Checksum validation for AI agents: IBAN, ISBN, EAN/GTIN, UUID, ULID. Deterministic, no auth.
Free
2 servers across developer tools & repos. The largest is Ident.
Developer Tools & Repos
Checksum validation for AI agents: IBAN, ISBN, EAN/GTIN, UUID, ULID. Deterministic, no auth.
Deterministic time tools for AI agents: timezone conversion, business-day math, cron interpretation.
The rest either hold an API key issued by the publisher or ask for nothing.
Listed without a verification tick. Read the listing before installing.