NexusBrowser

MCP server · by pironjulien

Browser Automation Python v2.31.4

Your real Chrome, driven in background tabs. Needs the NexusBrowser bridge and extension.

View source ↗ Website ↗ Generate config for multiple servers More servers

Install

Pin version registry version 2.31.4

Python
uvx nexus-browser

Python
uvx nexus-browser@2.31.4

Setup by client

Pick your client — the config below is generated for this server (local stdio). Copy respects the “Pin version” switch above.

claude_desktop_config.json

{
  "mcpServers": {
    "nexus-browser": {
      "command": "uvx",
      "args": [
        "nexus-browser"
      ]
    }
  }
}

{
  "mcpServers": {
    "nexus-browser": {
      "command": "uvx",
      "args": [
        "nexus-browser@2.31.4"
      ]
    }
  }
}

Format verified against the official Claude Desktop docs ↗.

terminal

claude mcp add nexus-browser -- uvx nexus-browser

claude mcp add nexus-browser -- uvx nexus-browser@2.31.4

Format verified against the official Claude Code docs ↗.

.cursor/mcp.json

{
  "mcpServers": {
    "nexus-browser": {
      "command": "uvx",
      "args": [
        "nexus-browser"
      ]
    }
  }
}

{
  "mcpServers": {
    "nexus-browser": {
      "command": "uvx",
      "args": [
        "nexus-browser@2.31.4"
      ]
    }
  }
}

Format verified against the official Cursor docs ↗.

.vscode/mcp.json

{
  "servers": {
    "nexus-browser": {
      "command": "uvx",
      "args": [
        "nexus-browser"
      ]
    }
  }
}

{
  "servers": {
    "nexus-browser": {
      "command": "uvx",
      "args": [
        "nexus-browser@2.31.4"
      ]
    }
  }
}

Format verified against the official VS Code docs ↗.

mcp_config.json

{
  "mcpServers": {
    "nexus-browser": {
      "command": "uvx",
      "args": [
        "nexus-browser"
      ]
    }
  }
}

{
  "mcpServers": {
    "nexus-browser": {
      "command": "uvx",
      "args": [
        "nexus-browser@2.31.4"
      ]
    }
  }
}

Format verified against the official Windsurf docs ↗.

Environment variables

Defined in the server's official registry manifest. Required secrets are shown as <YOUR_…> placeholders in the configs above.

NEXUS_BROWSER_AGENT — Agent name used for the tab group (Claude, Codex, Antigravity...)

About this server

Distributed as Python, listed under Browser Automation. Review our MCP security guide before granting access to real data.

Frequently asked questions

How do I install NexusBrowser?

Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.

Is NexusBrowser free to use?

The MCP server itself is free to install. The source is public on https://github.com/pironjulien/NexusBrowser. Any third-party service it calls may require its own API key and account.

Which clients support NexusBrowser?

Any MCP-compatible client can use it, including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf and custom agents.

Add this badge

Publish this server? Link back with a badge on your README or site — copy either snippet.

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