pdftk-server SKILL.md skillA

pdftk-server from marielynneblock/arcanum-artifex is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add marielynneblock/arcanum-artifex/pdftk-server@git:20260710.ffb3400

Pins git:20260710.ffb3400 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
marielynneblock/arcanum-artifex
Path
skills/document-production/pdf/pdftk-server/SKILL.md
Versions recorded
3
Latest version
git:20260710.ffb3400, committed Jul 10, 2026
First version recorded
May 10, 2026
Size
4,789 bytes
Repository stars
4
License
none declared

Skill for using the command-line tool pdftk (PDFtk Server) for working with PDF files. Use when asked to merge PDFs, split PDFs, rotate pages, encrypt or decrypt PDFs, fill PDF forms, apply watermarks, stamp overlays, extract metadata, burst documents into pages, repair corrupted PDFs, attach or extract files, or perform any PDF manipulation from the command line.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# PDFtk Server

PDFtk Server is a command-line tool for working with PDF documents. It can merge, split, rotate, encrypt, decrypt, watermark, stamp, fill forms, extract metadata, and manipulate PDFs in a variety of ways.

## When to Use This Skill

- Merging or joining multiple PDF files into one
- Splitting or bursting a PDF into individual pages
- Rotating PDF pages
- Encrypting or decrypting PDF files
- Filling PDF form fields from FDF/XFDF data
- Applying background watermarks or foreground stamps
- Extracting PDF metadata, bookmarks, or form field information
- Repairing corrupted PDF files
- Attaching or extracting files embedded in PDFs
- Removing specific pages from a PDF
- Collating separately scanned even/odd pages
- Compressing or decompressing PDF page streams

## Prerequisites

- PDFtk Server must be installed on the system
  - **Windows**: `winget install --id PDFLabs.PDFtk.Server`
  - **macOS**: `brew install pdftk-java`
  - **Linux (Debian/Ubuntu)**: `sudo apt-get install pdftk`
  - **Linux (Red Hat/Fedora)**: `sudo dnf install pdftk`
- Access to a terminal or command prompt
- Verify installation by running `pdftk --version`

## Step-by-Step Workflows
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add marielynneblock/arcanum-artifex/pdftk-server@sha256:d540ff800d0b4dca

The line at the top of this page pins the label git:20260710.ffb3400, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_k3sz7duntljkczij.svg)](https://markdownregistry.com/a/art_k3sz7duntljkczij)

5 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 3 versions of this file, between May 10, 2026 and Jul 10, 2026, about one every 30 days.

versioncommittedcommitsizeaudit
git:20260710.ffb3400 latest2026-07-10 ffb3400 4,789 BA view · diff
git:20260515.b861afb2026-05-15 b861afb 4,789 BA view · diff
git:20260510.f26bcec2026-05-10 f26bcec 4,743 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (4789 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

marielynneblock/arcanum-artifex · 4 stars · license none declared · pushed 2026-09-19 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_k3sz7duntljkczij
GET https://markdownregistry.com/api/v1/resolve?ref=marielynneblock/arcanum-artifex/pdftk-server
GET https://markdownregistry.com/api/v1/blob/d540ff800d0b4dca40a2525ba77b9ec0d0ef0bfee9f6c5ca066dd377cc6a9d6f

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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