Glossary

Cross-session memory

Cross-session memory is what an AI agent keeps from one conversation to the next. Harny keeps it per user, so a new session recalls the same person's earlier facts.

What cross-session memory is

An agent without memory starts each conversation blank. Cross-session memory stores facts from past sessions and makes them available when a new session begins.

The stored facts are tied to a person or a context, so the agent can answer with what that person already said.

Why it is hard

  • Facts change over time, so old values must be replaced or dated.
  • Stored memory must stay separate for each person.
  • Recall must return the right facts without flooding the model's context.

How it works in Harny

  • Harny keeps each person's memory separately, per user.
  • A new session recalls the same person's earlier facts through the Memory API.

Does the end user need a Harny account?

No. The app's developer calls the Memory API, and end users need no Harny account.

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