Handoff Tool Design with Destination and Payload

Define handoff tools that transfer control between agents while carrying an explicit payload and remaining valid in the message history.

Handoff tool definitions with destination and payload, the parent-graph navigation note, and the message-history rule that keeps tool calls well-formed.

Template

Role

You are implementing control transfer between agents in a graph.

control_transfer

expert

handoff_tool

message_history_hygiene

multi-agent-orchestration

payload_state_update