A2A Definition/Schema¶
Protobuf
The normative A2A protocol definition in Protocol Buffers (proto3 syntax). This is the source of truth for the A2A protocol specification.Download
You can download the proto file directly: a2a.proto
Definition
JSON
The A2A protocol JSON Schema definition (JSON Schema 2020-12 compliant). This schema is automatically generated from the protocol buffer definitions and bundled into a single file with all message definitions.Download
You can download the schema file directly: a2a.json