Create or augment technical documentation. Use when writing new skills, updating existing skills. Also use when modifying project documentation like AGENTS.md.

Guides operating system and hardware platform migrations including Linux distribution changes, Windows to Linux migration, mainframe to x86 modernization, data center migrations (physical to...

Guides infrastructure and platform migration including cloud-to-cloud migration (AWS to GCP, Azure to AWS), Kubernetes cluster migration, CI/CD platform changes, monitoring stack migration,...

Guides comprehensive application migration projects including legacy system modernization, cloud migration, technology stack upgrades, database migration, and architecture transformation. Covers...

Guides database migration projects including engine changes (MySQL to PostgreSQL, Oracle to PostgreSQL, SQL Server to PostgreSQL), version upgrades, cloud migrations (on-premise to RDS/Cloud...

Deployment workflows, pre-deploy validation, and smoke testing patterns. Use when deploying to staging or production, running smoke tests, or validating deployments.

Guides comprehensive requirements gathering and analysis including stakeholder interviews, user story creation, use case documentation, acceptance criteria, requirements prioritization, and...

Format and validate markdown documents with auto-generated TOC, frontmatter, structure validation, and cross-reference linking. Export to GitHub/CommonMark/Jekyll/Hugo.

Analyzes and assists with Fujitsu mainframe systems including FACOM, PRIMERGY, BS2000/OSD, OSIV/MSP, OSIV/XSP, NetCOBOL, PowerCOBOL, and Fujitsu JCL. Extracts business logic from Fujitsu COBOL...

Designs comprehensive software solution architectures including system components, technology stacks, integration patterns, scalability strategies, and deployment models. Produces architecture...

RLS validation, security audits, OWASP compliance, and vulnerability scanning. Use when validating RLS policies, auditing API routes, or scanning for security issues.

n8n expression syntax validation, context-aware testing, common pitfalls detection, and performance optimization. Use when validating n8n expressions and data transformations.

API route implementation patterns with RLS, Zod validation, and error handling. Use when creating API routes, implementing endpoints, or adding server-side validation.

Framework-free form validation using HTML5 Constraint Validation API enhanced with Zod for complex rules. Use when building forms without React/Vue or for progressive enhancement.

Implement data quality validation with Great Expectations, dbt tests, and data contracts. Use when building data quality pipelines, implementing validation rules, or establishing data contracts.

Implement data quality validation with Great Expectations, dbt tests, and data contracts. Use when building data quality pipelines, implementing validation rules, or establishing data contracts.

Implement data quality validation with Great Expectations, dbt tests, and data contracts. Use when building data quality pipelines, implementing validation rules, or establishing data contracts.

Implement data quality validation with Great Expectations, dbt tests, and data contracts. Use when building data quality pipelines, implementing validation rules, or establishing data contracts.

PR creation, CI/CD validation, and release coordination patterns. Use when creating pull requests, running pre-PR validation, checking CI status, or coordinating merges.

Use when invalid data causes failures deep in execution, requiring validation at multiple system layers - validates at every layer data passes through to make bugs structurally impossible