Lists all Vestaboard subscriptions accessible with the current credentials. Returns subscription and board information for accessible Vestaboard displays. Use this to discover which boards you can send messages to, then use the subscription ID with the send message action. Example usage: "Show me my Vestaboard subscriptions" or "What Vestaboard boards can I access?"

Send a message to a Vestaboard board. This action posts text or character codes to your Vestaboard display. You can send either plain text (which will be formatted automatically) or a 6x22 matrix of character codes for precise control. When using token-based authentication, the message is sent to the board associated with your authentication token. Examples: - "Display 'Hello World' on my Vestaboard" - "Send the message 'Meeting in 5 minutes' to my board"