Atlas / MCP servers / merajmehrabi / Puppeteer

PuppeteerSAFE

mcp/merajmehrabi/puppeteer

This MCP server provides browser automation capabilities through Puppeteer, allowing interaction with both new browser instances and existing Chrome windows.

Verdict
SAFE
Grade
B
Trust score
89 /100
Exposed tools
8 7r · 1w · 0d
Transport
stdio
License
MIT
Stars
484
01

Overview

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

[](https://smithery.ai/server/@merajmehrabi/puppeteer-mcp-server) This MCP server provides browser automation capabilities through Puppeteer, allowing interaction with both new browser instances and existing Chrome windows.

Acknowledgment

This project is an experimental implementation inspired by @modelcontextprotocol/server-puppeteer. While it shares similar goals and concepts, it explores alternative approaches to browser automation through the Model Context Protocol.

Features

  • Navigate web pages
  • Take screenshots
  • Click elements
  • Fill forms
  • Select options
  • Hover elements
  • Execute JavaScript
  • Smart Chrome tab management:
  • Connect to active Chrome tabs
  • Preserve existing Chrome instances
  • Intelligent connection handling

Project Structure

/
├── src/
│   ├── config/        # Configuration modules
│   ├── tools/         # Tool definitions and handlers
│   ├── browser/       # Browser connection management
│   ├── types/         # TypeScript type definitions
│   ├── resources/     # Resource handlers
│   └── server.ts      # Server initialization
├── index.ts          # Entry point
└── README.md        # Documentation

Installation

Option 1: Install from npm

npm install -g puppeteer-mcp-server

You can also run it directly without installation using npx:

npx puppeteer-mcp-server

Option 2: Install from source

  1. Clone this repository or download the source code
  2. Install dependencies:
npm install
  1. Build the project:
npm run build
  1. Run the server:
npm start

MCP Server Configuration

To use this tool with Claude, you need

Read from source at commit b3f39289213dOBSERVED · 2026-09-30
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 puppeteer-mcp-server -- npx -y [email protected]
claude-desktop
{
  "mcpServers": {
    "puppeteer-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ]
    }
  }
}
03

Exposed tools (8)

7 read · 1 write · 0 destructive.

ToolRiskDescription
puppeteer_clickreadClick an element on the page
puppeteer_connect_active_tabreadConnect to an existing Chrome instance with remote debugging enabled
puppeteer_evaluatewriteExecute JavaScript in the browser console
puppeteer_fillreadFill out an input field
puppeteer_hoverreadHover an element on the page
puppeteer_navigatereadNavigate to a URL
puppeteer_screenshotreadTake a screenshot of the current page or a specific element
puppeteer_selectreadSelect an element on the page with Select tag
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 (2 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
puppeteer, winston, winston-daily-rotate-file, @types/node, @types/winston, shx, typescript
Why it matters. 7 dependency range(s) float
Fix. pin exact versions or ship a lockfile

Gates applied: no_behavioural_pass.

Audited 2026-09-30 · audit v0.4.1 · source sha b3f39289213dfull audit observations/trust-audit/mcp-server/merajmehrabi__puppeteer.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
2026-09-30b3f39289213dSAFEB89first audit
06

Questions

What is the Puppeteer MCP server?

This MCP server provides browser automation capabilities through Puppeteer, allowing interaction with both new browser instances and existing Chrome windows.

What tools does Puppeteer expose?

8 in total: 7 read-only, 1 that write, and 0 that can delete or overwrite. Every one is listed on this page with its risk.

Is Puppeteer 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 Puppeteer need?

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

How does Puppeteer run?

It speaks stdio, so it runs as a local process your client starts. It is published on npm as puppeteer-mcp-server at 0.7.2.

How current is this page?

The grade is for one exact copy of the source (b3f39289213d), read on 2026-09-30. The repository is watched and re-audited when it changes.

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