Building agents

4,301 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 Code6,573Data and AI3,706Backend and APIs3,486Languages3,398Planning3,181Git and workflow3,100Code review2,701Memory and context2,354Testing2,311Research2,292DevOps and cloud2,282Writing and docs2,269

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro

ProjectStarsConfiguresFilesAlways loaded
rsmdt/the-startup r16t.com The Agentic Startup - A collection of Claude Code commands, skills, and agents. 513 Claude Code, Codex, OpenCode 2 1,940 tok
nodetool-ai/nodetool nodetool.ai Open-Source Creative AI Workspace 513 Claude Code, Codex, GitHub Copilot, OpenCode 51 19,021 tok
antgroup/vsag vsag.io vsag is a vector indexing library used for similarity search. 507 Claude Code, Codex, GitHub Copilot, OpenCode 4 1,446 tok
duckbugio/flock roost.duckbug.io Autonomous AI dev-team bot 505 Claude Code, Codex, Gemini CLI, OpenCode 4 393 tok
iusztinpaul/designing-real-world-ai-agents-workshop academy.towardsai.net Hands-on workshop: Build a multi-agent AI system from scratch — Deep Research Agent + Writ 504 Claude Code, Codex, OpenCode 24 843 tok
WILLOSCAR/research-units-pipeline-skills Research pipelines as semantic execution units: each skill declares inputs/outputs, accept 504 Codex, OpenCode 1 423 tok
Th0rgal/sandboxed.sh sandboxed.sh Safe runtime for autonomous on-chain AI agents: isolated sandboxes, Library skills, encryp 503 Claude Code, OpenCode 2
PV-Bhat/vibe-check-mcp-server pruthvibhat.com Vibe Check is a tool that provides mentor-like feedback to AI Agents, preventing tunnel-vi 502 Codex, OpenCode 1 420 tok
me2resh/apexyard apexyard.ai Your AI engineering org, governed. Ship agent-built code safely to production. 499 Claude Code, Codex, OpenCode 7 11,601 tok
Kohaku-Lab/KohakuTerrarium terrarium.kohaku-lab.org KohakuTerrarium is a general-purpose AI agent framework and batteries-included app for bui 497 Claude Code, Codex, OpenCode 2 17,134 tok
jbarbier/CLAUDE.md One CLAUDE.md to make your coding agent ship like a senior engineer. Drop-in for Claude Co 496 Claude Code, Codex, OpenCode 2 9,387 tok
risa-labs-inc/BossConsole bossconsole.ai Open-source, multi-platform harness for AI agents - a native, multi-threaded operator's co 487 Claude Code, Codex, OpenCode 2 15,182 tok
Gennadiyev/STS2MCP Full agentic runs for Slay the Spire 2. A mod that exposes in-game state, and the MCP serv 484 Claude Code, Codex, OpenCode 2 820 tok
agentregistry-dev/agentregistry aregistry.ai Fast-track AI innovation with a centralized, trusted, curated registry 484 Claude Code, Codex, GitHub Copilot, OpenCode 3 3,915 tok
lllllllama/RigorPilot-Skills README-first research reproduction skills with bounded execution, auditable evidence, and 484 Claude Code, Codex, OpenCode 5 799 tok
huiliyi37/Tianshu-harness Tianshu (天枢) is a terminal programming Agent runtime based on harness engineering (Tui X G 484 Claude Code, Codex, OpenCode 2 9,364 tok
a2aproject/a2a-java a2aproject.github.io Official Java SDK for the Agent2Agent (A2A) Protocol 483 Claude Code, Codex, OpenCode 5 1,818 tok
Azure-Samples/azure-ai-travel-agents azure-samples.github.io A robust enterprise application sample (deployed on ACA) that leverages MCP and multiple A 482 Codex, GitHub Copilot, OpenCode 2 7,629 tok
different-ai/opencode-scheduler OpenCode plugin for scheduling recurring jobs using launchd (Mac) or systemd (Linux) 482 Codex, OpenCode 1 1,841 tok
xiaods/k8e k8e.sh k8e.sh - OpenSource Agentic AI Sandbox Matrix 481 Claude Code, Codex, OpenCode 2 3,367 tok
ag-grid/ag-charts charts.ag-grid.com AG Charts is a fully-featured and highly customizable JavaScript charting library. The pro 480 Claude Code, Codex, OpenCode 9 1,583 tok
talkcody/talkcody talkcody.com TalkCody - Code is cheap, show me your talk. 🚀 Free Open Source AI Coding Agent. 478 Codex, OpenCode 1 1,908 tok
managedcode/dotnet-skills skills.managed-code.com Installable .NET skill catalog and CLI for Codex, Claude Code, GitHub Copilot, and Gemini. 477 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 4 13,858 tok
davekilleen/Dex Your AI Chief of Staff — a personal operating system starter kit that adapts to your role. 475 Claude Code, Codex, OpenCode 9 10,610 tok
GlitterKill/sdl-mcp Symbol Delta Ledger (SDL-MCP) is a policy-centered context budget layer for coding agents: 471 Claude Code, Codex, OpenCode 5 3,426 tok
vercel-labs/personal-agent-template personal-agent-template.vercel.app Open-source template for a durable personal AI agent — web chat, Slack, Linear, and long-t 464 Claude Code, Codex, OpenCode 2 721 tok
SuperJJ007/CSSwitch Connect your own API to Claude Science with one click: DeepSeek / Qwen / Zhipu GLM / Kimi 459 Claude Code, Codex, OpenCode 5 734 tok
AEON-7/Qwen3.6-27B-AEON-Ultimate-Uncensored-DFlash huggingface.co Fully uncensored, capability-enhanced abliteration of Qwen3.6-27B. NVFP4 + z-lab DFlash sp 458 Codex, OpenCode 1 13,583 tok
tonbistudio/hermes-multi-agent-workflow 457 Codex, OpenCode 1 1,375 tok
ai-driven-dev/framework ai-driven-dev.fr Marketplace Framework AI-Driven Dev : Context Engineering, Plugins, Agents, Skills, Hooks, 455 Claude Code, Codex, OpenCode 4 1,664 tok
SetsunaYukiOvO/x64dbg-mcp MCP server plugin for x64dbg debugger - enables AI agents and external tools to control de 455 Codex, OpenCode 1 1,344 tok
HangYu8123/HarnessFlow Harness coding workflow for codex, claude, github copilot 451 Claude Code, Codex, OpenCode 18 2,605 tok
ZhangHanDong/agent-spec zhanghandong.github.io `agent-spec` is an AI-native BDD/spec verification tool for task execution. 451 Claude Code, Codex, Cursor, OpenCode 4 7,438 tok
Ikalus1988/MisakaNet misakanet.org 📚 A zero-dependency, git-backed micro-lesson library for AI Agents to asynchronously shar 450 Claude Code, Codex, OpenCode 2 1,005 tok
haowjy/creative-writing-skills claude skills focused on creative writing 447 Claude Code, Codex, OpenCode 8 1,586 tok
juyterman1000/entroly juyterman1000.github.io Cut AI context cost without trusting the compressor. Every reduction is reversible, byte-e 443 Claude Code, Codex, Kiro, OpenCode 6 4,412 tok
platformplatform/PlatformPlatform A platform designed for building enterprise-grade, multi-tenant products using Azure, .NET 441 Claude Code, Codex, OpenCode 36 805 tok
cnfjlhj/ai-collab-playbook Practical AI collaboration playbook for research, writing, reading, and coding: article, p 439 Claude Code, Codex, OpenCode 2 3,413 tok
ldclabs/anda anda.ai 🤖 An AI agent framework built with Rust. 439 Codex, OpenCode 1 1,786 tok
leonvanzyl/agentic-coding-starter-kit 438 Claude Code, Codex, OpenCode 27 351 tok
delorenj/mcp-server-trello A Model Context Protocol (MCP) server that provides tools for interacting with Trello boar 437 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 55 4,101 tok
Dicklesworthstone/ntm Named Tmux Manager: spawn, tile, and coordinate multiple AI coding agents (Claude, Codex, 436 Codex, OpenCode 1 10,270 tok
astronomer/agents astronomer.io AI agent tooling for data engineering workflows. 436 Claude Code, Codex, OpenCode 2 790 tok
Nexus-Router/nexus nexusrouter.com Govern & Secure your AI 435 Claude Code, Codex, OpenCode 7 5,596 tok
ratel-ai/ratel ratel.sh Context engineering for AI agents. ~80% fewer tokens. Fix tool overload. Skills and memory 433 Claude Code, Codex, OpenCode 2 1,018 tok
ownpilot/OwnPilot ownpilot.dev Privacy-first personal AI assistant platform with autonomous agents, tool orchestration, a 429 Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf 10 9,916 tok
firstintent/ccteam ccteam turns the coding agents you already run (Claude Code, Codex, Grok, DeepSeek Harness 428 Claude Code, Codex, OpenCode 3 7,466 tok
Prof-Harita/terminaI terminai.org Open-source, local-first alternative to Cowork-style computer assistants: real PTY termina 424 Codex, Gemini CLI, OpenCode 9 8,528 tok
appautomaton/latex-arxiv-SKILL appautomaton.renocrypt.com A highly customizable agentic harness for arXiv-ready ML/AI review papers (and beyond). It 424 Codex, OpenCode 5 472 tok
microsoft/conductor A CLI tool for defining and running multi-agent workflows with the GitHub Copilot SDK and 422 Claude Code, Codex, OpenCode 2 44,330 tok