Use Printwren: HTML to PDF and URL to PDF (real Chrome) MCP with Claude Desktop and claude.ai
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
- Open Customize › Connectors (on Team and Enterprise, an owner adds it under Organization settings › Connectors).
- Click + Add, then Add custom connector.
- Name it Printwren: HTML to PDF and URL to PDF (real Chrome) and paste the server URL: https://printwren.cybermaxtools.com/mcp?via=use-with-claude-desktop
- Under Authentication choose No sign in.
- For a paid key, add a request header named x-api-key with your key; leave it out for the free tier.
- Click Add, then enable the connector for your chat.
Claude stores fixed request headers encrypted. On Team and Enterprise plans everyone in the workspace shares that credential.
- no file: remote servers are added as custom connectors in Claude's settings
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
- Custom connectors connect from Anthropic's cloud, not your computer; our servers are public, so no allowlisting is needed.
- Free plans can add one custom connector.
- To change the URL or header, remove the connector and add it again.
- The free tier has a daily limit (see the pricing line above); a paid key raises it.
Printwren: HTML to PDF and URL to PDF (real Chrome) in other clients
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