ProtocolsOfficial

A2UI and MCP Apps document three interoperability patterns

Google and MCP Apps co-creators show A2UI over MCP, MCP Apps inside A2UI, and A2UI inside MCP Apps.

Event 2026-06-17Source published 2026-06-17Indexed 2026-10-10Verified 2026-10-10

Why it matters

Teams can combine native consistency with custom web interactions.

A closer look

Examples use application/a2ui+json for declarative payloads. Embedded apps synchronize key state through events.

Who this is for

Platform architects and MCP application developers

Original sources

Google Developers Blog ↗developers.googleblog.com

Revisions & corrections (1)

2026-10-10 — Initial source-verified editorial collection

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