macOS / binaries /

spotlighthelper

/System/Library/PrivateFrameworks/DiagnosticExtensions.framework/PlugIns/osx-spotlight.appex/Contents/XPCServices/spotlighthelper
Spotlight Diagnostic Extension Helper

spotlighthelper is part of the Spotlight Diagnostic Extension. It does not support standalone use.

The binary is a part of DiagnosticExtensions private framework.

source: man