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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 2.4k 247

  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 63 11

  3. lettabot lettabot Public

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

    TypeScript 323 87

  4. letta-oss-ui letta-oss-ui Public

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

    TypeScript 71 15

  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 93 17

  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 1.1k 104

Repositories

Showing 10 of 49 repositories
  • letta-code Public

    The memory-first coding agent

    letta-ai/letta-code’s past year of commit activity
    TypeScript 2,389 Apache-2.0 247 83 42 Updated Apr 28, 2026
  • letta-node Public

    A TypeScript SDK for accessing the Letta API

    letta-ai/letta-node’s past year of commit activity
    TypeScript 48 Apache-2.0 12 2 1 Updated Apr 28, 2026
  • letta-python Public

    A Python SDK for accessing the Letta API

    letta-ai/letta-python’s past year of commit activity
    Python 51 Apache-2.0 12 3 4 Updated Apr 28, 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 63 Apache-2.0 11 4 3 Updated Apr 28, 2026
  • social-cli Public

    A unified CLI to connect artificial intelligence to the social web.

    letta-ai/social-cli’s past year of commit activity
    TypeScript 16 0 4 1 Updated Apr 22, 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 93 17 4 4 Updated Apr 22, 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 323 Apache-2.0 87 75 10 Updated Apr 22, 2026
  • context-constitution Public

    Viva la machina.

    letta-ai/context-constitution’s past year of commit activity
    61 CC0-1.0 5 1 1 Updated Apr 22, 2026
  • letta-code-server-deployment Public
    letta-ai/letta-code-server-deployment’s past year of commit activity
    Dockerfile 2 2 0 0 Updated Apr 22, 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 23 5 0 2 Updated Apr 20, 2026
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