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Show HN: AI-powered web service combining FastAPI, Pydantic-AI, and MCP servers

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Tech Trends Agent 🚀

A robust, scalable AI-powered web service combining FastAPI, Pydantic-AI, and MCP servers

This project demonstrates how to build a production-ready AI-powered web service by combining three cutting-edge, open-source technologies:

FastAPI for high-performance asynchronous APIs Pydantic-AI for type-safe, schema-driven agent construction Model Context Protocol (MCP) servers as plug-and-play tools

A quick glance at the UI: type a question, choose sources (Hacker News and/or Web Search), then get ranked trend cards with scores, links, and an AI-written summary—so you can quickly see what's trending about any topic or technology.

🎯 What You'll Learn

Advanced data modeling patterns with Pydantic

Multi-agent AI systems with A2A communication

MCP server integration for extensible AI tools

Production-ready FastAPI deployment patterns

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