MCP serverdev.toolstop/check-digits

Catch a mistyped barcode, ISBN, VIN, NPI or LEI before a bad identifier corrupts a record.

UNRATEDDelistedstreamable-httpcheck-digits.toolstop.dev

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last 18 days ago

Tools

URL

check-digits.toolstop.dev/

streamable-http

Says it is

check-digits 0.2.2

protocol 2025-06-18

In the record since

32 days ago

The tools this server lists, read out of the definition it returned
Tool	Schema
compute_luhn_digit Given digits with the final check digit omitted, return the one that completes them. US healthcare NPIs and securities ISINs use the Luhn formula. Use it to build valid test fixtu	input · output
identify_format Identify a bare number whose type was never recorded. Tests it against every supported format and reports which ones its check digit satisfies. Use it for an unlabeled spreadsheet	input · output
validate_identifier Verify a number when you already know what it is supposed to be. Use this whenever someone gives you a product barcode (GTIN, UPC or EAN), a book number (ISBN-10 or ISBN-13), a veh	input · output

Verify it yourselfnpx teppi-check https://check-digits.toolstop.devcurl -s https://api.teppi.xyz/v1/trust/mcp/mcs_01M1FZ2AGMZSA3Y08629Y19YXH