Overview
Letta positions itself as an “AI Operating System” for building production-ready stateful agents. It wraps any model in a memory, reasoning and tooling layer, and ships a visual Agent Development Environment (ADE) plus cloud and self-host options.
Key Capabilities
- One-call Agents API that persists agent state and memory
- ADE GUI to inspect and edit memory, reasoning steps and tool calls in real time
- Built-in Model Context Protocol (MCP) for custom tool integration
- Versioning, rollback and production deployment workflows
- SDKs for Python, Node and Vercel AI SDK
