DevOps e Infra

End-to-end validation of a merchant's UCP integration. Tests profile schema, capability negotiation, catalog search/lookup, checkout lifecycle, and payment handler declaration. Outputs a PASS/FAIL compliance report with 40+ checks. Use after deployment to verify the integration works correctly.

Patterns for MCP resources including URIs, templates, subscriptions, dynamic resources, context provision, and MIME types. Use when the user is exposing data as MCP resources, designing resource URIs, implementing resource templates with parameters, setting up resource subscriptions, or providing context to Claude through resources.

Guide for database schema migrations with zero-downtime patterns, rollback strategies, data migrations, and migration testing. Use when the user writes database migrations, asks about schema changes in production, needs zero-downtime migration patterns, or plans rollback strategies. Trigger whenever database migration, schema change, or ALTER TABLE in production is discussed.

Apply structured debugging techniques to find and fix bugs efficiently. Use when the user reports a bug, encounters unexpected behavior, says something is "not working", or asks for help debugging. Apply hypothesis-driven debugging instead of random changes.

Express.js error handling patterns including async error catching, custom error classes, centralized error middleware, and the distinction between operational and programmer errors. Use when the user is handling errors in Express, writing async route handlers, creating custom error types, or debugging unhandled rejections. Trigger on mentions of Express error handling, async errors, error middlewa

Apply structured thinking, bias checks, and decision frameworks to infrastructure troubleshooting, change planning, and architecture trade-offs.

EM-PM conversation to review and prioritize the technical debt backlog. Triggers on demand or when open item count exceeds 20.

Guide for optimizing SQL queries with EXPLAIN ANALYZE, index tuning, N+1 detection, covering indexes, and query plan analysis. Use when the user has slow database queries, asks about query performance, needs to interpret EXPLAIN output, or wants to eliminate N+1 queries. Trigger whenever query performance, slow queries, or database optimization is discussed.

Use when setting up TYPO3 extension test infrastructure, writing unit/functional/E2E tests, configuring PHPUnit 11/12/13, mutation testing, mocking final classes (v14), CI/CD matrix across TYPO3 12/13/14.3 LTS, dev-dependency consolidation via typo3-ci-workflows meta-package, or debugging CI failures. Also triggers on: testing-framework setup, ensure proper testing, test matrix, integration testin

Overlay for app-owned versus vendored dependency boundaries. Portable across repos that vendor third-party code. Use when work touches vendored dependencies or their integration seam.

Extract the most meaningful, engaging clips from YouTube videos. Use when user provides a YouTube URL and wants to find highlights, best moments, controversial takes, or valuable segments. Supports specifying number of clips or topic focus.

Run enrichment pipeline on chunk directories