Letta

Letta

Platform for stateful agents with long-term memory that learn and improve over time. Letta Code brings it to the terminal.

Open sourceAPITerminal

Standards support

MCP: supported
MCP

Supported

Agent Skills: supported
Agent Skills

Supported

Source
?AGENTS.md: not yet verified
AGENTS.md

Not yet verified

?ACP: not yet verified
ACP

Not yet verified

Links

Websitegithub.com/letta-ai/lettaSkills docs

Reviewed Oct 5, 2026.