Letta MCP Server

Name: Letta MCP Server
Author: oculairmedia

letta-mcp-server · by oculairmedia

MCP server to manage letta server and comunicate with agents

79 20/wk 7 tools GitHub npm

No known CVEs

MIT license

Actively maintained

Last commit 18d ago

Works with most clients

Transport: stdio, sse, http

7 tools · ~819 tok

Grade B · 0.4% of 200K ctx

MCPpedia last refreshed this data 1d ago

Edit this pageView history

Letta MCP Server is an MCP server that MCP server to manage letta server and comunicate with agents. Its tool list has not been published yet over stdio, sse and http, requires no API key, and scores 82/100 on MCPpedia's security, maintenance and efficiency rubric.

AI / ML

Step 1

Install in your client

Config is the same across clients - only the file and path differ.

Supported in Claude Desktopstdio, sse, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "letta": {
      "env": {
        "LETTA_BASE_URL": "http://localhost:8283",
        "LETTA_PASSWORD": "your-password"
      },
      "command": "letta-mcp"
    }
  }
}

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What Letta MCP Server does

A high-performance Model Context Protocol (MCP) server for Letta AI, built with Rust and the TurboMCP framework.

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked - your result helps other developers.

npx -y 'letta-mcp-server' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

Scored, not listed

Why this score

Five weighted categories - click any category to see the underlying evidence.

Score breakdown

82/100across 5 weighted dimensions

How we score →

0255075100

−18

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked letta-mcp-server against OSV.dev.

Inventory

Tools (7)

Click any tool to inspect its schema.

~819 tokens total

Community

Reviews

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How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is Letta MCP Server safe to use?: Letta MCP Server has no known CVEs as of the latest MCPpedia security scan. Authentication requirements were not detected automatically - check the project's documentation before connecting in a shared environment. Licensed under MIT.
How do I install Letta MCP Server?: Letta MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can Letta MCP Server do?: Letta MCP Server provides 7 tools: letta_agent_advanced, letta_memory_unified, letta_tool_manager, letta_source_manager, letta_job_monitor and 2 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with Letta MCP Server?: Letta MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
Is Letta MCP Server actively maintained?: Letta MCP Server is actively maintained - last commit was 18 days ago. It has 79 GitHub stars.

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Community

Discussion

Start a conversation

Ask a question, share a tip, or report an issue.

Has anyone used this with Cursor?How do you handle auth?Any alternatives?

Frequently Asked Questions

Is Letta MCP Server safe to use?

Letta MCP Server has no known CVEs as of the latest MCPpedia security scan. Authentication requirements were not detected automatically - check the project's documentation before connecting in a shared environment. Licensed under MIT.

How do I install Letta MCP Server?

Letta MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can Letta MCP Server do?

Letta MCP Server provides 7 tools: letta_agent_advanced, letta_memory_unified, letta_tool_manager, letta_source_manager, letta_job_monitor and 2 more. See the full tools list on the server page for descriptions and parameters.

What AI clients work with Letta MCP Server?

Letta MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.

Is Letta MCP Server actively maintained?

Letta MCP Server is actively maintained - last commit was 18 days ago. It has 79 GitHub stars.