Building agents

4,778 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 Code6,586Data and AI3,698Backend and APIs3,488Languages3,402Planning3,191Git and workflow3,129Code review2,728Memory and context2,353Testing2,330DevOps and cloud2,293Research2,288Writing and docs2,283

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro

ProjectStarsConfiguresFilesAlways loaded
Prism-Shadow/agenthub One interface for 1,000+ LLMs, with zero-code switching and built-in observability. (GPT-5 111 Claude Code, Codex, GitHub Copilot, OpenCode 3 1,349 tok
Sikao-Engine/KimiX The next-gen lightweight coding agent cli 111 Claude Code, Codex, OpenCode 7 665 tok
JiayuXu0/ZipAgent Lightweight AI Agent framework. Build your AI assistant in 5 minutes. 111 Claude Code, Codex, OpenCode 2 2,901 tok
apollographql/skills skills.sh Apollo GraphQL Agent Skills 111 Claude Code, Codex, GitHub Copilot, OpenCode 5 10,886 tok
ricneves-ai/flowgrammers-skills flowgrammers.com.br Flowgrammers Skills - Enteprise Skills 111 Claude Code, Codex 5 1,722 tok
Insajin/autopus-adk Autopus-ADK is of the agents, by the agents. for the agents. Multi-model orchestration (co 111 Claude Code, Codex, Gemini CLI, OpenCode 3 3,368 tok
unknowlei/minimax-h3-opencode-skills OpenCode skill suite for MiniMax H3 directing, routing, multishot planning, prompt generat 111 Codex, OpenCode 1 530 tok
whut09/opencode-plusplus OpenCode++: a Coding Agent Reliability Harness for OpenCode, adding context, edit boundari 110 Codex, OpenCode 1 1,250 tok
Mohit-Patil/clawdex-mobile getclawdex.com Control Codex from your phone 110 Codex, OpenCode 1 2,662 tok
bobbylkchao/ai-phone-agent AI Phone Agent: A starter kit to build AI agents that answer real phone calls and talk to 110 Claude Code, Codex, OpenCode 3 1,352 tok
buildonspark/spark The Spark Bitcoin layer 2 protocol 110 Claude Code, Codex, Gemini CLI, OpenCode 31 3,168 tok
gmickel/gno gno.sh Local AI-powered document search and editing with first-in-class hybrid retrieval, LLM ans 109 Claude Code, Codex, OpenCode 10 8,118 tok
pminervini/deep-research-mcp MCP server for OpenAI's Deep Research APIs, Gemini Deep Research Agent, Allen AI's DR-Tulu 109 Claude Code, Codex, OpenCode 2 1,536 tok
itseffi/agentic-os Agentic personal OS to automate high-leverage workflows with Codex, Claude Code, Pi, OpenC 109 Claude Code, Codex, OpenCode 2 2,670 tok
catoncat/notion-local-ops-mcp Use Notion AI with your local files, shell, and fallback local agents. 109 Claude Code, Codex, OpenCode 3 1,233 tok
opendatahub-io/opendatahub-operator opendatahub.io Open Data Hub operator to manage ODH component integrations 109 Claude Code, Codex, OpenCode 3 794 tok
SeJonJ/ChatForYou SpringBoot WebSocket & WebRTC Chatting 109 Claude Code, Codex, OpenCode 43 683 tok
extra-org/extra docs.extra-ai.co Turn your product into an AI-powered assistant 108 Claude Code, Codex, OpenCode 20 4,315 tok
AbdelStark/worldforge abdelstark.github.io Harness framework to build world model based workflows for physical AI systems. 108 Claude Code, Codex, OpenCode 9 12,727 tok
idoforgod/Dissertation-Simulator-AgenticWorkflow A doctoral dissertation research simulation system in which 58 AI agents collaborate acros 108 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 12 39,470 tok
compozy/kb 108 Claude Code, Codex, OpenCode 31 4,062 tok
Hmbown/Wizards-of-the-Ghosts Unofficial Hermes Agent skill pack built from fantasy spell and skill names 107 Claude Code, Codex, OpenCode 2 1,841 tok
dosco/aithy aithy.dev A personal AI agent that can work safely on your machine, remember useful context, and kee 107 Claude Code, Codex, OpenCode 18 1,311 tok
rubenmarcus/ralph-starter ralphstarter.ai Bootstrap projects from Figma, Linear, Notion & GitHub specs. The only AI ralph with sourc 107 Claude Code, Codex, OpenCode 5 2,117 tok
cisco-foundation-ai/fully-automated-prompt-optimization An self-improvement suite for optimizing chains with Claude Code 107 Claude Code, Codex, OpenCode 11 1,485 tok
AtlasOmnia/donna-starter Donna — a starter Hermes Agent profile: opinionated persona, 73 curated skills, guided fir 107 Codex, OpenCode 1 441 tok
zhensherlock/sp500-mcp-server sp500-mcp.vercel.app An MCP server and Next.js web app for querying S&P 500 company data from Supabase, with to 106 Claude Code, Codex, OpenCode 3 1,550 tok
soba-labs/langchain-agent-skills A collection of agent-optimized LangChain, LangGraph and LangSmith skills for AI coding as 106 Claude Code, Codex, OpenCode 2 2,635 tok
mblode/agent-skills blode.co Skills for shipping better software. 106 Claude Code, Codex, OpenCode 2 1,030 tok
lynxlangya/techne techne.wangyun.fan Forcing-function skills for AI agents — validated to improve behavior, not just change it. 105 Claude Code, Codex, OpenCode 2 3,746 tok
avivsinai/langfuse-mcp A Model Context Protocol (MCP) server for Langfuse, enabling AI agents to query Langfuse t 105 Claude Code, Codex, OpenCode 2 872 tok
AgentToolkit/altk-evolve agenttoolkit.github.io Self improving agents through iterations 105 Codex, OpenCode 1 1,057 tok
Necmttn/ax the agent experience layer · observability + memory for AI coding agents (Claude Code + Co 105 Claude Code, Codex, OpenCode 2 16,547 tok
mcpc-tech/mcpc Build agentic-MCP servers by composing existing MCP tools. 104 Claude Code, Codex, GitHub Copilot 5 1,191 tok
gintasz/unigent Build stateful agent workflows with typed outputs, reusable tools, session forks, and ordi 104 Claude Code, Codex, OpenCode 4 553 tok
yangtaihong59/siyuan-plugins-mcp-sisyphus yangtaihong59.github.io A tool for connecting Agents with Siyuan. 103 Claude Code, Codex, OpenCode 8 9,183 tok
closedloop-ai/claude-plugins Open-source Claude Code plugins for multi-agent software delivery. Plan-first SDLC workflo 103 Claude Code, Codex, OpenCode 2 3,027 tok
dainsiahtill-dev/Polaris Polaris is the transaction-driven core of an AI software factory. It is not a chat-based p 103 Claude Code, Codex, OpenCode 3 36,838 tok
KaimingWan/oh-my-kiro 103 Codex, OpenCode 1 1,218 tok
grafana/agento11y grafana.com Actually Useful Agent Observability 103 Claude Code, Codex, OpenCode 2 2,574 tok
uni-helper/skills uni-app skills 103 Codex, OpenCode 1 1,877 tok
shuotao/REVIT_MCP_study LEARN HOW TO BUILD UP YOUR REVIT MCP 102 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 79 10,586 tok
vincentkoc/dotskills 🐙 A curated set of Codex and OpenClaw skills for workflow automation, technical debugging 102 Codex, OpenCode 1 892 tok
williamfzc/gossiphs "Zero setup" & "Blazingly fast" general code file relationship analysis. With Python & Rus 102 Codex, OpenCode 1 1,153 tok
fl-sean03/OpenSDL seanflorez.com A modular Python foundation for reproducible computational and autonomous laboratories. Al 102 Claude Code, Codex, OpenCode 13 921 tok
Toloka/tendem-mcp tendem.ai Home for Human In The Loop Tendem plugin for your agent. 102 Claude Code, Codex, OpenCode 2 1,491 tok
tjx666/vscode-mcp MCP server for Claude Code/VSCode/Cursor/Windsurf to use editor self functionality. ⚡ Get 102 Claude Code, Codex, OpenCode 6 79 tok
abracadabra50/open-supermarkets CLI, MCP and Skills for the world's supermarkets. Search, compare, basket and checkout acr 102 Codex, OpenCode 1 3,643 tok
edbizarro/dotfiles :skull: dotfiles! managed by GNU stow 102 Claude Code, Codex, GitHub Copilot, OpenCode 3 2,926 tok
ash-project/ash_typescript Automatic TypeScript type generation for Ash resources and actions 102 Claude Code, Codex, OpenCode 3 8,698 tok