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Generates xUnit.net tests in C#. Covers Fact/Theory, constructor injection, IClassFixture, and FluentAssertions. Use when user mentions "xUnit", "[Fact]", "[Theory]", "Assert.Equal", "C# xUnit". Trigg…
View Claude Code session logs with colors, filtering, and real-time following
Expert technical debt analyst for PHP/Laravel code health, maintainability, and strategic refactoring planning. Use PROACTIVELY when a Laravel codebase shows complexity growth, when planning sprints, …
Interactive code execution path tracer that explains how code flows from entry point to output. Uses step-by-step navigation with AskUserQuestion to explore conditional branches and function calls. Us…
Use this skill when refactoring code with AI assistance. Activate when the user wants to improve code structure, extract functions, reduce complexity, modernize legacy code, apply design patterns, cle…
Use this skill when investigating Git history. Activate when the user wants to find when a bug was introduced, who changed a line of code, track down a regression, use git bisect, search commit histor…
Write comprehensive API tests for REST and GraphQL endpoints. Use this skill when testing APIs, writing contract tests, or validating integrations. Activate when: api testing, REST test, GraphQL test,…
OWASP A05 - Broken Access Control Detection. Use this skill when implementing authorization, checking permissions, or auditing who can access what resources. Activate when: authorization, permissions,…
Generates XCUITest UI tests for iOS/iPadOS apps in Swift. Apple's native testing framework for reliable, fast UI automation. Supports local simulators and TestMu AI cloud real devices. Use when user m…
Use for GPU-accelerated data analysis on datasets, CSVs, or tabular data using NVIDIA cuDF. Triggers when tasks involve groupby aggregations, statistical summaries, anomaly detection, or large-scale d…
Automates the full CodeRabbit PR review cycle — extracts review comments, fixes code, commits, pushes, monitors CI, resolves threads, and repeats until all checks pass and threads are resolved, then m…
Launch comprehensive QA Agent Team for post-implementation verification. Tests 5 perspectives in parallel using AGENT_TEAMS: Visual Integrity, Functional Correctness (with Impact Propagation), Apple H…
Use this skill when creating bug reproductions. Activate when the user needs to create a minimal reproduction case, report a bug with steps to reproduce, isolate a bug to specific conditions, or help …
Use this skill when the user needs to undo, revert, or recover from Git mistakes. Activate when they mention: undo commit, revert changes, accidentally committed, wrong branch, recover deleted, reset …
Find and prevent leaked secrets, API keys, and credentials in code. Use this skill when reviewing code for exposed secrets, setting up pre-commit hooks, or auditing repositories. Activate when: leaked…
OWASP A10 - Insufficient Logging and Monitoring. Use this skill when implementing audit logs, security monitoring, or incident detection. Activate when: logging, audit trail, security events, monitori…
Use when writing, reviewing, or debugging Jest + React Testing Library tests, before writing test code or when tests fail
Database migration patterns and schema versioning
Line-by-line execution path tracer for PR diffs, git diffs, or specified code sections. Maps every line to its screen/URL, data flow, and execution context like a debugger's step-through. Outputs a st…
Use this skill when testing AI agent systems. Activate when the user needs to test agent behavior, write tests for multi-agent systems, implement agent evaluation frameworks, create test harnesses for…
Use this skill when analyzing stack traces. Activate when the user has a stack trace to understand, needs to decode error traces, wants to find the root cause from a stack trace, is debugging crashes,…
Use this skill when resolving Git merge conflicts. Activate when the user mentions merge conflicts, conflicting changes, failed merges, "both modified", HEAD markers, conflict markers (<<<<<<<, ======…
CRITICAL SAFETY SKILL - Always active. Use this skill to prevent destructive operations without explicit user confirmation. Activate BEFORE any operation that deletes data, resets state, overwrites fi…
Validate, review, and improve Claude skills against Anthropic's official best practices from "The Complete Guide to Building Skills for Claude." Use when a user says "check my skill", "review this ski…