, OpenCode | 24 | 1,404 tok |
| DiegoFleitas/letterboxd-movie-justwatch movie-justwatch.fly.dev Scan a Letterboxd watchlist and see what's streaming in your country. Without JustWatch re | 22 | Claude Code, Codex, OpenCode | 3 | 4,360 tok |
| nirholas/analyze-ethereum-address three.ws Analyze Efficient Ethereum Addresses | 22 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 616 tok |
| analyticalmonk/explain-this An agentic skills framework for creating interactive HTML explainers for a topic, document | 22 | Claude Code, Codex, OpenCode | 2 | 2,005 tok |
| mshadmanrahman/pm-pilot Product management workflows for Claude Code: evidence-led briefs, discovery, and everyday | 22 | Claude Code, Codex, OpenCode | 2 | 1,213 tok |
| anthony-chaudhary/dos-kernel pypi.org Catch your AI agents when they lie about what they shipped — verifies claims against git i | 22 | Claude Code, Codex, Gemini CLI, OpenCode | 11 | 8,806 tok |
| GobbyAI/gobby The bottleneck in AI coding isn't the model: It's the babysitting. Gobby is a local daemon | 22 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 10,800 tok |
| standardbeagle/agnt dev.standardbeagle.com MCP Server for Development Tooling - Project Detection, Process Management, and Reverse Pr | 22 | Claude Code, Codex, OpenCode | 10 | 2,375 tok |
| yang3kc/daily_arxiv_digest Daily digest of interesting arXiv papers — an unattended LLM pipeline for cron, plus a zer | 22 | Claude Code, Codex, OpenCode | 2 | 1,848 tok |
| gaia-research/gaia-skill-tree gaiaskilltree.com Gaia is a living, open registry of every AI agent skill — structured as a leveling skill g | 22 | Claude Code, Codex, OpenCode | 7 | 12,917 tok |
| a-tokyo/aiworkspace 🧑💻 Set up and manage AI agent skills and configs for Cursor, Claude Code, Codex and mor | 22 | Claude Code, Codex, OpenCode | 6 | 391 tok |
| SihyunAdventure/dubyduby Dub any YouTube video into Korean — agent-based, with two-person voices and subtitles. Son | 22 | Claude Code, Codex, OpenCode | 2 | 2,810 tok |
| acedergren/oci-agent-skills Oracle Cloud Infrastructure operations plugin with intelligent agent skills for managing c | 22 | Claude Code, Codex, OpenCode | 2 | 1,008 tok |
| Hiroki-org/jules-extension marketplace.visualstudio.com VSCode extension for google Jules API | 22 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 3,767 tok |
| Horosheff/excalibur-blog-cloud-public A Cursor automation plugin for blogging: an SEO/GEO pipeline using subagents, visuals, QA, | 22 | Claude Code, Codex, Cursor, OpenCode | 24 | 1,751 tok |
| aiproxer/aiproxer Any agent. Any model. Your subscriptions. One proxy. | 22 | Claude Code, Codex, Kiro, OpenCode | 64 | 14,985 tok |
| netresearch/skill-repo-skill netresearch.github.io Agent Skill guide for structuring skill repositories - multi-channel distribution | Claude | 22 | Codex, OpenCode | 1 | 1,911 tok |
| panbanda/omen panbanda.github.io SAST intelligence for AI agents. Complexity, hotspots, blast radius, and tech debt analysi | 22 | Claude Code, Codex, OpenCode | 2 | 3,061 tok |
| asa-degroff/Porrima porrima.cc A self-hosted, memory-native AI agent framework and cross-platform GUI application. | 22 | Claude Code, Codex, OpenCode | 2 | 6,283 tok |
| EndeavorYen/chrome-cdp-ex endeavoryen.github.io Attach a coding agent to the Chrome/Edge/Electron tab you already have open. Cookies stay. | 22 | Codex, OpenCode | 1 | 1,829 tok |
| machinavitalis/jaxonomy py.jaxonomy.com JAX-native simulation engine for hybrid dynamical systems — block-diagram modeling, ODE/DA | 22 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 2,254 tok |
| kylehughes/writing-prose-like-a-human-for-agents A skill and subagent that help AI agents write and edit prose that doesn't read like AI. | 22 | Claude Code, Codex, OpenCode | 2 | 558 tok |
| bigduu/Bamboo-agent Bamboo — a local-first Rust agent harness and runtime with sessions, tools, skills, MCP, s | 22 | Claude Code, Codex, OpenCode | 2 | 2,398 tok |
| TerminallyLazy/Tree-Ring-Memory terminallylazy.github.io Framework-agnostic, local-first memory lifecycle for AI agents: Rust CLI, SQLite/FTS recal | 22 | Codex, OpenCode | 1 | 1,038 tok |
| getcargohq/cargo-skills getcargo.ai GTM engineering skills for AI coding agents — build lead lists, find & verify emails, wate | 22 | Claude Code, Codex, OpenCode | 2 | 327 tok |
| databricks-solutions/ai-platform-kit AI-powered Databricks platform engineering — provision workspaces, configure Unity Catalog | 22 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 1,603 tok |
| star-ga/mind-mem mindlang.dev Persistent AI memory for Claude Code, OpenClaw, and any MCP-compatible agent. BM25F + vect | 22 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 5,997 tok |
| AdamGustavsson/ClaimsMCP An MCP server that extracts claims from a text | 22 | Codex, OpenCode | 1 | 4,064 tok |
| tripsyapp/cli tripsy.help Tripsy CLI and MCP server for planning trips and managing itineraries, stays, transportati | 22 | Codex, Gemini CLI, OpenCode | 2 | 3,902 tok |
| ThinkingAIAgenticEngine/ae-cli CLI tool for ThinkingAI AgenticEngine (AE) platform. Designed for both AI Agent and human | 22 | Codex, OpenCode | 1 | 4,328 tok |
| shir-danishyar/humanize Agent skill that removes documented AI-writing patterns — two modes, register awareness, v | 22 | Codex, OpenCode | 1 | 277 tok |
| skein-js/skein-js skein.js.org Open-source alternative to LangGraph Platform for TypeScript — self-host your LangGraph.js | 22 | Claude Code, Codex, OpenCode | 4 | 4,730 tok |
| Mnemosyne-OS/Mnemosyne-Neural-OS mnemosyne-os.io A control room for AI memory. Your files and conversations become searchable memory any mo | 22 | Codex, OpenCode | 1 | 2,060 tok |
| buldezir/Herdglass Native macOS GUI client for remote Herdr servers, with a GPU terminal via libghostty | 22 | Codex, OpenCode | 1 | 19,454 tok |
| LKQ667/metamath-harness DeepSeek Harness 0.1.1-rc.2 mathematical modeling enhancement suite: external plugins + Pr | 22 | Codex, OpenCode | 1 | 630 tok |
| narumiruna/kestrel Android mock GPS app — lock your device location to any coordinate, play back a route auto | 22 | Codex, OpenCode | 1 | 2,595 tok |