Research & Data · Knowledge Management

Langextract MCP logo

Langextract MCP

larsenweigle/langextract-mcp

A FastMCP server for Google's langextract library. This server enables AI assistants like Claude Code to extract structured information from unstructured text using Large Language Models through a MCP interface.

Install

Environment variables

LANGEXTRACT_API_KEY
Category
Research & Data, Knowledge Management
Updated
Oct 6, 2026

About Langextract MCP

LangExtract is a Python library that uses LLMs to extract structured information from text documents while maintaining precise source grounding. This MCP server exposes langextract's capabilities through the Model Context Protocol. The server includes intelligent caching, persistent connections, and server-side credential management to provide optimal performance in long-running environments like Claude Code.

Tools (4)

  • extract_from_text

    Extract structured information from provided text

  • extract_from_url

    Extract information from web content

  • save_extraction_results

    Save results to JSONL format

  • generate_visualization

    Create interactive HTML visualizations

Details on this page are taken from the project's README. Open README

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