LocalFree

unbrowser by Unchained MCP server

protostatis/unbrowser

Lightweight native browser that runs JavaScript, follows links, fills forms, manages cookies and returns low-token BlockMaps, without Chrome.

17 GitHub stars1 forks
Source code Website

Install unbrowser by Unchained in Claude Code

Claude Code
claude mcp add unbrowser-by-unchained -- uvx pyunbrowser
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "unbrowser-by-unchained": {
      "command": "uvx",
      "args": [
        "pyunbrowser"
      ]
    }
  }
}

Frequently asked questions

What does the unbrowser by Unchained MCP server do?

Lightweight native browser that runs JavaScript, follows links, fills forms, manages cookies and returns low-token BlockMaps, without Chrome.

Is the unbrowser by Unchained MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does unbrowser by Unchained run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add unbrowser by Unchained to Claude Code?

Run: claude mcp add unbrowser-by-unchained -- uvx pyunbrowser

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