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Langchain

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

Client Configuration

— Connect Langchain to Claude Desktop or Cursor in seconds
{
  "mcpServers": {
    "langchain-3": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-langchain-3"
      ],
      "env": {}
    }
  }
}
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).
Architecture & Capabilities

System Overview

Exposes fundamental mathematical operations as tools accessible via the Model Context Protocol (MCP) server.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Langchain

Langchain is an MCP (Model Context Protocol) server designed to expose fundamental mathematical operations (add, subtract, multiply, divide) as accessible tools for other systems.

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