Claude helped write code to read and parse the corpora and to do some fairly basic statistical analysis along the lines of "which Linear A symbols most often occur together" and "if we use known Linear B sound values, which of the other corpora most often have vowel similarities with the Linear A corpus".
You can write that code yourself or you can ask an LLVM to write it for you. The provenience of the code isn't important.
*) He later deleted some of them, I think. What was still there on reddit a few weeks ago had dead links to a web site of his with statistical tables and I believe also code.