NexusBrowser MCP Server

by pironjulienio.github.pironjulien/nexus-browserv2.9.0

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

4Pythonstdioofficial registry

context tax

pending

security

pending

cold start

pending

freshness

pending

Our reading of NexusBrowser, from the data

NexusBrowser is a browser automation MCP server from pironjulien, listed in the official MCP Registry.

We haven't measured its tool list yet, so its token cost is unknown.

With 4 GitHub stars it ranks #324 of 1,199 browser automation servers we index.

It runs locally on your machine over stdio.

Install NexusBrowser MCP server

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

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

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

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

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

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

Add to .vscode/mcp.json in your workspace.

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

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

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

Freshness

Not enough public signals yet to judge maintenance.

Last commit (default branch)
2026-10-18 · today · GitHub
Latest release
2026-10-18 · today · GitHub · v2.9.0
Package published
no data · npm/PyPI
Registry entry updated
2026-10-18 · today · official registry · v2.9.0

How it compares in Browser Automation

Against the most-starred browser automation servers we index. Token cost is per model turn, measured from each server's live tool list.

Server	Stars	Tools	Tokens / turn	Freshness	Runs
NexusBrowser (this)	4	—	not measured	—	local
Browser Use	118,444	—	not measured	Active	local
Scrapling	88,517	—	not measured	Active	local
Browser	39,318	—	not measured	Active	local + hosted
Playwright	38,349	—	not measured	Active	local
Browser	36,690	—	not measured	Active	—

All browser automation MCP servers

FAQ

›How do I install the NexusBrowser MCP server in Claude Code?

Run: claude mcp add nexus-browser-pironjulien -- uvx nexus-browser. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does NexusBrowser require an API key?

No required environment variables are declared in its published metadata.

›Can I use NexusBrowser as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is NexusBrowser in the official MCP registry?

Yes, as io.github.pironjulien/nexus-browser.

Sources and method

Official MCP Registry entry: updated 2026-10-18
GitHub repository: fetched 2026-10-19
Package registry (npm / PyPI): listed
Last checked against all sources: 2026-10-19

The description, packages and links come from the maintainer's own published metadata. Token cost, security signals, freshness and the reading above are MCPSkillHub's own measurements; see the methodology. Spot an error? Request a correction or claim the listing.