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com.watchtower-api/sanctions-screening

Official registry Security

Sanctions screening, KYB, identifier validation, jurisdiction risk & secret scanning for AI agents

Source code Website Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http sanctions-screening 'https://watchtower-api.com/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "sanctions-screening": {
            "type": "http",
            "url": "https://watchtower-api.com/mcp"
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. Watchtower — Compliance & Data-Integrity MCP Server for AI Agents
  2. Connect
  3. Tools
  4. Why Watchtower
  5. Also available as REST + x402

Watchtower — Compliance & Data-Integrity MCP Server for AI Agents

Live hosted MCP endpoint: https://watchtower-api.com/mcp · Docs: https://watchtower-api.com/docs · OpenAPI: https://watchtower-api.com/openapi.json

Watchtower is a deterministic compliance & data-integrity API for AI agents. Point any MCP client at the hosted endpoint and your agent gets tools for sanctions screening, KYB, identifier validation, jurisdiction risk, PII/secret detection, and LEI resolution — pay per call with x402 (USDC on Base, no signup) or a prepaid API key.

This repo is the public home for the hosted Watchtower MCP server. There's nothing to install — connect to the remote endpoint below.

Connect

{
  "mcpServers": {
    "watchtower": { "url": "https://watchtower-api.com/mcp" }
  }
}

Streamable-HTTP MCP, stateless — no auth handshake. Paid tools take an api_key argument (create one for free with the create_api_key tool, which includes trial credit) or you can pay per call via x402.

Tools

ToolWhat it doesPrice
screen_nameScreen a person/company/vessel against 10 sanctions & exclusion lists (OFAC SDN+Consolidated, UN, EU, UK OFSI, Canada, Australia, France, Switzerland, US export-control, US SAM exclusions — ~229k parties, refreshed daily). Deterministic, typo-tolerant, versioned.$0.02
kyb_checkOne-call KYB: company name → its official GLEIF legal identity and its sanctions/exclusions screening.$0.02
screen_crypto_addressCheck a crypto address against OFAC's sanctioned-address list.$0.01
validate_identifierValidate/normalize IBAN, LEI, ISIN, BIC, VAT, card (Luhn), Ethereum & Bitcoin addresses, email, and more — by checksum.$0.005
check_jurisdictionFATF (black + grey) and EU high-risk-country AML classification, dated & sourced.$0.005
scan_textDetect & redact PII and secrets (API keys, private keys, tokens, emails, cards, IBANs, SSNs) in text.$0.005
resolve_lei / search_lei_by_nameResolve or search a Legal Entity Identifier via GLEIF (legal name, status, jurisdiction).$0.01
create_watchMonitor a name; webhook fires when its sanctions match set changes.$0.01/day
get_screening_infoList versions, source freshness, entry counts, pricing.Free

Why Watchtower

  • Deterministic & auditable — same query + same list snapshot ⇒ byte-identical result, stamped with a content-hash and algorithm version, plus point-in-time (as_of) screening for "what did the list say when we onboarded them?"
  • Broad, authoritative coverage — 10 official government lists, ~229,000 parties, refreshed daily.
  • Built for agents — pay-per-call via x402 (USDC on Base, no account) or MCP; no minimums, no seats.

Also available as REST + x402

Everything above is also a REST API. Pay per call in USDC via x402 with no signup:

import { wrapFetchWithPayment, x402Client } from '@x402/fetch';
import { ExactEvmScheme } from '@x402/evm';
const pay = wrapFetchWithPayment(fetch,
  new x402Client().register('eip155:8453', new ExactEvmScheme(signer)));
await pay('https://watchtower-api.com/v1/screen', { method: 'POST',
  headers: { 'content-type': 'application/json' }, body: JSON.stringify({ name: 'Vladimir Putin' }) });

Full reference: https://watchtower-api.com/docs** · machine-readable: **/llms.txt, /openapi.json, /.well-known/x402.json

Informational screening against public sanctions, export-control & exclusion lists; LEI/entity data via GLEIF. Not legal advice.

Frequently asked questions

What is com.watchtower-api/sanctions-screening?

Sanctions screening, KYB, identifier validation, jurisdiction risk & secret scanning for AI agents

How do I install com.watchtower-api/sanctions-screening?

It runs as a remote server. In Claude Code: claude mcp add --transport http sanctions-screening 'https://watchtower-api.com/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does com.watchtower-api/sanctions-screening need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is com.watchtower-api/sanctions-screening open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains com.watchtower-api/sanctions-screening?

It is published by Mazeh18. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.