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LangExtract

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

Client Configuration

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

System Overview

Enables AI assistants to extract structured information from unstructured text using Google's langextract library through an optimized Model Context Protocol interface.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for LangExtract

LangExtract supports diverse use cases, including extracting medical information from clinical notes, structuring legal contracts, analyzing research paper findings, and gleaning insights from customer feedback or financial documents across various industries.

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