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Use Printwren: HTML to PDF and URL to PDF (real Chrome) MCP with Claude Code

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

Run the command in your terminal (add --scope user to use it in every project, or --scope project to write .mcp.json).
Start Claude Code and type /mcp to see the server and its tools.
Ask a question the tools can answer; Claude Code asks permission before each tool call unless you allow it.

Run:

claude mcp add --transport http printwren 'https://printwren.cybermaxtools.com/mcp?via=use-with-claude-code'

Or share it with your team in .mcp.json (project scope)::

{
  "mcpServers": {
    "printwren": {
      "type": "http",
      "url": "https://printwren.cybermaxtools.com/mcp?via=use-with-claude-code"
    }
  }
}

With a paid key:

claude mcp add --transport http printwren 'https://printwren.cybermaxtools.com/mcp?via=use-with-claude-code' \
  --header "x-api-key: YOUR_KEY"

In .mcp.json, ${CYBERMAX_API_KEY} is read from the environment so the key is not committed.

Where it goes:

stored by the CLI: local scope (default, you in this project), project scope (.mcp.json, shared), user scope (you, every project)

Config format checked 2026-10-09 against Claude Code'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

If a project-scoped server does not load, Claude Code asks you to approve servers from .mcp.json the first time.
The free tier has a daily limit (see the pricing line above); a paid key raises it.

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