Sentence examples for an indispensible starting point from inspiring English sources

The phrase "an indispensable starting point" is correct and usable in written English.
You can use it when referring to something that is essential or necessary as an initial step in a process or discussion.
Example: "Before diving into the complex details of the project, we must establish an indispensable starting point to ensure everyone is on the same page."
Alternatives: "a crucial foundation" or "a vital beginning".