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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 1.1k 134

  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 45 6

  3. lettabot lettabot Public

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

    TypeScript 196 32

  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 31 4

  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 51 11

  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 998 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 1,067 Apache-2.0 134 31 9 Updated Feb 14, 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 45 Apache-2.0 6 2 2 Updated Feb 14, 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 196 Apache-2.0 32 35 6 Updated Feb 13, 2026
  • letta-node Public

    A TypeScript SDK for accessing the Letta API

    letta-ai/letta-node’s past year of commit activity
    TypeScript 42 Apache-2.0 11 2 1 Updated Feb 13, 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 13, 2026
  • letta-evals Public

    Evaluation kit for testing stateful agents

    letta-ai/letta-evals’s past year of commit activity
    Python 49 Apache-2.0 5 4 6 Updated Feb 13, 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 998 Apache-2.0 92 7 3 Updated Feb 13, 2026
  • claude-subconscious Public

    Give Claude Code a subconscious

    letta-ai/claude-subconscious’s past year of commit activity
    TypeScript 411 MIT 39 5 1 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 53 MIT 12 0 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 51 11 3 4 Updated Feb 10, 2026
View all repositories

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