lang
""
How to use it
lang is exposed by the Crawl4ai MCP MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the lang tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.
Install Crawl4ai MCP
$
pip install --upgrade pipOther tools in Crawl4ai MCP (18)
blocked
Likely anti-bot / verification / denied result
content
Markdown or HTML
content_format
markdown or html
engine
auto
fallback_engines_tried
Engines that failed before the successful one
fetch_urls
final_url
Final resolved URL after redirects
links
Normalized extracted links
llm_error
Why the LLM step degraded
llm_used
Whether LLM enhancement was actually applied
max_results
10
query
(required)
results
List of {title, url, snippet}
search_web
title
Extracted title
total
Number of results
url
Original URL
video_metadata
Present for supported video transcript extraction results