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screenshot-mcp

by neerajhanda
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screenshot-mcp

An MCP server that captures full-monitor screenshots and returns them inline (base64) or as a saved file. Supports macOS, native Linux (X11 and Wayland), native Windows, and WSL2.

Tools

list_monitors

Lists all connected monitors with their index, resolution, and primary status. Call this first to find monitor indices.

take_screenshot

Captures a screenshot of one monitor.

Argument

Type

Default

Description

monitor

integer

0

Monitor index from list_monitors

return

"inline" | "path"

"inline"

inline = base64 PNG in response (Claude sees it); path = save to disk, return the file path

path

string

temp file

Output path. Only used when return="path"

Tip: Very high-res monitors (4K, 5K) produce large base64 blobs. If you hit context limits, switch to return="path" and use the Read tool to view the file.

Related MCP server: GetScreen MCP Server

Installation

git clone https://github.com/you/screenshot-mcp
cd screenshot-mcp
npm install
npm run build

Platform requirements

Platform

Requirement

macOS

Nothing extra — uses screencapture and system_profiler (built in)

Native Linux / X11

scrot or imagemagick: sudo apt install scrot

Native Linux / Wayland

grim + wlr-randr: sudo apt install grim wlr-randr

Native Windows

Nothing extra — uses PowerShell + System.Drawing

WSL2

Nothing extra — shells out to powershell.exe on the Windows side

Configure in Claude Code

claude mcp add screenshot node /absolute/path/to/screenshot-mcp/dist/index.js

Configure in Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "screenshot": {
      "command": "node",
      "args": ["/absolute/path/to/screenshot-mcp/dist/index.js"]
    }
  }
}

How WSL2 works

WSL2 doesn't have direct access to the Windows display. This server detects WSL (via /proc/version or WSL_DISTRO_NAME) and shells out to powershell.exe to run a capture script using System.Windows.Forms.Screen and System.Drawing. The PNG is written to the Linux /tmp filesystem via the \\wsl.localhost\... UNC path and then read back.

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Maintenance

ActivityInactive
ResponsivenessNo issues

Resources

Related MCP Connectors

Related MCP Servers

  • GetScreen MCP Server

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    Enables capturing screenshots of all connected monitors with automatic JPEG compression and multi-platform support including WSL environments. Supports quality adjustment and image resizing through simple natural language commands.
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