Create a custom Tool

Describe the problem/error/question

Hi Team,
I was exploring the features of n8n. Kindly help us to understand the feasibility of the below point,

Is it possible to introduce a new custom Tool or node for a particular application (ex. MediAssist, for claims) in Editor to use it directly in my agentic AI workflows ?

In such use cases, what is the recommendations.
Please help

What is the error message (if any)?

Please share your workflow


## Share the output returned by the last node
<!-- If you need help with data transformations, please also share your expected output. -->

## Information on your n8n setup
- **n8n version:**
  latest