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Use when implementing Disney's 12 animation principles with Motion One (modern, lightweight animation library)

Upgrades npm/yarn/pnpm dependencies with breaking change handling. Use when updating JavaScript/TypeScript dependencies.

Validate pending migrations for foreign key consistency, rollback safety, and best practices

Audits and writes AGENTS.md files using execution-first standards. Checks commands, gotchas, and signal-to-noise ratio. Use when asked to audit, review, score,…

Review AI-generated code changes before committing using GitHuman. Use when reviewing code changes, creating code reviews, checking what the AI agent wrote,…

Set up Convex authentication with proper user management, identity mapping, and access control patterns. Use when implementing auth flows.

CRITICAL - Detect exposed PostgreSQL database connection strings in client-side code. Direct DB access is a P0 issue.

Svelte 5 runes + SvelteKit adapter-static (SSG/SSR) patterns for hydration-safe state, store bridges, and reactivity that survives prerendering

Upgrades Python pip/poetry/pipenv dependencies with breaking change handling. Use when updating Python dependencies.

RESTful API design, error handling, versioning, and best practices. Use when designing APIs, reviewing endpoints, implementing error responses, or setting up…

Intuitive, type safe and flexible Store for Vue. ALWAYS use when writing code importing \"pinia\". Consult for debugging, best practices, or modifying pinia.

Create Product Requirements Documents (PRD) following SDD methodology - Layer 2 artifact defining product features and user needs

macOS disk cleanup, cache pruning, stale file detection, and Downloads triage. TRIGGERS - disk space, cleanup, disk usage

Testing Inertia Rails responses with RSpec and Minitest: component assertions, prop matching, flash verification, deferred props, and partial reload helpers. Use when writing controller specs, request specs, or integration tests for Inertia pages. ALWAYS use matchers (render_component, have_props, have_flash), NOT direct access (inertia.component, inertia.props). CRITICAL: after POST/PATCH/DELETE with redirect, MUST call follow_redirect! before asserting flash or props — without it you're asserting against the 302, not the Inertia page. Setup: require 'inertia_rails/rspec'.

Use when optimizing large value type performance, working with noncopyable types, reducing ARC traffic, or using InlineArray/Span for zero-copy memory access.…

Expert in live streaming, WebRTC, and real-time video/audio

Weighted pipeline forecast by probability. Historical accuracy tracking, commit vs best-case scenarios, deal slippage patterns.

Background legal and regulatory context for the shinkoku tax filing plugin. Contains the standard disclaimer about the scope of tax information provided, the relationship to the Tax Accountant Act (税理士法), and tool limitations. This skill is not user-invocable — Claude loads it automatically when generating tax-related responses that require a disclaimer.

Comprehensive sales and revenue operations skill. Use when building a sales team, doing founder-led sales, hiring first sales reps, navigating enterprise deals, implementing product-led sales, designing sales compensation plans, defining ICP, mapping buyer personas, or optimizing the revenue engine (RevOps). Activates for: sales strategy, rev ops, revenue operations, sales enablement, sales compensation, ICP, ideal customer profile, buyer persona, sales process, deal execution, lead scoring, lead routing, lead lifecycle, MQL, SQL, pipeline management, CRM automation, sales qualification, BANT, MEDDIC, founder sales, enterprise sales, product-led sales, startup sales, SDR, AE, quota, ramp, commission plan.

Expert blueprint for save/load systems using JSON/binary serialization, PERSIST group pattern, versioning, and migration. Covers player progress, settings,…