There's [debug.hose.cam](https://debug.hose.cam ), but I don't think it may help a ton here.
Is this a new PDS you're writing, or one you setup? I see endpoints like describeRepo doesn't load in pdsls, but does directly. Don't think it's CORS
[pds-dev.lenooby09.tech/xrpc/com.atp...](https://pds-dev.lenooby09.tech/xrpc/com.atproto.repo.describeRepo?repo=did%3Aplc%3A3qdaouunkxspkikex7r2e74q )
[atproto PDS & account debugger](https://debug.hose.cam/ )