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wshobson/otimizacao-de-custos

Otimize custos de nuvem em AWS, Azure, GCP e OCI por meio de redimensionamento de recursos, estratégias de marcação, instâncias reservadas e análise de gastos. Use ao reduzir despesas de nuvem, analisar custos de infraestrutura ou implementar políticas de governança de custos.

O que é otimizacao-de-custos?

Esta skill automatiza a otimização de custos em nuvem nos principais provedores (AWS, Azure, GCP e OCI). Ela analisa os gastos atuais, identifica recursos subutilizados (como instâncias com pouca demanda), sugere redimensionamentos, recomenda a compra de instâncias reservadas (RIs) e promove estratégias de marcação (tagging) para melhor governança. A skill também gera relatórios de custos com recomendações acionáveis, ajudando equipes de FinOps e engenharia a reduzirem despesas sem comprometer o desempenho. Útil para implementar políticas de governança de custos, ela se integra via SDKs nativos ou ferramentas como AWS Cost Explorer, Azure Cost Management, GCP Recommender e OCI Cost Analysis. Ideal para quem busca automatizar análises mensais, identificar anomalias de gastos ou planejar orçamentos para múltiplas contas.

Funciona com~Claude Code~Codex CLI~Cursor
npx skills add https://github.com/wshobson/agents/tree/main/skills/cost-optimization

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Documentação

O que otimizacao-de-custos faz?

Otimize custos de nuvem em AWS, Azure, GCP e OCI por meio de redimensionamento de recursos, estratégias de marcação, instâncias reservadas e análise de gastos. Use ao reduzir despesas de nuvem, analisar custos de infraestrutura ou implementar políticas de governança de custos.

Recursos

  • Redimensionamento de Recursos: Detecta instâncias de computação e bancos de dados superdimensionados e sugere tamanhos mais adequados (ex.: t3.medium em vez de t3.large).
  • Instâncias Reservadas (RIs): Analisa padrões de uso e recomenda compra de RIs ou Savings Plans para reduzir custos sob demanda.
  • Marcação: Sugere tags padronizadas (ex.: CostCenter, Environment, Project) para rastrear gastos por time ou projeto.
  • Análise de Gastos: Gera relatórios de custos agregados, identificando tendências e anomalias.
  • Governança: Aplica políticas de limites orçamentários e alertas.

Provedores Suportados

ProvedorFerramentas de Custo
AWSCost Explorer, Trusted Advisor, Compute Optimizer
AzureCost Management, Advisor
GCPCost Management, Recommender
OCICost Analysis, Budgets

Pré-requisitos

  • Acesso de leitura aos dados de custo nos respectivos provedores (role Cost Explorer Reader, Cost Management Reader, etc.).
  • Credenciais configuradas via variáveis de ambiente:
    • AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY
    • AZURE_TENANT_ID, AZURE_CLIENT_ID, AZURE_CLIENT_SECRET
    • GOOGLE_APPLICATION_CREDENTIALS (caminho para JSON de chave de serviço)
    • OCI_CONFIG_FILE, OCI_PROFILE

Como Usar

  1. Configure as credenciais para o(s) provedor(es) desejado(s).
  2. Execute o comando principal:
analisar-custos --provedor aws --scope mensal
  1. Opções:
    • --provedor: aws, azure, gcp, oci (ou todos).
    • --scope: diario, semanal, mensal, personalizado:YYYY-MM-DD:YYYY-MM-DD.
    • --acoes: redimensionar, ris, tags, todos.

Exemplo de Saída

{
  "provedor": "AWS",
  "periodo": "2025-03-01 a 2025-03-31",
  "custo_total": 12500.45,
  "economia_potencial": 2340.10,
  "recomendacoes": [
    {
      "tipo": "redimensionamento",
      "servico": "EC2",
      "recurso_atual": "t3.xlarge",
      "recurso_sugerido": "t3.large",
      "economia_mensal": 120.00
    },
    {
      "tipo": "instancia_reservada",
      "servico": "RDS",
      "recurso": "db.r5.large",
      "termo": "1 ano",
      "economia_anual": 600.00
    }
  ]
}

Limitações

  • A skill oferece recomendações baseadas em dados históricos; não executa mudanças automaticamente sem confirmação.
  • Para provedores como OCI, algumas funcionalidades podem depender de versões específicas da SDK.

Contribuição

Pull requests e issues são bem-vindos. Veja CONTRIBUTING.md para mais detalhes.

Licença

MIT

Individual skills in this repo

This repo contains 20 individual skills — each has its own dedicated page.

wshobson/accessibility-compliance

Implement WCAG 2.2 compliant interfaces with mobile accessibility, inclusive design patterns, and assistive technology support. Use when auditing accessibility, implementing ARIA patterns, building for screen readers, or ensuring inclusive user experiences.

wshobson/airflow-dag-patterns

Build production Apache Airflow DAGs with best practices for operators, sensors, testing, and deployment. Use when creating data pipelines, orchestrating workflows, or scheduling batch jobs.

wshobson/angular-migration

Migrate from AngularJS to Angular using hybrid mode, incremental component rewriting, and dependency injection updates. Use when upgrading AngularJS applications, planning framework migrations, or modernizing legacy Angular code.

wshobson/anti-reversing-techniques

Understand anti-reversing, obfuscation, and protection techniques encountered during software analysis. Use this skill when analyzing malware evasion techniques, when implementing anti-debugging protections for CTF challenges, when reverse engineering packed binaries, or when building security research tools that need to detect virtualized environments.

wshobson/api-design-principles

Master REST and GraphQL API design principles to build intuitive, scalable, and maintainable APIs that delight developers. Use when designing new APIs, reviewing API specifications, or establishing API design standards.

wshobson/architecture-decision-records

Write and maintain Architecture Decision Records (ADRs) following best practices for technical decision documentation. Use when documenting significant technical decisions, reviewing past architectural choices, or establishing decision processes.

wshobson/architecture-patterns

Implement proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design. Use this skill when designing clean architecture for a new microservice, when refactoring a monolith to use bounded contexts, when implementing hexagonal or onion architecture patterns, or when debugging dependency cycles between application layers.

wshobson/async-python-patterns

Master Python asyncio, concurrent programming, and async/await patterns for high-performance applications. Use when building async APIs, concurrent systems, or I/O-bound applications requiring non-blocking operations.

wshobson/attack-tree-construction

Build comprehensive attack trees to visualize threat paths. Use when mapping attack scenarios, identifying defense gaps, or communicating security risks to stakeholders.

wshobson/auth-implementation-patterns

Master authentication and authorization patterns including JWT, OAuth2, session management, and RBAC to build secure, scalable access control systems. Use when implementing auth systems, securing APIs, or debugging security issues.

wshobson/avoid-ai-writing

Audit and rewrite prose so it stops reading as machine-generated. Use this skill when asked to remove AI-isms, clean up AI writing, edit a draft for AI tells, audit a README, changelog, release note, PR description, or blog post for machine-sounding prose, or make text sound less like AI. Supports a detect-only mode, a rewrite mode, and an edit-in-place mode, with optional voice and context profiles.

wshobson/backtesting-frameworks

Build robust backtesting systems for trading strategies with proper handling of look-ahead bias, survivorship bias, and transaction costs. Use when developing trading algorithms, validating strategies, or building backtesting infrastructure.

wshobson/bash-defensive-patterns

Master defensive Bash programming techniques for production-grade scripts. Use when writing robust shell scripts, CI/CD pipelines, or system utilities requiring fault tolerance and safety.

wshobson/bats-testing-patterns

Master Bash Automated Testing System (Bats) for comprehensive shell script testing. Use when writing tests for shell scripts, CI/CD pipelines, or requiring test-driven development of shell utilities.

wshobson/bazel-build-optimization

Optimize Bazel builds for large-scale monorepos. Use when configuring Bazel, implementing remote execution, or optimizing build performance for enterprise codebases.

wshobson/before-you-build

Pre-build product and feature risk review for founders, product managers, and AI-assisted builders. Use this skill when the user is about to build a landing page, MVP, SaaS product, internal tool, agent workflow, or major feature and needs to check demand, positioning, monetization, retention, trust, distribution, and adoption risk before implementation starts.

wshobson/billing-automation

Build automated billing systems for recurring payments, invoicing, subscription lifecycle, and dunning management. Use when implementing subscription billing, automating invoicing, or managing recurring payment systems.

wshobson/binary-analysis-patterns

Master binary analysis patterns including disassembly, decompilation, control flow analysis, and code pattern recognition. Use when analyzing executables, understanding compiled code, or performing static analysis on binaries.

wshobson/block-no-verify-hook

Configure a PreToolUse hook to prevent AI agents from skipping git pre-commit hooks with --no-verify and other bypass flags. Use when setting up Claude Code projects that enforce commit quality gates.

wshobson/brand-landingpage

Brand-first landing page designer — runs a brand-identity interview (colors, typography, shape language), then generates and iterates on a polished landing page via Stitch with deployment-ready HTML. Use when the user asks to create, design, or build a landing page, homepage, or marketing page and has no established visual direction. Skip when they have a design mockup, need a dashboard or app UI, are working at component level, building a multi-page app, or restyling with known design tokens — use frontend-design instead.

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