Claude Code Plugins

Community-maintained marketplace

Feedback

Turn vague Acceptance Criteria into measurable checks and test assertions

Install Skill

1Download skill
2Enable skills in Claude

Open claude.ai/settings/capabilities and find the "Skills" section

3Upload to Claude

Click "Upload skill" and select the downloaded ZIP file

Note: Please verify skill by going through its instructions before using it.

SKILL.md

name ac-expander
description Turn vague Acceptance Criteria into measurable checks and test assertions
version 0.1.0
tags requirements, testing
triggers acceptance criteria, refine criteria, measurable

Acceptance Criteria Expander

Purpose

Rewrite ambiguous AC into specific, testable checks and edge cases.

Behavior

  1. For each AC, create measurable statements with inputs/outputs.
  2. Add 2–4 edge cases (bounds, invalid, error paths).
  3. Suggest test names that map 1:1 to checks.

Guardrails

  • Preserve original intent; show original text and revised version.
  • Keep each AC concise (≤3 lines each).

Integration

  • Project Manager agent; /lazy create-feature refinement step.

Example Prompt

Make these AC measurable and propose matching tests.