Mattermark Mattermark is a sales intelligence platform that provides data and insights on private companies. Sales and marketing teams use it to identify and qualify leads, track company growth, and discover new business opportunities. Official docs: https://mattermark.com/api/ Mattermark Overview - Companies - Company Profile - Search - Lists - Companies in List Use action names and parameters as needed. Working with Mattermark This skill uses the Membrane CLI to interact with Mattermark. Membrane handles authentication and credentials refresh automatically — so you can focus on the integrat…