Discover Agent Skills for security & testing. Browse 99skills for Claude, ChatGPT & Codex.
Eliminates flaky tests and race conditions by replacing arbitrary timeouts with smart, polling-based condition checks.
Implements reliable, maintainable end-to-end testing suites using Playwright and Cypress to ensure high-quality web applications.
Implements multi-layered data validation across system boundaries to make software bugs structurally impossible.
Systematically traces bugs backward through the call stack to identify and resolve original triggers rather than just treating symptoms.
Implements multi-layered data validation patterns across system boundaries to eliminate structural bugs and ensure system reliability.
Enforces best practices in software testing by preventing mock reliance, production code pollution, and incomplete test doubles.
Implements a rigorous four-phase framework to identify root causes and ensure stable bug fixes before implementation.
Eliminates flaky tests by replacing arbitrary delays with intelligent condition polling and state verification.
Enforces a strict evidence-based workflow by requiring verified command output before any task is marked as complete.
Applies a rigorous TDD cycle to verify and harden Claude Code skills against pressure and rationalization.
Enforces a strict Red-Green-Refactor cycle to ensure code reliability and high test coverage.
Implements robust error management strategies including centralized handling, graceful degradation, and user-friendly messaging to ensure application stability and security.
Systematically traces bugs backward through the call stack to identify and fix the original source of errors rather than just symptoms.
Enforces a rigorous four-phase protocol to identify root causes and implement durable solutions for any technical bug or failure.
Prevents fragile tests and production code pollution by enforcing strict best practices for mocking and Test-Driven Development.
Eliminates flaky tests and race conditions by replacing arbitrary timeouts with smart condition polling.
Validates and bulletproofs Claude Code skills by applying a Red-Green-Refactor cycle to process documentation using high-pressure subagent scenarios.
Mandates the execution of verification commands and evidence gathering before any task is marked as complete.
Enforces a disciplined Red-Green-Refactor workflow to ensure high-quality, bug-free code through test-first implementation.
Guides the strategic creation of tests by focusing on core user flows and behavioral outcomes while maintaining development velocity.
Employs an evidence-based methodology to investigate codebases, diagnose root causes, and map system architectures with calibrated confidence levels.
Streamlines the testing of Temporal workflows and activities using pytest with advanced time-skipping and mocking strategies.
Generates comprehensive Pest test suites for Laravel projects, ensuring high coverage across controllers, services, and Livewire components with standardized organizational patterns.
Employs scientific methodologies and language-specific tools to identify, isolate, and resolve complex software bugs and performance bottlenecks.
Implement production-grade Kubernetes security using NetworkPolicies, Pod Security Standards, and least-privilege RBAC.
Automates pre-commit checks for TypeScript type safety, test execution, code coverage, and Git branch compliance.
Executes a systematic, hypothesis-driven workflow to reproduce, isolate, and fix complex software bugs while ensuring code remains lint-clean and regression-free.
Validates experimental lab procedures against LA-Bench standards using automated scripts and semantic subagent analysis to ensure technical accuracy and format compliance.
Guides the development of NestJS backends using a strict, iterative Test-Driven Development (TDD) methodology.
Implements robust testing patterns and hypothesis-driven development strategies for high-quality software delivery.
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