Pattern

Letta

A memory-first agent framework with multi-tier memory architecture: core memory always in context, recall memory queried on demand, archival memory long-tail.

Classification — Retrieve + Compute. Tier 3.

Full entry

The complete treatment — problem, how it works, when to use it, sources, and examples — lives in the volume below.

Vol. 03 The AI Agent Tools Catalog Workflow & Primitives

Browse the full pattern index or the catalog.