PESEL/NIP/REGON Validator

Connect Remote server

claude mcp add --transport http pesel-nip-regon-validator https://apished.com/mcp/v1/idvalidate

{
  "mcpServers": {
    "pesel-nip-regon-validator": {
      "url": "https://apished.com/mcp/v1/idvalidate"
    }
  }
}

{
  "servers": {
    "pesel-nip-regon-validator": {
      "type": "http",
      "url": "https://apished.com/mcp/v1/idvalidate"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://apished.com/mcp/v1/idvalidate

Tools 3 found in our last check

• nip_validate

  Validates the checksum of a 10-digit Polish tax identification number (NIP). Checksum uses weights 6 5 7 2 3 4 5 6 7 over the first 9 digits; sum mod 11 must equal the 10th digit. A sum mod 11 of 10 is itself invalid.

• pesel_validate

  Validates the checksum of an 11-digit Polish national identification number (PESEL). Checksum uses weights 1 3 7 9 1 3 7 9 1 3 over the first 10 digits; control digit is (10 - sum mod 10) mod 10. On success also decodes the date of birth and sex embedded in the number; a checksu…

• regon_validate

  Validates the checksum of a 9- or 14-digit Polish business registry number (REGON). 9-digit: weights 8 9 2 3 4 5 6 7 over the first 8 digits, sum mod 11 (10 mapped to 0) must equal the 9th digit. 14-digit: the first 9 digits must themselves be a valid 9-digit REGON, and weights…

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