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.
Install
one command, takes just this skill from the repositorynpx skills add https://github.com/microsoft/cat-agent-skills --skill commenting-contentWhat comes with it
32 123 bytes besides the instructionThe instruction itself
5 sections, as written by the authorComment Content
When this skill is activated:
- Check the file extension of the attached document.
- If
.docx→ follow the instructions inREFERENCE-DOCX.md - If
.pptx→ follow the instructions inREFERENCE-PPTX.md - If any other format → ask the user to convert to
.docxor.pptxfirst. - 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 AIon 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 instructionsREFERENCE-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.
Other skills for the same job
different authors, same section of the catalogue
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Use this skill any time a .pptx file is involved in any way — as input, output, or both. This includes: creating slide decks, pitch decks, or presentations; reading, parsing, or extracting text from any .pptx file (even if the extracted content will be used elsewhere, like in an email or summary); editing, modifying, or updating existing presentations; combining or splitting slide files; working with templates, layouts, speaker notes, or comments. Trigger whenever the user mentions \"deck,\" \"slides,\" \"presentation,\" or references a .pptx filename, regardless of what they plan to do with the content afterward. If a .pptx file needs to be opened, created, or touched, use this skill.
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How to use it
Take microsoft/commenting-content from the repository into ~/.claude/skills for personal
use, or into .claude/skills inside a project.
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.