OpenRuna
Sign in

Letta (ex-MemGPT)

AGENT

Platform for building stateful agents with advanced memory that learn and self-improve over time

View on GitHub

Overview

Free AI agent — Letta (ex-MemGPT). Platform for building stateful agents with advanced memory that learn and self-improve over time

What this agent does

"Letta (ex-MemGPT)" is a AI agent you can copy, adapt, and run with any modern AI assistant. Platform for building stateful agents with advanced memory that learn and self-improve over time On OpenRuna it sits inside a connected graph of related AI agents, tools, and datasets, so branching into adjacent resources is one click away. Paste it straight into a chat, drop it into a system prompt, or store it as a reusable skill.

Use cases

  • Hand "Letta (ex-MemGPT)" to a new teammate so their AI agent output matches your team's quality bar from day one.
  • Use "Letta (ex-MemGPT)" when you need a repeatable AI agent for professional work without rewriting instructions every time.
  • Reach for it during planning or review sessions when you want consistent, AI-assisted structure.
  • Combine it with related tools and prompts in the same OpenRuna category to build an end-to-end workflow.

Example output

Ask the model to apply "Letta (ex-MemGPT)" to your scenario and it returns a structured answer — clear sections, actionable steps, and assumptions stated upfront — ready to paste into docs, tickets, or code comments. A short follow-up turn usually tightens the result to exactly what you need.

Tips by platform

Claude

Claude works best when you paste this AI agent up front and ask it to outline its plan before writing. Use the artifact panel to refine structured output turn by turn.

ChatGPT

For ChatGPT, save this AI agent as a Custom Instruction or a saved prompt so it is one click away. Add your specifics in a follow-up rather than editing the original.

Cursor

Cursor users can store this AI agent as a project rule so Agent mode applies it automatically. Mention it with @ when you want it scoped to a single task.

Frequently asked questions

What is "Letta (ex-MemGPT)"?
It is a AI agent listed on OpenRuna — Platform for building stateful agents with advanced memory that learn and self-improve over time You can copy and adapt it for ChatGPT, Claude, Cursor, or any other AI assistant.
Is "Letta (ex-MemGPT)" free to use?
Most OpenRuna resources are open or CC0-licensed. Check the license shown on this page before commercial use; premium collections are clearly marked as such.
How do I get the best results from this AI agent?
Replace any placeholders, add your project context, and ask the model to confirm its assumptions first. Iterate over 2–3 follow-up turns rather than expecting a perfect first response.
Does "Letta (ex-MemGPT)" work with both Claude and ChatGPT?
Yes — it is model-agnostic text, so it runs on Claude, ChatGPT, Gemini, and Cursor. The tips on this page cover each of those assistants specifically.
Where can I find resources related to "Letta (ex-MemGPT)"?
Scroll to the Related resources section on this page, or open the matching category hub on OpenRuna to find connected prompts, tools, agents, and datasets in the same topic area.

Related resources