{"serverId":"mcp-registry/com.apished/checksum-validator","tools":[{"name":"ean_validate","fixed":{"name":"ean_validate","description":"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.","inputSchema":{"type":"object","required":["value"],"properties":{"value":{"type":"string","description":"identifier or value to check"}},"additionalProperties":false},"annotations":{"readOnlyHint":true}},"changes":[{"kind":"annotations","detail":"Added readOnlyHint: true (inferred from the name).","verify":true}],"tokensBefore":112,"tokensAfter":112},{"name":"iban_validate","fixed":{"name":"iban_validate","description":"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.","inputSchema":{"type":"object","required":["value"],"properties":{"value":{"type":"string","description":"identifier or value to check"}},"additionalProperties":false},"annotations":{"readOnlyHint":true}},"changes":[{"kind":"annotations","detail":"Added readOnlyHint: true (inferred from the name).","verify":true}],"tokensBefore":109,"tokensAfter":109},{"name":"isbn_validate","fixed":{"name":"isbn_validate","description":"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.","inputSchema":{"type":"object","required":["value"],"properties":{"value":{"type":"string","description":"identifier or value to check"}},"additionalProperties":false},"annotations":{"readOnlyHint":true}},"changes":[{"kind":"annotations","detail":"Added readOnlyHint: true (inferred from the name).","verify":true}],"tokensBefore":109,"tokensAfter":109},{"name":"luhn_validate","fixed":{"name":"luhn_validate","description":"Validates a numeric string against the Luhn (mod-10) checksum — payment card numbers, IMEI numbers, and similar identifiers.","inputSchema":{"type":"object","required":["value"],"properties":{"value":{"type":"string","description":"identifier or value to check"}},"additionalProperties":false},"annotations":{"readOnlyHint":true}},"changes":[{"kind":"annotations","detail":"Added readOnlyHint: true (inferred from the name).","verify":true}],"tokensBefore":93,"tokensAfter":93},{"name":"swiftbic_validate","fixed":{"name":"swiftbic_validate","description":"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.","inputSchema":{"type":"object","required":["value"],"properties":{"value":{"type":"string","description":"identifier or value to check"}},"additionalProperties":false},"annotations":{"readOnlyHint":true}},"changes":[{"kind":"annotations","detail":"Added readOnlyHint: true (inferred from the name).","verify":true}],"tokensBefore":129,"tokensAfter":129},{"name":"vateu_validate","fixed":{"name":"vateu_validate","description":"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.","inputSchema":{"type":"object","required":["value"],"properties":{"value":{"type":"string","description":"identifier or value to check"}},"additionalProperties":false},"annotations":{"readOnlyHint":true}},"changes":[{"kind":"annotations","detail":"Added readOnlyHint: true (inferred from the name).","verify":true}],"tokensBefore":130,"tokensAfter":130}],"toolsChanged":6,"tokensSaved":0,"todo":[],"note":"Deterministic fixes. Changes marked verify need a human look before shipping (renames, inferred annotations, inferred types, removed text). Parameter descriptions in `todo` need to be written by someone who knows the API."}