Testing skills

This skill implements multi-layer validation and security patterns to harden apps, enabling robust input handling, error management, and threat mitigation.

This skill enables server-side Resend email delivery with React Email templates, ensuring reliable, typed, and unsubscribe-compliant transactional emails.

This skill enables robust testing of Composable Svelte apps using TestStore and mocks to validate reducers, effects, and interactions.

This skill creates isolated git worktrees for feature development, auto-detects setup, verifies gitignore, and runs baseline tests to ensure a clean start.

This skill enforces test-first development and guides Red-Green-Refactor cycles to achieve 80%+ coverage across unit, integration, and E2E tests.

This skill helps you lint, test, and improve shell scripts using ShellCheck and BATS for robust CI/CD quality.

This skill helps ensure frontend components follow the Agent OS standard, improving consistency, quality, and maintainability across projects.

This skill guides you through root-cause debugging and defense-in-depth validation to fix issues efficiently before confirming success.

This skill optimizes Playwright E2E tests by removing waitForTimeout anti-patterns, enabling test sharding, and speeding CI while improving reliability.

This skill performs a security review of code changes, identifying vulnerabilities, omissions, and recommendations to strengthen input handling and access

This skill helps you choose SwiftUI architecture patterns and explain when to use MV, MVVM, and @Observable for scalable apps.

This skill guides testers to design plans, create test cases, and develop tools to ensure software quality.

This skill helps you test local web apps with Playwright, automate UI, capture screenshots, and inspect browser logs for faster debugging.

This skill applies anti-over-engineering principles to surgical, minimal changes using existing utilities and conventions to modify code.

This skill helps you manage AWS SAM projects by guiding template design, local testing, and API Gateway integrations.

This skill helps orchestrate advanced distributed workflows using swarm topologies and agent strategies to accelerate research, development, and testing.

This skill enforces frontend accessibility standards by applying agent-os guidelines to components, pages, and interactions for inclusive user interfaces.

This skill automates and guides bug fixing across modes, optimizing root-cause analysis and verification to accelerate reliable resolutions.

This skill upgrades dependencies with breaking change detection, migration planning, and test first verification to protect project stability.

This skill guides safe parameter updates for NinjaTrader strategies, preventing execution logic changes while adjusting stops, targets, ATR multipliers, and

This skill helps you build, evaluate, and deploy AI agents with Google ADK Python for multi-agent systems, tooling, and Vertex AI deployment.