What is the key difference between Auth Fetch MCP and Aethyn Browser MCP?

Auth Fetch MCP belongs to the Browser Automation category with local stdio execution, while Aethyn Browser MCP belongs to the Browser Automation category with local stdio execution.

How do I install Auth Fetch MCP or Aethyn Browser MCP in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Auth Fetch MCP and Aethyn Browser MCP free or paid?

Auth Fetch MCP operates under a Free / Open Source model (No auth required). Aethyn Browser MCP operates under a Freemium model (API Key required).

Which MCP server has more tools and community activity?

Auth Fetch MCP lists 4 tools with 1 views and 36 GitHub stars. Aethyn Browser MCP lists 10 tools with 2 views and 3 GitHub stars.

Can I use both Auth Fetch MCP and Aethyn Browser MCP together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Auth Fetch MCP vs Aethyn Browser MCP

In-depth architectural comparison of the Auth Fetch MCP and Aethyn Browser MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Auth Fetch MCP

Browser Automation · Local stdio

Quality: 52/100 (Good) | Auth: No auth required

Aethyn Browser MCP

Browser Automation · Local stdio

Quality: 61/100 (Good) | Auth: API Key required

Verdict Summary: Choose Auth Fetch MCP if you need specialized Browser Automation tools running via a local process. Choose Aethyn Browser MCP if your workspace requires Browser Automation integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Auth Fetch MCP when:

You need dedicated capabilities in the Browser Automation domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: auth_fetch, download_media, list_pages.

Explore Auth Fetch MCP Details

Choose Aethyn Browser MCP when:

You need dedicated capabilities in the Browser Automation domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Freemium).
You have access to required keys: AETHYN_USERNAME, AETHYN_PASSWORD, AETHYN_DEFAULT_TIER, AETHYN_HEADLESS, PROXY_HOST, PROXY_PORT, PROXY_USERNAME, PROXY_PASSWORD.
Primary tools included: aethyn_launch_browser, aethyn_navigate, aethyn_get_content.

Feature & Specification Comparison

Specification	Auth Fetch MCP ymw0407 Browser Automation	Aethyn Browser MCP aethynio Browser Automation
Summary	Fetch content from login-protected web pages (Notion, Google Docs, Jira, Confluence, etc.) by opening a real browser for authentication with persistent session caching.	Drive a local Playwright browser through residential proxies with the agent choosing the exit country/city and holding one sticky identity per task. 10 tools: launch, navigate, accessibility snapshot, click, type, content extraction, exit-IP verification, and per-task identity rotation. Free trial, no card.
Category & Scope

Tools & Capabilities Breakdown

Auth Fetch MCP Tools (4)

auth_fetch

The primary tool. Fetches page content using a real browser, opening a window for login if needed. Returns cleaned HTML with noise elements (nav, footer, scripts, etc.) stripped and media tags (`<img>`, `<video>`, `<iframe>`) preserved.

download_media

Downloads files from URLs using saved browser sessions. Use this to lazily download images, videos, or other files found in `auth_fetch` results. The browser's saved cookies handle authentication automatically — no need to log in again.

list_pages

Lists all open tabs in the browser with their URLs and titles.

close_browser

Closes the browser window. Login sessions are saved and will be reused next time.

Aethyn Browser MCP Tools (10)

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Auth Fetch MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "ymw0407-auth-fetch-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "auth-fetch-mcp@latest"
      ]
    }
  }
}

Aethyn Browser MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "aethynio-aethyn-browser-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "aethyn-browser-mcp"
      ],
      "env": {
        "AETHYN_USERNAME": "YOUR_AETHYN_USERNAME_HERE",
        "AETHYN_PASSWORD": "YOUR_AETHYN_PASSWORD_HERE",
        "AETHYN_DEFAULT_TIER": "YOUR_AETHYN_DEFAULT_TIER_HERE",
        "AETHYN_HEADLESS": "YOUR_AETHYN_HEADLESS_HERE",
        "PROXY_HOST": "YOUR_PROXY_HOST_HERE",
        "PROXY_PORT": "YOUR_PROXY_PORT_HERE",
        "PROXY_USERNAME": "YOUR_PROXY_USERNAME_HERE",
        "PROXY_PASSWORD": "YOUR_PROXY_PASSWORD_HERE"
      }
    }
  }
}

Frequently Asked Questions

Auth Fetch MCP is categorized under Browser Automation and uses a local stdio subprocess. In contrast, Aethyn Browser MCP belongs to Browser Automation using local stdio subprocess. Select Auth Fetch MCP when you need capabilities focused on browser automation and Aethyn Browser MCP when you require tools for browser automation.

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