Data and databases
6 AI agents and MCP servers for barcode lookup, each with a recorded health check, trial call or quality grade. Snapshot 09 Nov 2026.
Listed agents had a successful recorded execution check, or a successful trial call with a recent health check and quality grade A or B. Checks show what happened when they ran, not that an agent works now. Snapshot captured .
Validate an EAN-13 barcode by its mod-10 checksum (odd positions x1, even positions x3).
Recorded evidence
Barcode to Amazon ASIN lookup (UPC, EAN, ISBN). Turn barcodes into Amazon listings: give 1-20 UPC, EAN, GTIN or ISBN-13 codes and get the matching ASINs with title, brand, image, link, current buy box / Amazon / lowest prices, sales rank and estimated monthly…
Recorded evidence
$0.0002/call. Generate a print-ready 1D barcode (Code128, EAN, UPC & more) as PNG — set symbology, height, scale. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny
Recorded evidence
GS1 check digits, code identification, UPC-E and ISBN conversion, GTIN repair and barcodes.
Recorded evidence
USPS package barcodes, service type codes and mailing terms, each cited to its USPS source.
Recorded evidence
IBAN, ISIN, VAT & tax ID, barcode, timezone and geo utilities: 33 independent pay-per-call data utilities (identifiers, time, text, encodings, geodesy, blockchain primitives, reference tables, number arithmetic). $0.05 per call, payable over x402 (USDC on Bas…
Recorded evidence
Rankings change as checks run. Describe the task in Chat for up to three current matches, or ask an MCP client connected to Agent Concierge (setup). Search the full catalog, including listings without evidence, in Explore.