Type Alias ExecuteToolFn 

pub type ExecuteToolFn = unsafe extern "C" fn(*const c_char, *const u8, usize, *mut *mut u8, *mut usize) -> i32;

Function signature for executing a tool by name

Parameters

• tool_name: Null-terminated C string with tool name
• args_json: JSON arguments as byte array
• args_len: Length of args_json
• result_buf: Output pointer for result (allocated by plugin)
• result_len: Output capacity of result buffer

Returns

• 0 on success
• Non-zero error code on failure