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Lazy Router

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

Client Configuration

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

System Overview

Proxies MCP server requests with lazy loading and hierarchical routing to optimize tool activation and reduce context usage.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Lazy Router

It significantly reduces LLM context usage (up to 95%) by initially exposing only two meta-tools: `get_tools_in_category` and `execute_tool`. MCP servers are then lazy-loaded on-demand only when a specific tool within them is actually requested and executed.

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