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Custom tools support comprehensive configuration through the @tool decorator:
- requires_confirmation: Require user confirmation before execution
- requires_user_input: Prompt user for input during execution
- user_input_fields: Specify which fields require user input
- external_execution: Mark tool for external execution
- show_result: Display output to user instead of sending to LLM
- stop_after_tool_call: Terminate agent run after tool execution
- sequential: Enforce sequential execution (no parallelization)
- cache_results: Enable result caching
- cache_dir: Directory for cache storage
- cache_ttl: Cache time-to-live in seconds
- tool_hooks: Before/after execution hooks
- max_retries: Maximum retry attempts
- timeout: Execution timeout in seconds
- strict: Enforce strict JSON schema validation
- docstring_format: Docstring parsing format (‘google’, ‘numpy’, ‘sphinx’, ‘auto’)
