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Categories › Software Development › Converters, validators, encoders & small utilities

EAN Check barcode tools

MCP serverVerified domain · eancheck.comRemote● LiveFree to try

GS1 check digits, code identification, UPC-E and ISBN conversion, GTIN repair and barcodes.

Install

Remote server: your requests and data go to eancheck.com. Claude Code: claude mcp add --transport http ean-check-barcode-tools https://eancheck.com/api/mcp · Claude app: Settings → Connectors → Add custom connector.

What it can do

The tools this server listed when we connected to it, in its own words.

  • calculate_check_digits — Add the GS1 check digit to GTIN numbers that are missing it (7, 11, 12 or 13 digits become GTIN-8, UPC-A, EAN-13 or GTIN-14). One number per
  • validate_gtins — Check complete GTIN, EAN, UPC and ITF-14 numbers: says for each one whether the check digit is right and which GTIN length it is.
  • identify_code — Find out what kind of code a string is: GTIN, ISBN, ISSN, SSCC, GLN, GS1-128 data, GS1 Digital Link, VIN, IMEI, ASIN, Amazon LPN or FNSKU, w
  • check_amazon_code — Read the code from an Amazon sticker: tells an LPN (License Plate Number) from an FNSKU, ASIN, FBA box label, Amazon Logistics tracking numb
  • convert_upc_e — Convert a UPC-E (6, 7 or 8 digits) to the full 12-digit UPC-A, or a UPC-A to UPC-E when one of the four GS1 zero-suppression rules fits. Che
  • convert_isbn — Convert an ISBN-10 to ISBN-13 or back, with the check digit recalculated and the hyphenated form. ISBN-13 starting with 979 has no ISBN-10.
  • repair_gtin — Recover a GTIN with unreadable digits: mark each unknown digit with ? or * and get every number that passes the GS1 check digit.
  • parse_gs1 — Split GS1 data (GS1-128, GS1 DataMatrix, Digital Link) into its Application Identifiers, with the name of each AI and any format error.
  • make_barcode — Draw a print-ready barcode and return it as SVG (or EPS) in millimetres, plus a link that opens it in the generator. Types: upc-a, ean-13, e
  • barcode_size — Give the printed size of a barcode type at a GS1 magnification (retail and carton types) or an X-dimension, with the GS1 allowed range.

KitScout test notes

Not tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.

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