Identifier Validator + Stablecoin Peg Verdict

Connect Remote server

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

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

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

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

Tools 8 found in our last check

• 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_bic

  Validate a BIC/SWIFT code structure (8 or 11 chars), country, location and branch code.

• 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_card

  Luhn check and network detection (Visa, Mastercard, Amex, Discover, Diners, JCB, UnionPay, Maestro, Mir). Returns masked output only; nothing is stored.

• validate_isbn

  Validate ISBN-10 or ISBN-13 check digit and convert between the two.

• validate_gtin

  Validate GTIN-8/12/13/14 (EAN/UPC barcode) check digit.

• validate_batch

  Validate up to 25 mixed identifiers (iban, bic, vat, card, isbn, gtin) in one call.

• 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…

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