x402 Format Checker
IBAN, EU VAT, NIP, REGON, PESEL, email checks. Only $0.001 (0.1 cent) per check via x402 on Base
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Calidad y seguridad
Basado en el análisis automatizado de las definiciones de herramientas y el cumplimiento del protocolo.
Costo de contexto
Este es el número aproximado de tokens que se consumen cada vez que las herramientas del servidor se cargan en el contexto de un modelo. Los recuentos más altos reducen la atención disponible para otras tareas.
Instalar
Instalación con un clic
Agrega esto a tu archivo `claude_desktop_config.json`:
{
"mcpServers": {
"format-checker": {
"url": "https://x402-test.crewofthecaptain.com/mcp"
}
}
}Puntos de conexión remotos
https://x402-test.crewofthecaptain.com/mcpstreamable-httphttps://validate.crewofthecaptain.com/mcpstreamable-httpQué puede hacer
Inventario de herramientas
Herramientas (7)
🟢list_types
List the available checks, price, network and payment details (free). Only $0.001 (0.1 cent) per check, paid via x402 in USDC on Base.
Esquema de entrada
{
"type": "object",
"properties": {},
"$schema": "https://json-schema.org/draft/2020-12/schema"
}🟢validate_iban(value)
IBAN: country length + ISO 13616 mod-97 checksum. Only $0.001 (0.1 cent) per check, paid via x402 in USDC on Base. Returns {type, valid, normalized, reason}; the input is never echoed or stored and personal identifiers are masked.
Esquema de entrada
{
"type": "object",
"properties": {
"value": {
"type": "string",
"minLength": 1,
"maxLength": 512,
"description": "String to check, e.g. PL61109010140000071219812874"
}
},
"required": [
"value"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}🟢validate_eu_vat(value)
EU VAT number: per-country format (offline, no VIES); PL also NIP checksum. Only $0.001 (0.1 cent) per check, paid via x402 in USDC on Base. Returns {type, valid, normalized, reason}; the input is never echoed or stored and personal identifiers are masked.
Esquema de entrada
{
"type": "object",
"properties": {
"value": {
"type": "string",
"minLength": 1,
"maxLength": 512,
"description": "String to check, e.g. PL5260250274"
}
},
"required": [
"value"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}🟢validate_pl_nip(value)
Polish NIP tax id: 10 digits + weighted mod-11 checksum. Only $0.001 (0.1 cent) per check, paid via x402 in USDC on Base. Returns {type, valid, normalized, reason}; the input is never echoed or stored and personal identifiers are masked.
Esquema de entrada
{
"type": "object",
"properties": {
"value": {
"type": "string",
"minLength": 1,
"maxLength": 512,
"description": "String to check, e.g. 5260250274"
}
},
"required": [
"value"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}🟢validate_pl_regon(value)
Polish REGON: 9 or 14 digits + mod-11 checksum. Only $0.001 (0.1 cent) per check, paid via x402 in USDC on Base. Returns {type, valid, normalized, reason}; the input is never echoed or stored and personal identifiers are masked.
Esquema de entrada
{
"type": "object",
"properties": {
"value": {
"type": "string",
"minLength": 1,
"maxLength": 512,
"description": "String to check, e.g. 123456785"
}
},
"required": [
"value"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}🟢validate_pl_pesel(value)
Polish PESEL: checksum + encoded birth date and sex. Only $0.001 (0.1 cent) per check, paid via x402 in USDC on Base. Returns {type, valid, normalized, reason}; the input is never echoed or stored and personal identifiers are masked.
Esquema de entrada
{
"type": "object",
"properties": {
"value": {
"type": "string",
"minLength": 1,
"maxLength": 512,
"description": "String to check, e.g. 44051401359"
}
},
"required": [
"value"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}🟢validate_email(value)
Email address syntax (dot-atom local part, LDH domain; no DNS). Only $0.001 (0.1 cent) per check, paid via x402 in USDC on Base. Returns {type, valid, normalized, reason}; the input is never echoed or stored and personal identifiers are masked.
Esquema de entrada
{
"type": "object",
"properties": {
"value": {
"type": "string",
"minLength": 1,
"maxLength": 512,
"description": "String to check, e.g. [email protected]"
}
},
"required": [
"value"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}Comunidad
Evidencia