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Next.js security review — middleware auth-bypass patterns (CVE-2025-29927), Server Actions auth/CSRF, Server/Client Component boundary and SSR data leaks, auth.js (NextAuth) config, route handlers as API, Image Optimization SSRF, security headers via middleware.

Advanced React hooks patterns including custom hooks, memoization, refs, reducers, and external store synchronization. Use when the user is writing custom hooks, optimizing React performance with useCallback/useMemo, managing complex state with useReducer, or integrating external state stores. Trigger on any mention of React hooks, custom hooks, memoization, re-render optimization, or rules of hoo

Strategies for managing Claude Code's context window efficiently: token budgeting, progressive disclosure, reference files, and using subagents to protect context. Use when conversations are getting long, the user mentions context limits, or tasks involve reading many files.

Verifique ou envie pontuações de confiança e reputação para fontes de dados e capacidades (URLs, APIs, ferramentas) através da API Cairn, e descubra ferramentas por consulta de texto livre. Utilize esta skill antes de consumir fontes web ou ferramentas não confiáveis, e após qualquer interação para registrar uma avaliação.

Generates structured test case sets with multi-dimensional coverage from project code analysis or specification documents. This skill activates when the user asks to write test cases, generate tests, supplement tests, create test coverage, or improve test completeness. It auto-scans the project to extract testable units (APIs, functions, components, CLI commands, tool definitions), identifies cove

Guide for designing CI/CD pipelines with artifact management, environment promotion, parallel jobs, quality gates, and notifications. Use when the user designs a CI/CD pipeline, asks about deployment workflows, needs to structure build-test-deploy stages, or wants to optimize pipeline performance. Trigger whenever CI/CD architecture or pipeline design is discussed.

Diagnostica e repara configurações de inferência de terceiros (3p) do Claude Code no Claude Desktop Mac, incluindo as do tipo DeepSeek, para alcançar a melhor paridade possível com o Claude Code de primeira parte. Use quando usuários mencionarem modo de desenvolvedor, provedores de API de terceiros, DeepSeek V4 Pro/Flash, falhas em bypassPermissions, prompts repetidos ou capacidades ausentes de Código/Cowork/web/busca.

Guide for relational database schema design with normalization, indexing strategy, constraints, naming conventions, and denormalization tradeoffs. Use when the user designs database tables, asks about normalization, needs indexing advice, or defines foreign key relationships. Trigger whenever database schema, table design, or data modeling is discussed.

When the user wants to generate documentation from their codebase. Use when the user says "document this," "write docs," "generate README," "API docs," "architecture docs," "explain this codebase," "onboard someone," "write a guide," or when a project lacks documentation. Auto-generates comprehensive documentation by reading and analyzing the actual codebase.

Maven and Gradle build tool patterns including pom.xml structure, build.gradle.kts configuration, multi-module projects, dependency management, plugins, and BOMs. Use when the user is setting up Java/Kotlin build configurations, managing dependencies, creating multi-module projects, or troubleshooting build issues. Trigger on any mention of Maven, Gradle, pom.xml, build.gradle, dependency manageme

Automate OneSignal tasks via Rube MCP (Composio): push notifications, segments, templates, and messaging. Always search tools first for current schemas.

Automate Gender API tasks via Rube MCP (Composio). Always search tools first for current schemas.