Databases

Implements push notifications across iOS, Android, and web using Firebase Cloud Messaging and native services. Use when adding notification capabilities, handling background messages, or setting up notification channels.

WordPress plugin development with hooks, security, REST API, custom post types. Use for plugin creation, $wpdb queries, Settings API, or encountering SQL injection, XSS, CSRF, nonce errors.

Next.js 16 with App Router, Server Components, Server Actions, Cache Components. Use for React 19.2 apps, SSR, or encountering async params, proxy.ts migration, use cache errors.

Use for bun:sqlite, SQLite operations, prepared statements, transactions, and queries.

Cloudflare Zero Trust Access authentication for Workers. Use for JWT validation, service tokens, CORS, or encountering preflight blocking, cache race conditions, missing JWT headers.

This skill should be used when the user wants to execute a looplia workflow, run workflowsteps, or process a workflow.md file. Use when someone says "run the looplia workflow","execute this looplia pipeline", "/run writing-kit", "start the looplia automation", or"process these workflow steps".Architecture: One workflow step triggers one general-purpose subagent call, which theninvokes skills to accomplish the step's mission. Each step = separate context window.Handles sandbox management, per-step orchestration, and validation state tracking.v0.6.9: Unified general-purpose subagent strategy for all providers (context offload).

Nuxt 4 server-side development with Nitro: API routes, server middleware,database integration, and backend patterns.Use when: creating server API routes, implementing server middleware,integrating databases (D1, PostgreSQL, Drizzle), handling file uploads,implementing WebSockets, or building backend logic with Nitro.Keywords: server routes, API routes, Nitro, defineEventHandler,getRouterParam, getQuery, readBody, setCookie, createError,server middleware, D1, Drizzle, PostgreSQL, WebSocket, file upload

Creates intuitive user experiences through feedback patterns, microinteractions, and accessible interaction design. Use when designing loading states, error handling UX, animation guidelines, or touch interactions.

Vercel KV (Redis-compatible key-value storage via Upstash). Use for Next.js caching, sessions, rate limiting, TTL data storage, or encountering KV_REST_API_URL errors, rate limit issues, JSON serialization errors. Provides strong consistency vs eventual consistency.

Nuxt Content v3 Git-based CMS for Markdown/MDC content sites. Use for blogs, docs, content-driven apps with type-safe queries, schema validation (Zod/Valibot), full-text search, navigation utilities. Supports Nuxt Studio production editing, Cloudflare D1/Pages deployment, Vercel deployment, SQL storage, MDC components, content collections.

Query and explore logs in Grafana Loki via the logcli command-line tool. Use when a user asks to pull logs for analysis.

Database sharding for PostgreSQL/MySQL with hash/range/directory strategies. Use for horizontal scaling, multi-tenant isolation, billions of records, or encountering wrong shard keys, hotspots, cross-shard transactions, rebalancing issues.

Cloudflare D1 serverless SQLite on edge. Use for databases, migrations, bindings, or encountering D1_ERROR, statement too long, too many requests queued errors.

FastMCP Python framework for MCP servers with tools, resources, storage backends (memory/disk/Redis/DynamoDB). Use for Claude tool exposure, OAuth Proxy, cloud deployment, or encountering storage, lifespan, middleware, circular import, async errors.

Master the know CLI tool for managing specification graphs. Use when working with spec-graph.json, understanding graph structure, querying entities/references/meta, managing dependencies, or learning graph architecture. Teaches dependency rules, entity types, and graph operations.

Comprehensive guide for Google Apps Script development covering all built-in services (SpreadsheetApp, DocumentApp, GmailApp, DriveApp, CalendarApp, FormApp, SlidesApp), triggers, authorization, error handling, and performance optimization. Use when automating Google Sheets operations, creating Google Docs, managing Gmail/email, working with Google Drive files, automating Calendar events, implementing triggers (time-based, event-based), building custom functions, creating add-ons, handling OAuth scopes, optimizing Apps Script performance, working with UrlFetchApp for API calls, using PropertiesService for persistent storage, or implementing CacheService for temporary data. Covers batch operations, error recovery, and JavaScript ES6+ runtime.

Cloudflare Vectorize vector database for semantic search and RAG. Use for vector indexes, embeddings, similarity search, or encountering dimension mismatches, filter errors.

Progressive Web Apps with service workers, web manifest, offline support, installation prompts. Use for installable web apps, offline functionality, push notifications, or encountering service worker registration, cache strategy, manifest configuration errors.

Clerk authentication for React, Next.js, Cloudflare Workers. Use for auth setup, protected routes, JWT verification/templates, clerkMiddleware, shadcn/ui integration, testing flows, or encountering secret key errors, JWKS cache issues, JWT size limits, CSRF vulnerabilities.

Use when working with Redis in Bun (ioredis, Upstash), caching, pub/sub, session storage, or key-value operations.