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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 1.9k 194

  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 54 7

  3. lettabot lettabot Public

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

    TypeScript 274 65

  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 56 9

  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 73 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 98

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 49 Apache-2.0 12 3 4 Updated Mar 19, 2026
  • letta-node Public

    A TypeScript SDK for accessing the Letta API

    letta-ai/letta-node’s past year of commit activity
    TypeScript 45 Apache-2.0 12 2 1 Updated Mar 19, 2026
  • letta-code Public

    The memory-first coding agent

    letta-ai/letta-code’s past year of commit activity
    TypeScript 1,908 Apache-2.0 194 45 32 Updated Mar 19, 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 274 Apache-2.0 65 54 14 Updated Mar 19, 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 54 Apache-2.0 7 2 2 Updated Mar 19, 2026
  • letta-evals Public

    Evaluation kit for testing stateful agents

    letta-ai/letta-evals’s past year of commit activity
    Python 60 Apache-2.0 7 3 7 Updated Mar 19, 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 22 5 0 2 Updated Mar 18, 2026
  • claude-subconscious Public

    Give Claude Code a subconscious

    letta-ai/claude-subconscious’s past year of commit activity
    TypeScript 920 MIT 67 3 0 Updated Mar 18, 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 73 14 3 4 Updated Mar 16, 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 21,663 Apache-2.0 2,283 54 31 Updated Mar 16, 2026
View all repositories

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