Invergordon was a pay mutiny, not an ideological revolt

Was the Invergordon Mutiny created by communist or other outside organizations?

No. It arose from a pay dispute and failed internal representation, though outside groups later tried to associate themselves with it.

Attempts to redefine the Invergordon Mutiny as a communist or third-party project obscure the immediate dispute. Proposed pay cuts met officers who failed in their duty to hear and report sailors' concerns. Other officers eventually investigated, communicated the grievance to government, and helped resolve the crisis. The episode shows how a service's internal representation system can turn an economic dispute into collective disobedience when it breaks down.