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Validates Luhn, IBAN, ISBN, EAN/UPC, SWIFT/BIC, and EU VAT checksums and formats.
MCP endpoint :https://apished.com/mcp/v1/checksum · website · measurements and detailsValidates IBAN/ISBN/EAN/Luhn checksums and finds the one wrong digit
MCP endpoint :https://check-digit.gumballtools.com/api/mcp · website · measurements and detailsValidate IBAN bank account numbers (format + mod-97 checksum). Returns whether the IBAN is valid.
MCP endpoint :https://iban-validated.othmen-mohammadi.workers.dev/mcp · website · measurements and detailsValidates Polish PESEL, NIP, and REGON checksums; PESEL also decodes birth date and sex.
MCP endpoint :https://apished.com/mcp/v1/idvalidate · website · measurements and detailsValidate Ethereum addresses, keys, checksums, keccak256 hashes, function selectors, ENS
Package pypi :validation-mcp-server · website · measurements and detailsCommerce validators: live EU VAT (VIES), EORI, email/MX lookups; IBAN/ABA/GTIN checksums; VAT rates.
MCP endpoint :https://mcp.scienceswarm.org/mcp · website · measurements and detailsOpenIBAN MCP — validate an IBAN's checksum + bank code and resolve the
MCP endpoint :https://gateway.pipeworx.io/openiban/mcp · website · measurements and detailsChecksum validation for AI agents: IBAN, ISBN, EAN/GTIN, UUID, ULID. Deterministic, no auth.
MCP endpoint :https://ident-mcp.dokasukadon.workers.dev/mcp · measurements and detailsVerified IBAN, card, ISBN-13 & VIN validation for AI agents — checksums, not guesses.
Package npm :veridigit · website · measurements and detailsValidate Australian ABNs and ACNs by format and checksum over a public remote MCP endpoint.
MCP endpoint :https://au-business-identity.auagentutilities.workers.dev/mcp · website · measurements and detailsLuhn checksum, number discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/luhn-ok/mcp · website · measurements and detailsCompute file and text checksums locally with sha and md5. No network and no key.
Package npm :checksum-mcp · website · measurements and detailsChecksum MCP — CRC-32 & Adler-32.
MCP endpoint :https://gateway.pipeworx.io/crc/mcp · website · measurements and detailsDeterministic fact verification for AI agents — checksums & curated data, not guesses.
MCP endpoint :https://qiniso.qinisolabs.workers.dev/mcp · website · measurements and detailsValidiert E-Rechnungen (ZUGFeRD/Factur-X, XRechnung) gegen EN 16931 mit Korrekturvorschlägen.
MCP endpoint :https://api.zugferd-validator.de/mcp · website · measurements and detailsLatAm Validate MCP — validate Latin-American banking and tax identifiers.
MCP endpoint :https://gateway.pipeworx.io/latam-validate/mcp · website · measurements and detailsJSON validity
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-ok/mcp · website · measurements and detailsRegulatory compliance scanner validating SEC, FTC, and anti-spam rules.
MCP endpoint :https://legal-validator-mcp.vercel.app/api/mcp · measurements and detailsRegex matching, email/URL format validation, and JSON Schema validation.
MCP endpoint :https://apished.com/mcp/v1/validate · website · measurements and detailsNo-signup validation planner MCP for tiny paid offers.
MCP endpoint :https://fivecoins.app.tipdata.es/mcp · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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