Validator suite
Validate common identifiers in one call: ISBN (book), IBAN (bank account), and credit card number (Luhn check).
When to use this pack
An agent is processing form inputs or imported data and needs to validate multiple identifier formats at once — catches typos and formatting errors before they reach a database or payment processor.
Tools in this pack
-
ISBN validate
$0.001
POST /api/isbn-validate
Validate an ISBN-10 or ISBN-13 checksum (hyphens/spaces ignored) and report which format it is.
-
IBAN validate
$0.001
POST /api/iban-validate
Validate an IBAN: country code, length, and the ISO 13616 mod-97 checksum.
-
Card number validate
$0.001
POST /api/card-validate
Validate a payment card number (Luhn checksum) and detect the brand. Numbers are not stored or logged.
Workflow
- Validate a known-good ISBN with isbn-validate — checks format and check digit for ISBN-10 and ISBN-13.
- Validate the IBAN with iban-validate — checks country code, length, and IBAN check digits.
- Validate the card number with card-validate — Luhn algorithm check plus card network detection (Visa, Mastercard, etc.).
Run it in Claude
claude mcp add agent402 -s user -- npx -y agent402-mcp@latest
Then paste this prompt into Claude:
Validate identifiers using Agent402: (1) isbn-validate {isbn:"978-3-16-148410-0"} — check ISBN. (2) iban-validate {iban:"DE89370400440532013000"} — check IBAN. (3) card-validate {number:"4242424242424242"} — Luhn check. Return {isbn, iban, card} with valid/invalid + details.← All skill packs