Attributes

Custom tools support comprehensive configuration through the @tool decorator:

Attribute	Type	Default	Description
`requires_confirmation`	bool	`False`	Require user confirmation before execution
`requires_user_input`	bool	`False`	Prompt user for input during execution
`user_input_fields`	List[str] \| None	`None`	Specify which fields require user input
`external_execution`	bool	`False`	Mark tool for external execution
`show_result`	bool	`False`	Display output to user instead of sending to LLM
`stop_after_tool_call`	bool	`False`	Terminate agent run after tool execution
`sequential`	bool	`False`	Enforce sequential execution (no parallelization)
`cache_results`	bool	`False`	Enable result caching
`cache_dir`	str \| None	`None`	Directory for cache storage
`cache_ttl`	int \| None	`None`	Cache time-to-live in seconds
`tool_hooks`	Dict \| None	`None`	Before/after execution hooks
`max_retries`	int	`0`	Maximum retry attempts
`timeout`	int \| None	`None`	Execution timeout in seconds
`strict`	bool	`False`	Enforce strict JSON schema validation
`docstring_format`	str	`"auto"`	Docstring parsing format: ‘google’, ‘numpy’, ‘sphinx’, ‘auto’

​Attributes