Skill UI

This skill guides users to create a new Remotion video project from scratch. It covers scaffolding the project structure, installing dependencies, designing video compositions using React, configuring preview servers, and rendering the final video output. It is suitable for developers building video content with Remotion tools.

Expert patterns for Segment Customer Data Platform: Analytics.js, server-side tracking, Protocols tracking plans, identity resolution, destination setup, and data governance best practices.

A comprehensive REST API for sending and receiving multi-channel messages, including iMessage (blue bubbles), SMS, and RCS. This skill allows developers to integrate messaging capabilities into server-side applications, supporting advanced features such as group messaging, reactions, typing indicators, and status callbacks. It also handles inbound messages via webhooks, making it ideal for building robust, real-time communication services that require programmatic control over messaging lifecycles.

A powerful Node CLI tool for sending both SMS and iMessage directly from a shell environment, script, or automation hook. It simplifies outbound communication by handling account setup and message sending without requiring a dedicated API client or webhook server. Ideal for cron jobs, CI/CD pipelines, and agent turn notifications.

This skill covers essential principles for managing production servers, focusing on decision-making rather than memorizing commands. It includes process management, monitoring strategies, log handling, scaling decisions, health checks, and security best practices to ensure system stability and reliability.

Audit an Agent Skill, MCP server, connector, or desktop extension before installation by tracing code, dependencies, permissions, credentials, data flow, and irreversible actions.

Conduct authorized security assessments of SMTP servers to identify open relays, user enumeration, weak authentication, TLS issues, and misconfigurations using nmap, hydra, and smtp-user-enum.

Configure SSH servers and clients securely. Manage keys, tunnels, and config files. Use when setting up secure remote access.

Zero-knowledge SSH ops CLI for server health checks, docker/systemd control, log tailing, Postgres introspection, and declarative deploys without exposing credentials to the agent.

Manage SSL/TLS certificates for web servers, Kubernetes clusters, and internal services. Covers Let's Encrypt with Certbot, automated renewal, cert-manager deployment, and configuration of ClusterIssuers and Certificate resources.

Implement and verify Stripe checkout, subscriptions, webhooks, and refunds with explicit server-side authorization. Covers payment flows, webhook handling, subscription management, and customer management. Provides code patterns for hosted checkout, payment intents, and setup intents. Emphasizes security boundaries and proper use of test accounts.

SvelteKit is the official full-stack framework built on Svelte, enabling developers to build fast, modern, and highly performant web applications. It provides comprehensive features including file-based routing, Server-Side Rendering (SSR), Static Site Generation (SSG), API routes, and progressive form actions, all while maintaining Svelte's zero runtime overhead. Use this skill when building complex, data-driven web platforms where performance and developer experience are paramount.