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The Agentic Review

Independent analysis of agentic AI systems, products, and standards.

Vol. I · No. 1 · Est. 2026
Topic

interop

The interop layer of the agentic stack: the protocols that let agents call tools, hand off to each other, and accumulate state across vendor boundaries.

Recommended starting points

All pieces filed in interop

Protocols

MCP, A2A, and the Coming Agentic Interop Layer

Two protocol efforts are quietly defining how agents will talk to each other and to the rest of the world. A reading of what they are, what they leave open, and where the lines are still being drawn.

MCPA2A

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Related topics

MCPA2Astandards