a2a vs mcp comparison

A2A Protocol Explained: 150+ Companies Backed It in a Year, Here's What It Actually Solves

A2A crossed 150 supporting organizations and 22,000 GitHub stars in its first year under the Linux Foundation. Here's what the Agent2Agent protocol actually does, how it differs from MCP, and a working Python example for when you genuinely need it.

DevToolLab Team·July 19, 2026