Building agents

4,746 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 Code6,578Data and AI3,695Backend and APIs3,487Languages3,404Planning3,188Git and workflow3,106Code review2,712Memory and context2,351Testing2,325Research2,289DevOps and cloud2,283Writing and docs2,279

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro

ProjectStarsConfiguresFilesAlways loaded
meta-quest/agentic-tools developers.meta.com Agent Skills for Meta Quest/Horizon OS VR Development 192 Claude Code, Codex, OpenCode 2 4,932 tok
lennney/mcp-slim-guard take-a-deep-breath0.com Context compression for MCP. Same upstream call, exact results recoverable. 192 Claude Code, Codex, GitHub Copilot, OpenCode 3 1,224 tok
scarletkc/agents Shared standards and reusable skills for Claude Code, Codex CLI, and other AI coding agent 191 Claude Code, Codex, OpenCode 2 708 tok
Utopia-V/mixagents Harness-native agent components for Codex and Pi: a DeepSeek V4 Flash subagent and a DSH M 191 Codex, OpenCode 3 112 tok
mainline-org/mainline mainline.sh Git-native memory for coding agents. Repo memory before the diff. 190 Claude Code, Codex, GitHub Copilot, OpenCode 3 1,310 tok
thedaviddias/skill-check Linter for agent skill files 188 Claude Code, Codex 6
fancyboi999/open-tag getopentag.com Open-source, self-hostable alternative to Claude Tag — a Slack-style workspace where your 187 Claude Code, Codex, OpenCode 5 3,877 tok
peltmonger/stardrive astro-stardrive.com The Astro boilerplate to create super stable and fast websites in the AI age 187 Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf 5 3,374 tok
dualverse-ai/station dualverse.ai The Station is an open-world multi-agent environment where AI agents pursue autonomous sci 187 Claude Code, Codex, Gemini CLI, OpenCode 3 7,604 tok
minipuft/claude-prompts-mcp MCP server for reusable prompt templates, multi-step workflow chains, and quality gates. C 186 Claude Code, Codex, OpenCode 2 13,503 tok
iusztinpaul/squid The Software Factory 186 Claude Code, Codex, OpenCode 2 2,667 tok
phil65/agentpool phil65.github.io A unified agent orchestration hub that lets you configure and manage multiple AI agents (n 185 Claude Code, Codex, GitHub Copilot, OpenCode 6 3,723 tok
weijiafu14/pi2dsh Bridge the Pi and DeepSeek Harness ecosystems: one Pi Host ABI runs unmodified Pi extensio 185 Claude Code, Codex, OpenCode 2 15,127 tok
jtgsystems/Custom-Modes-Roo-Code jtgsystems.com 🚀 Custom modes for Roo Code VS Code extension - Enhanced AI coding assistance configurati 183 Claude Code, Codex, OpenCode 2 8,075 tok
adeze/raindrop-mcp Raindrop MCP Server 183 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 15 4,145 tok
Shiyao-Huang/awesome-agent-evolution agent-evolution.com Open survey and evidence map for AI agent evolution, self-evolving agents, memory, skills, 183 Claude Code, Codex, OpenCode 2 10,532 tok
wenqingyu/ralphy-openspec Ralph loop + OpenSpec integration for Cursor, OpenCode and ClaudeCode heavy lifting. 182 Claude Code, Codex, OpenCode 5 483 tok
liruifengv/amon-agent Amon - Your AI coworker running on your desktop 182 Claude Code, Codex, OpenCode 2 2,619 tok
YougLin-dev/Aha-Loop [MVP] Aha Loop is a fully autonomous AI development system, extended from the core ideas o 181 Claude Code, Codex, OpenCode 17 5,776 tok
openshift-examples/web examples.openshift.pub 🚀 Content of examples.openshift.pub 181 Claude Code, Codex, OpenCode 4 1,454 tok
aws-samples/sample-host-openclaw-on-amazon-bedrock-agentcore 180 Claude Code, Codex, OpenCode 2 14,312 tok
pass-agent/loomkin What if AI agents could form teams as fluidly as humans? Spawn specialists in milliseconds 179 Claude Code, Codex, GitHub Copilot, OpenCode 16 780 tok
echoVic/blade-code echovic.github.io AI-powered CLI coding agent with 20+ built-in tools, MCP support, and multi-model provider 178 Codex, OpenCode 1 1,038 tok
Ivy-Interactive/Ivy-Tendril ivy.app AI agents can now write 99% of the code. This changes what it means to be a developer. Our 176 Claude Code, Codex, OpenCode 6 226 tok
addyosmani/factory A reference software factory for Claude Code and Codex 176 Claude Code, Codex, OpenCode 2 532 tok
tensorlakeai/tensorlake-skills Coding agent skill for Tensorlake. Routes Claude Code, OpenAI Codex, and other AI agents t 174 Codex, OpenCode 1 851 tok
Kilo-Org/kilo-marketplace Kilo Marketplace - A curated collection of Skills, MCP Servers, and Modes for enhancing AI 174 Codex, OpenCode 1 788 tok
iPythoning/b2b-sdr-agent-template pulseagent.io Open-source AI SDR template for B2B export. 10-stage sales pipeline, 10 cron jobs, 4-engin 174 Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode 5 1,153 tok
github/gh-aw-mcpg Github Agentic Workflows MCP Gateway 173 Claude Code, Codex, OpenCode 3 7,734 tok
Hmbown/Hegelion hegelion-web.pages.dev Dialectical reasoning architecture for LLMs (Thesis → Antithesis → Synthesis) 172 Claude Code, Codex, OpenCode 3 1,804 tok
kky42/codex-as-mcp Convert codex CLI tool to an MCP — unleash the power of GPT-5 172 Claude Code, Codex, OpenCode 2 809 tok
sendaifun/solana-new solana.new think. build. ship. tasteful & useful crypto apps. using a curated skills + knowledge base 171 Claude Code, Codex, OpenCode 2 1,642 tok
integromat/make-mcp-server Make MCP Server 171 Claude Code, Codex, OpenCode 2 913 tok
qqzhangyanhua/learn-opencode-agent book.zyh.lol A tutorial on learning and practicing with the OpenCode AI Coding Agent, covering Agents, 171 Claude Code, Codex, OpenCode 2 3,973 tok
Kpa-clawbot/CoreScope MeshCore mesh network analyzer — live packet visualization, VCR replay, channel decryption 171 Claude Code, Codex, GitHub Copilot, OpenCode 4 7,204 tok
ma2za/python-substack ma2za.github.io Write and safely manage Substack drafts from Markdown with Python, CLI, and MCP. 170 Codex, Gemini CLI, OpenCode 4 814 tok
alibaba/loongsuite-pilot Local-first telemetry collector for AI coding agents — unified OpenTelemetry events for Cl 169 Claude Code, Codex, OpenCode 2 2,855 tok
webgptorg/promptbook ptbk.io Turn your company's scattered knowledge into AI ready Books ✨ 167 Claude Code, Codex, GitHub Copilot, OpenCode 3 4,789 tok
cheeseburgertony/evoke evoke-mocha.vercel.app AI-powered web app generator — turn natural language ideas into full code with live previe 167 Claude Code, Codex, OpenCode 2 1,875 tok
EXboys/skilllite A lightweight secure Self-evolution engine built in Rust, featuring a built-in native syst 167 Claude Code, Codex, OpenCode 17 1,314 tok
modimihir07/agentic-os modimihir07.github.io Agentic OS: Multi-agent orchestration platform for opencode, Hermes & Gemini CLI. Skills h 167 Codex, OpenCode 1 5,932 tok
nteract/nteract We're back! Now firing notebooks out of a t-shirt gun. 167 Claude Code, Codex, OpenCode 14 1,218 tok
lmwilki/civ6-mcp civ6-mcp.lwilko.com An MCP server that lets LLM agents play Civilization VI. 167 Claude Code, Codex, Gemini CLI, OpenCode 3 5,820 tok
RandyChen1985/nanzi-ai-agent-platform 🚀 Open-source enterprise-grade multi-agent platform and ChatBI data insights platform. Su 167 Claude Code, Codex, Gemini CLI, OpenCode 32 831 tok
yaalalabs/agent-kernel kernel.yaala.ai The Operating System for Scalable Enterprise AI Agents - Run, orchestrate, and deploy Comp 166 Claude Code, Codex, OpenCode 19 2,448 tok
msei99/pbgui 166 Claude Code, Codex, GitHub Copilot, OpenCode 3 7,603 tok
devantler-tech/ksail ksail.devantler.tech All-in-one Kubernetes SDK: create, manage, and operate clusters across distributions (Kind 165 Claude Code, Codex, GitHub Copilot, OpenCode 22 7,603 tok
composio-community/skills 165 Claude Code, Codex 1
ricardoquesada/regenerator2000 regenerator2000.readthedocs.io An interactive disassembler for the CPU 6502, focused on Commodore 8-bit computers. Featur 164 Claude Code, Codex, OpenCode 15 3,909 tok
paiml/paiml-mcp-agent-toolkit paiml.github.io Pragmatic AI Labs MCP Agent Toolkit - An MCP Server designed to make code with agents more 164 Claude Code, Codex, OpenCode 4 6,972 tok