screenshot-mcp 0.1.4

A Model Context Protocol (MCP) server for taking cross-platform screenshots of windows, monitors, and processes.
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# screenshot-mcp

A robust Model Context Protocol (MCP) server written in Rust that enables Large Language Models (LLMs) to natively take screenshots across operating systems (Linux, Windows, macOS). 

Exposes two tools:
- `list_screenshot_targets`: Get information about all active monitors and windows, including their IDs, process names, and window titles.
- `take_screenshot`: Takes the screenshot and returns the image inline as a base64-encoded standard MCP Image block. Supports screenshotting by `monitor`, `window`, and even `pid` (discovering the window dynamically by process ID, inclusive of child processes).

## Installation

```bash
cargo install screenshot-mcp
```

## Adding to AI Clients

Because this server interacts purely through the standardized `stdio` MCP transport, you can plug it into any compatible AI assistant. The configuration uses a standard shell one-liner to ensure the binary is installed securely and only compiled if it hasn't been already.

### Claude Desktop

1. Open your configuration file:
   - **macOS**: `~/Library/Application Support/Claude/claude_desktop_config.json`
   - **Windows**: `%APPDATA%\Claude\claude_desktop_config.json`
2. Add the server to the `mcpServers` object:

```json
{
  "mcpServers": {
    "screenshot-mcp": {
      "command": "sh",
      "args": ["-c", "command -v screenshot-mcp >/dev/null 2>&1 || cargo install screenshot-mcp; screenshot-mcp"]
    }
  }
}
```

### Cursor

1. Open Cursor Settings (`Cmd/Ctrl + Shift + J`).
2. Go to **Features** > **MCP Servers**.
3. Click **+ Add new MCP server** and set:
   - Type: `command`
   - Name: `screenshot-mcp`
   - Command: `sh -c "command -v screenshot-mcp >/dev/null 2>&1 || cargo install screenshot-mcp; screenshot-mcp"`

### GitHub Copilot (VS Code)

1. Open your VS Code `settings.json`.
2. Add the server to Copilot's experimental MCP mapping:

```json
{
  "github.copilot.chat.experimental.mcp.servers": {
    "screenshot-mcp": {
      "command": "sh",
      "args": ["-c", "command -v screenshot-mcp >/dev/null 2>&1 || cargo install screenshot-mcp; screenshot-mcp"]
    }
  }
}
```
*Note: The first time Copilot or Claude connects, if you haven't run the tool yet, Cargo will do a one-time build that takes around ~30-60 seconds. Every subsequent boot will be instant!*