UCP Blog

Welcome to the UCP Blog. Content focuses on specification insights, implementation notes, and update records for quick reference and tracking.

Content Entry Points

Specification Insights: From MUST/SHOULD to capability negotiation and version control
Engineering Practice: From overview to architecture: translating protocol into implementable module boundaries
Schema & Composition: allOf composition, extension pruning, and validation strategies
Ecosystem & Updates: Track official updates, record key changes and impacts

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Browse the articles below to start reading.

An in-depth analysis of Google's UCP implementation, ecosystem partnerships, and technical architecture for agentic commerce.

January 17, 2026

Based on official core concepts and overview specifications, exploring UCP's three-layer model and Profile-driven negotiation mechanism.

January 17, 2026