Unverified50% confidenceFactExact time
In the OpenAI Agents SDK, an agent in the tools list is converted into an ordinary tool via the agent.as_tool() method; when called, it starts an independent sub-run and returns only the final output string to the parent agent, and the parent run's conversation state is not inherited.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/28/2026
First Seen
Valid until: 1/26/2027
Sources
AI Agent Handoff Mechanisms: The Fundamental Difference Between Handoff and Agent-as-Tool
youtubeWhiteboard Bytes10/28/2026
Related Entities
Related Claims
UnverifiedAfter the first forced tool call is triggered, the OpenAI Agents SDK silently resets the agent's tool-selection authority back to automatic mode, making "force tool use" a one-time push rather than a persistent instruction.80% similarUnverifiedThe OpenAI Agents SDK supports marking ordinary Python functions as tools via the @function_tool decorator and placing them in an Agent's tools list.80% similarUnverifiedIn Agent-as-Tool mode, the expert agent receives only a task string as the user message; its context is deliberately isolated, and the full conversation state of the parent run is not automatically passed in.79% similarUnverifiedIn the OpenAI Agents SDK, after a run ends, result.last_agent points to the agent that actually handled the request last, making it easy to reuse the correct agent instance when continuing the conversation after a handoff.76% similarVerifiedAI Agent通过工具调用（Tool Use）机制与外部系统交互，包括执行代码、调用API、读写数据库等75% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1107093API
curl https://kongchang.com/api/v1/knowledge/claims/1107093MCP
get_claim(id=1107093)