Skill UI

PDFtk Server is a powerful command-line tool designed for comprehensive manipulation and processing of PDF documents. It allows users to programmatically merge, split, rotate, secure (encrypt/decrypt), fill forms, apply watermarks, extract metadata, repair corrupted files, and much more. Ideal for automation scripts, batch processing, and any scenario requiring robust, scripted PDF handling from the terminal.

This skill provides a comprehensive guide and checklist for authors aiming to submit catalysis research to Nature Catalysis. It assesses not only the technical scope (heterogeneous, homogeneous, electrocatalysis) but also the mechanistic depth, broad significance, required evidence (in situ spectroscopy, DFT), and adherence to the journal's strict house style and formatting guidelines.