Concepts
Core concepts behind lettactl fleet management.
Declarative Configuration
How lettactl uses YAML to define and manage agent fleets with a single source of truth.
Resource Types & Shared Resources
Everything lettactl manages — agents, memory blocks, folders, archives, tools, and MCP servers — all powered by the Letta platform's stateful agent infrastructure.
Memory Model
How Letta's stateful memory system works and how lettactl manages memory lifecycle across your fleet.
Diff Engine
How lettactl compares your local config against live server state and computes the minimum set of changes.