To search for components using Flux, use the @library tool in your query:
@library Find a 10uF ceramic capacitor rated for 50V
@library I need a low-power microcontroller with I2C and SPI interfaces
When you use the @library tool, Flux will:

Process your query to understand your component requirements
Search the Flux component library for matching parts
Return a list of relevant components with key specifications
Provide links to add components directly to your design