Build professional command-line interfaces in Python, Go, and Rust using modern frameworks like Typer, Cobra, and clap. Use when creating developer tools, automation scripts, or infrastructure management CLIs with robust argument parsing, interactive features, and multi-platform distribution.
Manage DNS records, TTL strategies, and DNS-as-code automation for infrastructure. Use when configuring domain resolution, automating DNS from Kubernetes with external-dns, setting up DNS-based load balancing, or troubleshooting propagation issues across cloud providers (Route53, Cloud DNS, Azure DNS, Cloudflare).
Hides or disables a service from the documentation listing while preserving the page for SEO and bookmarks. Use when deprecating services, marking services unavailable, adding disabled:true to List.vue, or adding warning callouts to service pages. Keeps docs/services/ pages accessible via direct URL.
Tool safety protocols, adversarial output validation, error recovery patterns, and I/O contracts for research operations
Generates C4 architecture diagrams (context, container, component) in Mermaid or PlantUML. Use when creating or updating architecture visualizations.
Mom Test questioning toolkit, JTBD analysis, interview conduct, assumption testing framework, and hypothesis design
Use when working with walkerOS transformers, understanding event validation/enrichment/redaction, or learning about transformer chaining. Covers interface, return values, and pipeline integration.
Best practices for command definition files - size targets, declarative template, anti-patterns, and canonical examples based on research evidence
Data architecture patterns (warehouse, lake, lakehouse, mesh), ETL/ELT pipelines, streaming architectures, scaling strategies, and schema design patterns
Database comparison catalogs, RDBMS vs NoSQL selection criteria, CAP/ACID/BASE theory, OLTP vs OLAP, and technology-specific characteristics
Orchestrates the full DELIVER wave end-to-end (roadmap > execute-all > finalize). Use when all prior waves are complete and the feature is ready for implementation.
Evaluation criteria and scoring for data engineering artifact reviews
DIVIO/Diataxis four-quadrant documentation framework - type definitions, classification decision tree, and signal catalog
Research output templates, distillation workflow, and quality standards for evidence-driven research
Toyota 5 Whys methodology with multi-causal branching, evidence requirements, and validation techniques
Clojure language-specific patterns, data-first modeling, REPL-driven development, and spec
F# language-specific patterns, Railway-Oriented Programming, and Computation Expressions
Stateful property-based testing patterns, model-based testing, and anti-patterns
4-step system design framework with back-of-envelope estimation, scaling ladder, and common pitfalls
