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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 1k 130

  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 43 4

  3. lettabot lettabot Public

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

    TypeScript 185 30

  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 26 2

  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 49 9

  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 997 92

Repositories

Showing 10 of 42 repositories
  • letta-code Public

    The memory-first coding agent

    letta-ai/letta-code’s past year of commit activity
    TypeScript 1,020 Apache-2.0 130 31 12 Updated Feb 11, 2026
  • letta-evals Public

    Evaluation kit for testing stateful agents

    letta-ai/letta-evals’s past year of commit activity
    Python 48 Apache-2.0 4 4 4 Updated Feb 11, 2026
  • 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

    letta-ai/letta-obsidian’s past year of commit activity
    TypeScript 48 MIT 11 0 1 Updated Feb 11, 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 185 Apache-2.0 30 38 5 Updated Feb 11, 2026
  • letta-node Public

    A TypeScript SDK for accessing the Letta API

    letta-ai/letta-node’s past year of commit activity
    TypeScript 40 Apache-2.0 10 2 1 Updated Feb 11, 2026
  • 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 11 4 2 Updated Feb 11, 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 43 Apache-2.0 4 3 1 Updated Feb 10, 2026
  • skills Public

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

    letta-ai/skills’s past year of commit activity
    Python 49 9 3 3 Updated Feb 10, 2026
  • letta-code-action Public

    Integrate Letta Code into your GitHub repo to review issues, code, and more

    letta-ai/letta-code-action’s past year of commit activity
    TypeScript 7 Apache-2.0 0 3 0 Updated Feb 10, 2026
  • ezra Public

    Ezra's house.

    letta-ai/ezra’s past year of commit activity
    Shell 1 0 0 0 Updated Feb 10, 2026
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