Google AI Mode & Gemini and agentic commerce: supported protocols (UCP, ACP, MCP, AP2)

Google AI Mode & Gemini and agentic commerce

UCP's natural outlet: Google Search's AI Mode and the Gemini apps allow end-to-end purchase from compatible merchants, activated through Merchant Center and expanding beyond the United States (Canada, Australia, the UK in spring 2026).

ASSESSMENT GRID	STATUS
Type	Conversational buying surface
Target	Consumer shoppers
UCP	Native (reference surface)
ACP	—
MCP	Compatible (UCP transport)
AP2	Natively articulated
Capabilities	Discovery · comparison · cart · checkout · tracking
Verified	August 2026

Statuses: Native · Via extension/integration · Announced · Partner · “—” = no known support

What it means for merchants

For most merchants this is the best effort-to-reach surface: the Merchant Center feed you already maintain is the main prerequisite.

To situate these protocols relative to one another, see the UCP / ACP / MCP / AP2 comparison; to assess your own maturity, the agent-ready checklist.

Report a change

This sector moves every quarter. Missing capability, outdated status? Let us know — corrections are handled first and the verification date is updated.

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