How do I trigger the snapshot manager in Claude Code?

You can trigger it by asking Claude to analyze snapshot failures or by using the slash commands /snapshot-manager or /sm.

What frameworks does the Snapshot Test Manager support?

It supports popular JavaScript testing environments including Jest, Vitest, Playwright, and Storybook.

Can I update specific snapshots instead of all of them?

Yes, the skill allows for selective updates, ensuring you only update snapshots for intentional changes while keeping failures that indicate actual regressions.

Does this skill help with visual regression testing?

Yes, it is particularly effective at analyzing diffs in UI snapshots to help distinguish between desired design updates and accidental visual regressions.

Snapshot Test Manager

Name: Snapshot Test Manager
Author: jeremylongshore

byjeremylongshore

•

884

Security & Testing

Manages and updates snapshot tests across popular JavaScript frameworks using intelligent diff analysis to distinguish regressions from intentional UI changes.

About

The Snapshot Test Manager skill streamlines the maintenance of snapshot test suites in frameworks like Jest, Vitest, Playwright, and Storybook. It helps developers efficiently analyze test failures by providing side-by-side diff comparisons, allowing for selective updates of intentional changes while preventing regressions. Whether you are dealing with massive UI refactors or investigating unexpected layout shifts, this skill automates the tedious parts of snapshot management through batch processing, validation, and intelligent failure analysis.

Key Features

Automatic identification of intentional vs. unintentional changes
884 GitHub stars
Intelligent side-by-side diff analysis for snapshot failures
Selective updating of snapshots to preserve regression detection
Multi-framework support for Jest, Vitest, Playwright, and Storybook
Batch processing for efficient bulk snapshot updates

Use Cases

Managing large volumes of snapshot tests across multiple testing frameworks
Investigating unexpected snapshot failures to identify hidden regressions
Updating snapshot baselines after a major UI component refactor

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add jeremylongshore/claude-code-plugins-plus-skills snapshot-test-manager

For use in Claude.ai and ChatGPT

Download Skill

GitHub