seaborn

21.8k

davila7

Statistical visualization. Scatter, box, violin, heatmaps, pair plots, regression, correlation matrices, KDE, faceted plots, for exploratory analysis and publication figures.

ui-visual-validator

18.0k

sickn33

Rigorous visual validation expert specializing in UI testing, design system compliance, and accessibility verification. Masters screenshot analysis, visual regression testing, and component validation. Use PROACTIVELY to verify UI modifications have achieved their intended goals through comprehensive visual analysis.

web-qa-bot

1.8k

openclaw

AI-powered automated QA for web apps. Smoke tests, accessibility, visual regression. Works with Cursor, Claude, ChatGPT, Copilot. Vibe-coding ready.

testing-visual-regression

1.5k

Jeremylongshore Claude Code Plugins Plus Skills Testing Visual Regression

Detect visual changes in UI components using screenshot comparison. Use when detecting unintended UI changes or pixel differences. Trigger with phrases like "test visual changes", "compare screenshots", or "detect UI regressions".

BackstopJS Visual Testing

376

A5c Ai Babysitter Backstopjs Visual

BackstopJS visual regression testing for self-hosted visual comparison

visual-regression-setup

376

a5c-ai

Configure visual regression testing with Percy, Chromatic, or custom screenshot comparison

playwright-electron-config

376

a5c-ai

Configure Playwright for comprehensive Electron application testing including E2E tests, visual regression, accessibility audits, and cross-platform test matrices

Percy Visual Testing

376

a5c-ai

Percy visual testing platform integration for visual regression detection

screenshot-comparison

376

a5c-ai

Visual regression testing through screenshot capture and comparison. Pixel-diff analysis, responsive screenshot capture across viewports, and visual change reporting with highlighted differences.

playwright

376

a5c-ai

Playwright E2E testing, page objects, fixtures, visual regression, accessibility testing, and CI integration patterns.

bio-population-genetics-association-testing

293

GPTomics

Genome-wide association studies (GWAS) with PLINK. Perform case-control and quantitative trait association testing using logistic/linear regression with covariates, generate Manhattan and QQ plots for result visualization. Use when running GWAS or association tests.

browser-debugger

241

MadAppGang

Systematically tests UI functionality, validates design fidelity with AI visual analysis, monitors console output, tracks network requests, and provides debugging reports using Chrome DevTools MCP. Use after implementing UI features, for design validation, when investigating console errors, for regression testing, or when user mentions testing, browser bugs, console errors, or UI verification.

browser-debugging

241

MadAppGang

Systematically tests UI functionality, validates design fidelity with AI visual analysis, monitors console output, tracks network requests, and provides debugging reports using Chrome Extension MCP tools. Use after implementing UI features, for design validation, when investigating console errors, for regression testing, or when user mentions testing, browser bugs, console errors, or UI verification.

QE Visual Accessibility

215

proffesor-for-testing

Visual regression testing, responsive design validation, and WCAG accessibility compliance testing.

visual-testing-advanced

215

proffesor-for-testing

Advanced visual regression testing with pixel-perfect comparison, AI-powered diff analysis, responsive design validation, and cross-browser visual consistency. Use when detecting UI regressions, validating designs, or ensuring visual consistency.

qe-visual-testing-advanced

215

proffesor-for-testing

Advanced visual regression testing with pixel-perfect comparison, AI-powered diff analysis, responsive design validation, and cross-browser visual consistency. Use when detecting UI regressions, validating designs, or ensuring visual consistency.

security-visual-testing

215

proffesor-for-testing

Security-first visual testing combining URL validation, PII detection, and visual regression with parallel viewport support. Use when testing web applications that handle sensitive data, need visual regression coverage, or require WCAG accessibility compliance.

qe-security-visual-testing

215

proffesor-for-testing

Security-first visual testing combining URL validation, PII detection, and visual regression with parallel viewport support. Use when testing web applications that handle sensitive data, need visual regression coverage, or require WCAG accessibility compliance.

visual-regression

155

alekspetrov

Setup visual regression testing with Storybook stories, configuration, and CI/CD workflows. Supports Chromatic, Percy, BackstopJS. Auto-invoke when user says "set up visual regression", "add Chromatic tests", "add screenshot testing", or "set up Percy".

regression-analysis-modeling

152

liangdabiao

Perform comprehensive regression analysis and predictive modeling using linear regression, decision trees, and random forests. Use when you need to predict continuous values like housing prices, sales forecasts, demand predictions, or any numerical target variables. Includes automated feature engineering, model comparison, and visualization with Chinese language support.

sap-hana-ml

115

secondsky

SAP HANA Machine Learning Python Client (hana-ml) development skill. Use when: Building ML solutions with SAP HANA's in-database machine learning using Python hana-ml library for PAL/APL algorithms, DataFrame operations, AutoML, model persistence, and visualization. Keywords: hana-ml, SAP HANA, machine learning, PAL, APL, predictive analytics, HANA DataFrame, ConnectionContext, classification, regression, clustering, time series, ARIMA, gradient boosting, AutoML, SHAP, model storage

visual-regression-testing

95

aj-geddes

Detect unintended visual changes in UI by comparing screenshots across versions. Use for visual regression, screenshot diff, Percy, Chromatic, UI testing, and visual validation.

playwright-automation

95

korallis

Automate browser testing, web scraping, and user workflow testing with Playwright across multiple browsers. Use when writing end-to-end tests for web applications, automating repetitive browser tasks, scraping data from websites, testing across Chrome/Firefox/Safari, taking screenshots for visual regression testing, testing authentication flows, filling and submitting forms programmatically, testing responsive designs across viewports, or any browser automation requiring reliable, cross-browser testing capabilities.

update-storybook-snapshots

80

cartridge-gg

Update Storybook visual regression snapshots after intentional UI changes. Use when visual tests fail due to expected changes, or when asked to update snapshots.

Storybook Interaction Testing

71

PramodDutta

Testing UI components through Storybook stories with play functions, interaction testing, accessibility checks, and visual regression via Chromatic.

Screenshot Baseline Generator

71

PramodDutta

Generate and maintain visual regression screenshot baselines with intelligent diffing, responsive breakpoint coverage, and dynamic content masking strategies

Visual Regression Testing

71

PramodDutta

Visual regression testing skill using Playwright, covering screenshot comparison, visual diff thresholds, responsive testing, baseline management, and CI integration.

Playwright Visual Testing

71

PramodDutta

Visual regression testing with Playwright including screenshot comparison, pixel-diff thresholds, dynamic content masking, and cross-browser visual validation.

playwright

69

secondsky

Browser automation and E2E testing with Playwright. Auto-detects dev servers, writes clean test scripts. Test pages, fill forms, take screenshots, check responsive design, validate UX, test login flows, check links, automate any browser task. Use for cross-browser testing, visual regression, API testing, component testing in TypeScript/JavaScript and Python projects.

playwright-expert

60

cin12211

Playwright E2E testing expert for browser automation, cross-browser testing, visual regression, network interception, and CI integration. Use for E2E test setup, flaky tests, or browser automation challenges.

webapp-testing

54

gr8monk3ys

Use this skill for browser automation, E2E testing, visual regression testing, and web application testing with Playwright or similar tools.

playwright-visual-testing

40

manutej

Browser automation, visual testing, and screenshot validation using Playwright MCP server for accelerated web development. Master visual regression testing, automated UI testing, and cross-browser validation.

visual-testing

20

DNYoussef

Screenshot-based visual comparison and regression testing using claude-in-chrome MCP. Captures, compares, and validates UI states to detect layout shifts, visual bugs, and design regressions across viewports.

Statistical Analyzer

18

dkyazzentwatwa

Perform statistical hypothesis testing, regression analysis, ANOVA, and t-tests with plain-English interpretations and visualizations.

agent-capabilities

17

jgtolentino

Comprehensive documentation of Claude's capabilities for visual regression testing, CI/CD integration, and quality assurance automation. Use when setting up testing infrastructure, implementing visual regression, or understanding agent testing capabilities. (project)

artifact-proof

17

kazuph

Accumulate evidence (screenshots, videos, logs) under .artifacts/<feature=branch_name>/ for the visual-regression and PR documentation workflow. [MANDATORY] Before saying "implementation complete", you MUST use this skill to collect evidence and present a report with proof. Completion reports without evidence are PROHIBITED.

visual-regression-testing

17

jgtolentino

Comprehensive visual regression testing using Playwright and jest-image-snapshot. Implements screenshot comparison, baseline management, CI/CD integration, and visual diff reporting following Ant Design best practices. Use for preventing visual bugs, ensuring UI consistency, and automating visual QA. (project)

e2e-test-builder

12

patricio0312rev

Builds end-to-end browser tests for critical user flows using Playwright or Cypress. Includes selector strategies, test data management, page objects, and visual regression testing. Use for "E2E testing", "browser tests", "Playwright", or "Cypress tests".

visual-regression-tester

12

patricio0312rev

Implements visual regression testing with screenshot comparison, diff detection, and CI integration using Playwright or Chromatic. Use when users request "visual testing", "screenshot testing", "UI regression", "visual diff", or "Chromatic setup".

storybook-setup

12

patricio0312rev

Sets up Storybook for component documentation with controls, actions, accessibility testing, and visual regression. Use when users request "Storybook setup", "component documentation", "UI library", "component stories", or "design system docs".

playwright-testing

10

laurigates

Playwright end-to-end testing for web applications. Cross-browser testing (Chromium, Firefox, WebKit), visual regression, API testing, mobile emulation. Use when writing E2E tests, testing across browsers, or setting up automated UI testing workflows.

playwright-testing

9

TerminalSkills

Write and maintain end-to-end tests with Playwright. Use when someone asks to "add e2e tests", "test my web app", "set up Playwright", "write browser tests", "test login flow", "visual regression testing", "test across browsers", or "automate UI testing". Covers test setup, page objects, authentication, API mocking, visual comparisons, and CI integration.

chromatic

9

TerminalSkills

When the user wants to perform visual regression testing with Storybook integration using Chromatic. Also use when the user mentions "chromatic," "visual regression," "Storybook testing," "UI review," "visual diff," or "component snapshot testing." For general screenshot comparison, see percy.

web-automation

9

mauromedda

Web automation, debugging, and E2E testing with Playwright. Handles interactive (login, forms, reproduce bugs) and passive modes (network/console capture). Triggers on "e2e test", "browser test", "playwright", "screenshot", "debug UI", "debug frontend", "reproduce bug", "network trace", "console output", "verify fix", "test that", "verify change", "test the flow", "http://localhost", "open browser", "click button", "fill form", "submit form", "check page", "web scraping", "automation script", "headless browser", "browser automation", "selenium alternative", "puppeteer alternative", "page object", "web testing", "UI testing", "frontend testing", "visual regression", "capture network", "intercept requests", "mock API responses". PROACTIVE: Invoke for security verification, UI fix verification, testing forms/dropdowns, or multi-step UI flows. ON SESSION RESUME - check for pending UI verifications.

storybook

9

TerminalSkills

Assists with developing, documenting, and testing UI components in isolation using Storybook. Use when writing component stories, setting up visual regression testing, configuring addons, or generating component documentation. Trigger words: storybook, stories, csf, component story format, visual testing, chromatic, storybook addons.

testing-visual-regression

8

BbgnsurfTech

Detect visual changes in UI components using screenshot comparison. Use when detecting unintended UI changes or pixel differences. Trigger with phrases like "test visual changes", "compare screenshots", or "detect UI regressions".

check-visual-tests

8

vizzly-testing

Check the status of Vizzly visual regression tests. Use when the user asks about test status, test results, what's failing, how tests are doing, or wants a summary of visual tests.

Voyager

8

simota

E2E testing specialist. Playwright/Cypress/WebdriverIO configuration, Page Object design, authentication flow validation, parallel execution, visual regression, accessibility testing, and CI integration. Validate entire user journeys. The E2E-specialized edition of Radar. Use when you need E2E test creation.