Letta MCP Server

Name: Letta MCP Server
Author: oculairmedia

oculairmedia

Lets agents manage agents, memory blocks and tools on a Letta server via the Letta API and communicate with those agents.

Setup

Choose your client, copy the config, then fill in any required environment variables.

Add to Cursor Add to VS Code

claude mcp add letta --env LETTA_BASE_URL='<LETTA_BASE_URL>' --env LETTA_PASSWORD='<LETTA_PASSWORD>' -- docker pull ghcr.io/oculairmedia/letta-mcp-server-rust:rust-latest

~/.codex/config.toml

[mcp_servers.letta]
command = "docker"
args = ["pull", "ghcr.io/oculairmedia/letta-mcp-server-rust:rust-latest"]
env = { LETTA_BASE_URL = "<LETTA_BASE_URL>", LETTA_PASSWORD = "<LETTA_PASSWORD>" }

# codex mcp add letta --env LETTA_BASE_URL='<LETTA_BASE_URL>' --env LETTA_PASSWORD='<LETTA_PASSWORD>' -- docker pull ghcr.io/oculairmedia/letta-mcp-server-rust:rust-latest

~/.cursor/mcp.json

{
  "mcpServers": {
    "letta": {
      "command": "docker",
      "args": [
        "pull",
        "ghcr.io/oculairmedia/letta-mcp-server-rust:rust-latest"
      ],
      "env": {
        "LETTA_BASE_URL": "<LETTA_BASE_URL>",
        "LETTA_PASSWORD": "<LETTA_PASSWORD>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "letta": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "pull",
        "ghcr.io/oculairmedia/letta-mcp-server-rust:rust-latest"
      ],
      "env": {
        "LETTA_BASE_URL": "<LETTA_BASE_URL>",
        "LETTA_PASSWORD": "<LETTA_PASSWORD>"
      }
    }
  }
}

~/.gemini/settings.json

{
  "mcpServers": {
    "letta": {
      "command": "docker",
      "args": [
        "pull",
        "ghcr.io/oculairmedia/letta-mcp-server-rust:rust-latest"
      ],
      "env": {
        "LETTA_BASE_URL": "<LETTA_BASE_URL>",
        "LETTA_PASSWORD": "<LETTA_PASSWORD>"
      }
    }
  }
}

claude_desktop_config.json

{
  "mcpServers": {
    "letta": {
      "command": "docker",
      "args": [
        "pull",
        "ghcr.io/oculairmedia/letta-mcp-server-rust:rust-latest"
      ],
      "env": {
        "LETTA_BASE_URL": "<LETTA_BASE_URL>",
        "LETTA_PASSWORD": "<LETTA_PASSWORD>"
      }
    }
  }
}

.trae/mcp.json

{
  "mcpServers": {
    "letta": {
      "command": "docker",
      "args": [
        "pull",
        "ghcr.io/oculairmedia/letta-mcp-server-rust:rust-latest"
      ],
      "env": {
        "LETTA_BASE_URL": "<LETTA_BASE_URL>",
        "LETTA_PASSWORD": "<LETTA_PASSWORD>"
      }
    }
  }
}

Environment variables

LETTA_BASE_URL
LETTA_PASSWORD

Replace the placeholders with your own credentials and keep them out of version control.

Setup

Environment variables

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