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killerpdf-portable-editor — Claude Code skill: setup guide

Guides agents on creating and compiling a standalone C# WPF PDF editor powered by PDFium. It helps with page splitting, drawing annotations, and single-binary packaging.

Install into Claude Code · Skills CLI (Vercel) All methods and platforms ↓ 
npx skills add reason-machines/trending-skills --skill killerpdf-portable-editor -a claude-code
Open on GitHub

What killerpdf-portable-editor does

This skill provides agents with implementation patterns for KillerPDF, a zero-telemetry desktop document utility. It explains how to render documents via Docnet.Core, configure a WPF drawing layer on a custom canvas, and bundle the output into an isolated executable using Costura.Fody.

The included guides outline full-text search routines, signature management, and page reorganization like merging and splitting. When printing, the tool flattens applied markup straight into the exported stream.

Compiling the source code demands a 64-bit Windows environment and .NET 8 SDK. The final standalone binary targets .NET Framework 4.8, meaning it launches without administrator privileges or background runtimes.

What it helps with

  • render PDF pages inside WPF using Docnet.Core
  • bundle a C# project into a single EXE using Costura.Fody
  • split and merge document pages without Acrobat
  • add custom drawing canvases and signature stamps

Example prompts for the agent

  • Show how to render a PDF page into a WriteableBitmap using Docnet.Core
  • Write a dotnet publish command to compile KillerPDF into a single executable
  • Create a WPF annotation model for placing text boxes over a PDF canvas

How to install killerpdf-portable-editor

1Skills CLI (Vercel)

npx skills add reason-machines/trending-skills --skill killerpdf-portable-editor -a claude-code

2Manually: put the files in place

~/.claude/skills/killerpdf-portable-editor/SKILL.md

Copy the whole skill folder; for one project use .claude/skills/killerpdf-portable-editor/

Step by step, with commands for each platform: How to install skills in Claude Code: five ways

Questions about killerpdf-portable-editor

How do I install killerpdf-portable-editor in Claude Code?

Run npx skills add reason-machines/trending-skills --skill killerpdf-portable-editor -a claude-code in your terminal. This configures the skill and puts it in ~/.claude/skills/killerpdf-portable-editor/SKILL.md.

What does killerpdf-portable-editor do?

It injects reference implementations and build recipes for a portable C# WPF PDF editor. The assistant can immediately write code for page rendering, signature placement, and document manipulation.

What are the requirements to build KillerPDF from source?

You need Git, a 64-bit installation of Windows 10 or 11, and .NET 8 SDK. The final build targets .NET Framework 4.8.

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