Letta MCP Server

MCP server to manage letta server and comunicate with agents

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Overview

Letta MCP Server is an implementation of the Model Context Protocol (MCP) designed to manage the Letta server and facilitate communication with agents.

To use the Letta MCP Server, clone the repository, install the dependencies, and configure the server with your Letta API credentials. You can then use various scripts to manage agents and memory blocks.

Create and manage Letta agents - List and filter available agents - Create and manage memory blocks - Attach memory blocks to agents - List and manage agent tools - Send messages to agents and receive responses

Managing multiple agents in the Letta system.
Creating and attaching memory blocks to enhance agent capabilities.
Facilitating communication between users and agents through message exchanges.

Add to your AI client

Use these steps to connect Letta MCP Server in Cursor, Claude, VS Code, and other MCP-compatible apps. The same JSON appears in the Use with menu above for one-click copy.

Cursor

Add this to your .cursor/mcp.json file in your project root, then restart Cursor.

.cursor/mcp.json

{
  "mcpServers": {
    "letta-mcp-server-oculairmedia": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-letta-mcp-server-oculairmedia"
      ]
    }
  }
}

Claude Desktop

Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.

~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

{
  "mcpServers": {
    "letta-mcp-server-oculairmedia": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-letta-mcp-server-oculairmedia"
      ]
    }
  }
}

Claude Code

Add this to your project's .mcp.json file. Claude Code will detect it automatically.

.mcp.json (project root)

{
  "mcpServers": {
    "letta-mcp-server-oculairmedia": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-letta-mcp-server-oculairmedia"
      ]
    }
  }
}

VS Code (Copilot)

Add this to your .vscode/mcp.json file. Requires the GitHub Copilot extension with MCP support enabled.

.vscode/mcp.json

{
  "servers": {
    "letta-mcp-server-oculairmedia": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-letta-mcp-server-oculairmedia"
      ]
    }
  }
}

Windsurf

Add this to your Windsurf MCP config file, then restart Windsurf.

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "letta-mcp-server-oculairmedia": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-letta-mcp-server-oculairmedia"
      ]
    }
  }
}

Cline

Open Cline settings, navigate to MCP Servers, and add this server configuration.

Cline MCP Settings (via UI)

{
  "mcpServers": {
    "letta-mcp-server-oculairmedia": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-letta-mcp-server-oculairmedia"
      ]
    }
  }
}

FAQ

What is the purpose of the Letta MCP Server?

It serves as a management tool for the Letta API, allowing users to interact with agents and manage their configurations.

How do I install the Letta MCP Server?

You can install it by cloning the repository and running the installation commands provided in the documentation.

Is there a license for the Letta MCP Server?

Yes, it is licensed under the MIT License.

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