Feature: memory portability across handoffs — verified memory bundles for agents and sessions

Maintainer of cognicore-env (open-source, MIT, MCP memory server) — feature proposal with code on offer.

In the Agents SDK, sessions manage conversation history and handoffs pass control — but not knowledge. An agent that learned something verified (a tool's quirks, a customer's constraints, a domain fact) cannot hand that to the next agent except by stuffing it into the prompt, which loses provenance, state, and expiry.

Proposal: memory export/import alongside handoffs. The bundle format we built carries each memory with proof — the command that was run, result, exit code, output hash — plus a chain of custody and trust decay across unverified hops. A memory imported by the receiving agent starts in an observed state and is promoted only after local re-verification. The design includes validity intervals (a fact verified in March is not evidence about April) and owner-per-concept for conflict resolution, from a public multi-team design review.

Concrete case inside this SDK: a triage agent hands off to a specialist agent and passes its verified memory of the issue so far — with the evidence trail — instead of a summarized prompt. The specialist does not re-ask the user what the triage agent already verified.

Our transfer machinery is implemented and tested across four platforms. Happy to contribute an examples/ integration if maintainers see the gap the same way.

Start by reviewing the SDK's session and handoff machinery, then compare its current behavior with the proposed cognicore-env memory bundle design. The payload mentions an examples/ integration as a possible contribution, but maintainers must first define the supported transfer format, verification behavior, and acceptance tests before completion can be measured.