Since Mayor Adams dropped his reelection bid two weeks ago, his longtime political confidant, Frank Carone , has quietly tried to broker an agreement for Adams to endorse Andrew Cuomo’s independent mayoral campaign, according to sources familiar with the matter.

Carone, who was Adams’ first chief of staff at City Hall and served as his reelection campaign chairman, said shortly after the mayor dropped out of the race on Sept. 28 that he planned to work in some capacity to help get Cuomo elected .

Since then, Carone has tried to help Cuomo by privately urging Adams to publicly endorse the ex-governor’s mayoral run, the three sources told the Daily News, speaking on condition of anonymity.

It’s unclear what role Cuomo has played, if any, in those conversations. It’s also unclear if Ad

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