The claim that the House Freedom Caucus endorsed Trump invoking the Insurrection Act is mostly true because multiple recent sources report that members of the House Freedom Caucus have publicly supported or called for Trump to use the Insurrection Act, particularly in response to unrest in places like Minnesota, though there is nuance regarding timing and full caucus consensus.
The House Freedom Caucus today endorsed Trump invoking the Insurrection Act.

What is the House Freedom Caucus, and who’s in it?
Source: pewresearch.org
Key Evidence
Courthouse News reports direct endorsement by the House Freedom Caucus for invoking the Insurrection Act in Minnesota despite deaths.
Fox News coverage highlights conservative calls within the caucus for Trump to use all tools including the Act amid Minneapolis unrest.
The New York Times documents Trump's consideration and subsequent backing down from invoking it, showing political complexity around this endorsement.
What the Evidence Shows
The House Freedom Caucus, a conservative group within the House of Representatives, has been documented as endorsing or urging President Donald Trump to invoke the Insurrection Act in specific contexts. According to a Courthouse News article, the Freedom Caucus endorsed invoking the Insurrection Act for Minnesota despite associated deaths, indicating active support for this measure. Fox News also reports that conservatives within or aligned with the Freedom Caucus called on Trump to use "all tools necessary," including the Insurrection Act, to address unrest in Minneapolis. However, The New York Times notes that Trump later backed down from actually invoking the Act amid political pushback, suggesting that while endorsement or calls for invocation existed, actual deployment did not occur. The Guardian and PBS News provide context on what the Insurrection Act entails and how it can be used by a president, reinforcing that such calls are significant but legally constrained.theguardian.comtheguardian.comWhat is the Insurrection Act, and can Trump use it? | US news
nytimes.comnytimes.comTrump Backs Down on Insurrection Act as Democrats Take the Offensive+3 more
Wikipedia and Pew Research provide background on the Freedom Caucus but do not specifically confirm endorsement of invoking the Act on this date; their information is more general. The ACLU explains the civil liberties implications of such a move but confirms that Trump has threatened or considered invoking it.pewresearch.orgpewresearch.orgWhat is the House Freedom Caucus, and who’s in it?
aclu.orgaclu.orgTrump’s Threat to Invoke the Insurrection Act, Explained+1 more
Overall, multiple independent sources confirm that members of the House Freedom Caucus have endorsed or urged Trump to invoke the Insurrection Act recently, especially related to unrest in Minnesota. However, this endorsement may not represent unanimous caucus consensus or a formal official resolution but rather public statements and calls from key members or aligned conservatives.