About Counterparty Check
Check a payee before your agent pays: sanctions, lookalike domains, payment details, invoice fraud
Configuration
Remote servers need no local install. Pick your client, then copy the config or install in one click.
https://counterpartycheck.com/mcpclaude mcp add --transport http chtwebllc-counterparty-check https://counterpartycheck.com/mcp{"mcpServers":{"chtwebllc-counterparty-check":{"type":"http","url":"https://counterpartycheck.com/mcp"}}}Open in Cursor{"servers":{"chtwebllc-counterparty-check":{"type":"http","url":"https://counterpartycheck.com/mcp"}}}Open in VS Code{"mcpServers":{"chtwebllc-counterparty-check":{"type":"http","url":"https://counterpartycheck.com/mcp"}}}{"mcpServers":{"chtwebllc-counterparty-check":{"serverUrl":"https://counterpartycheck.com/mcp"}}}Run commands in a terminal; paste JSON into the client’s MCP config and restart. Servers that need sign-in will prompt on first connect.
https://counterpartycheck.com/mcpAuth requiredTools
4| Parameter | Type | Required | Description |
|---|---|---|---|
| context | object | No | What the paying agent knows about how this payment came about. Each field sharpens fraud detection. |
| context.payer_domain | string | No | Your own company's domain, to catch internal impersonation |
| context.requester_email | string | No | Who asked for this payment |
| context.previous_payment | object | No | Details used for the last payment to this payee, to detect changes |
| context.previous_payment.iban | string | No | |
| context.previous_payment.crypto_address | string | No | |
| context.previous_payment.routing_number | string | No | |
| context.known_good_domain | string | No | The vendor's domain on file from past dealings |
| context.requested_urgency | boolean | No | The request pressed for fast payment |
| context.bank_details_changed | boolean | No | The payee asked to change where money goes |
| context.change_requested_via | enum | No | email | phone | portal | in_person | chat | other |
| context.first_payment_to_payee | boolean | No | |
| payment | object | No | |
| payment.iban | string | No | |
| payment.amount | number | No | |
| payment.method | enum | No | ach | wire | card | crypto | check | other |
| payment.currency | string | No | |
| payment.swift_bic | string | No | |
| payment.crypto_address | string | No | Receiving wallet address |
| payment.crypto_network | string | No | e.g. base, ethereum, solana, bitcoin, tron |
| payment.routing_number | string | No | US ABA routing number |
| counterparty | object | Yes | |
| counterparty.name | string | Yes | Legal or trading name of the payee |
| counterparty.email | string | No | Email address the payee invoices or writes from |
| counterparty.address | string | No | Payee street address |
| counterparty.country | string | No | ISO 3166-1 alpha-2 code or country name |
| counterparty.website | string | No | Payee website domain or URL |
Details
The maintainer has not added details yet. Check the README in the repository.
Comments
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