Building agents

4,379 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 Code6,589Data and AI3,693Backend and APIs3,491Languages3,403Planning3,201Git and workflow3,131Code review2,731Memory and context2,354Testing2,335DevOps and cloud2,298Research2,288Writing and docs2,284

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro

ProjectStarsConfiguresFilesAlways loaded
railsblueprint/blueprint-mcp blueprint-mcp.railsblueprint.com MCP server for browser automation across Chrome, Firefox, and Safari using real browser pr 100 Claude Code, Codex, OpenCode 2 3,921 tok
jiangkoumo/toolfence Local, fail-closed policy enforcement and human approval for MCP tool calls. 100 Codex, OpenCode 1 417 tok
wlsdks/ontology-atlas ontologyatlas.com Understand what your codebase builds, why it is structured that way, and what a change cou 100 Claude Code, Codex, OpenCode 40 3,297 tok
Azure-Samples/agent-architecture-review-sample techcommunity.microsoft.com The Architecture Review Agent is an open-source AI agent sample that reviews software arch 99 Codex, OpenCode 1 2,975 tok
aspenkit/aspens npmjs.com Your CLAUDE.md stopped working at 200 lines. Generate scoped skill files from your import 99 Claude Code, Codex, GitHub Copilot, OpenCode 34 3,436 tok
kawayiYokami/P-ai A ready-to-use self-growing desktop AI assistant for long-running tasks, memory, agents, t 99 Codex, OpenCode 1 5,527 tok
ingo-eichhorst/Irrlicht Claude Code session lights in your macOS menu bar — 🟣 🟠 🟢 ✦ 98 Claude Code, Codex, OpenCode 18 4,073 tok
konnga/skill-buddy AI Skills Buddy, A desktop workspace for managing, installing, and synchronizing Skills an 98 Claude Code, Codex, OpenCode 10 238 tok
lxinfei5/research-os Research capability for coding agents: multi-source corroboration, active discovery, logic 97 Claude Code, Codex, OpenCode 11 1,146 tok
nablo-io/lerim docs.lerim.dev Compiles AI agent traces and truns them into reusable context. 97 Claude Code, Codex, OpenCode 2 1,428 tok
litefuse/litefuse litefuse.ai Litefuse - Agent Observability and Evaluation Platform 97 Claude Code, Codex, Cursor, OpenCode 10 3,733 tok
ringlochid/oh-my-subagents Accountable, adaptable AI teams. 97 Codex, OpenCode 1 4,737 tok
GoogleCloudPlatform/cxas-scrapi A powerful Python API, CLI, and set of Agent Skills for CX Agent Studio to automate, evalu 96 Claude Code, Codex, Gemini CLI, OpenCode 6 1,023 tok
attilaszasz/sdd-pilot sdd-pilot.szaszattila.com Replace chaotic AI code generation with a disciplined, spec-driven workflow. SDD Pilot enf 96 Claude Code, Codex, GitHub Copilot, OpenCode 8 3,453 tok
rafmacalaba/armada Loop engineering for software development. Turn any repository into a self-organizing AI e 96 Codex, OpenCode 1 1,423 tok
byaan-ai/byaan byaan.ai Open-Source data analyst your team actually owns. Ask in Slack, on Mac, or via MCP. Byaan 95 Claude Code, Codex, OpenCode 5 2,264 tok
Jxck/dotfiles dotfiles 95 Claude Code, Codex, OpenCode 20 4 tok
LonelyHerbivore/Trellis-Herbivore Trellis-Meta 95 Claude Code, Codex, Cursor, OpenCode 38 3,579 tok
jayparikh/agentviz 95 Claude Code, Codex, GitHub Copilot, OpenCode 5 2,425 tok
xiashao/KaiyanTool Kaixi AI integrates the entire film and television creation process into one powerful plat 94 Claude Code, Codex, Cursor, OpenCode 20 2,105 tok
clawrun-sh/clawrun clawrun.sh Deploy and manage AI agents in seconds. 94 Claude Code, Codex, OpenCode 2 5,125 tok
thiientv/godmode thiientv.github.io Production-grade Agent Skills for AI coding agents—composable workflows for planning, TDD, 94 Codex, OpenCode 1 389 tok
docuspeed/claw-skills A collection of lobster skills. 93 Codex, OpenCode 1 488 tok
rstackjs/agent-skills A collection of Agent Skills for Rstack. 93 Codex, OpenCode 1 1,704 tok
dave-hillier/refactor-mcp 93 Claude Code, Codex, OpenCode 2 1,812 tok
vstorm-co/pydantic-ai-shields vstorm-co.github.io Guardrail capabilities for Pydantic AI — cost tracking, prompt injection detection, PII fi 92 Claude Code, Codex, OpenCode 2 799 tok
vouchdev/vouch vouchai.dev A git-native, review-gated knowledge base for AI agents: they propose writes, you approve 92 Claude Code, Codex, OpenCode 3 5,107 tok
ChatTeach/Awesome-AI-Agents manuagi.beehiiv.com Curated collection of the latest open-source AI agent projects—Weekly updated! 92 Codex, OpenCode 1 4,050 tok
d3mocide/Sovereign_Watch Distributed Multi-INT Fusion Center designed for decentralized situational awareness. 92 Claude Code, Codex, Cursor, OpenCode 28 4,475 tok
marcusgoll/Spec-Flow Turn product ideas into production launches with Spec-Driven Development. Repeatable Claud 92 Claude Code, Codex, Cursor, Gemini CLI, OpenCode 4 6,294 tok
accessd/tmux-agent-indicator Tmux plugin that gives visual feedback for AI agent states (running/needs-input/done). Sup 92 Claude Code, Codex, OpenCode 2 554 tok
sopaco/cowork-forge AI-powered software development system that automates the entire lifecycle from requiremen 92 Claude Code, Codex, OpenCode 5 2,947 tok
2youg1/sprawling Local multi-agent harness for running persistent agent teams, long-run, society-simulation 91 Claude Code, Codex, OpenCode 2 2,102 tok
aAAaqwq/AGI-Super-Team npmjs.com An installable, cross-framework AI organization: C-suite agents, expert subagents, curated 91 Claude Code, Codex, OpenCode 2 596 tok
kcosr/assistant Panel-based personal assistant with a plugin architecture for productivity workflows. AI a 91 Claude Code, Codex, OpenCode 4 531 tok
ydeng11/zotero-zotadata Make the management of metadata easier 91 Claude Code, Codex, OpenCode 2 1,146 tok
mturac/everything-openai-codex EOC: open-source operating system for OpenAI Codex workflows with agents, skills, hooks, r 90 Codex, GitHub Copilot, OpenCode 2 3,115 tok
greenpolo/cc-multi-cli-plugin Claude Code plugin: delegate to Codex, Gemini, Cursor, GitHub Copilot, and Qwen CLIs via t 90 Claude Code, Codex, OpenCode 2 1,883 tok
obviousworks/vibe-coding-ai-rules The Ultimate Agentic Vibe Coding Guide for AI IDEs like Windsurf, Claude Code, Cursor, Cod 90 Codex, GitHub Copilot, OpenCode 7 3,890 tok
docs-plus/docs.plus docs.plus Free and open-source real-time collaborative document editor. Hierarchical table of conten 90 Claude Code, Codex, OpenCode 58 23,240 tok
CodeAlive-AI/codealive-mcp codealive.ai Context engine for large codebases, exposed through MCP. Gives AI coding agents precise re 90 Claude Code, Codex, OpenCode 5 5,334 tok
YPares/rigup.nix AI agents and Nix: parametrable skills/instructions and tools, packaged together in a repr 90 Claude Code, Codex, OpenCode 2 22 tok
wardmos/waybill Continue unfinished work across coding agents with portable handoff bundles. 90 Claude Code, Codex, OpenCode 2 635 tok
automagik-dev/forge automagik.dev The Vibe Coding++™ platform - orchestrate multiple AI agents, experiment with isolated att 89 Claude Code, Codex, OpenCode 14 4,324 tok
microsoft/agentic-agile-template Agentic-Agile Development bridges Agile process values with the capabilities of AI coding 89 Codex, GitHub Copilot, OpenCode 2 2,516 tok
blockmatic/basilic basilic-docs.vercel.app API-First TypeScript FullStack Starter 89 Claude Code, Codex, OpenCode 2 1,169 tok
Mai-xiyu/Codex-Prompt Rational engineering system prompt for Codex and LLMs — focused on accuracy, software engi 89 Codex, OpenCode 1 1,988 tok
jparkerweb/ai-assist-skills 🤖 A collection of AI agent skills that automate recurring engineering workflows that can 88 Claude Code, Codex, OpenCode 2 650 tok
web3dev1337/gastown-gui Web Graphical User Interface (GUI) for Gas Town multi-agent orchestrator - A companion int 88 Claude Code, Codex, OpenCode 2 1,034 tok
wquguru/skills wquguru.github.io Practical Agent Skills — English-for-engineers coaching, Pi Agent setup, and more. Install 88 Claude Code, Codex, OpenCode 2 1,450 tok