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@letta-ai

Letta

The platform for stateful AI agents
README.md

Hello World 👾

Letta Logo

Letta is the platform for building deeply personalized, stateful AI agents that remember you and learn over time.

Try Letta Code to deploy a stateful agent on your own computer:

npm install -g @letta-ai/letta-code

# then navigate to a project directory, and run `letta`
cd my-project
letta

Useful links:

Letta is made with 💜 by our team in San Francisco (join us!) and over 100 individual contributors from around the world.

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  1. letta-code letta-code Public

    The memory-first coding agent

    TypeScript 1.7k 177

  2. letta-code-sdk letta-code-sdk Public

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

    TypeScript 50 7

  3. lettabot lettabot Public

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

    TypeScript 247 53

  4. letta-cowork letta-cowork Public

    Claude Cowork, but using a stateful agent that learns more about you and grows over time. Built on the Letta Code SDK.

    TypeScript 48 8

  5. skills skills Public

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

    Python 64 14

  6. agent-file 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.

    TypeScript 1k 97

Repositories

Showing 10 of 46 repositories
  • letta-python Public

    A Python SDK for accessing the Letta API

    letta-ai/letta-python’s past year of commit activity
    Python 48 Apache-2.0 12 3 4 Updated Mar 4, 2026
  • letta-node Public

    A TypeScript SDK for accessing the Letta API

    letta-ai/letta-node’s past year of commit activity
    TypeScript 44 Apache-2.0 12 2 1 Updated Mar 4, 2026
  • letta-code Public

    The memory-first coding agent

    letta-ai/letta-code’s past year of commit activity
    TypeScript 1,737 Apache-2.0 177 37 23 Updated Mar 4, 2026
  • letta Public

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

    letta-ai/letta’s past year of commit activity
    Python 21,380 Apache-2.0 2,238 43 33 Updated Mar 4, 2026
  • recovery-bench Public

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

    letta-ai/recovery-bench’s past year of commit activity
    Python 17 5 0 2 Updated Mar 4, 2026
  • letta-evals Public

    Evaluation kit for testing stateful agents

    letta-ai/letta-evals’s past year of commit activity
    Python 53 Apache-2.0 7 4 7 Updated Mar 4, 2026
  • lettabot Public

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

    letta-ai/lettabot’s past year of commit activity
    TypeScript 247 Apache-2.0 53 37 6 Updated Mar 4, 2026
  • letta-code-sdk Public

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

    letta-ai/letta-code-sdk’s past year of commit activity
    TypeScript 50 Apache-2.0 7 1 2 Updated Mar 3, 2026
  • 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.

    letta-ai/agent-file’s past year of commit activity
    TypeScript 1,009 Apache-2.0 97 7 3 Updated Mar 3, 2026
  • harbor Public Forked from harbor-framework/harbor

    Harbor is a framework for running agent evaluations and creating and using RL environments.

    letta-ai/harbor’s past year of commit activity
    Python 0 Apache-2.0 615 0 0 Updated Mar 2, 2026
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