Repositories list

• letta-code

  Public
  A self-improving, stateful coding agent that can learn from experience and improve with use.

  TypeScript

  •

  Apache License 2.0

  •17•111•6•12•Updated Dec 1, 2025Dec 1, 2025

• letta-evals

  Public
  Evaluation kit for testing Letta AI agents

  language-modelagentsevaluation-framework+ 3lettaletta-agentsagentevals

  Python

  •

  Apache License 2.0

  •0•20•1•3•Updated Nov 30, 2025Nov 30, 2025

• letta-node

  Public
  A TypeScript SDK for accessing the Letta API

  TypeScript

  •

  Apache License 2.0

  •7•36•1•3•Updated Nov 30, 2025Nov 30, 2025

• letta-python

  Public
  A Python SDK for accessing the Letta API

  Python

  •

  Apache License 2.0

  •9•45•3•2•Updated Nov 30, 2025Nov 30, 2025

• letta

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

  aiai-agentsllm+ 1llm-agent

  Python

  •

  Apache License 2.0

  •2k•19k•22•49•Updated Nov 29, 2025Nov 29, 2025

• learning-sdk

  Public
  Drop-in SDK for adding persistent memory and learning to any agent.

  Python

  •

  Apache License 2.0

  •0•10•0•1•Updated Nov 26, 2025Nov 26, 2025

• agent-file

  Public
  Agent File (.af): An open file format for serializing stateful AI agents with persistent memory and behavior. Share, checkpoint, and version control agents across compatible frameworks.

  Python

  •

  Apache License 2.0

  •86•963•6•3•Updated Nov 21, 2025Nov 21, 2025

• letta-obsidian

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

  TypeScript

  •

  MIT License

  •10•26•0•0•Updated Nov 21, 2025Nov 21, 2025

• letta-chatbot-example

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

  TypeScript

  •

  MIT License

  •36•88•0•0•Updated Nov 20, 2025Nov 20, 2025

• skills

  Public
  A shared repository for skills.

  Python

  •0•6•0•2•Updated Nov 18, 2025Nov 18, 2025

• letta-telegram

  Public
  A Modal application for serving a Letta agent on Telegram.

  Python

  •4•14•0•0•Updated Nov 15, 2025Nov 15, 2025

• co

  Public
  Your thinking partner.

  TypeScript

  •2•7•0•0•Updated Nov 11, 2025Nov 11, 2025

• vercel-ai-sdk-provider

  Public
  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.

  typescriptsdkreactjs+ 6nextjsagentsvercelvercel-ai-sdklettaletta-agents

  TypeScript

  •

  MIT License

  •6•15•0•0•Updated Nov 10, 2025Nov 10, 2025

• ai-memory-sdk

  Public
  An experimental SDK for adding agentic memory and learning in a pluggable way

  Python

  •

  Apache License 2.0

  •3•34•1•0•Updated Nov 4, 2025Nov 4, 2025

• terminal-bench

  Public
  A benchmark for LLMs on complicated tasks in the terminal

  Python

  •

  Apache License 2.0

  •405•0•0•0•Updated Oct 27, 2025Oct 27, 2025

• n8n-nodes-letta

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

  TypeScript

  •

  MIT License

  •2•9•0•6•Updated Oct 26, 2025Oct 26, 2025

• awesome-letta

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

  MIT License

  •3•13•0•0•Updated Oct 23, 2025Oct 23, 2025

• letta-terminalbench

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

  Python

  •1•13•1•2•Updated Oct 22, 2025Oct 22, 2025

• letta-leaderboard

  Public archive
  An LLM leaderboard for stateful agents

  Python

  •5•19•1•0•Updated Oct 16, 2025Oct 16, 2025

• thought-stream-website

  Public
  A viewer for a multi-agent chat room, powered by ATProto.

  JavaScript

  •0•2•1•0•Updated Oct 9, 2025Oct 9, 2025

• letta-discord-bot-example

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

  JavaScript

  •

  MIT License

  •13•30•4•0•Updated Oct 9, 2025Oct 9, 2025

• .github

  Public
  1•1•0•0•Updated Sep 26, 2025Sep 26, 2025

• recovery-bench

  Public
  Recovery-Bench is a benchmark for evaluating the capability of LLM agents to recover from mistakes

  Python

  •3•10•0•3•Updated Sep 11, 2025Sep 11, 2025

• letta-duckdb-agent

  Public
  Example text-to-sql agent using Motherduck (DuckDB)

  Python

  •

  Apache License 2.0

  •0•2•0•0•Updated Aug 24, 2025Aug 24, 2025

• deep-research

  Public
  Open-source deep research agent implemented with Letta

  Python

  •5•19•1•0•Updated Aug 19, 2025Aug 19, 2025

• create-letta-app

  Public
  Create Letta App lets you create apps with Letta

  TypeScript

  •5•14•1•0•Updated Jul 22, 2025Jul 22, 2025

• characterai-memory

  Public
  Example CharacterAI-style web app that runs on Letta to create characters with memory.

  TypeScript

  •

  MIT License

  •5•10•0•0•Updated Jun 19, 2025Jun 19, 2025

• letta-voice

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

  Python

  •

  MIT License

  •10•17•1•2•Updated Jun 11, 2025Jun 11, 2025

• sleep-time-compute

  Public
  accompanying material for sleep-time compute paper

  Python

  •

  MIT License

  •14•117•2•0•Updated Apr 30, 2025Apr 30, 2025

• letta-research-onsite

  Public
  Letta (formerly MemGPT) is the stateful agents framework with memory, reasoning, and context management.

  Python

  •

  Apache License 2.0

  •2k•0•0•0•Updated Apr 21, 2025Apr 21, 2025