view-sim MCP

An MCP server that bridges to the view-sim browser extension, allowing agents to open websites on simulated devices (phones, tablets, laptops) in specific browsers like Safari or Chrome. It supports navigation, taking transparent PNG screenshots, and headless rendering with Playwright for responsive design testing and mobile preview.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by itelo

Vendor documentation

What you can do with it

Open a site on simulated iPhone or Pixel devices
Take transparent PNG screenshots of the page
Navigate sites within the browser extension
Render pages headlessly with Playwright emulation

Source and maintenance

Community listingRegistry 1.0.0

mcp-registry: io.github.itelo/view-sim@1.0.0 Source repository Project website

Maintenance checked: Oct 31, 2026, 10:27 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

view-sim-mcp 1.0.0

npm

view-sim-mcp package definition

{
  "version": "1.0.0",
  "transport": "stdio",
  "identifier": "view-sim-mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "VIEW_SIM_EXTENSION_IDS",
      "description": "Comma-separated extension ids allowed to connect to the bridge (Chrome id and/or view-sim@itelo). Unset allows any extension."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "view-sim-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "view-sim-mcp@1.0.0"
      ],
      "env": {
        "VIEW_SIM_EXTENSION_IDS": "<YOUR_VIEW_SIM_EXTENSION_IDS>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "view-sim-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "view-sim-mcp@1.0.0"
      ],
      "env": {
        "VIEW_SIM_EXTENSION_IDS": "<YOUR_VIEW_SIM_EXTENSION_IDS>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "view-sim-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "view-sim-mcp@1.0.0"
      ],
      "env": {
        "VIEW_SIM_EXTENSION_IDS": "<YOUR_VIEW_SIM_EXTENSION_IDS>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "view-sim-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "view-sim-mcp@1.0.0"
      ],
      "env": {
        "VIEW_SIM_EXTENSION_IDS": "<YOUR_VIEW_SIM_EXTENSION_IDS>"
      }
    }
  }
}

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