Util Ustagger

Quality score: 70/100 · Category: Product · Sub-category: prd-spec

Tag new items in PRD.md files with unique ID codes and validate no duplicate tags exist. Applies to PRD.md documents structured with module sections containing User Stories, Non Functional Requirements, Constraints, References, and Test instructions. Each top-level bullet item gets a unique 9-character code with category prefix, application initials, and running number (interval of 3). Trigger on keywords: "tag user story", "tag user stories", "fix user story tag", "fix user story tags", "add IDs to requirements", "tag items in PRD.md", "number the requirements", "add requirement codes", "validate tags", "check duplicate tags", "verify tagging completeness". Accepts an application name and version as input (e.g., `/util-ustagger hub_middleware v1.0.3`, `/util-ustagger "Hub Middleware" v1.0.3`).

What this skill does

Util Ustagger is a production-ready Claude Code skill (quality score 70/100) in the prd-spec sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/util-ustagger/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Util Ustagger skill is built for product managers, product designers, and cross-functional teams planning, shipping, and measuring product features. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/util-ustagger
curl -L https://claudskills.com/skills/util-ustagger/SKILL.md \
  -o ~/.claude/skills/util-ustagger/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/util-ustagger/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/util-ustagger/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\util-ustagger\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

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Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt