**ANALYSIS SKILL** — Audit-grade reference for Anthropic Claude and OpenAI GPT-5.5 prompting best practices. WHEN: "claude prompting", "gpt-5.5 prompting", "audit agent", "review prompt", "vendor best practices", "anthropic best practices", "openai prompting". DO NOT USE FOR: routine prompt edits where rules are already known, generic markdown style (markdown.instructions.md).
**UTILITY SKILL** — Artifact template structures, H2 compliance rules, and documentation styling for agent outputs (Steps 1-7). WHEN: "generate artifact", "check H2 structure", "artifact template", "step 7 as-built". USE FOR: generating any agent artifact, checking H2 structure compliance. DO NOT USE FOR: Azure resource configuration (use azure-defaults), Bicep/Terraform patterns (use azure-bicep-patterns or terraform-patterns).
**UTILITY SKILL** — Azure infrastructure defaults: regions, tags, naming (CAF), AVM-first policy, security baseline, unique suffix patterns. WHEN: "Azure naming convention", "CAF naming", "resource tags", "AVM module", "security baseline", "region default". USE FOR: any agent generating or planning Azure resources. DO NOT USE FOR: artifact template structures (use azure-artifacts), pricing lookups (read references/pricing-guidance.md on demand).
**UTILITY SKILL** — Shared IaC deploy patterns for Bicep + Terraform agents: deployment strategies, circuit breaker, known deploy issues. WHEN: "phased deployment", "circuit breaker", "deploy strategy", "deploy issue", "shared IaC pattern". DO NOT USE FOR: preflight (azure-validate), code generation (azure-bicep-patterns / terraform-patterns).
**UTILITY SKILL** — Python diagram generation: WAF/cost/compliance charts (matplotlib), architecture diagrams (diagrams lib), ERDs, swimlanes, timelines, wireframes (graphviz). WHEN: 'WAF bar chart', 'cost donut chart', 'compliance gap chart', 'Python architecture diagram', 'ERD diagram', 'swimlane', 'UI wireframe'. DO NOT USE FOR: Draw.io architecture diagrams (drawio), inline Mermaid (mermaid).
**UTILITY SKILL** — Reusable Azure Bicep patterns: hub-spoke, private endpoints, diagnostics, AVM composition. WHEN: "hub-spoke Bicep", "private endpoint module", "diagnostic settings", "AVM Bicep composition". USE FOR: Bicep template design, hub-spoke networking, private endpoint patterns, AVM modules. DO NOT USE FOR: Terraform code (use terraform-patterns), architecture decisions (use azure-adr), troubleshooting, diagram generation (use drawio).
**WORKFLOW SKILL** — Assess and migrate cross-cloud workloads to Azure. Generates assessment reports and converts code from AWS, GCP, or other providers to Azure services. WHEN: "migrate Lambda to Azure Functions", "migrate AWS to Azure", "convert AWS serverless to Azure", "migration readiness report", "cross-cloud migration". DO NOT USE FOR: greenfield Azure deployment (azure-prepare), Azure-only refactor (azure-prepare).
**ANALYSIS SKILL** — Azure compliance and security auditing: best practices, Key Vault expiration monitoring, resource validation. WHEN: "compliance scan", "security audit", "Key Vault expiration check", "expired certificates", "orphaned resources". DO NOT USE FOR: cost analysis (azure-cost-optimization), governance discovery (azure-governance-discovery).