Atlas / MCP servers / thesethrose / Fetch Browser

Fetch BrowserSAFE

mcp/thesethrose/fetch-browser

A powerful headless browser MCP server that enables AI agents to fetch web content and perform Google searches without requiring any API keys.

Verdict
SAFE
Grade
B
Trust score
89 /100
Exposed tools
2 1r · 1w · 0d
Transport
stdio
License
MIT
Stars
24
01

Overview

From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.

A powerful headless browser MCP server that enables AI agents to fetch web content and perform Google searches without requiring any API keys. Built with modern web standards and designed for seamless integration with AI platforms.

Features

  • No API Keys Required: Uses a sophisticated headless browser approach to fetch content directly
  • Smart Google Search:
  • Extract structured results from Google searches
  • Support for both web and news results
  • Configurable number of results (1-100)
  • Full content fetching of search results
  • Automatic retry and error handling
  • Universal Content Fetching:
  • Support for any webpage or API endpoint
  • Multiple output formats (HTML, JSON, Text, Markdown)
  • Automatic content type detection
  • Response size limits and timeout protection
  • Rate limiting protection
  • Format Conversion:
  • Clean HTML to Markdown conversion
  • Pretty-printed JSON responses
  • Structured HTML output
  • Plain text with proper formatting

Tools

1. Google Search Tool (google_search)

Executes Google searches and fetches full content of results:

{
query: "your search query",
responseType: "markdown", // or "json", "html", "text"
maxResults: 10,          // 1-100 results
topic: "web"            // or "news"
}

2. URL Fetcher Tool (fetch_url)

Fetches content from any URL:

{
url: "https://example.com",
responseType: "markdown", // or "json", "html", "text"
timeout: 30000          // optional, in milliseconds
}

Installation

Via Smithery

# For Claude
npx -y @smithery/cli install @TheSethRose/fetch-browser --client claude

# For Cursor
npx -y @smithery/cli install @TheSethRose/fetch-browser --client cursor

# For TypeScript
npx -y @smithery/cli install @TheSethRose/fetch-browser --client typescript

Manual Installation

# Clone the repository
git clone https://github.com/TheSethRose/fetch-browser.git
cd fe
Read from source at commit 6276a8ab1504OBSERVED · 2026-10-09
02

Connect

Built from this server's own package name, version and transport as found in its source — not copied from anyone's documentation, so it cannot drift against a page we do not control.

claude-code
claude mcp add fetch-browser -- npx -y [email protected]
claude-desktop
{
  "mcpServers": {
    "fetch-browser": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ]
    }
  }
}
03

Exposed tools (2)

1 read · 1 write · 0 destructive.

ToolRiskDescription
fetch_urlreadFetch content from a URL with proper error handling and response processing
google_searchwriteExecute a Google search and return results in various formats
04

Trust audit

SAFEgrade B · trust 89/100 Nothing in the source contradicts what it says it does. Grade A is reserved for packages that have also passed the behavioural sandbox.

LayerWhat it checksResult
L0Provenance & inventoryPASS
L1Static analysis of the codePASS
L2Instruction surface (what it tells the agent)PASS
L3Class-specific surfacePASS
L4Behavioural (sandbox)SKIPPED

What the source does

Filesystem
none-observed
Network
declared (3 observation(s))
Shell
none-observed
Dependencies
not all pinned
Secrets in source
none-found

Findings (1)

LOWSupply chain · supply.unpinned · CWE-829, CWE-1357
package.json
@modelcontextprotocol/sdk, @smithery/sdk, happy-dom, jsdom, zod, @types/jsdom, @types/node, concurrently
Why it matters. 9 dependency range(s) float
Fix. pin exact versions or ship a lockfile

Gates applied: no_behavioural_pass.

Audited 2026-10-09 · audit v0.4.1 · source sha 6276a8ab1504full audit observations/trust-audit/mcp-server/thesethrose__fetch-browser.json · Report an issue / request a re-scan
05

Audit history

Every audit this server has had. A grade with a past is a grade somebody is still checking.

DateSourceVerdictGradeScoreChange
2026-10-096276a8ab1504SAFEB89first audit
06

Questions

What is the Fetch Browser MCP server?

A powerful headless browser MCP server that enables AI agents to fetch web content and perform Google searches without requiring any API keys.

What tools does Fetch Browser expose?

2 in total: 1 read-only, 1 that write, and 0 that can delete or overwrite. Every one is listed on this page with its risk.

Is Fetch Browser safe to connect to an agent?

The audit found nothing in the source that contradicts what it says it does, and graded it B (89/100). Grade A is held back for packages that have also passed a sandboxed behavioural run, which is why a clean server reads B.

What credentials does Fetch Browser need?

No credential environment variables were found in its source, so it appears to need none.

How does Fetch Browser run?

It speaks stdio, so it runs as a local process your client starts. It is published on npm as fetch-browser at 0.1.0.

How current is this page?

The grade is for one exact copy of the source (6276a8ab1504), read on 2026-10-09. The repository is watched and re-audited when it changes.

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