rendex-mcp

rendex-mcp

Capture screenshots, generate PDFs, and render HTML to images via AI agents. Supports batch capture, geo-targeting, async webhooks, and CSS/JS injection.

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README

@copperline/rendex-mcp

npm version npm downloads License: MIT

MCP server for Rendex — capture screenshots and PDFs of any webpage via AI agents using the Model Context Protocol.

Quick Start

Claude Desktop / Cursor / Windsurf (npx)

Add to your MCP client config:

{
  "mcpServers": {
    "rendex": {
      "command": "npx",
      "args": ["-y", "@copperline/rendex-mcp"],
      "env": {
        "RENDEX_API_KEY": "your-api-key"
      }
    }
  }
}

Where to add this:

Client Config location
Claude Desktop ~/Library/Application Support/Claude/claude_desktop_config.json (macOS)
Cursor .cursor/mcp.json in project root, or Settings > MCP
Windsurf Settings > MCP Servers

Claude Code (CLI)

Add a .mcp.json to your project root with the same config above. Then restart Claude Code.

Important: Add .mcp.json to your .gitignore — it contains your API key.

Remote (zero-install)

Connect directly — no installation needed (Claude Desktop only):

{
  "mcpServers": {
    "rendex": {
      "url": "https://mcp.rendex.dev/mcp",
      "headers": {
        "Authorization": "Bearer your-api-key"
      }
    }
  }
}

Tools

rendex_screenshot

Capture a screenshot or PDF of any webpage or raw HTML.

"Take a screenshot of https://example.com"
"Capture the full page of https://news.ycombinator.com in dark mode"
"Generate a PDF of https://github.com with A4 page size"
"Capture https://amazon.de as seen from Germany"
"Render this HTML invoice as a PDF"

Parameters:

Parameter Type Default Description
url string required* Webpage URL to capture. Mutually exclusive with html.
html string — Raw HTML to render. Mutually exclusive with url.
format "png" | "jpeg" | "webp" | "pdf" "png" Output format
fullPage boolean false Capture full scrollable page
darkMode boolean false Emulate dark color scheme
width number 1280 Viewport width (320-3840)
height number 800 Viewport height (240-2160)
quality number 80 Image quality 1-100 (JPEG/WebP only, default 80)
delay number 0 Wait ms before capture
blockAds boolean true Block ads and trackers
blockResourceTypes string[] — Block resource types: font, image, media, stylesheet
deviceScaleFactor number 2 Device pixel ratio (1-3). 2× Retina by default
timeout number 30 Max seconds to wait for page load (5-60)
waitUntil string "networkidle2" Page readiness: load, domcontentloaded, networkidle0, networkidle2
waitForSelector string — CSS selector to wait for before capture
bestAttempt boolean true Return partial render on timeout instead of failing
selector string — CSS selector of element to capture instead of full page
css string — Custom CSS to inject before capture (max 50KB)
js string — Custom JavaScript to execute before capture (max 50KB)
cookies array — Cookies to set for authenticated captures (max 50)
headers object — Custom HTTP headers for the page request
userAgent string — Override browser user agent string
pdfFormat string — PDF page size: A4, Letter, Legal, Tabloid, A3
pdfLandscape boolean — PDF landscape orientation
pdfPrintBackground boolean true Print background in PDF
pdfScale number 1 PDF scale factor (0.1-2)
pdfMargin object — PDF margins: {top, right, bottom, left} as CSS values
geo string — ISO country code for geo-targeted capture (Pro/Enterprise)
geoCity string — City for geo-targeting (requires geo)
geoState string — State for geo-targeting (requires geo)
async boolean — Process asynchronously (returns job ID)
webhookUrl string — URL to receive callback when async capture completes
cacheTtl number — Seconds to cache result (3600-2592000)

Authentication

Get your API key at rendex.dev.

Set the RENDEX_API_KEY environment variable in your MCP client configuration.

Pricing

Plan Calls/Month Rate
Free 500 10/min
Starter 10,000 60/min
Pro 100,000 300/min
Enterprise Custom 1,000/min

License

MIT — Copperline Labs LLC

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