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Letta Railway

Verified Integration
Author: @SNYCFIRE-CORE•Category: ServerApplication
GitHub Repository
JSON-RPC 2.0
Protocol Standard
Sub-second
Execution Latency
Active
Operational Status
Tags:#Claude#Search#Database#API#Git#AI#GitHub#Node.js

Client Configuration

— Connect Letta Railway to Claude Desktop or Cursor in seconds
{
  "mcpServers": {
    "letta-railway": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-letta-railway"
      ],
      "env": {}
    }
  }
}
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).
Architecture & Capabilities

System Overview

Provides a cloud-optimized HTTP transport for connecting AI clients to Letta.ai's stateful agents, enabling seamless deployment and management on Railway.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Letta Railway

Letta Railway offers seamless integration with popular Model Context Protocol (MCP) compatible AI clients, including Claude Desktop, GitHub Copilot, Cursor, Replit, and Sourcegraph Cody, using its streamable HTTP transport.

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