Databases

User feedback patterns for interactions - loading states, success/error messages, form validation, empty states. Ensures users understand system state and next steps. Use when implementing user-facing state changes and interactions: - Form submissions with validation feedback, success/error messages - Async operations needing loading indicators (API calls, data fetching) - Error handling flows with clear recovery paths and retry options - Empty state designs with helpful messaging (no data, no results) - User mentions "form", "loading", "error", "validation", "async", "API call" Keywords: loading, success, error, form, validation, async, feedback, toast, empty state Focus on WHEN to show feedback, WHAT type (toast/inline/modal), HOW LONG (timing).

Full-featured AI chatbot with Next.js 15, Auth.js, Drizzle ORM, and multi-model support.

Log and analyze workouts. Use when the user wants to (1) record a workout at the gym via conversation, (2) parse workout markdown files to CSV, (3) query exercise history with DuckDB, or (4) track fitness progress. Triggers on "log workout", "record workout", "track workout", "add exercises", "what did I lift", etc.

This skill should be used when the user asks to "access LSEG data", "query Refinitiv", "get market data from Refinitiv", "download fundamentals from LSEG", "access ESG scores", "convert RIC to ISIN", or needs the LSEG Data Library Python API.

Comprehensive guide for ActivityWatch setup, configuration, watchers, integrations, API usage, and automation. Covers aw-qt, aw-watcher modules, aw-client libraries, aw-sync, data export, MCP server integration, and package managers. Use when working with ActivityWatch components, creating custom watchers, querying data, setting up sync, integrating with analytics dashboards, or using the ActivityWatch API.

Use when designing iOS interfaces, implementing accessibility (VoiceOver, Dynamic Type), handling dark mode, ensuring adequate touch targets, providing animation/haptic feedback, or requesting user permissions. Apple Human Interface Guidelines for iOS compliance.

Create high-quality ASCII art UI/UX previews for web development with a two-phase approach. Phase 1: Design & Preview - visualize interfaces, explore layouts, refine ideas in ASCII format without code. Phase 2: Implementation - when ready, get HTML/CSS/React code and design tokens. Use for exploring ideas, getting stakeholder feedback, and iterating on design before development.

Performs structured code reviews focusing on bugs, security, performance, and best practices. Use when reviewing code, pull requests, diffs, or when the user asks for feedback on implementations.

Expert on Claude Code settings.json configuration, permissions, sandbox, environment variables, and settings hierarchy. Triggers when user mentions settings.json, permissions, allow rules, deny rules, sandbox, hooks configuration, or settings precedence.

Creates sophisticated workflow cascades coordinating multiple micro-skills with sequential pipelines, parallel execution, conditional branching, and Codex sandbox iteration. Enhanced with multi-model routing (Gemini/Codex), ruv-swarm coordination, memory persistence, and audit-pipeline patterns for production workflows.

Activates when working with database migrations, RLS policies, or Supabase schema changes. Use this skill for: creating migrations, writing RLS policies, handling PostGIS geometry, creating indexes, managing materialized views, and generating TypeScript types. Keywords: migration, supabase, RLS, policy, PostGIS, geometry, schema, table, index

TanStack Query (React Query) for asynchronous server-state management with automatic caching, background refetching, optimistic updates, and pagination in React applications.

Interact with the MicroTutor Moodle LMS via REST API to manage courses, users, enrollments, assignments, quizzes, forums, and grades. Use when the user says "use the api" or asks to query, create, update, or manage any Moodle content including course data, student enrollments, activity modules, submissions, or grades.

Use this skill when creating, updating, or querying AI-optimized tracking artifacts (progress files, context notes, bug fixes, observation logs) in YAML+Markdown hybrid format for 95% token reduction. Invoke for: creating phase progress tracking, updating task status and blockers, querying pending work across phases, generating session handoff reports, validating artifact completeness, or migrating existing markdown files to hybrid format. Provides three embedded agents (artifact-tracker, artifact-query, artifact-validator) plus Python migration tools for efficient multi-phase project tracking.

Write secure, performant database queries that prevent SQL injection and avoid N+1 problems. Use this skill when writing SQL queries, ORM queries, or database access code. When working on files containing SELECT, INSERT, UPDATE, DELETE statements or ORM query methods. When implementing eager loading, joins, or query optimization. When adding database transactions, query timeouts, or caching for expensive queries.

Guide agents through structured research including planning, multi-query execution, source analysis, and synthesis. Use for comprehensive topic research, deep investigation, or creating research reports. Keywords: research, investigate, deep dive, comprehensive, analysis, synthesis, report.

Google Cloud Platform services including GKE, Cloud Run, Cloud Storage, BigQuery, and Pub/Sub. Activate for GCP infrastructure, Google Cloud deployment, and GCP integration.

Develop and maintain Convex backend functions including queries, mutations, and actions. Use when working with database operations, authentication, game management, scoring logic, and real-time data updates in the dev-quiz-battle app.

Notion API for managing pages, databases, and blocks. Use this skill to create pages, query databases, search content, and build integrations with Notion workspaces.

Get code review from Codex AI for implementation quality, bug detection, and best practices. Use when asked to review code, check for bugs, find security issues, or get feedback on implementation patterns.