Open-Source Python Lab Lets Developers Study A2A Multi-Agent Protocol Without LLMs

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Developer Fernando Paladini has released A2A Orchestration Lab, an open-source Python project designed to help developers understand the Agent2Agent (A2A) communication protocol in isolation from AI model behavior. The lab spins up three local agents — an orchestrator, a researcher, and a writer — where the researcher and writer are deterministic stubs rather than live language models. This design keeps every component visible, allowing users to observe how the orchestrator discovers specialist agents, delegates tasks, and returns results. The project requires Python 3.12 or newer and uses the A2A Python SDK, httpx, and uvicorn, and can be set up quickly using the uv package manager. Licensed under MIT and tagged at version 0.1.0, the lab is explicitly intended as a learning tool rather than a production-ready runtime.

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ProgrammingDEV Community ·

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