Building agents

7,541 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 Code6,614Data and AI3,687Backend and APIs3,492Languages3,397Planning3,211Git and workflow3,159Code review2,735Memory and context2,362Testing2,357DevOps and cloud2,306Writing and docs2,299Research2,296

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro

ProjectStarsConfiguresFilesAlways loaded
diepquynh/ultracode A plugin for Claude Code/Codex/Grok Build/Antigravity, not for classic vibe coders 4 Claude Code 1 1,317 tok
konstantindenerz/cc-notifynub Claude Code plugin — tmux popup notifications with a pixel-art mascot 4 Claude Code 1 67 tok
promptctl/laws Claude Code plugin: laws for writing high quality code and llm guidance 4 Claude Code, Codex, OpenCode 3 200 tok
madebywild/agent-rules wild.as Convert one set of agent rules into many providers' compliant versions 4 Claude Code, Codex, GitHub Copilot, OpenCode 3 3,060 tok
prathamdby/skills 📚 A collection of my day-to-day skills. 4 Codex, OpenCode 1 1,387 tok
jedmamosto/open-agent-engine The open-source compiler & multi-agent runtime for coding agents 4 Claude Code, Codex, OpenCode 2 586 tok
Desquared/agents-rules-skills 4 Codex, OpenCode 1 1,445 tok
Garyzhu-hub/software-controlled-skills 4 Claude Code, Codex, OpenCode 4 292 tok
koldovsky/project-factory Self-improving, spec-driven multi-agent SDLC delivery framework — agent-agnostic plugin fo 4 Claude Code, Codex, GitHub Copilot, OpenCode 3 795 tok
grasshopco/god-mode An advanced Cursor IDE enhancement system that turns Cursor into an autonomous, infinite m 4 Cursor 1 8,253 tok
lesleslie/spline-mcp MCP server for Spline.design 3D scene orchestration 4 Claude Code, Codex, OpenCode 2 1,308 tok
VoytechG/spec-driven-development Multi-area spec-driven development plugin for Claude Code, Codex, and Gemini CLI. Loads th 4 Claude Code, Codex, Gemini CLI, OpenCode 3 868 tok
natea/fitfinder AI agents help accelerate product/market fit. Discover what to build and who to build it f 4 Claude Code 6 3,282 tok
aiforging/aiforging aiforging.dev A structured AI-assisted development framework — test-first, pattern-driven refactoring, d 4 Claude Code 1 2,840 tok
algometrix/second_brain_builder AI-powered Obsidian plugin that turns any topic into a folder of interlinked study notes w 4 Claude Code, Codex 1 2,048 tok
tkellogg/postal-mcp A mailbox system for two or more agents to communicate via MCP 4 Codex, OpenCode 1 52 tok
research-developer/iterm-mcp-claude-agency A Model Context Protocol server that executes commands in the current iTerm session - usef 4 Claude Code 3 4,512 tok
redhat-community-ai-tools/igloo-mcp An unofficial MCP server for Igloo - a workspace intranet platform. 4 Codex, OpenCode 1 361 tok
rweisssieker-xp/GBL-CREO-WINDCHILL-MCP MCP Server for Creo and Windchill 4 Gemini CLI 14
Sighthesia/interactive-choice-mcp An MCP Server that enables AI to provide options and launch an interactive interface for u 4 Claude Code, Codex, OpenCode 7 3,094 tok
Apofenic/mcp-prompt-router Local LLM prompt routing and context compression 4 GitHub Copilot 3 2,732 tok
paolodalprato/ollama-mcp-server Self-contained MCP server for comprehensive Ollama management with zero external dependenc 4 Claude Code 1 1,307 tok
mkXultra/agent-communication-mcp 4 Claude Code 1 862 tok
AmemiyaLai/grasshopper-mcp-workflow 4 Claude Code, Codex, OpenCode 8 857 tok
dmgrok/mcp_mother_skills dmgrok.github.io A Model Context Protocol (MCP) server that dynamically provisions agent skills based on pr 4 Codex, GitHub Copilot 1 1,469 tok
rhel-lightspeed/docs2db-mcp-server MCP server providing RAG search capabilities via docs2db-api 4 Codex, OpenCode 1 1,526 tok
emingenc/smart_glass_mcp smart glasses MCP that any AI can use smart glass which has MCP client 4 Claude Code, GitHub Copilot 2 244 tok
linancn/tiangong-ai-mcp 4 Codex, OpenCode 1 593 tok
abossard/ledfx-mcp Local MCP to manage a LedFX instance 4 Codex, GitHub Copilot, OpenCode 2 1,870 tok
MicroMichaelIE/mcp-copilotcli-history MCP server for searching GitHub Copilot conversation history 4 GitHub Copilot 2 531 tok
ohah/electron-mcp-server 4 Claude Code, Cursor 10 132 tok
Firnschnee/dual-model-mcp A MCP server that queries at the same time Claude Fable 5.1 high and OpenAI GPT-6 Astra hi 4 Claude Code, Codex, OpenCode 2 1,546 tok
Enablement-Engineering/gobbler enablement-engineering.github.io The missing link between your content and AI. Convert YouTube, documents, web pages, and a 4 Claude Code, Codex, OpenCode 3 2,026 tok
mrsimpson/agentskills-mcp MCP server that exposes Claude Code Agent Skills to any MCP-compatible agent 4 Claude Code 1
cirwel/unitares A federation kernel for accountable AI agents. Self-hosted MCP server: identity, claims an 4 Claude Code, Codex, OpenCode 2 12,696 tok
ljzloser/mcp_tools 4 Claude Code, GitHub Copilot 10 2,906 tok
tosssssy/mcp-server-debug-thinking 4 Claude Code 1 1,173 tok
achimstruve/mcp-https-OAuth-database-template A minimal MCP-HTTP-template that allows to distribute MCP server access via API-key author 4 Claude Code 1 1,559 tok
staccDOTsol/openzoo Local x402-paying proxy + MCP server for openzoo.fun — any OpenAI-compatible harness, no c 4 Claude Code 4 1,029 tok
OGZamasu/agent-inbox A place to send your AI agent things to look at. Send links from your phone or browser; Cl 4 Claude Code, Codex, OpenCode 2 1,254 tok
FeanorsCodeSL/imladris Rivendell-style council for AI agents: a stdio MCP server that convenes multi-provider mod 4 Claude Code, Codex, OpenCode 3 2,672 tok
zxerai/MCP-Server MCP-Server simplifies management and scaling by organizing multiple MCP (Model Context Pro 4 GitHub Copilot 1 402 tok
cyanheads/survey-mcp-server Transform LLMs into intelligent interviewers. MCP server for conducting dynamic, conversat 4 Claude Code, Codex, OpenCode 2 9,030 tok
resolve-ai-oss/resolve-ai-plugins 4 Claude Code, Codex, OpenCode 2 1,014 tok
jweingardt12/BaseClaw jweingardt12.github.io Win your fantasy league, with the help of AI. Allows for Claude/OpenClaw management of you 4 Claude Code, Codex, OpenCode 2 4,647 tok
manojbajaj95/agent-knowledge-cards Filesystem-first knowledge cards for coding agents; durable facts as trusted memory. Save 4 Codex, OpenCode 1 879 tok
ngmeyer/skills Agent skills I use every day — small, composable, model-agnostic. (private; scrub pending 4 Claude Code 1 938 tok
marcusquinn/quickfile-mcp MCP server for QuickFile UK accounting software - invoices, clients, purchases, banking, a 4 Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf 6 706 tok
funtusov/mcp-server-architect 4 Claude Code 1 848 tok
bmdhodl/agent47 agentguard47.com Your AI agent just burned $200. AgentGuard stops it at $5. Runtime cost guardrails for AI 4 Claude Code, Codex, GitHub Copilot, OpenCode 9 6,555 tok