Free BIN, issuer, MCC and decline code lookups for card payments (Visa, Mastercard, Stripe, Adyen).
Connect Remote server
claude mcp add --transport http payment-tools https://tools.mcp.smartretry.com/mcp
{
"mcpServers": {
"payment-tools": {
"url": "https://tools.mcp.smartretry.com/mcp"
}
}
}
{
"servers": {
"payment-tools": {
"type": "http",
"url": "https://tools.mcp.smartretry.com/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://tools.mcp.smartretry.com/mcp
Tools 4 found in our last check
lookup_binBIN / IIN lookup (card BIN checker). Returns the card network (Visa, Mastercard, Amex and others), card type (credit, debit, prepaid), card level, issuing bank and country for the first 6 to 8 digits of a card number. Use it to identify a card or where it was issued. Never pass…
lookup_issuerFind card issuing banks by name, with their country, website and phone number. Accepts partial or misspelled names. Use it to confirm the bank behind a card or to find how to contact an issuer.
lookup_mccMerchant category code (MCC) lookup. Pass a 4-digit MCC for its full definition (category group, high-risk flag, Visa and Mastercard definitions), or describe a business (for example "grocery store" or "software") to find the matching MCC.
lookup_decline_codeExplain why a card payment was declined or failed. Accepts a decline code, response code, refusal reason or error message (for example "51", "05", "do_not_honor" or "insufficient funds") from card networks and processors such as Visa, Mastercard, Stripe and Adyen. Optionally nar…
Details
| Endpoint | https://tools.mcp.smartretry.com/mcp (Streamable HTTP) |
| First published | 3 Nov 2026 |
| Last updated | 3 Nov 2026 |
| Registry name | com.smartretry/payment-tools |
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