Agent harnessSoftware development

letta-code

Build stateful agents with memory, identity, and long-term learning

Stars
2,826
Forks
326
License
Apache-2.0
Updated
Updated Jul 10, 2026

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Project overview

Letta Code is a stateful agent harness built around persistent memory, identity, and experience over time. Agents can revise their own memory, skills, and prompts as they learn, while remaining accessible through a CLI, desktop app, browser, or messaging channels. Message search, subagents, and schedules support work that continues across sessions.

Repository facts

Primary language
TypeScript
License
Apache-2.0
Repository updated
Jul 10, 2026
Default branch
main

Resource types

Agent harnessAgent runtimeCLI appCoding agent

Use cases

Software developmentAI and agent developmentCommunication and collaborationKnowledge managementWorkflow automation

Operating systems

LinuxmacOSWindows

Runtime

BrowserCommand lineCloudDesktopLocal

Protocols & integrations

CLI integration

Capabilities

Background executionContent managementEvent triggerMemoryTool useWorkflow automation

Audience

DevelopersResearchers

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