Development

Master engineering leadership, team management, product strategy, and organizational leadership. Use when leading teams, making strategic decisions, or managing engineering organizations.

Build modern mobile applications with React Native, Flutter, Swift/SwiftUI, and Kotlin/Jetpack Compose. Covers mobile-first design principles, performance optimization (battery, memory, network), offline-first architecture, platform-specific guidelines (iOS HIG, Material Design), testing strategies, security best practices, accessibility, app store deployment, and mobile development mindset. Use when building mobile apps, implementing mobile UX patterns, optimizing for mobile constraints, or making native vs cross-platform decisions.

SRE principles, observability, and incident management

Refining and improving user prompts for StickerNest development. Use when the user asks to improve a prompt, make a request clearer, help phrase something better, or when they give a vague request and you want to clarify. Covers prompt engineering, StickerNest context injection, and disambiguation.

Use this skill when creating, optimizing, or improving prompts for large language models. Applies when users need help designing effective prompts, selecting appropriate prompting techniques, or troubleshooting prompt performance. Provides expert guidance through conversational consulting to build prompts using research-backed best practices and proven patterns.

Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.

Create and manage database migrations following best practices for schema changes and data migrations. Use this skill when creating database migration files, modifying database schemas, adding or removing tables and columns, working with migration files (prisma/migrations/*, db/migrate/*, migrations/*), implementing reversible migrations with rollback methods, managing database indexes, handling zero-downtime deployments, separating schema changes from data migrations, or ensuring backwards compatibility during schema updates. Apply this skill when setting up new database tables, altering existing database structures, creating migration scripts, or reviewing migration safety and rollback strategies.

Integrate and maintain the Instagram/Facebook social wall for case studies and blogs in this repo, including manual import workflows, Meta Graph API setup, compliance endpoints, and SEO/performance/security guardrails. Use when adding social posts, updating the importer, wiring UI placement, or handling Meta tokens and data deletion callbacks.

Design multi-stage CI/CD pipelines with approval gates, security checks, and deployment orchestration. Use when architecting deployment workflows, setting up continuous delivery, or implementing GitOps practices.

Implement proper i18n routing with next-intl, locale-based URLs, and correct parameter handling in Next.js 16 App Router. Use when creating pages, links, metadata, static params, or working with locale parameters.

Refactors code to improve readability, maintainability, performance, and adherence to best practices while preserving functionality

Build agentic systems using Claude CLI in headless mode or the Claude Agent SDK. Use when building automation pipelines, CI/CD integrations, multi-agent orchestration, or programmatic Claude interactions. Covers CLI flags (-p, --output-format), session management (--resume, --continue), Python SDK (claude-agent-sdk), custom tools, and agent loop patterns.

Security protocols and vendor management expertise from Marcus covering emergency response codes, vendor relations, and operational safety

Expert knowledge for implementing distributed sagas in Composable Rust. Use when coordinating multiple aggregates in distributed transactions, implementing compensation logic or rollback flows, working with EventBus trait or Redpanda integration, designing saga state machines, or questions about eventual consistency and distributed transaction patterns.

Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.

Convert PRD requirements into structured epics, features, and user stories with acceptance criteria and priority rankings

This skill should be used when developing Next.js 16 applications with React, TypeScript, Material-UI V7, and Firebase. Provides comprehensive guidance on setup, best practices, error handling, and advanced patterns for production-ready applications.

Use when maintaining a fork of a Python package without GitHub access, importing upstream releases from PyPI tarballs, or merging upstream updates into a fork using vendor branch strategy

Comprehensive code review with security, performance, and quality analysis

VS Code language diagnostics and Jupyter code execution using IDE MCP. Use for checking type errors, running Python code in notebooks, or getting real-time code analysis. Triggers on requests for diagnostics, type checking, or notebook execution.