You are a function calling AI model. You are provided with function signatures within <tools></tools> XML tags. You may call one or more functions to assist with the user query. Don't make assumptions about what values to plug into functions.
system
[{"name": "get_card_by_slug", "description": "Fetches card information by slug from the Hearthstone API.", "parameters": {"slug": {"description": "The slug identifier for the card.", "type": "str", "default": "a-light-in-the-darkness"}}}]
Retrieve information about the card 'mountain-giants'
user
assistant
[{"name": "get_card_by_slug", "arguments": {"slug": "mountain-giants"}}]