Stirling PDF

Stirling PDF MCP Connector for Claude

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Manage PDF documents via Stirling PDF — add watermarks, convert images to PDF, sign documents with certificates, and monitor server metrics directly.

11 tools Official Updated Jun 28, 2026 Official Vinkius Partner

Connect your Stirling PDF instance to any AI agent and take full control of your document workflows through natural conversation. This server allows you to process PDF files, convert formats, and monitor your self-hosted infrastructure.

What you can do

  • Document Manipulation — Add text watermarks with custom opacity and font sizes, or convert images directly into PDF documents.
  • Digital Security — Sign PDF documents using certificates with specific reasons and location metadata.
  • Server Monitoring — Track application status, version info, and detailed request metrics (POST/GET) across all endpoints.
  • Advanced Operations — Use the generic tool runner to access specialized features like merging, splitting, or extracting images from PDFs.
  • Enterprise Metrics — Access Prometheus metrics for deep observability into your document processing pipeline.

How it works

  1. Subscribe to this server
  2. Enter your Stirling PDF Base URL and API Key
  3. Start processing documents from Claude, Cursor, or any MCP-compatible client

Who is this for?

  • Developers — Automate PDF processing tasks directly from your IDE or terminal.
  • System Administrators — Monitor the health and load of your Stirling PDF instance in real-time.
  • Legal & Admin Teams — Quickly sign or watermark documents without leaving your AI chat interface.
pdf-toolswatermarkingpdf-conversiondigital-signaturesserver-monitoring

11 tools expose this connector's capabilities to your AI agent.

cert_sign

Sign a PDF document with a certificate

run_generic_tool

Pass additional parameters as a JSON string. Run any Stirling PDF tool by its ID

get_all_requests

Get POST requests count for all endpoints

get_all_unique_requests

Get unique users count for all endpoints

get_load

Get total count of GET requests

get_prometheus_metrics

Get Prometheus metrics (requires Enterprise tier)

get_requests

Get total count of POST requests

get_status

Get application status and version information

get_unique_requests

Get count of unique users for POST requests

img_to_pdf

Convert an image to a PDF document

add_watermark

Add a watermark to a PDF document

See how to talk to your AI agent using Stirling PDF.

Check the current status and version of my Stirling PDF server.

I've checked your instance. It is currently online running version 0.25.1. All systems are operational.

Add a 'CONFIDENTIAL' watermark to this PDF with 0.5 opacity.

Processing the document... I've applied the 'CONFIDENTIAL' text watermark with the requested settings. You can now download the processed PDF.

Convert this image to a PDF document named 'report.pdf'.

Converting image... I have successfully generated 'report.pdf' from your image file using the maintainAspectRatio fit option.

Yes! Use the `add_watermark` tool. You can specify the text, font size, and opacity to apply a professional watermark to any PDF file provided in base64 format.

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