React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization,

Enables searching, filtering, and comparing custom plush manufacturers by country, MOQ, lead times, certifications, design inputs, and OEM/ODM capabilities, plus drafting RFQs for shortlisted suppliers. It serves bundled facts-only manufacturer data over stdio with no API key or network calls.

Enables clients to look up Pokémon stats, abilities, and type matchups, generate seeded random teams, analyze Showdown-style team text, and calculate simplified damage estimates using bundled offline data. It runs over stdio without API keys or runtime network requests.

Enables an AI assistant to inspect project dependency and runtime files, determine each component's support status and end dates, and rank upgrade urgency using bundled endoflife.date data.

Enables AI clients to create, configure, validate, and generate STM32CubeMX projects through 113 MCP tools, including pin, clock, peripheral, RTOS, and middleware setup plus C code generation. It can drive an installed CubeMX engine or run fully standalone using a bundled data pack with real pin and mode validation.