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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 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 detailsOpenIBAN MCP — validate an IBAN's checksum + bank code and resolve the
MCP endpoint :https://gateway.pipeworx.io/openiban/mcp · 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 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 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 detailsRead-only U.S. healthcare dataset metadata, schemas, immutable downloads, and checksums.
MCP endpoint :https://clinicmarketiq-public-mcp.rotgar-fizkl.workers.dev/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 details63 tools an LLM can't do alone, in focused subsets: file edits, live data, real checksums.
MCP endpoint :https://mcp.usefulutils.in/mcp · 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 detailsFree Article 50 website scanner, notice builder, and checksum verifier. No key or payment.
MCP endpoint :https://agents.hogarmas.net/mcp/ai-transparency · website · measurements and detailsVerified IBAN, card, ISBN-13 & VIN validation for AI agents — checksums, not guesses.
Package npm :veridigit · website · measurements and detailsSafe PostgreSQL migrations: schema drift, lock analysis, safe rewrites, data checksums. Read-only.
Package npm :pgvouch · website · measurements and detailsSearch ROMs across Internet Archive, ROMsgames, CoolROM, and more. Verify checksums and parse saves.
Package npm :@mrfentmen/rom-mcp · website · measurements and detailsValidate Ethereum addresses, keys, checksums, keccak256 hashes, function selectors, ENS
Package pypi :validation-mcp-server · website · measurements and detailsEvery OpenAlex search stores its request, response and checksums so sources can be checked later.
Package pypi :notanda-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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