Letta
Letta is a platform for building stateful agents that keep memory and improve over time for developers building long-running AI assistants.
What it is good for
- Keeping an AI assistant's memory across many conversations
- Running a self-hosted agent on your own computer or server
- Connecting an AI agent to Slack, Telegram, or Discord
- Building agents into TypeScript applications
At a glance
- Who it is for
- Setup
- Guided command-line setup
Level 4 of 5. You copy and paste commands into a terminal by following the instructions. Comfortable territory for vibe coders.
- Cost
- Not stated
- Type
- Agent app
- Tasks
- Works with
- Slack, Telegram, Discord, TypeScript
Momentum
- Rank this week
- Not ranked yet
- Best rank
- None yet
- GitHub stars
- 25,319
GitHub numbers as of Nov 2, 2026. Updated weekly.
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Do I need to know how to code to use Letta?
- You do not need to write code, but setup means copying and pasting commands into a terminal by following its instructions.
- What does Letta work with?
- According to its own documentation, it works with Slack, Telegram, Discord, and TypeScript.
- What is Letta good for?
- Keeping an AI assistant's memory across many conversations, running a self-hosted agent on your own computer or server, connecting an AI agent to Slack, Telegram, or Discord, and building agents into TypeScript applications.
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