Commenting Content Agent Skill

Analyzes a .docx or .pptx file, researches the topic using internal documents, emails, Microsoft Teams messages, and web sources, then adds native comments throughout the file authored by "Copilot Studio AI" — without modifying the original content.

532 tokens

context cost

SKILL.md, read when the skill is used

files

ships runnable scripts

copies elsewhere

how many repositories repackaged it

111 d ago

last touched

this folder, not the whole repository

Install

one command, takes just this skill from the repository

npx skills add https://github.com/microsoft/cat-agent-skills --skill commenting-content

What comes with it

32 123 bytes besides the instruction

metadata.json

references/REFERENCE-DOCX.md

references/REFERENCE-PPTX.md

scripts/inject-comments-docx.py

scripts/inject-comments-pptx.py

The instruction itself

5 sections, as written by the author

Comment Content

When this skill is activated:

Check the file extension of the attached document.
If .docx → follow the instructions in REFERENCE-DOCX.md
If .pptx → follow the instructions in REFERENCE-PPTX.md
If any other format → ask the user to convert to .docx or .pptx first.
Execute the full commenting workflow defined in the appropriate reference file.
Return the updated file with native comments embedded and a short chat summary of findings.

Guidelines

Never modify the original document content — add comments only.
Set the comment author to Copilot Studio AI on every comment added.
Research using any available sources: internal documents, emails, Microsoft Teams messages, approved knowledge sources, and web research tools.
Only comment where it genuinely helps — do not comment on every sentence.
The chat summary must include: comment count, main research findings, and top 1–3 priority issues for the author to review.

Reference Files

REFERENCE-DOCX.md — Word document commenting instructions
REFERENCE-PPTX.md — PowerPoint presentation commenting instructions

Examples

Example 1: Word document

User request: "Add research comments to this report." (attaches report.docx)
Expected behavior: Detect .docx, follow REFERENCE-DOCX.md, return commented .docx with summary.

Example 2: PowerPoint presentation

User request: "Review this deck and add comments." (attaches deck.pptx)
Expected behavior: Detect .pptx, follow REFERENCE-PPTX.md, return commented .pptx with summary.

Notes

If multiple files are attached, process them one at a time and produce a separate summary for each.
If the file type is ambiguous, ask the user to confirm before proceeding.

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4.1k tokens

How to use it

Copy the folder

Take microsoft/commenting-content from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.