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Yetibrowser Mcp

Created By
yetidevworks3 months ago
YetiBrowser MCP is a fully open-source implementation of the Browser MCP workflow. It links a Node-based MCP server with Chrome/Firefox extensions so Model Context Protocol clients—Codex/Claude Code, Cursor, Windsurf, MCP Inspector, or your own tools—can automate a real browser tab while keeping every byte on your machine and auditable.
# browser
# chrome
OverviewContentToolsComments
Overview

what is YetiBrowser MCP?

YetiBrowser MCP is a fully open-source implementation of the Browser MCP workflow that connects a Node-based MCP server with Chrome/Firefox extensions, allowing Model Context Protocol clients to automate browser tabs while keeping all data local and auditable.

how to use YetiBrowser MCP?

To use YetiBrowser MCP, install the Chrome extension from the Chrome Web Store, set it to automatic connection mode, and run the MCP server using the command npx yetibrowser-mcp. For Firefox, the extension is pending full support.

key features of YetiBrowser MCP?

  • Transparent and hackable with no blob downloads.
  • Local-first design ensures browsing data remains on your device.
  • Cross-browser compatibility with shared logic for Chrome and Firefox.
  • Developer-focused tools for debugging and QA, including console capture and full-page screenshots.
  • Production-friendly with scripts for packaging and integration.

use cases of YetiBrowser MCP?

  1. Automating web testing and debugging.
  2. Capturing and comparing DOM changes for accessibility.
  3. Integrating with AI tools for enhanced browser automation.

FAQ from YetiBrowser MCP?

  • Is YetiBrowser MCP free to use?

Yes! YetiBrowser MCP is fully open-source and free to use.

  • Can I use YetiBrowser MCP with Firefox?

Currently, the Firefox extension is on hold until better support for Manifest V3 is available.

  • How do I troubleshoot connection issues?

The CLI will log port switching; ensure the extension is set to automatic mode to track the correct port.

Server Config

{
  "mcpServers": {
    "yetibrowser-mcp": {
      "command": "npx",
      "args": [
        "yetibrowser-mcp"
      ],
      "env": {}
    }
  }
}
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