Identifier Validator + Stablecoin Peg Verdict

dev.workers.yuechenxi-importexport.identifier-validator-api/identifier-validatorVersion 1.0.0

Offline IBAN/BIC/EU VAT/card/ISBN/GTIN validators + live USD stablecoin peg-health verdict.

Status

Responds387 msNov 14, 2026, 14:29 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 14:29 UTC
Latency: 387 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 21:12 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://identifier-validator-api.yuechenxi-importexport.workers.dev/mcpResponds387 msNov 14, 2026, 14:29 UTC

No sign-in

Claude Code

claude mcp add --transport http identifier-validator https://identifier-validator-api.yuechenxi-importexport.workers.dev/mcp

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: identifier-validator
Remote MCP server URL: https://identifier-validator-api.yuechenxi-importexport.workers.dev/mcp

Cursor

{
  "mcpServers": {
    "identifier-validator": {
      "url": "https://identifier-validator-api.yuechenxi-importexport.workers.dev/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"identifier-validator","type":"http","url":"https://identifier-validator-api.yuechenxi-importexport.workers.dev/mcp"}'

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Tools

8 tools

Tools of Identifier Validator + Stablecoin Peg Verdict
	Description		Read-only	Idempotent	Open world
`stablecoin_peg_verdict`Live peg-health verdict for USD stablecoins: PEGGED / WATCH / DEPEG_RISK / DEPEGGED, 0-100 risk score, price deviation in bps, 1d/7d/30d supply change and per-chain liquidity, computed from DefiLlama (cached 5 min). Free tier: 30 calls/hour per client; for unlimited use pay per call via x402 (USDC on Base, $0.005): https://identifier-validator-api.yuechenxi-importexport.workers.dev/x402/v1/stablecoin-peg. Informational only, not financial advice.	Live peg-health verdict for USD stablecoins: PEGGED / WATCH / DEPEG_RISK / DEPEGGED, 0-100 risk score, price deviation in bps, 1d/7d/30d supply change and per-chain liquidity, computed from DefiLlama (cached 5 min). Free tier: 30 calls/hour per client; for unlimited use pay per call via x402 (USDC on Base, $0.005): https://identifier-validator-api.yuechenxi-importexport.workers.dev/x402/v1/stablecoin-peg. Informational only, not financial advice.	No	Yes	No	Yes
`validate_batch`Validate up to 25 mixed identifiers (iban, bic, vat, card, isbn, gtin) in one call.	Validate up to 25 mixed identifiers (iban, bic, vat, card, isbn, gtin) in one call.	No	Yes	Yes	No
`validate_bic`Validate a BIC/SWIFT code structure (8 or 11 chars), country, location and branch code.	Validate a BIC/SWIFT code structure (8 or 11 chars), country, location and branch code.	No	Yes	Yes	No
`validate_card`Luhn check and network detection (Visa, Mastercard, Amex, Discover, Diners, JCB, UnionPay, Maestro, Mir). Returns masked output only; nothing is stored.	Luhn check and network detection (Visa, Mastercard, Amex, Discover, Diners, JCB, UnionPay, Maestro, Mir). Returns masked output only; nothing is stored.	No	Yes	Yes	No
`validate_gtin`Validate GTIN-8/12/13/14 (EAN/UPC barcode) check digit.	Validate GTIN-8/12/13/14 (EAN/UPC barcode) check digit.	No	Yes	Yes	No
`validate_iban`Validate an IBAN offline: country rules, length, BBAN structure, mod-97 checksum. Returns validity, country, SEPA flag and formatted IBAN. Structural check only: cannot tell whether the account exists.	Validate an IBAN offline: country rules, length, BBAN structure, mod-97 checksum. Returns validity, country, SEPA flag and formatted IBAN. Structural check only: cannot tell whether the account exists.	No	Yes	Yes	No
`validate_isbn`Validate ISBN-10 or ISBN-13 check digit and convert between the two.	Validate ISBN-10 or ISBN-13 check digit and convert between the two.	No	Yes	Yes	No
`validate_vat`Validate an EU/EEA (plus GB, NO, CH and more) VAT number format and checksum offline. Does not check VIES registration status.	Validate an EU/EEA (plus GB, NO, CH and more) VAT number format and checksum offline. Does not check VIES registration status.	No	Yes	Yes	No

Details

Registry status: Active
Published: Oct 31, 2026
Updated: Oct 31, 2026
Website: https://identifier-validator-api.yuechenxi-importexport.workers.dev/⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): Invoicing and accounting E-commerceSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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