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DimensionFetcher MCP ServerMCP server for fetching web page content using Playwright headless browser.FSB MCP ServerControl the FSB browser extension from any MCP client for DOM-first AI browser automation.
FMRS43 / 100 · D66 / 100 · C
Reliability6 / 2010 / 20
Security and permissions10 / 2014 / 20
Maintenance8 / 2015 / 20
Documentation12 / 2015 / 20
Setup experience7 / 2012 / 20
Best for
  • Developers needing to scrape modern JavaScript-rendered websites
  • Data collection scenarios requiring batch fetching
  • Users who want automatic extraction of main content
  • Developers who want AI clients to directly control the browser
  • Scenarios requiring DOM-level understanding and low-latency automation (50-200 ms)
  • Multi-client support (Claude Code, Cursor, VS Code, etc.)
  • Internal tools or automation scripts needing browser interaction
Not for
  • Scenarios where full original HTML is required and content extraction is prohibited (can be bypassed with settings, but extraction is default)
  • Users who need persistent login sessions but cannot provide custom cookies
  • Deployment in environments without Node.js and without desire to use Docker
  • Headless browser or server-side monitoring
  • Bypassing website restrictions or unsupervised automation
  • Automation on sensitive pages without human supervision
  • Complex scenarios that require visual understanding (e.g., screenshots)
Required permissions
  • Access to network to download web resources
  • Running a headless browser (Playwright Chromium)
  • Read and write temporary files (for browser cache)
  • Requires installing the Chrome extension, which requests permissions for active tab, debugger, storage, etc.
  • MCP server needs to connect to the extension via WebSocket (default ws://localhost:7225)
  • Optional Streamable HTTP mode requires allowing connections to http://127.0.0.1:7226/mcp
  • Uploading files requires providing absolute local paths
Risks and side effects
  • May be identified as a crawler by target websites and trigger anti-bot mechanisms
  • Headless browser execution may consume significant memory and CPU
  • Fetched content may be subject to copyright or terms of use restrictions
  • Browser automation can be unpredictable on complex or sensitive sites; supervision is required
  • Credentials and payment info are stored in a vault but require user unlock flows
  • API keys are encrypted in Chrome storage, but clients may send page context to model providers
  • MCP server is a local process, posing local security risks
  • Capability catalog allows most non-denied origins but is gated by multiple checks
Supported clientsClaude DesktopClaude Desktop, Claude Code, Cursor, VS Code, Windsurf, Codex
Tools330