Unverified50% confidenceFactExact time
When a Handoff occurs, the receiving agent starts a new run with its own system prompt and inherits the prior user messages and handoff record, but does not inherit the original agent's system prompt (unless explicitly passed).
1
Sources
50%
Confidence
Long-term
Relevance
10/28/2026
First Seen
Sources
AI Agent Handoff Mechanisms: The Fundamental Difference Between Handoff and Agent-as-Tool
youtubeWhiteboard Bytes10/28/2026
Related Entities
Related Claims
UnverifiedDuring a Handoff, the current message history is passed along to the new Agent, without requiring the caller to explicitly manage state transitions.71% similarUnverifiedHarness在转接过程中会预置系统提示词（system prompt），即便用户未写提示词，AI仍知道自己的身份69% similarVerifiedIn multi-turn conversations, the System message sets the behavioral tone and constraints, the user message represents user input, and the assistant message is the model's historical replies.67% similarUnverifiedThe robust approach is to have the called system return a unique identifier (such as a message ID, order number, or record primary key) after successful execution, and to check that the identifier was indeed generated by this call and can be queried in the target system.67% similarUnverifiedThe core logic of an autonomous system is that external events (such as emails, form submissions, or new database records) trigger AI processing nodes, which route according to rules and write results to downstream systems.66% similar
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