Fetch AlphaFold structure prediction metadata (PDB/CIF/PAE download URLs, pLDDT scores) by UniProt accession (e.g. "P00533"); equivalent to `prediction` but takes uniprot_id explicitly.
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Pay-per-call AI tools over x402: web research, summarization, structured extraction (USDC, Base).
Check if a collectible's price is FAIR/OVER/SCALPED vs the current retail median across shops.