HCP Specification (English)

Full protocol specification documents for the Harness Communication Protocol.

Document Description
Overview Protocol overview and design principles
Architecture Layered architecture and interaction model
L1: Transport & Encoding AMQP topology, message envelope, stream continuity
L2: Session & Lifecycle Session state machine, event stream, checkpoint
L3: Safety & Contract Risk assessment, capability declaration, session token
L4: Task Task submission, results, error handling

Table of contents