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": "dev_to", "description": "Checks the availability of a given username on Dev.to using the Toolbench RapidAPI service.", "parameters": {"username": {"description": "The username to check for availability on Dev.to.", "type": "str", "default": "username"}}}, {"name": "profile_igtv", "description": "Fetches the IGTV channel profile information for a given Instagram username using the RapidAPI Instagram Scraper.", "parameters": {"username": {"description": "The Instagram username to fetch the IGTV profile for. Default is 'kimkardashian'.", "type": "str", "default": "kimkardashian"}, "nextmaxid": {"description": "The next max ID for pagination, if any. Default is None.", "type": "str, optional", "default": ""}}}]
Check the availability of the username 'john_doe' on Dev.to and fetch the IGTV profile information for the Instagram username 'jane_doe'.
user
assistant
[{"name": "dev_to", "arguments": {"username": "john_doe"}}, {"name": "profile_igtv", "arguments": {"username": "jane_doe"}}]