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Stirling PDF

Self-hosted REST API for comprehensive PDF manipulation including merge, split, convert, OCR, compress, sign, redact, and secure PDFs.

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Self-hosted REST API for comprehensive PDF manipulation including merge, split, convert, OCR, compress, sign, redact, and secure PDFs.

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Install for OpenClaw

Item requires authentication.

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Quick setup
  1. Open the source page and confirm the required access before downloading.
  2. Review SKILL.md after the source grants access.
  3. Treat the package as manual setup until the direct download works.

Requirements

Target platform
OpenClaw
Install method
Manual import
Extraction
Extract archive
Prerequisites
OpenClaw
Primary doc
SKILL.md

Package facts

Download mode
Manual review
Package format
ZIP package
Source platform
Tencent SkillHub
What's included
SKILL.md, scripts/pdf.js

Validation

  • Sign in or confirm the required access before retrying the download.
  • Review SKILL.md after authentication succeeds.
  • Treat this source as manual setup until the package can be fetched directly.

Install with your agent

Agent handoff

Use the source page and any available docs to guide the install because the item requires authentication or permission before the package can be fetched.

  1. Open the source page via Open source page.
  2. If you can obtain the package, extract it into a folder your agent can access.
  3. Paste one of the prompts below and point your agent at the source page and extracted files.
New install

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Trust & source

Release facts

Source
Tencent SkillHub
Verification
Indexed source record
Version
1.0.4

Documentation

ClawHub primary doc Primary doc: SKILL.md 11 sections Open source page

Stirling-PDF Skill

Self-hosted PDF manipulation platform with 60+ tools via REST API.

Configuration

Set these environment variables: STIRLING_PDF_URL โ€” Your Stirling-PDF instance URL (default: http://localhost:8080) STIRLING_API_KEY โ€” API key if authentication is enabled

Docs

Official docs: https://docs.stirlingpdf.com Swagger UI: <your-instance>/swagger-ui/index.html on your deployment

Quick Commands

# Use the wrapper script node ~/.openclaw/skills/stirling-pdf/scripts/pdf.js <operation> [options] # Examples: node pdf.js merge file1.pdf file2.pdf -o merged.pdf node pdf.js split input.pdf -o ./output-dir node pdf.js compress input.pdf -o compressed.pdf node pdf.js ocr input.pdf -o searchable.pdf node pdf.js convert-to-pdf document.docx -o output.pdf node pdf.js pdf-to-word input.pdf -o output.docx node pdf.js add-watermark input.pdf "DRAFT" -o watermarked.pdf

Page Operations

merge - Combine multiple PDFs split - Split PDF into parts rotate - Rotate pages extract-pages - Extract specific pages reorder - Reorganize pages

Conversion

convert-to-pdf - Word, Excel, Images, HTML โ†’ PDF pdf-to-word - PDF โ†’ Word pdf-to-image - PDF โ†’ Images pdf-to-text - Extract text

Content

compress - Reduce file size ocr - Make scanned PDFs searchable add-watermark - Add text/image watermark add-stamp - Add stamp redact - Remove sensitive content sign - Add signature

Security

add-password - Password protect remove-password - Remove password sanitize - Remove metadata/scripts

Direct API Usage

For operations not covered by the script, call the API directly: curl -X POST "$STIRLING_PDF_URL/api/v1/general/merge-pdfs" \ -H "X-API-KEY: $STIRLING_API_KEY" \ -H "Content-Type: multipart/form-data" \ -F "fileInput=@file1.pdf" \ -F "fileInput=@file2.pdf" \ -o merged.pdf Check Swagger UI at <your-instance>/swagger-ui/index.html for all endpoints.

Common Endpoints

OperationEndpointMerge/api/v1/general/merge-pdfsSplit/api/v1/general/split-pagesCompress/api/v1/misc/compress-pdfOCR/api/v1/misc/ocr-pdfPDF to Image/api/v1/convert/pdf/imgImage to PDF/api/v1/convert/img/pdfAdd Watermark/api/v1/security/add-watermarkAdd Password/api/v1/security/add-password

Notes

Most endpoints use POST with multipart/form-data File input parameter is usually fileInput Response is the processed PDF file Check Swagger UI for exact parameters per operation

Category context

Code helpers, APIs, CLIs, browser automation, testing, and developer operations.

Source: Tencent SkillHub

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Package contents

Included in package
1 Docs1 Scripts
  • SKILL.md Primary doc
  • scripts/pdf.js Scripts