letta

Python agent runtime with tool use and control flow; lean API; stateful agents with long-horizon memory.

memorypython

Stars: 25.3k
Adoption surface: mostly simple
Autonomy: headless
Recovery: durable
License: ✅ open-source
Category: Frameworks

Repository ↗ Example: Loop .af agent file ↗

Related in Frameworks

n8n
AutoGPT
Dify
langflow
langchain
browser-use

Maintain letta? Add the badge

Paste this into your README so readers can find the list and see how letta compares:

[![Best of Agent Harnesses](https://img.shields.io/badge/%F0%9F%8F%86_Best_of-Agent_Harnesses-5ac4bf)](https://github.com/RyanAlberts/best-of-Agent-Harnesses)