Letta is the platform for building stateful agents: AI with advanced memory that can learn and self-improve over time.

The memory-first coding agent

Open‑WebUI Tools is a modular toolkit designed to extend and enrich your Open WebUI instance, turning it into a powerful AI workstation. With a suite of over 15 specialized tools, function pipelines, and filters, this project supports academic research, agentic autonomy, multimodal creativity, workflows, and more

Your personal AI assistant that remembers everything across Telegram, Slack, WhatsApp, and Signal

Memory blocks for OpenCode, inspired by Letta.

An example chatbot application built on the Letta API, which makes each chatbot a stateful agent (agent with memory) under the hood.

A shared repository for skills. Intended to be used with Letta Code, Claude Code, Codex CLI, and other agents that support skills.

MCP server to manage letta server and comunicate with agents

Evaluation kit for testing stateful agents

Autonomous executive assistant with Letta memory layer

A powerful Obsidian plugin that integrates with Letta to provide a stateful AI agent that knows your vault contents and remembers your conversations

An open-source demo UI built on top of the Letta Code SDK

The SDK interface to Letta Code. Build deeply personalized agents with persistent memory that learn over time.

A Python SDK for accessing the Letta API

A TypeScript SDK for accessing the Letta API

Connect Letterboxd with Radarr

Deploy, update, and manage multiple stateful AI agents from YAML configuration files with simple commands like lettactl apply -f agents.yml

An example Discord chatbot built on the Letta API, which uses a stateful agent (agent with memory) under the hood.

An example of stateful AI agent powered by Letta and Gemini 3 pro.

A curated list of awesome Letta projects, tools, tutorials, and resources for building stateful AI agents with persistent memory.

Open-source deep research agent implemented with Letta

Chat with your Letta agents over a low-latency voice connection. Advanced voice mode, but with advanced memory.

A Modal application for serving a Letta agent on Telegram.

An LLM leaderboard for stateful agents

Code to generate Weaver, a Letta agent with a reverence for complete and accurate knowledge graphs built in neo4j.

The official Vercel AI SDK provider for Letta - the platform for building stateful AI agents with long-term memory. This provider enables you to use Letta agents seamlessly with the Vercel AI SDK ecosystem.

letta integration for terminalbench (#1 open source agent, in under 200 lines of code)

This is the official n8n node that allows you to integrate Letta AI agents into your n8n workflows.

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Create Letta App lets you create apps with Letta