01DocumentsSource available, not open source
Anthropic / docx
What does the docx skill actually add to Claude?
The difference between a chat answer about a document and a .docx file you can open in Word.
Reviewed 2026-08-05Read the review
Skills that make Claude produce or read real office files instead of describing them.
Anthropic / docx
The difference between a chat answer about a document and a .docx file you can open in Word.
Anthropic / xlsx
For anything where the formulas have to recalculate on the recipient's machine.
Anthropic / pptx
It can build the file. Whether it looks like your brand is a separate question.
Anthropic / pdf
File operations. Reading a PDF is one thing; rebuilding one is another.
Anthropic / doc-coauthoring
Because one prompt and one long answer is the worst way to write anything that matters.