GOP senators told Musk about an obscure legislative tool that could bring legal heft to his effort and enshrine the cuts into law.

At a mostly friendly closed-door meeting, the billionaire carrying out President Trump’s bid to shrink the federal bureaucracy fielded queries about how senators could be more involved in the effort.

Elon Musk met with Senate Republicans for nearly two hours in a closed-door lunch meeting Wednesday, seeking to reassure them amid voter angst over the sweeping cuts his Department of Government Efficiency is making.