Data & AI

Use this skill whenever the user wants to design, set up, or refactor Cloudflare D1 database usage in a Hono + TypeScript app running on Cloudflare Workers/Pages, including schema management, bindings, query patterns, and data-access structure.

Create structured Google NotebookLM lesson plans with curated sources and tailored audio overview prompts. Use when the user wants to create a NotebookLM notebook, generate learning content with audio overviews, or build a curriculum with multiple focused segments. Handles both single lesson creation and batch processing of multiple topics.

Enterprise AI security patterns - LLM vulnerabilities, prompt injection defense, guardrails, PII protection, and OWASP LLM Top 10 mitigations

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.

Work with imp.lib and imp.gits for Nix flake development. Use when working with imp.lib directory imports, imp.gits multi-repo injection, .d fragment directories, flake-parts integration, or when the user mentions imp, imp.lib, imp.gits, or asks about directory-based Nix configuration.

Transform rough ideas into solid designs through structured questioning

Apply Command Query Responsibility Segregation (CQRS) and Event Sourcing (ES) for collaboration-heavy domains that require strong auditability and independent scaling of reads and writes.

Enhanced feature development combining Anthropic's feature-dev plugin (7-phase workflow, multi-agent exploration) with CIPS design principles (SOLID, GRASP, DRY, KISS, YAGNI, YSH) and efficiency rules (file read optimization, mental model caching).

Guide for implementing Better Auth - a framework-agnostic authentication and authorization framework for TypeScript. Use when adding authentication features like email/password, OAuth, 2FA, passkeys, or advanced auth functionality to applications.

Unified markdown and skill management specialist providing document quality enforcement (structure, style), content optimization for AI assistants, complete skill creation workflow (scaffolding, validation, packaging), ASCII flowchart creation for visualizing complex workflows, user journeys, and decision trees, and install guide creation for MCP servers, plugins, and tools.

Delta Sharing configuration, monitoring, and recipient management for secure cross-organization data sharing.

This skill should be used when users need to create, validate, or modify Moqui framework services, entities, and queries. It provides comprehensive guidance for writing correct Moqui XML definitions, following framework patterns and conventions.

DevOps Captain - Infrastructure-as-code, Kubernetes, CI/CD, and automation specialist

Tracks complex, multi-session work with dependency graphs using bd (beads) issue tracker. Triggers on 'multi-session', 'complex dependencies', 'resume after weeks', 'project memory', 'persistent context', 'side quest tracking', 'portfolio', 'all my beads', 'cross-project beads', or when TodoWrite is insufficient for scope. For simple single-session linear tasks, TodoWrite remains appropriate. (user)

Advise on choosing between Skills, Commands, Subagents, and Hooks for Claude Code. Analyze user requirements and recommend the appropriate artifact type with justification. Use when user asks "should I use a skill or command", "what artifact type", "skill vs command", or describes a workflow needing automation.

Comprehensive data visualization skill covering visual execution and technical implementation. Includes perceptual foundations, chart selection, layout algorithms, and library guidance. Load on-demand when building charts, graphs, dashboards, or any visual data representation.

Write and validate Firestore Security Rules following the project's multi-tenancy Blueprint pattern. Use this skill when implementing collection-level security, Blueprint membership validation, role-based permissions, and data access controls. Ensures rules validate BlueprintMember status, check permissions array, enforce data isolation, and integrate with the three-layer architecture where Security Rules are the first line of defense.

Google Calendar management via CLI. Use when user mentions calendar, events, scheduling, appointments, meetings, free/busy time, or checking availability. Supports listing calendars, viewing/creating/updating/deleting events, and checking free/busy status.

PC application security analyzer for Windows/macOS/Linux executables. Static analysis (SAST) for desktop applications including PE/ELF/Mach-O analysis, dependency scanning, SBOM generation. Integrates with cve-checker and cra-code-reviewer for CRA compliance. Triggers on: PC app analysis, Windows exe, macOS app, Linux binary, PE analysis, ELF analysis, desktop security, SBOM generation, dependency scan.

PostgreSQL VPS database expert. Manages database creation, Prisma schemas, migrations, seeding. Auto-activates on keywords "database", "postgresql", "prisma", "db", "sql" or when backend with data storage needed.