Backend

Store universal coding patterns into vector database. Auto-invokes after difficult tasks with broadly-applicable lessons. Trigger with "--store" or when user expresses frustration (strong learning signals). Uses true two-stage retrieval with MCP server v2.

Central authority for Claude Code plugins. Covers plugin creation, plugin structure (plugin.json, commands/, agents/, skills/, hooks/), plugin manifest configuration, plugin installation and management (/plugin command), plugin marketplaces (marketplace.json, adding marketplaces), team plugin workflows, plugin development and testing, plugin debugging, plugin sharing and distribution, MCP servers in plugins, and plugin settings. Assists with creating plugins, installing from marketplaces, configuring team plugins, and troubleshooting plugin issues. Delegates 100% to docs-management skill for official documentation.

Central authority for Claude Code Model Context Protocol (MCP) integration. Covers MCP server installation (HTTP, SSE, stdio transports), server management (add, list, remove), installation scopes (local, project, user), plugin-provided MCP servers, enterprise MCP configuration, MCP resources and @ mentions, MCP prompts as slash commands, OAuth authentication, environment variable expansion, Claude Code as MCP server, output limits, and MCP security. Assists with connecting external tools, configuring MCP servers, managing authentication, and troubleshooting MCP issues. Delegates 100% to docs-management skill for official documentation.

Expert in browser automation using Chrome DevTools Protocol (CDP) and WebDriver. Specializes in secure web automation, testing, and scraping with proper credential handling, domain restrictions, and audit logging. HIGH-RISK skill due to web access and data handling.

Design consumer-driven contract testing strategies using Pact, verify provider contracts, and manage API evolution with contract-first approaches.

Rails controller patterns and REST conventions. Use when writing controllers, designing endpoints, or handling requests. Covers REST resources, thin controllers, authorization, and error handling.

Provides visual identity direction and creative briefing frameworks including Alina Wheeler's five-phase process, strategy-to-visual translation method, mood board methodology, logo brief structure, photography style frameworks, and typography/color direction. Auto-activates during visual direction, creative briefing, mood board creation, logo brief writing, and visual identity system work. Use when discussing visual direction, creative briefs, mood boards, logo briefs, photography style, visual identity, visual strategy, visual translation, visual expression, design direction, or visual language.

Elite Talos Linux expert specializing in immutable Kubernetes OS, secure cluster deployment, machine configurations, talosctl CLI operations, upgrades, and production-grade security hardening. Expert in Talos 1.6+, secure boot, disk encryption, and zero-trust infrastructure. Use when deploying Talos clusters, configuring machine configs, troubleshooting node issues, or implementing security best practices.

API documentation and developer portal design

Create REST or GraphQL API endpoints with proper validation, error handling, authentication, and documentation. Use when building backend APIs or serverless functions.

Rails background job patterns for Sidekiq/ActiveJob. Use when creating jobs, handling job errors, or debugging async issues. Covers thin jobs, error strategies, and naming conventions.

DevOps practices for web development including Docker, CI/CD, deployment, monitoring, and infrastructure as code. Use when setting up deployment pipelines, containerizing applications, configuring servers, or implementing DevOps workflows.

Central authority for Claude Code sandboxing and isolation. Covers sandboxed bash tool, /sandbox command, filesystem isolation (blocked access, custom paths), network isolation (domain restrictions, proxy support), OS-level enforcement (bubblewrap on Linux, Seatbelt on macOS), sandbox configuration options, escape hatches (dangerouslyDisableSandbox, allowUnsandboxedCommands), and sandbox security limitations. Assists with configuring sandbox settings, understanding isolation mechanisms, and troubleshooting sandbox issues. Delegates 100% to docs-management skill for official documentation.

Plan AI safety measures including alignment, guardrails, red teaming, and regulatory compliance (EU AI Act, NIST AI RMF).

Integration skill for Lovable.dev projects. Activates when working with:- Lovable.dev projects with GitHub sync- Supabase Edge Functions that need deployment- Database migrations for Lovable Cloud- Projects with supabase/ directory structure- Any mention of "Lovable", "deploy edge function", "apply migration"Provides exact Lovable prompts for backend operations that can't be done via GitHub alone.

Vector database selection, embedding storage, approximate nearest neighbor (ANN) algorithms, and vector search optimization. Use when choosing vector stores, designing semantic search, or optimizing similarity search performance.

Spring Boot and Java best practices. Use when developing REST APIs, services, repositories, or any Java code. Applies DDD architecture, transaction management, and code style conventions.

Send prompts to a remote Claude instance on a VPS for distributed AI collaboration, different model backends, or independent context.

FastAPI modern Python web framework. Use for building APIs, async endpoints, dependency injection, and Python backend development.

Use when implementing Emby MediaPlayerEntity - covers all supported features, state management, playback control, media browsing, image handling, and Emby-specific API mappings for Home Assistant media player integration.