Building agents

8,442 projects whose own agent configuration covers building agents. These are not mods to install — they are how the maintainers of these repositories tell an agent what to do, and what to avoid.

All projects Claude Code6,875Data and AI3,584Git and workflow3,574Backend and APIs3,550Languages3,468Planning3,315Code review2,876Testing2,653DevOps and cloud2,462Writing and docs2,461Memory and context2,373Research2,315

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro

ProjectStarsConfiguresFilesAlways loaded
Mibayy/token-savior mibayy.github.io MCP server that gets Claude to 97.9% (188/192) on a real coding benchmark at -80% active t 1,207 Claude Code, Codex, OpenCode 2 3,006 tok
dermotduffy/advanced-camera-card card.camera A comprehensive camera card for Home Assistant 1,206 Claude Code, Codex, Gemini CLI, OpenCode 4 9 tok
fcakyon/claude-codex-settings claudesettings.com Battle-tested Claude Code, OpenAI Codex, Cursor configs, plugins, hooks and agents with Ki 1,200 Claude Code, Codex, OpenCode 5 5,944 tok
jerry-ai-dev/MODULAR-RAG-MCP-SERVER A modular RAG (Retrieval-Augmented Generation) system with MCP Server architecture. Using 1,197 Claude Code, Codex 9 —
cognizant-ai-lab/neuro-san-studio decisionai.ml A playground for neuro-san 1,194 Claude Code, Codex, OpenCode 2 1,636 tok
johnpapa/vscode-peacock Subtly change the color of your Visual Studio Code workspace. Ideal when you have multiple 1,192 Claude Code, Codex, GitHub Copilot, OpenCode 3 6,358 tok
deanpeters/product-manager-prompts A repository of Generative AI prompts for product managers using agents such as ChatGPT, C 1,191 Claude Code, Codex, OpenCode 2 5,704 tok
sipyourdrink-ltd/bernstein bernstein.run The open-source governance layer for AI agents: write the rules declaratively, Bernstein e 1,190 Claude Code, Codex, GitHub Copilot, OpenCode 3 3,236 tok
daangn/seed-design seed-design.io SEED Design System 1,186 Claude Code, Codex, OpenCode 10 1,684 tok
AgriciDaniel/banana-claude AI image generation skill for Claude Code - Creative Director powered by Gemini 1,184 Claude Code 1 1,706 tok
fetchai/innovation-lab-examples innovationlab.fetch.ai 80+ production-ready AI agent examples in Python — build autonomous agents, multi-agent sy 1,170 GitHub Copilot 4 434 tok
withkynam/vibecode-pro-max-kit Your AI forgets. This remembers. Spec-driven coding harness for vibecoders, product owners 1,165 Claude Code, Codex, OpenCode 56 15,545 tok
diffblue/cbmc diffblue.github.io C Bounded Model Checker 1,162 Codex, OpenCode 1 7,198 tok
lee-to/ai-factory aif.cutcode.dev You want to build with AI, but setting up the right context, prompts, and workflows takes 1,157 Claude Code, Codex, OpenCode 2 12,842 tok
z88dk/z88dk z88dk.org The development kit for over a hundred z80 family machines - c compiler, assembler, linker 1,154 Codex, GitHub Copilot, OpenCode 2 3,284 tok
davis7dotsh/better-context btca.dev A better way to get up to date context on libraries/technologies in your projects 1,151 Claude Code, Codex, OpenCode 3 452 tok
vndee/llm-sandbox vndee.github.io Lightweight and portable LLM sandbox runtime (code interpreter) Python library. 1,144 Claude Code, GitHub Copilot 2 4,844 tok
decodingai-magazine/building-a-coding-agent-from-scratch-course Learn harness engineering by building Claude Code from scratch. Free, open-source course: 1,123 Claude Code, Codex, OpenCode 3 5,643 tok
Human-Agent-Society/CORAL coral.compounding-intelligence.ai Open-source autoresearch powered by autonomous coding agents. Run Claude Code, OpenCode, a 1,122 Claude Code, Codex, OpenCode 6 6,180 tok
microsoft/agentrc Get your repo ready for AI. 1,121 Claude Code, Codex, GitHub Copilot, OpenCode 8 1,310 tok
openclaw/agent-skills Useful skills for agents and claws. 1,116 Codex, OpenCode 1 218 tok
vstorm-co/pydantic-deepagents vstorm-co.github.io Open-source, self-hosted Claude Code - a terminal AI assistant and the Python framework be 1,115 Claude Code 1 4,506 tok
codestable/CodeStable codestable.dev CodeStable is an AI coding workflow for serious software engineering that keeps humans in 1,111 Claude Code, Codex, OpenCode 4 2,188 tok
anthropics/launch-your-agent Claude Code skills that take a founder from idea to a live Claude Managed Agent: interview 1,108 Claude Code 3 2,191 tok
microsoft/Agents aka.ms The Microsoft 365 Agent SDK simplifies building full stack, multichannel, trusted agents f 1,101 GitHub Copilot 1 288 tok
jezweb/claude-skills jezweb.com.au Skills for Claude Code CLI such as full stack dev Cloudflare, React, Tailwind v4, and AI i 1,100 Claude Code 3 1,057 tok
NVIDIA/cuopt docs.nvidia.com GPU accelerated decision optimization 1,099 Codex, GitHub Copilot, OpenCode, Windsurf 3 920 tok
jonwiggins/optio optio.host Workflow orchestration for AI agent swarms. 1,094 Claude Code, Codex, OpenCode 2 16,437 tok
AgentWorkforce/relay agentrelay.com Infrastructure for coding agents 1,094 Claude Code, Codex, Gemini CLI, OpenCode 4 2,404 tok
marcus/sidecar Use sidecar next to CLI agents for diffs, file trees, conversation history, and task manag 1,092 Claude Code, Codex, Gemini CLI, OpenCode 3 4,668 tok
apify/mcpc npmjs.com The most compatible MCP CLI client. Supports: tools, resources, prompts, completions, asyn 1,089 Codex, OpenCode 1 14,249 tok
ArcadeAI/arcade-mcp docs.arcade.dev MCP Server Framework and Tool Development library for building custom capabilities into ag 1,081 Claude Code 3 4,709 tok
takahirom/roborazzi takahirom.github.io Make JVM Android integration test visible 🤖📸 1,080 Codex, OpenCode 1 777 tok
northword/zotero-format-metadata Linter for Zotero. A plugin for Zotero to format item metadata. Shortcut to set title rich 1,079 Codex, OpenCode 1 2,265 tok
marcus/nightshift Nightshift uses your leftover Claude / Codex budget to surprise you with useful PRs. Love 1,075 Claude Code, Codex, OpenCode 2 469 tok
jamro/tiny-engineer A small desktop robot that brings an AI coding assistant to life, physically acting out wh 1,074 Claude Code, Codex, Cursor, OpenCode 39 2,163 tok
marc-shade/world-intel-mcp 160-tool MCP server for real-time global intelligence from free public APIs: markets, liqu 1,064 Claude Code 1 2,836 tok
jarrodwatts/claude-code-config My personal Claude Code configuration - rules, hooks, agents, skills, and commands 1,063 Claude Code 1 4,064 tok
H-mmer/pentest-agents Bug bounty agent framework for Claude Code, Codex, Gemini, Cursor, Windsurf, Copilot, and 1,059 Claude Code, Codex, GitHub Copilot, OpenCode 17 63,845 tok
officecli/officedex officecli.io OfficeDex is the first Al-Native VibeOfficing platform for documents, slides, and spreads 1,056 Claude Code, Codex, OpenCode 2 1,656 tok
borghei/Claude-Skills borghei.github.io 385 AI skills, 76 expert agents, and 906 stdlib Python tools for every team: engineering, 1,051 Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf 9 10,643 tok
w8123/EnterpriseAgentFramework ReachAI enterprise-grade agent development platform: quickly and securely bring AI to exis 1,043 Codex, OpenCode 1 1,147 tok
tong-io/tongflow app.tongflow.com Modality-First GenAI Platform 1,042 Claude Code 1 4,144 tok
disler/super-simple-software-factory youtu.be Repeatable agents-plus-code workflows, packaged as one skill, stamped into any repo. Deter 1,034 Claude Code 1 —
SterlingChin/marvin-template MARVIN is your personal AI assistant that can help you connect to the apps you need and ha 1,024 Claude Code 18 2,792 tok
opentabs-dev/opentabs opentabs.dev Browser automation clicks buttons. OpenTabs calls APIs. 1,014 Claude Code, Codex, OpenCode 5 13,599 tok
MadAppGang/claudish claudish.com Claude Code. Any Model. The most powerful AI coding agent now speaks every language. 1,013 Claude Code, Codex, GitHub Copilot, OpenCode 7 8,797 tok
desplega-ai/agent-swarm agent-swarm.dev Your Company Agentic Operating System 1,012 Claude Code, Codex, OpenCode 8 10,828 tok
Azure-Samples/AI-Gateway aka.ms Labs to explore AI Models, MCP servers, and Agents with the AI Gateway powered by Azure AP 1,008 Claude Code, Codex, OpenCode 8 1,322 tok
jarrodwatts/claude-delegator Delegate tasks to Codex and Gemini directly from within Claude Code. 998 Claude Code 1 1,042 tok