a super simple ollama tooling example taken from https://ollama.com/blog/functions-as-tools

ollama-mcp-ex.py

import ollama
def add_two_numbers(a: int, b: int) -> int:
  """
  Add two numbers

  Args:
    a: The first integer number
    b: The second integer number

  Returns:
    int: The sum of the two numbers
  """
  return a + b

response = ollama.chat(
  'llama3.2',
  messages=[{'role': 'user', 'content': 'What is 10 + 10?'}],
  tools=[add_two_numbers], # Actual function reference
)
available_functions = {
  'add_two_numbers': add_two_numbers,
}

for tool in response.message.tool_calls or []:
  function_to_call = available_functions.get(tool.function.name)
  if function_to_call:
    print('Function output:', function_to_call(**tool.function.arguments))
  else:
    print('Function not found:', tool.function.name)