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Use Printwren: HTML to PDF and URL to PDF (real Chrome) MCP with Windsurf (Devin Desktop)

Printwren: web page or HTML to PDF with real Chrome; pages, base64 or download link. Free, no key.

Remote MCP server (Streamable HTTP), nothing to install. Free: 20 free calls/day, no key · Paid: Starter $9/month; Growth $24/month; Starter yearly $90/year; Growth yearly $240/year

Set it up

In the Cascade panel, open the … (Actions) menu and click Open MCP config file in the MCPs section.
Add the server under "mcpServers" with "serverUrl" and save.
Check the MCPs section in Cascade for the server and its tools.
Ask Cascade a question the tools can answer.

Add to ~/.config/devin/mcp_config.json:

{
  "mcpServers": {
    "printwren": {
      "serverUrl": "https://printwren.cybermaxtools.com/mcp?via=use-with-windsurf"
    }
  }
}

With a paid key:

{
  "mcpServers": {
    "printwren": {
      "serverUrl": "https://printwren.cybermaxtools.com/mcp?via=use-with-windsurf",
      "headers": {
        "x-api-key": "YOUR_KEY"
      }
    }
  }
}

Keep this file out of shared folders and repositories if it holds a key.

Where it goes:

~/.config/devin/mcp_config.json (macOS and Linux)
%APPDATA%\devin\mcp_config.json (Windows)

Config format checked 2026-10-09 against Windsurf (Devin Desktop)'s MCP documentation.

Tools you get

Endpoint checked 2026-10-09: https://printwren.cybermaxtools.com/mcp answered an MCP initialize (protocol 2025-06-18) and tools/list with 2 tools, all marked read-only. No key was used and no tool was called.

Tool	What it does	Required inputs
`url_to_pdf`	Print a public web page to PDF with real Chrome. Returns title, page count, size, a direct download URL and (include_base64=true) the PDF bytes as base64.	`url`
`html_to_pdf`	Print an HTML document (invoice, report, receipt; up to 200 KB, inline CSS) to PDF with real Chrome. Returns the PDF as base64 with page count and size.	`html`

Test the endpoint from a terminal

This lists the tools without a key and without calling any of them:

curl -s https://printwren.cybermaxtools.com/mcp \
  -H 'content-type: application/json' \
  -H 'accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'

If it does not work

Windsurf's documentation (docs.windsurf.com) now redirects to Devin Desktop's at docs.devin.ai; these steps follow that page.
The documented remote field is "serverUrl" (the docs say "url" is also accepted).
The free tier has a daily limit (see the pricing line above); a paid key raises it.

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