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Validates IBAN/ISBN/EAN/Luhn checksums and finds the one wrong digit
MCP endpoint :https://check-digit.gumballtools.com/api/mcp · website · measurements and detailsOffline check-digit validation for IBAN, BIC, EU VAT, GTIN/EAN/UPC and ISBN. Format check only.
MCP endpoint :https://checkdigit.mike-tusa.workers.dev/mcp · website · measurements and detailsValidates Luhn, IBAN, ISBN, EAN/UPC, SWIFT/BIC, and EU VAT checksums and formats.
MCP endpoint :https://apished.com/mcp/v1/checksum · 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 detailsOpenIBAN MCP — validate an IBAN's checksum + bank code and resolve the
MCP endpoint :https://gateway.pipeworx.io/openiban/mcp · website · measurements and detailsA real US mobile number that receives verification codes, by text or transcribed call.
MCP endpoint :https://cleat.so/api/mcp · website · measurements and detailsVerify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.
MCP endpoint :https://app.emaillistvalidation.com/mcp · 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 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 detailsBranch-scoped runbooks, remote checkpoints, and auditable verification receipts.
Package npm :code-relay-mcp · website · measurements and detailsValidate phone numbers worldwide: carrier, line type, country, E.164. x402.
MCP endpoint :https://phone-validation.api.klymax402.com/mcp · website · measurements and detailsSMS verification codes for Georgia (+995), sent and checked. Try test codes with a free test key.
MCP endpoint :https://api.n0t1fy.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 detailsProves AI-generated Python does what you asked: lint, types, security, sandbox run, exact fixes.
MCP endpoint :https://api.statemind.ai/mcp · website · measurements and detailsEmail validation and SMTP verification for Claude Desktop, Cursor, and Claude Code.
Package npm :@bounceprotect/mcp · website · measurements and detailsBulk phone validation for an Apify dataset, CSV/Excel/JSON file or Google Sheet
MCP endpoint :https://mcp.apify.com/?tools=nerolabs/phone-number-validator · website · measurements and detailsPhone numbers for AI agents: order a private number, read the SMS verification code, hand it back.
Package npm :sv-number-mcp · website · measurements and detailsLead validation over MCP: KVK/KBO register, EU VAT, sanctions and email checks with sources.
MCP endpoint :https://api.limitguard.ai/mcp · website · measurements and detailsGive your AI agent a real phone number for SMS verification codes.
Package npm :botcall-mcp · website · 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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