·9 min read
MCP vs A2A: The Two Protocols in Every 2026 Agent Stack, Explained
Model Context Protocol connects one agent to its tools. Agent2Agent connects agents to each other. Interviewers increasingly expect you to know which layer each one owns, what breaks without them, and how they compose in a real architecture. Here is the comparison nobody has written clearly.
·8 min read
Google's Agent2Agent (A2A) Protocol, Explained: How AI Agents Talk to Each Other
MCP standardized how a single agent talks to tools and data. A2A standardizes how separate agents — possibly built on completely different frameworks — discover each other and delegate work. Here is what the protocol actually contains and why interviewers are starting to ask about it.