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Qiniso

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io.github.qinisolabs/qinisov0.5.1

Deterministic fact verification for AI agents — checksums & curated data, not guesses.

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format_currency Read-only

USE THIS to format a money amount the way a reader in a locale expects (symbol position, separators) before showing it in a price, invoice or email. e.g. 1234.5 GBP en-GB → '£1,234.50'.

amountstring, required

The numeric amount.

localestring

BCP-47 locale (e.g. en-GB). Defaults from the currency.

currencystring

ISO 4217 currency code (default GBP).

Qiniso MCP server | mcptry

Tools (56)

format_currency

USE THIS to format a money amount the way a reader in a locale expects (symbol position, separators) before showing it in a price, invoice or email. e.g. 1234.5 GBP en-GB → '£1,234.50'.

read-only

Argument	Type	Description
amount*	string	The numeric amount.
locale	string	BCP-47 locale (e.g. en-GB). Defaults from the currency.
currency	string	ISO 4217 currency code (default GBP).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "amount"
  ],
  "properties": {
    "amount": {
      "type": "string",
      "description": "The numeric amount."
    },
    "locale": {
      "type": "string",
      "description": "BCP-47 locale (e.g. en-GB). Defaults from the currency."
    },
    "currency": {
      "type": "string",
      "description": "ISO 4217 currency code (default GBP)."
    }
  },
  "additionalProperties": false
}

is_holiday

USE THIS to check whether a date is a public/bank holiday when computing business-day deadlines, delivery SLAs or 'next working day'. Supports ~200 countries (ISO code, e.g. GB, US, ZA, DE, IN); GB defaults to England — pass a subdivision ('SCT'/'WLS'/'NIR', or a US state) to narrow.

read-only

Argument	Type	Description
date*	string	The date (YYYY-MM-DD).
subdiv	string	Subdivision code (e.g. UK nation SCT/WLS/NIR, or a US state).
country	string	ISO country code (default GB), e.g. GB, US, ZA, DE.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "date"
  ],
  "properties": {
    "date": {
      "type": "string",
      "description": "The date (YYYY-MM-DD)."
    },
    "subdiv": {
      "type": "string",
      "description": "Subdivision code (e.g. UK nation SCT/WLS/NIR, or a US state)."
    },
    "country": {
      "type": "string",
      "description": "ISO country code (default GB), e.g. GB, US, ZA, DE."
    }
  },
  "additionalProperties": false
}

next_holiday

USE THIS to find the next public/bank holiday on or after a date (default today) — e.g. to find the next working day. Supports ~200 countries (ISO code, e.g. GB, US, ZA, DE); subdivision narrows to a region.

read-only

Argument	Type	Description
after	string	Find the next holiday on/after this date (YYYY-MM-DD); default today.
subdiv	string	Subdivision code (e.g. UK nation SCT/WLS/NIR, or a US state).
country	string	ISO country code (default GB), e.g. GB, US, ZA, DE.

Input schema (JSON)

{
  "type": "object",
  "required": [],
  "properties": {
    "after": {
      "type": "string",
      "description": "Find the next holiday on/after this date (YYYY-MM-DD); default today."
    },
    "subdiv": {
      "type": "string",
      "description": "Subdivision code (e.g. UK nation SCT/WLS/NIR, or a US state)."
    },
    "country": {
      "type": "string",
      "description": "ISO country code (default GB), e.g. GB, US, ZA, DE."
    }
  },
  "additionalProperties": false
}

parse_address

USE THIS to extract structured {country, postcode, city, state} from a free-text UK or US address — when onboarding a user, running a KYC/fraud check, or storing an address — instead of splitting the string yourself. Returns a confidence flag.

read-only

Argument	Type	Description
input*	string	The free-text address.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "input"
  ],
  "properties": {
    "input": {
      "type": "string",
      "description": "The free-text address."
    }
  },
  "additionalProperties": false
}

parse_date

USE THIS to interpret a human-written date into ISO 8601 (YYYY-MM-DD), especially ambiguous numeric dates like 03/04/2025 which mean different things in the UK (day-first) vs US (month-first). Pass locale 'en-GB' or 'en-US'. Returns valid:false for impossible dates.

read-only

Argument	Type	Description
input*	string	The date text to parse.
locale	string	'en-GB' (day-first) or 'en-US' (month-first); default en-GB.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "input"
  ],
  "properties": {
    "input": {
      "type": "string",
      "description": "The date text to parse."
    },
    "locale": {
      "type": "string",
      "description": "'en-GB' (day-first) or 'en-US' (month-first); default en-GB."
    }
  },
  "additionalProperties": false
}

tax_rate

USE THIS before calculating VAT or sales tax on an invoice/quote — never recall the rate from memory, it is DATE-SENSITIVE. GB returns the UK standard VAT rate that applied on the given date (handles historical/temporary changes). US has no national VAT (returns 0); pass a state code for the state base sales-tax rate. Always pass the invoice date for GB.

read-only

Argument	Type	Description
date	string	The invoice date (YYYY-MM-DD); default today.
state	string	US state code (e.g. CA) for sales tax.
country	string	GB or US (default GB).

Input schema (JSON)

{
  "type": "object",
  "required": [],
  "properties": {
    "date": {
      "type": "string",
      "description": "The invoice date (YYYY-MM-DD); default today."
    },
    "state": {
      "type": "string",
      "description": "US state code (e.g. CA) for sales tax."
    },
    "country": {
      "type": "string",
      "description": "GB or US (default GB)."
    }
  },
  "additionalProperties": false
}

validate_aadhaar

USE THIS to verify the format and checksum of an Indian Aadhaar number — never assume 12 digits are valid. Checks the Verhoeff check digit and the leading-digit rule. Validates structure only; does NOT look the number up.

read-only

Argument	Type	Description
aadhaar*	string	The 12-digit Aadhaar number (spaces ignored).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "aadhaar"
  ],
  "properties": {
    "aadhaar": {
      "type": "string",
      "description": "The 12-digit Aadhaar number (spaces ignored)."
    }
  },
  "additionalProperties": false
}

validate_be_nrn

USE THIS to verify a Belgian National Register Number (Rijksregisternummer / Numéro de Registre National) before relying on it. Checks the 11-digit form and the mod-97 check (handling the born-from-2000 rule). Validates structure only.

read-only

Argument	Type	Description
nrn*	string	The 11-digit Belgian National Register Number (punctuation ignored).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "nrn"
  ],
  "properties": {
    "nrn": {
      "type": "string",
      "description": "The 11-digit Belgian National Register Number (punctuation ignored)."
    }
  },
  "additionalProperties": false
}

validate_bg_egn

USE THIS to verify a Bulgarian EGN (Единен граждански номер) before relying on it. Checks the 10-digit form and the weighted mod-11 check digit. Validates structure only.

read-only

Argument	Type	Description
egn*	string	The 10-digit Bulgarian EGN (spaces ignored).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "egn"
  ],
  "properties": {
    "egn": {
      "type": "string",
      "description": "The 10-digit Bulgarian EGN (spaces ignored)."
    }
  },
  "additionalProperties": false
}

validate_bsn

USE THIS to verify a Dutch BSN (burgerservicenummer / citizen service number) before relying on it. Checks the 8–9 digit form and the '11-test' (elfproef) checksum. Validates structure only; does NOT confirm the number is issued.

read-only

Argument	Type	Description
bsn*	string	The 8- or 9-digit BSN (spaces/dots ignored).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "bsn"
  ],
  "properties": {
    "bsn": {
      "type": "string",
      "description": "The 8- or 9-digit BSN (spaces/dots ignored)."
    }
  },
  "additionalProperties": false
}

validate_btc_address

USE THIS to verify a Bitcoin address before sending funds or storing it — do not assume it is valid. Checks Base58Check (P2PKH/P2SH, double-SHA256 checksum) and Bech32/Bech32m SegWit (bc1…, incl. Taproot), and returns the address type and network. A bad checksum means a mistyped address.

read-only

Argument	Type	Description
address*	string	The Bitcoin address (legacy 1…/3… or bech32 bc1…).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "address"
  ],
  "properties": {
    "address": {
      "type": "string",
      "description": "The Bitcoin address (legacy 1…/3… or bech32 bc1…)."
    }
  },
  "additionalProperties": false
}

validate_card

USE THIS to check a payment card number's structure before using it — never assume a card number is valid or guess its brand. Verifies the Luhn checksum, detects the brand (Visa, Mastercard, Amex, Discover, Diners, JCB, UnionPay) from its BIN, and checks the length. Does NOT check whether the card is real, active or has funds.

read-only

Argument	Type	Description
number*	string	The card number; spaces and dashes are ignored.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "number"
  ],
  "properties": {
    "number": {
      "type": "string",
      "description": "The card number; spaces and dashes are ignored."
    }
  },
  "additionalProperties": false
}

validate_ch_ahv

USE THIS to verify a Swiss social-insurance number (AHV/AVS, 756.…) before relying on it. Checks the 13-digit form starting 756 and the EAN-13 check digit. Validates structure only.

read-only

Argument	Type	Description
ahv*	string	The 13-digit Swiss AHV/AVS number (dots ignored).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "ahv"
  ],
  "properties": {
    "ahv": {
      "type": "string",
      "description": "The 13-digit Swiss AHV/AVS number (dots ignored)."
    }
  },
  "additionalProperties": false
}

validate_china_ric

USE THIS to verify a Chinese Resident Identity Card number (居民身份证) before relying on it — do not guess the check character. Checks the 18-character form and the ISO 7064 MOD 11-2 check character (which may be 'X'). Validates structure only; does NOT confirm the number is registered.

read-only

Argument	Type	Description
id*	string	The 18-character Chinese Resident ID (17 digits + check 0-9 or X).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "id"
  ],
  "properties": {
    "id": {
      "type": "string",
      "description": "The 18-character Chinese Resident ID (17 digits + check 0-9 or X)."
    }
  },
  "additionalProperties": false
}

validate_cnpj

USE THIS to verify a Brazilian CNPJ (company registration number) instead of trusting 14 digits. Checks the two mod-11 check digits. Call this for onboarding Brazilian businesses.

read-only

Argument	Type	Description
cnpj*	string	The CNPJ (14 digits; punctuation is ignored).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "cnpj"
  ],
  "properties": {
    "cnpj": {
      "type": "string",
      "description": "The CNPJ (14 digits; punctuation is ignored)."
    }
  },
  "additionalProperties": false
}

validate_codice_fiscale

USE THIS to verify an Italian Codice Fiscale (personal tax code) before relying on it — do not guess the final check letter. Checks the 16-character format and the mod-26 check character. Validates structure only; does NOT confirm the code is registered with the Agenzia delle Entrate.

read-only

Argument	Type	Description
code*	string	The 16-character Codice Fiscale (spaces ignored, case-insensitive).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "code"
  ],
  "properties": {
    "code": {
      "type": "string",
      "description": "The 16-character Codice Fiscale (spaces ignored, case-insensitive)."
    }
  },
  "additionalProperties": false
}

validate_cpf

USE THIS to verify a Brazilian CPF (individual taxpayer ID) before relying on it — never assume 11 digits are valid. Checks the two mod-11 check digits and rejects all-identical sentinels. Call this for KYC/onboarding of Brazilian individuals.

read-only

Argument	Type	Description
cpf*	string	The CPF (11 digits; dots and dash are ignored).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "cpf"
  ],
  "properties": {
    "cpf": {
      "type": "string",
      "description": "The CPF (11 digits; dots and dash are ignored)."
    }
  },
  "additionalProperties": false
}

validate_cusip

USE THIS to verify a CUSIP (North American securities identifier) instead of trusting 9 characters. Checks the CUSIP mod-10 check digit and returns the expected digit when it fails.

read-only

Argument	Type	Description
cusip*	string	The 9-character CUSIP, e.g. 037833100.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "cusip"
  ],
  "properties": {
    "cusip": {
      "type": "string",
      "description": "The 9-character CUSIP, e.g. 037833100."
    }
  },
  "additionalProperties": false
}

validate_cz_rc

USE THIS to verify a Czech or Slovak rodné číslo (birth number) before relying on it. Checks the modern 10-digit form's mod-11 rule (9-digit pre-1954 numbers have no check digit). Validates structure only.

read-only

Argument	Type	Description
rc*	string	The 10-digit rodné číslo (slash/spaces ignored).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "rc"
  ],
  "properties": {
    "rc": {
      "type": "string",
      "description": "The 10-digit rodné číslo (slash/spaces ignored)."
    }
  },
  "additionalProperties": false
}

validate_de_steuer_id

USE THIS to verify a German tax ID (Steuer-Identifikationsnummer / IdNr) before relying on it — never assume 11 digits are valid. Checks the ISO 7064 product-method check digit. Validates structure only; does NOT confirm it is registered.

read-only

Argument	Type	Description
id*	string	The 11-digit German Steuer-IdNr (spaces/slashes ignored).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "id"
  ],
  "properties": {
    "id": {
      "type": "string",
      "description": "The 11-digit German Steuer-IdNr (spaces/slashes ignored)."
    }
  },
  "additionalProperties": false
}

validate_dni

USE THIS to verify a Spanish DNI or NIE before relying on it — do not guess the control letter. Checks the mod-23 control letter and returns whether it is a DNI or NIE.

read-only

Argument	Type	Description
id*	string	The Spanish DNI (8 digits + letter) or NIE (X/Y/Z + 7 digits + letter).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "id"
  ],
  "properties": {
    "id": {
      "type": "string",
      "description": "The Spanish DNI (8 digits + letter) or NIE (X/Y/Z + 7 digits + letter)."
    }
  },
  "additionalProperties": false
}

validate_domain

USE THIS to verify a domain name's structure AND that its TLD is a real IANA-delegated suffix — instead of assuming a domain is legitimate. Catches invalid labels and made-up TLDs (e.g. example.corp). Returns the TLD and whether it is known.

read-only

Argument	Type	Description
domain*	string	The domain name, e.g. 'example.com'.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "domain"
  ],
  "properties": {
    "domain": {
      "type": "string",
      "description": "The domain name, e.g. 'example.com'."
    }
  },
  "additionalProperties": false
}

validate_ee_isikukood

USE THIS to verify an Estonian isikukood (personal identification code) before relying on it. Checks the 11-digit form and the two-stage mod-11 check digit. Validates structure only.

read-only

Argument	Type	Description
isikukood*	string	The 11-digit Estonian isikukood (spaces ignored).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "isikukood"
  ],
  "properties": {
    "isikukood": {
      "type": "string",
      "description": "The 11-digit Estonian isikukood (spaces ignored)."
    }
  },
  "additionalProperties": false
}

validate_email

USE THIS to check an email address's syntax AND that its domain TLD is real, before saving or sending — instead of trusting raw input. Validates the local part and domain (RFC 5321/5322 subset) and flags made-up TLDs. Does NOT check deliverability.

read-only

Argument	Type	Description
email*	string	The email address to validate.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "email"
  ],
  "properties": {
    "email": {
      "type": "string",
      "description": "The email address to validate."
    }
  },
  "additionalProperties": false
}

validate_eth_address

USE THIS to verify an Ethereum address before sending funds or storing it — never trust that a 0x… string is correct. Validates the format and the EIP-55 mixed-case checksum (catches typos), and returns the correctly-checksummed form. A wrong character makes a different address — funds sent there are lost.

read-only

Argument	Type	Description
address*	string	The Ethereum address (0x + 40 hex chars).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "address"
  ],
  "properties": {
    "address": {
      "type": "string",
      "description": "The Ethereum address (0x + 40 hex chars)."
    }
  },
  "additionalProperties": false
}

validate_fodselsnummer

USE THIS to verify a Norwegian fødselsnummer (national identity number) before relying on it. Checks the 11-digit form and both mod-11 control digits. Validates structure only; does NOT confirm the number is registered.

read-only

Argument	Type	Description
fodselsnummer*	string	The 11-digit Norwegian fødselsnummer (spaces ignored).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "fodselsnummer"
  ],
  "properties": {
    "fodselsnummer": {
      "type": "string",
      "description": "The 11-digit Norwegian fødselsnummer (spaces ignored)."
    }
  },
  "additionalProperties": false
}

validate_fr_nir

USE THIS to verify a French social-security number (NIR / numéro de sécurité sociale, INSEE) before relying on it — do not guess the key. Checks the 13-digit body (Corsica 2A/2B handled) and the mod-97 two-digit key. Validates structure only.

read-only

Argument	Type	Description
nir*	string	The French NIR: 13 digits + 2-digit key (spaces ignored).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "nir"
  ],
  "properties": {
    "nir": {
      "type": "string",
      "description": "The French NIR: 13 digits + 2-digit key (spaces ignored)."
    }
  },
  "additionalProperties": false
}

validate_gln

USE THIS to verify a GLN (GS1 Global Location Number — identifies a company/site/location in supply chains and EDI) before relying on it. Checks the 13-digit GS1 mod-10 check digit and returns the GS1 prefix's issuing country. Validates structure only; does not confirm the location is registered.

read-only

Argument	Type	Description
gln*	string	The 13-digit GLN; spaces and dashes are ignored.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "gln"
  ],
  "properties": {
    "gln": {
      "type": "string",
      "description": "The 13-digit GLN; spaces and dashes are ignored."
    }
  },
  "additionalProperties": false
}

validate_gtin

USE THIS to verify a product barcode — GTIN/EAN/UPC — before trusting it, instead of guessing the check digit. Handles EAN-8, UPC-A (12), EAN-13 and GTIN-14, verifies the GS1 mod-10 check digit, and returns the barcode type plus the GS1 prefix's issuing country (e.g. 50 = UK, 690-699 = China, 978 = Bookland/ISBN). Validates structure only — it does NOT confirm the barcode maps to a real, registered product.

read-only

Argument	Type	Description
gtin*	string	The barcode digits (EAN-8/UPC-A/EAN-13/GTIN-14); spaces and hyphens are ignored.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "gtin"
  ],
  "properties": {
    "gtin": {
      "type": "string",
      "description": "The barcode digits (EAN-8/UPC-A/EAN-13/GTIN-14); spaces and hyphens are ignored."
    }
  },
  "additionalProperties": false
}

validate_hetu

USE THIS to verify a Finnish henkilötunnus (HETU / personal identity code) before relying on it — do not guess the check character. Checks the DDMMYY + century sign + individual number + mod-31 check character. Validates structure only.

read-only

Argument	Type	Description
hetu*	string	The Finnish HETU, e.g. 131052-308T (case-insensitive).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "hetu"
  ],
  "properties": {
    "hetu": {
      "type": "string",
      "description": "The Finnish HETU, e.g. 131052-308T (case-insensitive)."
    }
  },
  "additionalProperties": false
}

validate_hr_oib

USE THIS to verify a Croatian OIB (Osobni identifikacijski broj / personal identification number) before relying on it. Checks the 11-digit form and the ISO 7064 MOD 11,10 check digit. Validates structure only.

read-only

Argument	Type	Description
oib*	string	The 11-digit Croatian OIB (spaces ignored).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "oib"
  ],
  "properties": {
    "oib": {
      "type": "string",
      "description": "The 11-digit Croatian OIB (spaces ignored)."
    }
  },
  "additionalProperties": false
}

validate_iban

USE THIS to verify an IBAN (international bank account number) before relying on it — instead of guessing whether it looks right. Checks the country, the country-specific length, and the ISO 7064 mod-97 checksum, and returns the country, check digits and BBAN. Call this whenever a user supplies a bank account for a payment, payout or invoice.

read-only

Argument	Type	Description
iban*	string	The IBAN to validate; spaces are ignored.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "iban"
  ],
  "properties": {
    "iban": {
      "type": "string",
      "description": "The IBAN to validate; spaces are ignored."
    }
  },
  "additionalProperties": false
}

validate_imei

USE THIS to verify a phone/device IMEI before relying on it — never assume a 15-digit string is valid or guess its check digit. Checks the Luhn check digit (and recognises the 16-digit IMEISV form), and returns the TAC (device-model code). Validates the number only — does NOT check whether the device is real, active, or blocklisted/stolen.

read-only

Argument	Type	Description
imei*	string	The 15-digit IMEI (or 16-digit IMEISV); spaces and dashes are ignored.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "imei"
  ],
  "properties": {
    "imei": {
      "type": "string",
      "description": "The 15-digit IMEI (or 16-digit IMEISV); spaces and dashes are ignored."
    }
  },
  "additionalProperties": false
}

validate_ip

USE THIS to verify an IP address before relying on it — do not assume a dotted or colon string is valid. Strictly checks IPv4 (RFC 791, rejects leading zeros / out-of-range octets) and IPv6 (RFC 4291, including '::' compression and embedded IPv4), and returns the version.

read-only

Argument	Type	Description
ip*	string	The IPv4 or IPv6 address to validate.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "ip"
  ],
  "properties": {
    "ip": {
      "type": "string",
      "description": "The IPv4 or IPv6 address to validate."
    }
  },
  "additionalProperties": false
}

validate_isbn

USE THIS to verify an ISBN-13 book identifier instead of trusting that 13 digits are correct. Checks the 978/979 prefix and the mod-10 weighted check digit, and returns the expected check digit when it fails.

read-only

Argument	Type	Description
isbn*	string	The ISBN-13; hyphens and spaces are ignored.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "isbn"
  ],
  "properties": {
    "isbn": {
      "type": "string",
      "description": "The ISBN-13; hyphens and spaces are ignored."
    }
  },
  "additionalProperties": false
}

validate_isbn10

USE THIS to verify an ISBN-10 (older book identifier) instead of trusting 10 characters. Checks the mod-11 check digit (which may be 'X'). For 13-digit ISBNs use validate_isbn.

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Argument	Type	Description
isbn*	string	The ISBN-10 (hyphens/spaces ignored).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "isbn"
  ],
  "properties": {
    "isbn": {
      "type": "string",
      "description": "The ISBN-10 (hyphens/spaces ignored)."
    }
  },
  "additionalProperties": false
}

validate_isin

USE THIS to verify an ISIN (international securities identifier) before relying on it — never assume a 12-character code is valid. Checks the format and the ISO 6166 Luhn check digit, and returns the country code. Call this when a user supplies a security/instrument identifier.

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Argument	Type	Description
isin*	string	The 12-character ISIN, e.g. US0378331005.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "isin"
  ],
  "properties": {
    "isin": {
      "type": "string",
      "description": "The 12-character ISIN, e.g. US0378331005."
    }
  },
  "additionalProperties": false
}

validate_issn

USE THIS to verify an ISSN (serial/journal identifier) before relying on it. Checks the mod-11 check digit (which may be 'X') and returns the expected digit when it fails.

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Argument	Type	Description
issn*	string	The ISSN (8 chars; hyphen ignored).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "issn"
  ],
  "properties": {
    "issn": {
      "type": "string",
      "description": "The ISSN (8 chars; hyphen ignored)."
    }
  },
  "additionalProperties": false
}

validate_lei

USE THIS to verify a Legal Entity Identifier (LEI) before relying on it — do not assume a 20-character code is valid. Checks the ISO 17442 / ISO 7064 MOD 97-10 check digits.

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Argument	Type	Description
lei*	string	The 20-character LEI, e.g. 5493001KJTIIGC8Y1R12.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "lei"
  ],
  "properties": {
    "lei": {
      "type": "string",
      "description": "The 20-character LEI, e.g. 5493001KJTIIGC8Y1R12."
    }
  },
  "additionalProperties": false
}

validate_mx_curp

USE THIS to verify a Mexican CURP (Clave Única de Registro de Población) before relying on it — do not guess the check digit. Checks the 18-character format and the base-37 check digit. Validates structure only.

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Argument	Type	Description
curp*	string	The 18-character CURP (case-insensitive).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "curp"
  ],
  "properties": {
    "curp": {
      "type": "string",
      "description": "The 18-character CURP (case-insensitive)."
    }
  },
  "additionalProperties": false
}

validate_nif_pt

USE THIS to verify a Portuguese NIF (Número de Identificação Fiscal / tax number) before invoicing or onboarding — never assume 9 digits are valid. Checks the mod-11 check digit. For the Spanish tax ID use validate_dni.

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Argument	Type	Description
nif*	string	The 9-digit Portuguese NIF (spaces ignored).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "nif"
  ],
  "properties": {
    "nif": {
      "type": "string",
      "description": "The 9-digit Portuguese NIF (spaces ignored)."
    }
  },
  "additionalProperties": false
}

validate_orcid

USE THIS to verify an ORCID researcher identifier instead of trusting 16 digits. Checks the ISO 7064 MOD 11-2 check digit (which may be 'X'); accepts the bare ID or an orcid.org URL.

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Argument	Type	Description
orcid*	string	The ORCID (e.g. 0000-0002-1825-0097, or an orcid.org URL).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "orcid"
  ],
  "properties": {
    "orcid": {
      "type": "string",
      "description": "The ORCID (e.g. 0000-0002-1825-0097, or an orcid.org URL)."
    }
  },
  "additionalProperties": false
}

validate_personnummer

USE THIS to verify a Swedish personnummer (personal identity number) before relying on it — never assume the digits are valid. Accepts the 10- or 12-digit form and checks the Luhn check digit. Validates structure only; does NOT confirm the number is registered.

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Argument	Type	Description
personnummer*	string	The Swedish personnummer (10 or 12 digits; +/-/spaces ignored).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "personnummer"
  ],
  "properties": {
    "personnummer": {
      "type": "string",
      "description": "The Swedish personnummer (10 or 12 digits; +/-/spaces ignored)."
    }
  },
  "additionalProperties": false
}

validate_pesel

USE THIS to verify a Polish PESEL (national identification number) before relying on it — never assume 11 digits are valid. Checks the weighted mod-10 check digit. Call this for KYC/onboarding of Polish individuals.

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Argument	Type	Description
pesel*	string	The 11-digit PESEL (spaces/dashes ignored).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "pesel"
  ],
  "properties": {
    "pesel": {
      "type": "string",
      "description": "The 11-digit PESEL (spaces/dashes ignored)."
    }
  },
  "additionalProperties": false
}

validate_phone

USE THIS to check a phone number is correctly formatted for its country and normalise it to E.164 before saving, dialling or texting. You MUST pass the ISO country the number ACTUALLY belongs to (e.g. GB, US, ZA) — the result depends on it, so don't reuse an unrelated country field. 'valid' means it conforms to that country's numbering plan (plausible, well-formed), NOT that the line is live or reachable. Returns E.164, national/international formats and line type.

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Argument	Type	Description
number*	string	The phone number to validate.
region	string	ISO country code the number belongs to (default GB).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "number"
  ],
  "properties": {
    "number": {
      "type": "string",
      "description": "The phone number to validate."
    },
    "region": {
      "type": "string",
      "description": "ISO country code the number belongs to (default GB)."
    }
  },
  "additionalProperties": false
}

validate_ro_cnp

USE THIS to verify a Romanian CNP (Cod Numeric Personal) before relying on it — never assume 13 digits are valid. Checks the weighted mod-11 check digit. Validates structure only.

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Argument	Type	Description
cnp*	string	The 13-digit Romanian CNP (spaces ignored).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "cnp"
  ],
  "properties": {
    "cnp": {
      "type": "string",
      "description": "The 13-digit Romanian CNP (spaces ignored)."
    }
  },
  "additionalProperties": false
}

validate_routing

USE THIS to verify a US bank routing / ABA transit number before relying on it for a payment or direct deposit. Checks the 9-digit weighted (3,7,1) mod-10 checksum. Does NOT check whether the bank or account is real.

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Argument	Type	Description
routing*	string	The 9-digit ABA routing number.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "routing"
  ],
  "properties": {
    "routing": {
      "type": "string",
      "description": "The 9-digit ABA routing number."
    }
  },
  "additionalProperties": false
}

validate_sa_id

USE THIS to verify a South African ID number before relying on it. Checks the Luhn check digit and date-of-birth validity, and returns the date of birth, gender and citizenship status encoded in the number.

read-only

Argument	Type	Description
id*	string	The 13-digit South African ID number.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "id"
  ],
  "properties": {
    "id": {
      "type": "string",
      "description": "The 13-digit South African ID number."
    }
  },
  "additionalProperties": false
}

validate_sedol

USE THIS to verify a SEDOL (LSE securities identifier) before relying on it. Checks the no-vowels alphabet and the weighted mod-10 check digit.

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Argument	Type	Description
sedol*	string	The 7-character SEDOL, e.g. B0YBKJ7.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "sedol"
  ],
  "properties": {
    "sedol": {
      "type": "string",
      "description": "The 7-character SEDOL, e.g. B0YBKJ7."
    }
  },
  "additionalProperties": false
}

validate_sscc

USE THIS to verify an SSCC (GS1 Serial Shipping Container Code — identifies a pallet/carton/logistics unit) from a shipping label before relying on it. Checks the 18-digit GS1 mod-10 check digit and returns the extension digit and GS1 prefix country. Validates structure only.

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Argument	Type	Description
sscc*	string	The 18-digit SSCC; spaces and dashes are ignored.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "sscc"
  ],
  "properties": {
    "sscc": {
      "type": "string",
      "description": "The 18-digit SSCC; spaces and dashes are ignored."
    }
  },
  "additionalProperties": false
}

validate_tckn

USE THIS to verify a Turkish T.C. Kimlik No (TCKN / national identity number) before relying on it — never assume 11 digits are valid. Checks both algorithmic check digits and the leading-digit rule. Validates structure only; does NOT confirm the number is registered.

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Argument	Type	Description
tckn*	string	The 11-digit TCKN (spaces ignored).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "tckn"
  ],
  "properties": {
    "tckn": {
      "type": "string",
      "description": "The 11-digit TCKN (spaces ignored)."
    }
  },
  "additionalProperties": false
}

validate_tld

USE THIS to check whether a top-level domain is real before trusting a domain or link — do NOT guess whether a TLD like .zip, .corp, .crypto or .web exists. Checks the suffix against the authoritative IANA root-zone list (kept current). Returns valid:false for TLDs that are not actually delegated.

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Argument	Type	Description
tld*	string	The TLD to check, with or without a leading dot (e.g. 'zip' or '.zip').

Input schema (JSON)

{
  "type": "object",
  "required": [
    "tld"
  ],
  "properties": {
    "tld": {
      "type": "string",
      "description": "The TLD to check, with or without a leading dot (e.g. 'zip' or '.zip')."
    }
  },
  "additionalProperties": false
}

validate_url

USE THIS to verify a URL before fetching or storing it — parses it with the WHATWG URL standard and additionally checks that the host's TLD is a real IANA suffix. Returns protocol, hostname, port, path and whether the TLD is known.

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Argument	Type	Description
url*	string	The absolute URL to validate (e.g. https://example.com/path).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "url"
  ],
  "properties": {
    "url": {
      "type": "string",
      "description": "The absolute URL to validate (e.g. https://example.com/path)."
    }
  },
  "additionalProperties": false
}

validate_uuid

USE THIS to verify a UUID and read its version/variant instead of guessing — e.g. to tell a v4 (random) from a v7 (time-ordered) UUID. Checks the canonical 8-4-4-4-12 form and returns version, variant and whether it is the nil UUID.

read-only

Argument	Type	Description
uuid*	string	The UUID string to validate.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "uuid"
  ],
  "properties": {
    "uuid": {
      "type": "string",
      "description": "The UUID string to validate."
    }
  },
  "additionalProperties": false
}

validate_vat

USE THIS to verify an EU/EFTA VAT registration number's format and checksum before invoicing or onboarding a business — instead of trusting it looks right. Covers all EU members plus UK/EFTA. Pass the full number incl. country prefix (e.g. DE136695976) or the digits plus a country code. NOTE: checks format+checksum only; does NOT confirm the number is live-registered (that is a VIES lookup).

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Argument	Type	Description
vat*	string	The VAT number, ideally with its country prefix (e.g. DE136695976).
country	string	ISO country code, if the number has no prefix (e.g. DE).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "vat"
  ],
  "properties": {
    "vat": {
      "type": "string",
      "description": "The VAT number, ideally with its country prefix (e.g. DE136695976)."
    },
    "country": {
      "type": "string",
      "description": "ISO country code, if the number has no prefix (e.g. DE)."
    }
  },
  "additionalProperties": false
}

validate_vin

USE THIS to verify a vehicle VIN before acting on it — do not assume a 17-character string is a valid VIN. Checks the allowed alphabet (no I/O/Q) and the ISO 3779 transliteration check digit in position 9, and returns the expected check digit when it fails.

read-only

Argument	Type	Description
vin*	string	The 17-character VIN to validate.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "vin"
  ],
  "properties": {
    "vin": {
      "type": "string",
      "description": "The 17-character VIN to validate."
    }
  },
  "additionalProperties": false
}