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Use when implementing any feature or change that touches more than one file. Use when you're about to write a large amount of code at once, or when a task feels too big to land in one step.
Run and create evals for testing agent behavior. Use when the user wants to create or run an eval.
ActiveRecord model patterns and conventions for Rails. Automatically invoked when working with models, associations, validations, scopes, callbacks, or database schema design. Triggers on "model", "Ac…
[For Bug Diagnosis Only] This skill must be used when encountering program errors, abnormal behavior, performance issues, or functional failures. Trigger keywords: error, Bug, issue, abnormality, fail…
Comprehensive guide to Optical Character Recognition (OCR) using Tesseract
Automatically infer formal correctness properties from Verilog/SystemVerilog RTL code and generate SystemVerilog Assertions (SVA). Identifies control-flow invariants (mutual exclusion, valid-ready han…
Repository-grounded threat modeling that enumerates trust boundaries, assets, attacker capabilities, abuse paths, and mitigations, and writes a concise Markdown threat model. Trigger only when the use…
Professional Contract Review Skill, providing contract type guidance and detailed review services based on the 'Contract Review Methodology System'
Use when handling user input, authentication, data storage, or external integrations. Use when building any feature that accepts untrusted data, manages user sessions, or interacts with third-party se…
PostgreSQL database patterns for query optimization, schema design, indexing, and security. Based on Supabase best practices.
Automatically invoked when analyzing code quality, refactoring, or maintainability. Triggers on mentions of "code smell", "refactor", "code quality", "technical debt", "complexity", "maintainability",…
Comprehensive mobile app testing strategies for iOS and Android. Covers unit tests, UI tests, integration tests, performance testing, and test automation with Detox, Appium, and XCTest.
Evaluate a vendor — cost analysis, risk assessment, and recommendation. Use when reviewing a new vendor proposal, deciding whether to renew or replace a contract, comparing two vendors side-by-side, o…
Diagnose and fix Vue/Nuxt codebase health issues. Use when reviewing Vue code, fixing performance problems, auditing security, or improving code quality.
Advanced SQL patterns including CTEs, window functions, recursive queries, query optimization, and EXPLAIN analysis. Use for complex query writing and performance tuning. USE WHEN: user mentions "CTE"…
Security audit for vulnerabilities, compliance issues, and sensitive data exposure. Use before production deployments or when reviewing security-sensitive code.
Iterative development workflow based on "Make it work, Make it right, Make it fast" philosophy. Use when building software features, components, or systems from scratch. Guides Claude through three di…
Test-driven development for Spring Boot using JUnit 5, Mockito, MockMvc, Testcontainers, and JaCoCo. Use when adding features, fixing bugs, or refactoring.
Guide for code conventions and formatting
Use when running a full security audit of an arbitrary source code repository, especially large, complex, multi-component, distributed, or non-standard architectures. Orchestrates a 10-phase workflow …
Verify that design documents, code implementations, and tests fully cover all specified requirements. Use this skill when validating requirement traceability, conducting design reviews, assessing impl…
Comprehensive pre-submission review orchestrator. Coordinates methodology checks, bias detection, AI text detection, statistical validation, and reporting guideline compliance for journal submissions.
Analyze network traffic and security incidents with the depth of an "Ultimate Forensics Team". Emphasizes deep packet analysis (PCAP) as the source of truth, OSI layer decomposition, and the use of na…
An automation testing expert, proficient in unit testing, integration testing, E2E testing, and performance testing. Capable of designing and implementing comprehensive testing strategies to ensure so…