Adding ScreenshotMCP (#383)

Adding our ScreenshotMCP server:

## Features

- **Full-page screenshot capture** with automatic scrolling
- **Element-specific screenshots** using CSS selectors
- **Multiple device presets** (mobile, tablet, desktop)
- **Custom viewport configurations**
- **Advanced wait conditions** (CSS selectors, network idle, custom delays)
- **Error handling and validation** for secure operation
- **Rate limiting** to prevent resource exhaustion

README.md

@@ -200,6 +200,7 @@ Official integrations are maintained by companies building production ready MCP
 - **[Search1API](https://github.com/fatwang2/search1api-mcp)** - One API for Search, Crawling, and Sitemaps
 - **[Scrapeless](https://github.com/scrapeless-ai/scrapeless-mcp-server)** - Integrate real-time [Scrapeless](https://www.scrapeless.com/en) Google SERP(Google Search, Google Flight, Google Map, Google Jobs....) results into your LLM applications. This server enables dynamic context retrieval for AI workflows, chatbots, and research tools.
 - **[Scrapezy](https://github.com/scrapezy/mcp)** - Turn websites into datasets with [Scrapezy](https://scrapezy.com)
+- **[ScreenshotMCP](https://github.com/upnorthmedia/ScreenshotMCP/)** - Capture website screenshots including full page, elements, and device specific sizes.
 - **[ScreenshotOne](https://github.com/screenshotone/mcp/)** - Render website screenshots with [ScreenshotOne](https://screenshotone.com/)
 - **[Semgrep](https://github.com/semgrep/mcp)** - Enable AI agents to secure code with [Semgrep](https://semgrep.dev/).
 - **[Sentry](https://github.com/getsentry/sentry-mcp)** - Official MCP server for [Sentry](https://sentry.io).