prd-diff

Compare a PRD against its last Git commit with section-by-section changes.

Updated Feb 14, 2026
One-click install
npx skills add https://github.com/sinositato/tato-claude-plugins --skill prd-diff
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: prd-diff
Source: https://github.com/sinositato/tato-claude-plugins/tree/main/plugins/prd-builder/skills/prd-diff
Command: npx skills add https://github.com/sinositato/tato-claude-plugins --skill prd-diff

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

This Skill helps you quickly understand the differences between your current Product Requirements Document (PRD) and its last saved version, highlighting exactly what has changed.

Core Features & Use Cases

  • Version Comparison: Compares a PRD file against its last committed version in Git.
  • Section-by-Section Analysis: Breaks down changes by section, showing additions, removals, and modifications.
  • Word Count Deltas: Provides insights into the extent of changes with word count differences.
  • Use Case: After making several edits to a PRD, you can use this Skill to see precisely which sections were altered, added, or removed, and by how much, before committing or sharing.

Quick Start

Compare the current working copy of 'my-feature-prd.md' against its last committed version.

Frequently Asked Questions about prd-diff

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I compare PRD versions to see what changed?

Comparing PRD versions involves checking your current document against its last committed version in Git to highlight section-by-section additions, removals, and modifications. It maps semantic changes to a 22-section template for detailed reporting.

What is the best way to track document changes in Git?

Tracking document changes in Git is done by comparing the working copy against the last committed version to extract semantic additions and removals. It provides word count deltas to show exactly how much each section was altered before committing or sharing.

Does this PRD diff tool require Git to run?

Yes, this PRD diff tool requires Git to function because it operates read-only by comparing your current working copy against the last committed version. It relies on Git version control to establish the baseline for the document comparison.

Can I see word count differences when comparing requirement documents?

Yes, you can see word count differences when comparing requirement documents. The analysis provides word count deltas for each section, offering insights into the extent of additions, removals, and modifications mapped to a 22-section template.

How does section-by-section document comparison work?

Section-by-section document comparison works by analyzing semantic changes within PRD sections and mapping them to a 22-section template. It breaks down the differences between your current file and its last committed version, highlighting specific additions and removals.