You'll notice
Useful3 Signal1
A broken marketplace entry now tells you what failed validation instead of a generic message.
What's wrong with this entry?
Anonymous. No account, no email.
What
A marketplace entry that fails validation is still listed as unsupported, but now carries the validation reason, and an install attempt reports it. Entries that genuinely declare a source type Claude Code does not support keep the old generic message.
Evidence
This plugin's marketplace entry is invalid:
Strings lifted out of the shipped bundle, so the claim above can be checked against them.