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43 points Aherontas | 1 comments | | HN request time: 0s | source

Hey all! I recently gave a workshop talk at PyCon Greece 2025 about building production-ready agent systems.

To check the workshop, I put together a demo repo: (I will add the slides too soon in my blog: https://www.petrostechchronicles.com/) https://github.com/Aherontas/Pycon_Greece_2025_Presentation_...

The idea was to show how multiple AI agents can collaborate using FastAPI + Pydantic-AI, with protocols like MCP (Model Context Protocol) and A2A (Agent-to-Agent) for safe communication and orchestration.

Features:

- Multiple agents running in containers

- MCP servers (Brave search, GitHub, filesystem, etc.) as tools

- A2A communication between services

- Minimal UI for experimentation for Tech Trend - repo analysis

I built this repo because most agent frameworks look great in isolated demos, but fall apart when you try to glue agents together into a real application. My goal was to help people experiment with these patterns and move closer to real-world use cases.

It’s not production-grade, but would love feedback, criticism, or war stories from anyone who’s tried building actual multi-agent systems. Big questions:

Do you think agent-to-agent protocols like MCP/A2A will stick?

Or will the future be mostly single powerful LLMs with plugin stacks?

Thanks — excited to hear what the HN crowd thinks!

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maverick98 ◴[] No.45260699[source]
This is a great repo, I was looking for something like this! I believe MCP and A2A will probably remain and others will build on top of them actually
replies(1): >>45260871 #
1. Aherontas ◴[] No.45260871[source]
Thanks a lot, I believe too that MCP and A2A are not going anywhere anytime soon. Although both of them need more features and security hardening in order to really survive in production like or enterprise environments.