No, not now. Our Plans are to integrate something similar to sanitizer into cryptomator, see Built-in Diagnostic Tool (formerly known as Sanitizer) · Issue #1224 · cryptomator/cryptomator · GitHub
But you don’t need the integrity check, if you have created and stored the vault locally. Most of the problems are due to incomplete sync.
A partial check of the vault on another system can be done be comparing the existence and size of encrypted files and the general vault structure. But you won’t find broken directory or symlinks or broken shorten file names.