Is it real? Read the chain, not the listing
We built a tool that answers three questions about any collection, with the evidence attached. Here is what it checks, why those three, and how to read what it tells you.
Why a marketplace page is not proof
What you see on a marketplace is that marketplace's copy of a collection's data. It is usually right. When it is wrong it is wrong confidently, and it looks identical to being right.
Our own collection proved it. On 15 September a configuration call re-pointed the Builder Bots contract at its pre-reveal placeholder, so the chain served one file for all 333 tokens. OpenSea kept showing the real art from cache for a day, then caught up and showed a video with no traits. Nothing was lost — the art was on Arweave the whole time — but for that day the listing and the chain disagreed, and only one of them was authoritative.
The fix was one owner-only call. The lesson is that nobody outside could see the difference without reading the chain themselves.
The three questions
Is it actually revealed? We read
tokenURI() from the contract at ids spread across the supply. If every token
points at the same file, no per-token traits exist yet — so any rarity rank shown for it
anywhere was made up.
Does the rarity hold up? A marketplace rank is computed from that marketplace's copy of the traits. We put that copy beside the metadata the contract itself points to, token by token, and show you where they differ.
Is the volume real? Recent sales, read for the patterns wash trading leaves — wallets trading back and forth, tokens sold back to an earlier seller, money moving directly between buyer and seller outside the sale, sales far above market with no listing, and volume carried by a handful of buyers.
What we deliberately do not do
We publish no rarity score of our own. Adding one more number to the pile does not help anyone decide; showing you that two existing numbers disagree does.
And unreadable is never reported as clean. If a node does not answer, the tool says it could not look. "We could not check" and "there is nothing wrong" are different sentences, and only one of them is safe to act on.
Reading the verdict
Clear — revealed, traits match the chain, no wash pattern at scale. Check the coverage line: "clean" across seven sales means much less than clean across twelve hundred.
Caution — something needs your eye. Not revealed yet, or sales carrying wash signals. Read the evidence rows before deciding.
Flagged — the traits a marketplace ranks by are not the traits on chain. This is the one that matters.
Use it
It runs on 25 chains and reads them directly. Paste a contract, an OpenSea link, or a collection slug at builderbotsai.com/nft. Every number links to where it came from, so you never have to take our word for any of it — which is the point.
Check a collection
Paste any collection. It reads the contract, not the listing, and shows you the evidence behind every answer.
