0xmassi avatar

webclaw

0xmassi/webclaw

Reach for this when you need to pull web content into a clean, usable format without wrestling with HTML parsing yourself. It handles the full pipeline from fetching arbitrary URLs to extracting the meaningful content and converting it to markdown. You can scrape individual pages, crawl through sites, or get AI-generated summaries of what you extract. The stdio transport makes it straightforward to pipe into Claude or other MCP clients. Saves you from spinning up headless browsers or dealing with the usual web scraping headaches when you just need structured text from the web.

GitHub stars
2.4K
tools
12
auth
Secret needed
transport
STDIO, HTTP
env var
1
last updated
Nov 3, 2026

Tools

12 tools

Public tool metadata for what this MCP can expose to an agent.

scrapeExtract one URL as markdown, text, JSON, LLM format, or HTML

Extract one URL as markdown, text, JSON, LLM format, or HTML

No parameter schema in public metadata yet.

selectPick values or records from a page with CSS selectors or XPath, its data tables, elements found by text, or every element like an example, as JSON

Pick values or records from a page with CSS selectors or XPath, its data tables, elements found by text, or every element like an example, as JSON

No parameter schema in public metadata yet.

screenshotCapture a page's viewport or the whole page as PNG or JPEG, print it to PDF, or save it as one MHTML file

Capture a page's viewport or the whole page as PNG or JPEG, print it to PDF, or save it as one MHTML file

No parameter schema in public metadata yet.

crawlFollow same-origin links and extract discovered pages, most relevant first with a query

Follow same-origin links and extract discovered pages, most relevant first with a query

No parameter schema in public metadata yet.

mapDiscover URLs from sitemaps, a short crawl and the Common Crawl index without extracting every page

Discover URLs from sitemaps, a short crawl and the Common Crawl index without extracting every page

No parameter schema in public metadata yet.

batchScrape multiple URLs in parallel

Scrape multiple URLs in parallel

No parameter schema in public metadata yet.

extractConvert page content into structured data

Convert page content into structured data

No parameter schema in public metadata yet.

summarizeSummarize a page

Summarize a page

No parameter schema in public metadata yet.

diffCompare page content snapshots

Compare page content snapshots

No parameter schema in public metadata yet.

brandExtract colors, fonts, logos, and metadata

Extract colors, fonts, logos, and metadata

No parameter schema in public metadata yet.

searchSearch the web and scrape results

Search the web and scrape results

No parameter schema in public metadata yet.

researchMulti-source research workflow

Multi-source research workflow

No parameter schema in public metadata yet.

Sponsors

Configuration

WEBCLAW_API_KEYsecret

Optional Webclaw API key. Enables cloud fallback for bot-protected and JavaScript-heavy pages.

Readme

English | 简体中文

webclaw

webclaw

Turn websites into clean markdown, JSON, and LLM-ready context.
CLI, MCP server, REST API, and SDKs for AI agents and RAG pipelines.

Stars Version License npm installs


View the full README on GitHub

Details

Repository
github.com/0xmassi/webclaw
Website
webclaw.io
Category
Search & Web Crawling
Package
@webclaw/mcp
Transport
STDIO, HTTP
Auth
Required
Registry
MCP registry, active

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