Advanced AI Agents
Available
AG2 Adaptive Research Team
Multi-Agent Hierarchical Collaboration • Advanced
A Streamlit app that blends agent teamwork with agent-enabled routing and fallback, built entirely on AG2..
Open Index | 366 Open-Source Projects | Architecture-First Discovery
Discover What People Are Building With AI
Every project is indexed by its architecture pattern first — then the stack that powers it. Find AI agents, RAG pipelines, MCP servers and voice systems by how they're built, not just what they're called.
UtilityHub Discovery & Intelligence Graph
STATUS: LIVE / 366 BLUEPRINTS
01 Projects
366
Multi-source index
02 Stacks
50 Tech
LangGraph, MCP, etc.
03 Architectures
12 Patterns
Swarms, RAG, Loops
04 Trends
Daily Signals
Velocity & Growth
05 Insights
Original Notes
Editorial Value
Intelligence Radar // Live Research Updates
Breaking AI Intelligence & Conference Radar
In-depth analysis of frontier model announcements, academic conference review benchmarks, and framework releases.
business 4 min read
AAAI-27 Phase 1 Results
AAAI-27 Phase 1 results are expected on September 24. Anyone else waiting for the decision?
r/MachineLearning
Read Deep Dive →
tool-update 4 min read
Typesafe's JEV model work as an LLM
I built a conversational AI that doesn't generate a single token — it selects from 400 pre-written responses using TypeSafe's Jev, a non-generative model that returns probabilistic judgments...
r/MachineLearning
Read Deep Dive →
business 4 min read
OpenAI and Microsoft knew they were starting a ‘doom loop’ for the web
Recently unsealed court documents in the New York Times ' case against OpenAI and Microsoft are pretty damning. The companies' own documentation warned that it was starting a "doom loop" that...
The Verge AI
Read Deep Dive →
skill-update 4 min read
Adding MCP Tools to Reachy Mini
Adding MCP Tools to Reachy Mini.
Hugging Face Blog
Read Deep Dive →
01 // Market Momentum
Trending Right Now
Projects receiving highest aggregate builder interest across vector retrieval, FastMCP protocols, and autonomous swarms.
Advanced AI Agents
Available
AI Agent Governance - Policy-Based Sandboxing
Autonomous ReAct Agent Loop • Intermediate
Learn how to build a governance layer that enforces deterministic policies on AI agents, preventing dangerous actions before they execute..
Advanced AI Agents
Available
AI Competitor Intelligence Agent Team
Multi-Agent Hierarchical Collaboration • Intermediate
The AI Competitor Intelligence Agent Team is a powerful competitor analysis tool powered by Firecrawl and Agno's AI Agent framework. This app helps businesses analyze their competitors by extracting structured data from competitor...
Advanced AI Agents
Available
AI Consultant Agent with Google ADK
Autonomous ReAct Agent Loop • Intermediate
A powerful business consultant powered by Google's Agent Development Kit that provides comprehensive market analysis, strategic planning, and actionable business recommendations with real-time web research.
02 // Architecture Taxonomy
Featured AI Categories
From single-file starter agents to multi-agent swarms, hybrid vector RAG pipelines, and FastMCP servers.
Starter AI Agents
Beginner-friendly, single-file agents demonstrating fundamental tool-calling and prompting patterns.
Taxonomy Node Inspect →
Advanced AI Agents
Multi-agent systems, autonomous teams, hierarchical swarms, and complex workflow orchestrations.
Taxonomy Node Inspect →
RAG Tutorials & Pipelines
Retrieval Augmented Generation architectures, hybrid vector-BM25 search, reranking, and contextual retrieval.
Taxonomy Node Inspect →
MCP AI Agents
Implementations of the Model Context Protocol (MCP) connecting agents to external servers and local tools.
Taxonomy Node Inspect →
Agent Skills & Evaluations
Modular agent capabilities, structured reasoning protocols, reflection loops, and evaluation suites.
Taxonomy Node Inspect →
Chat With X Tutorials
Conversational interfaces grounded in databases, PDFs, documents, media streams, and external APIs.
Taxonomy Node Inspect →
Voice AI Agents
Low-latency, real-time speech-to-speech agents with streaming audio, VAD, and bidirectional WebSockets.
Taxonomy Node Inspect →
Generative UI & Frontends
Agents that dynamically render interactive frontend components, artifacts, and personalized user interfaces.
Taxonomy Node Inspect →
Always-On & Proactive Agents
Continuous background workers, proactive monitoring loops, scheduled automations, and event-driven triggers.
Taxonomy Node Inspect →
LLM Apps with Memory
Stateful architectures leveraging short-term working memory, semantic episodic memory, and long-term vector stores.
Taxonomy Node Inspect →
LLM Optimization & Evaluation
Tools for prompt optimization, structured schema enforcement, response caching, and evaluation metrics.
Taxonomy Node Inspect →
Framework Crash Courses
Structured tutorials exploring OpenAI Agents SDK, Google ADK, Smolagents, LangGraph, and CrewAI.
Taxonomy Node Inspect →
Game Playing Agents
LLM and reinforcement learning agents playing interactive games, chess, and simulation environments.
Taxonomy Node Inspect →
LLM Fine-Tuning
Guides and pipelines for fine-tuning open-source LLMs using LoRA, QLoRA, PEFT, and custom datasets.
Taxonomy Node Inspect →
03 // Architectural Highlights
Featured Blueprint Analyses
Curated open-source implementations demonstrating notable patterns in agent delegation, tool calling, and retrieval.
Web Scraping AI Agent
AI-powered web scraping using ScrapeGraphAI - extract structured data from websites using natural language prompts. This agent runs locally with the open-source scrapegraphai library.
MCP AI Agents
Available
GitHub MCP Agent
FastMCP Tool Server & Client Protocol • Intermediate
A Streamlit application that allows you to explore and analyze GitHub repositories using natural language queries through the Model Context Protocol (MCP).
RAG Tutorials & Pipelines
Available
RAG App with Hybrid Search
Hybrid Retrieval Augmented Generation (RAG) • Intermediate
A high-precision document question-answering system combining BM25 keyword matching with vector embeddings and Claude 3.5 Sonnet via RAGLite.
RAG Tutorials & Pipelines
Deep Research Agent with OpenAI Agents SDK and Firecrawl
A powerful research assistant that leverages OpenAI's Agents SDK and Firecrawl's deep research capabilities to perform comprehensive web research on any topic and any question.
OpenAIStreamlitPython
Explore Voice AI Agents
Customer Support Voice Agent
An OpenAI SDK powered customer support agent application that delivers voice-powered responses to questions about your knowledge base using OpenAI's GPT-4o and TTS capabilities. The system crawls through documentation websites with...
OpenAIStreamlitQdrant
Explore MCP AI Agents
Agentic RAG with Reasoning
An agentic Retrieval-Augmented Generation system that exposes step-by-step reasoning and thought processes in real time using Agno, Gemini, and OpenAI over dynamic web sources.
OpenAIGeminiStreamlit
Explore 04 // Stack Discovery
Explore Technologies
FastMCP / MCP
73Model Context Protocol tool servers & clients
LangGraph & LangChain
42Cyclic graph orchestration & multi-agent loops
AutoGen & AG2
8Conversational agent swarms & teamwork
Streamlit & Python
111Interactive AI web apps & data interfaces
Qdrant & Vector DBs
25Dense vector retrieval & hybrid search indices
Ollama & Local LLMs
34Private, on-premise local agent execution
05 // Problem Domains
Explore Use Cases
Deep Web Research & Synthesis
53Multi-step autonomous web investigation and synthesis
Automated Customer Support
108Context-aware ticket triage and automated resolution
Enterprise Document Search & Q&A
117Hybrid RAG retrieval across corporate filings and knowledge
Conversational Voice Interfaces
28Sub-500ms streaming speech-to-speech agent pipelines
Developer Tooling & Code Automation
58Automated refactoring, code review, and CLI assistance
Tool Integration & MCP Servers
134Standardized JSON-RPC tool dispatch and sandboxing
06 // The Intelligence Engine
How UtilityHub Works
Every project is organized along a single discovery path — Projects → Architecture Patterns → Stack — from open-source GitHub extraction to visual architecture synthesis and market demand signals.
01
Discover
Find open-source AI projects across multiple curated sources and GitHub topic indexes.
02
Understand
Inspect architectural diagrams, execution patterns, technologies, and production limitations.
03
Compare
Evaluate state graphs vs. conversational swarms vs. FastMCP tool protocols side-by-side.
04
Track
Follow weekly repository star velocity, fork growth, and emerging category shifts.
05
Validate
Observe aggregate developer demand signals and high-interest problem spaces.
06
Build
Leverage validated open-source architecture patterns to engineer original software.
07 // Original Research & Guides
Ecosystem Research & Architecture Notes
Deep-dive technical guides, protocol breakdowns, and empirical benchmark reports.
Research Report
9 min read
Weekly AI Build Radar: Autonomous Coding Swarms, FastMCP Adoption & Hybrid RAG Benchmarks
Weekly intelligence report tracking velocity across 197 open-source AI repositories. Key findings include an 84% surge in FastMCP server implementations and a shift toward hybrid dense-sparse RAG retrieval.
Architecture Comparison 8 min read
Best Open-Source AI Agent Frameworks in 2026: LangGraph, AutoGen, Agno & CrewAI
An architectural comparison of leading open-source AI agent frameworks in 2026. Learn when to use state graphs, multi-agent swarms, or minimal tool loops.
Technical Guide 6 min read
RAG vs Fine-Tuning: When Should You Use Each in Production?
A practical guide to deciding between Retrieval-Augmented Generation (RAG) and model fine-tuning (LoRA/PEFT) for enterprise LLM applications.
08 // Implementation Snippets
Reusable AI Architecture Code Blocks
Inspect original reference implementations inspired by common open-source architecture patterns: Hybrid Retrieval BM25 fusion, ReAct tool execution loops, and FastMCP server templates.