Published: April 22, 2026 The Session Resume RFD has moved to Completed and theDocumentation Index
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session/resume method is stabilized.
Unlike session/load, session/resume reconnects clients to an existing session without replaying the conversation history. This is a simpler primitive for agents that can restore context but don’t implement full history replay, and it gives proxies and adapters a foundation they can build session/load semantics on top of.
For the shipped protocol, see Resuming Sessions. For the design history, see the Session Resume RFD.