ORM

Configure scatter plots in drizzle-cube dashboards for correlation and distribution analysis. Use when creating scatter plots, correlation charts, or distribution visualizations.

Create reactive Python notebooks for IMSA racing data analysis using marimo. Use for building interactive filtering UIs (seasons, classes, events), connecting to DuckDB databases, creating reactive visualizations, and performing data analysis with automatic cell re-execution. Includes templates, patterns, and IMSA-specific workflows.

Expert guide for Supabase Storage including bucket management, file operations, URL generation, and RLS policies. Use when working with file uploads/downloads, creating public or private buckets, generating signed URLs, implementing storage RLS policies, handling resumable uploads, image transformations, or any Supabase Storage-related tasks.

Build, run, test, and debug Apple platform apps (iOS, macOS) headlessly using xcede CLI. Use when working with Xcode projects or Swift packages outside of Xcode IDE. Covers building for devices/simulators/Mac, running apps, executing tests (XCTest/Swift Testing), debugging with lldb, and configuring projects via .xcrc files.

Design database models with proper naming, data types, constraints, and relationships. Use this skill when creating or modifying ORM models, database schemas, or entity definitions. When working on files like models.py, models/, entities/, schemas/, or any file defining database tables and their relationships. When adding timestamps, foreign keys, indexes, or validation constraints. When defining model relationships (one-to-many, many-to-many) or cascade behaviors.

Expert in Lighthouse Journey Timeline backend architecture, service patterns, testing, and API development using Express.js, TypeScript, and Drizzle ORM. Use when implementing backend services, APIs, controllers, database queries, authentication, permissions, error handling, testing server code, or writing migrations.

Receive and act on code review feedback with technical rigor, not performative agreement or blind implementation

Master-level fullstack software engineering with deep backend expertise. Use when building production-grade APIs, database architectures, authentication systems, microservices, or any backend-heavy application. Triggers on: (1) API design and implementation, (2) Database schema design and optimization, (3) Authentication/authorization systems, (4) System architecture decisions, (5) Performance optimization, (6) Error handling and logging, (7) Testing strategies, (8) DevOps and deployment, (9) Security hardening.

Comprehensive UX research assistant that analyzes user feedback from surveys, reviews, and interviews to identify trends, cluster themes, surface friction points, and generate actionable product roadmaps. Use when analyzing user feedback, conducting UX research, evaluating product performance, prioritizing features, or transforming qualitative/quantitative feedback into strategic insights.

Google Cloud Platform configuration templates for BigQuery ML and Vertex AI training with authentication setup, GPU/TPU configs, and cost estimation tools. Use when setting up GCP ML training, configuring BigQuery ML models, deploying Vertex AI training jobs, estimating GCP costs, configuring cloud authentication, selecting GPUs/TPUs for training, or when user mentions BigQuery ML, Vertex AI, GCP training, cloud ML setup, TPU training, or Google Cloud costs.

Review coding challenge solutions from LeetCode, GreatFrontEnd, or other platforms. Analyze algorithm correctness, time/space complexity, code quality, identify patterns, explain key insights, and suggest related problems. Use when reviewing DSA solutions, analyzing complexity, or providing educational feedback on coding challenges.

Standardized output format for code reviews with severity labels, file:line references, and fix code snippets. Use when generating review reports that need consistent, actionable feedback structure.

Use when receiving code review feedback, before implementing suggestions, especially if feedback seems unclear or technically questionable - requires technical rigor and verification, not performative agreement or blind implementation

OAuth 2.1 Token Endpoint implementation guide. Use when implementing token endpoint requirements beyond OpenID Connect, including grant types, token response format, Cache-Control headers, CORS support, and error handling. Covers OAuth 2.1 Section 3.2 and Section 4 requirements.

Enterprise-grade Python expertise with production patterns for Python 3.13.9, FastAPI 0.115.x, Django 5.2 LTS, Pydantic v2, SQLAlchemy 2.0; activates for API development, ORM usage, async patterns, testing frameworks, and production deployment strategies.

Auto-invoke when reviewing schema design, database queries, ORM usage, or migrations. Enforces normalization, indexing awareness, query optimization, and migration safety.

Assists in writing high-quality content by conducting research, adding citations, improving hooks, iterating on outlines, and providing real-time feedback on each section. Transforms your writing process from solo effort to collaborative partnership.

Expert assistant for monitoring and optimizing performance in the KR92 Bible Voice project. Use when analyzing query performance, optimizing database indexes, reviewing React Query caching, monitoring AI call costs, or identifying N+1 queries.

Comprehensive backend development guide for Node.js/NestJS/TypeScript microservices. Use when creating controllers, services, database access, middleware, DTOs, or working with NestJS APIs, dependency injection, or async patterns. Covers layered architecture (controllers → services → dbservice), error handling, performance monitoring, testing strategies.

Use this skill to perform comprehensive editorial reviews of tacosdedatos content. Provides developmental editing (structure, flow, argument strength, pacing) and voice authenticity editing (ensuring content sounds like tacosdedatos, not generic AI). Use when reviewing drafts, giving feedback on submissions, or evaluating content before publication. Distinct from the writer skill (creates content) and copy-editor agent (grammar/mechanics polish).