Checksum Validator

com.apished/checksum-validatorVersion 1.0.0

Validates Luhn, IBAN, ISBN, EAN/UPC, SWIFT/BIC, and EU VAT checksums and formats.

Status

Responds109 msNov 14, 2026, 13:55 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 13:55 UTC
Latency: 109 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: EU hosting detected (detected, not a legal statement)
Registry data as of: Nov 14, 2026, 22:14 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://apished.com/mcp/v1/checksumResponds109 msNov 14, 2026, 13:55 UTC

No sign-in

Claude Code

claude mcp add --transport http checksum-validator https://apished.com/mcp/v1/checksum

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: checksum-validator
Remote MCP server URL: https://apished.com/mcp/v1/checksum

Cursor

{
  "mcpServers": {
    "checksum-validator": {
      "url": "https://apished.com/mcp/v1/checksum"
    }
  }
}

VS Code

code --add-mcp '{"name":"checksum-validator","type":"http","url":"https://apished.com/mcp/v1/checksum"}'

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Tools

6 tools

Tools of Checksum Validator
	Description		Read-only	Idempotent	Open world
`ean_validate`Validates an 8-digit (EAN-8), 12-digit (UPC-A), 13-digit (EAN-13), or 14-digit (GTIN-14) barcode checksum: alternating weights 1 3 applied right-to-left, check digit is (10 - sum mod 10) mod 10.	Validates an 8-digit (EAN-8), 12-digit (UPC-A), 13-digit (EAN-13), or 14-digit (GTIN-14) barcode checksum: alternating weights 1 3 applied right-to-left, check digit is (10 - sum mod 10) mod 10.	Not declared	Not declared	Not declared	Not declared
`iban_validate`Validates an IBAN's length for its issuing country (per the SWIFT IBAN registry) and its mod-97 checksum. Does not decompose the BBAN into a bank code/account number or resolve a BIC.	Validates an IBAN's length for its issuing country (per the SWIFT IBAN registry) and its mod-97 checksum. Does not decompose the BBAN into a bank code/account number or resolve a BIC.	Not declared	Not declared	Not declared	Not declared
`isbn_validate`Validates a 10- or 13-character ISBN. ISBN-10 uses weights 10..1 over 10 characters (last may be X, worth 10), sum mod 11 must be 0. ISBN-13 uses the same GTIN checksum as barcodes.	Validates a 10- or 13-character ISBN. ISBN-10 uses weights 10..1 over 10 characters (last may be X, worth 10), sum mod 11 must be 0. ISBN-13 uses the same GTIN checksum as barcodes.	Not declared	Not declared	Not declared	Not declared
`luhn_validate`Validates a numeric string against the Luhn (mod-10) checksum — payment card numbers, IMEI numbers, and similar identifiers.	Validates a numeric string against the Luhn (mod-10) checksum — payment card numbers, IMEI numbers, and similar identifiers.	Not declared	Not declared	Not declared	Not declared
`swiftbic_validate`Structural format validation only for a SWIFT/BIC code: 8 or 11 characters (4 letters bank code + 2 letters country code + 2 alphanumeric location code + optional 3 alphanumeric branch code). The country code is not cross-checked against ISO 3166-1.	Structural format validation only for a SWIFT/BIC code: 8 or 11 characters (4 letters bank code + 2 letters country code + 2 alphanumeric location code + optional 3 alphanumeric branch code). The country code is not cross-checked against ISO 3166-1.	Not declared	Not declared	Not declared	Not declared
`vateu_validate`Format validation only (no VIES lookup) for an EU VAT number: checks the 2-letter member-state prefix (EL for Greece, XI for Northern Ireland) against that country's digit/letter pattern. A format-valid result does not mean the number is actually registered.	Format validation only (no VIES lookup) for an EU VAT number: checks the 2-letter member-state prefix (EL for Greece, XI for Northern Ireland) against that country's digit/letter pattern. A format-valid result does not mean the number is actually registered.	Not declared	Not declared	Not declared	Not declared

Details

Registry status: Active
Published: Aug 18, 2026
Updated: Aug 18, 2026
Website: https://apished.com/⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): Invoicing and accountingSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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