Letta Code

letta-code

A stateful agent harness for creating agents that are more like people than tools.

Runs as letta|macOS, Linux, Windows|www.letta.com

Open form in Otty otty.toml

Command form

ai-draft · 2 tasks · 7 fields

Start Letta Code interactively, start a new agent with a personality, or send a one-off headless message to an agent. Subcommands (server, computers, skills, setup) and other flags are left out.

Opens the form; the finished command lands at your prompt, unrun

Run in Otty

otty gui letta-code

Start Letta CodeExample values, fixed in this page — nothing here reaches a terminal

Basic

Create a new agent*

--new-agent

Personality*

tutorialstring

TasksEach one presets the form for one job

Start the tutorial agent

new_agentpersonality

Send a headless message

headlessagentcomputermessage

ParametersOnly these flags are editable in the form

Message

With the headless flag, the message to send and then exit.
string · positional 0

Headless message

Send the message without opening the interactive UI.
boolean

-p

Agent id

string

--agent

Computer

Name of a connected computer, or cloud for the agent's cloud sandbox.
string

--computercloud

Create a new agent

boolean

--new-agent

Personality

string

--personalitytutorial

Backend (this run only)

enum

--backendcloudlocal

SourcesEvery flag above is checked against these

readme

letta --new-agent --personality tutorial Use `--backend cloud` or `--backend local` for a one-off override without changing the saved default. Route a headless message through a specific computer: letta -p --agent <agent-id> --computer "work-laptop" "hello from that machine" Use `--computer cloud` to start or reuse the target agent's cloud sandbox.

help2026-10

github.com

Before it fills your prompt, Otty checks the installed letta against its version. A form that does not match your version is not offered.