viasrijan

Use when the request is underspecified — interview one question at a time until 95% confidence.

Use when building an MCP server from an OpenAPI spec.

Use when optimizing web performance — field/lab measurement, traces, and loading fixes.

Use when optimizing performance — measure first, then profile, bundle, and fix loading or runtime.

Use when you have a spec and need small verifiable tasks with acceptance criteria.

Use when acting as product manager — RICE, PRDs, backlog, and roadmap.

Use when tracking SaaS metrics — MRR, churn, CAC, and financial analysis.

Use when handling user input, auth, secrets, or external integrations — prevent OWASP Top 10, enforce auth patterns, secrets management…

Use when optimizing for SEO — technical, on-page, structured data, and mobile-friendliness.

Use when you need authoritative framework code — verify and cite official docs.

Use when starting a new project or significant change — write a PRD before any code.

Use when assessing tech debt — scan, score severity, and generate prioritized remediation plans.