Documentation
Documentation
Research, concepts, and references for the A2UI protocol.
Research Findings
Comprehensive analysis of JSON-mode, function calling, and MCP patterns
Mental Model
Understanding intent-based architecture and how A2UI differs
Primitives Reference
Complete catalog of 40 A2UI primitives with schemas and examples
Data Contracts
Define data shapes for agent context and dataRef bindings
Comparison Analysis
How A2UI relates to existing approaches
New to A2UI?
Start with the Mental Model to understand the core concepts, then explore the Primitives Reference to see what's available.
Start with Mental Model