In default Ollama setup no authentication parameters are needed, but you've to configure all your pulled models by hand.
As the API provides a models endpoint, it would be a nice feature to assist configuration by checking this endpoint which would allow for prepopulation of the model configuration.
You can configure Ollama in LINQPad using the OpenAI or Anthropic compatibility endpoints, see
https://docs.ollama.com/api/openai-compatibility
https://docs.ollama.com/api/anthropic-compatibility
In default Ollama setup no authentication parameters are needed, but you've to configure all your pulled models by hand.
As the API provides a models endpoint, it would be a nice feature to assist configuration by checking this endpoint which would allow for prepopulation of the model configuration.