Webtools MCP Server

@misterboe

About Webtools MCP Server

No overview available yet

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "webtools-mcp-server": {
      "command": "npx",
      "args": [
        "@bschauer/webtools-mcp-server"
      ]
    }
  }
}

Tools

Raw HTML content extraction

Markdown conversion

Screenshot capture

Debug console

Comprehensive Web Audit

Overview

What is Webtools MCP Server?

A Model Context Protocol server that provides comprehensive web analysis tools, including HTML extraction, markdown conversion, screenshot capture, a debug console, advanced performance analysis, and Lighthouse-powered web audits. It is designed for developers using Claude Desktop or Claude Code to analyze websites for content, performance, accessibility, and SEO.

How to use Webtools MCP Server?

Install globally with npm install -g @bschauer/webtools-mcp-server or run directly with npx @bschauer/webtools-mcp-server. Configure it in Claude Desktop by adding a JSON entry under mcpServers, or add it via claude mcp add in Claude Code. Token usage can be optimized by setting the ENABLED_TOOLS environment variable or using the --tools CLI argument with a preset (e.g., BASIC, WEB, PERFORMANCE) or a comma-separated list of individual tool names.

Key features of Webtools MCP Server

Raw HTML extraction with JavaScript rendering and proxy support
Markdown conversion with clean content and link preservation
Screenshot capture with full‑page, element‑specific, and device emulation
Debug console with network monitoring, error tracking, and performance metrics
Lighthouse audits for performance, accessibility, SEO, and best practices
Advanced performance tools: tracing, network analysis, code coverage, web vitals, cross‑device testing
Token usage optimization via presets (up to 89% reduction)
Configurable proxy, browser viewport, device presets, and network conditions

Use cases of Webtools MCP Server

Extract main content from any webpage as clean markdown
Take full‑page or element‑specific screenshots of web pages
Run comprehensive Lighthouse audits to improve site performance and SEO
Debug web pages by capturing console output, network requests, and errors
Analyze performance bottlenecks with traces, coverage analysis, and core web vitals

FAQ from Webtools MCP Server

Is Webtools MCP Server safe for production use?

No. The README explicitly states the software is AI‑assisted, provided as‑is, and should NOT be used in production without thorough testing. It may contain errors or security vulnerabilities.

What are the prerequisites to run Webtools MCP Server?

Node.js version 14 or higher is required. Chrome/Chromium is automatically provided by Puppeteer — no separate installation needed.

How can I reduce token usage when using Webtools MCP Server?

Set the ENABLED_TOOLS environment variable to a preset (e.g., BASIC for ~1k tokens) or use the --tools CLI argument with a preset or comma‑separated tool names. The BASIC preset reduces token usage by 89%.

How do I configure proxy or browser settings?

Create a configuration file at ~/.mcp/webtools-mcp-server.config.json. It supports proxy settings, browser viewport, device presets, and network condition profiles.

Frequently asked questions

Is Webtools MCP Server safe for production use?

No. The README explicitly states the software is AI‑assisted, provided as‑is, and should NOT be used in production without thorough testing. It may contain errors or security vulnerabilities.

What are the prerequisites to run Webtools MCP Server?

Node.js version 14 or higher is required. Chrome/Chromium is automatically provided by Puppeteer — no separate installation needed.

How can I reduce token usage when using Webtools MCP Server?

Set the `ENABLED_TOOLS` environment variable to a preset (e.g., `BASIC` for ~1k tokens) or use the `--tools` CLI argument with a preset or comma‑separated tool names. The `BASIC` preset reduces token usage by 89%.

How do I configure proxy or browser settings?

Create a configuration file at `~/.mcp/webtools-mcp-server.config.json`. It supports proxy settings, browser viewport, device presets, and network condition profiles.

Comments

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