Sanctions Screening MCP server

What it does

Watchtower exposes compliance and data-integrity tools for AI agents, including sanctions screening against 10 government lists, KYB (Know Your Business), identifier validation, jurisdiction risk assessment, PII/secret detection, and LEI resolution. It is for developers building agents that need to perform regulatory checks and validate data without managing their own list infrastructure.

• Screen a person or company name against OFAC, UN, EU, UK, and other sanctions lists to block high-risk parties during onboarding.
• Validate financial identifiers like IBAN, LEI, BIC, and cryptocurrency addresses by checksum to catch malformed or fraudulent data.
• Scan unstructured text to detect and redact PII (emails, SSNs) and secrets (API keys, private keys) before storing or processing.

Tools this server exposes

Tool	Does
screen_name	Screen a person, company, or vessel against 10 sanctions and exclusion lists covering OFAC, UN, EU, UK, Canada, Australia, France, Switzerland, and US export-co
kyb_check	Look up a company by name and return its official GLEIF legal identity along with its sanctions and exclusions screening in one call.
screen_crypto_address	Check a cryptocurrency address against OFAC's sanctioned-address list.
validate_identifier	Validate and normalize IBAN, LEI, ISIN, BIC, VAT, card numbers, Ethereum addresses, Bitcoin addresses, email, and other identifiers by checksum.
check_jurisdiction	Look up a country or jurisdiction in FATF (black and grey list) and EU high-risk-country AML classifications with dates and sources.
scan_text	Detect and redact PII (emails, SSNs, card numbers, IBANs) and secrets (API keys, private keys, tokens) in text.
resolve_lei	Resolve a Legal Entity Identifier via GLEIF to retrieve legal name, status, and jurisdiction.
search_lei_by_name	Search for a Legal Entity Identifier by company name via GLEIF.
create_watch	Set up monitoring of a name; a webhook fires when that name's sanctions matches change.
get_screening_info	List sanctions list versions, source freshness, entry counts, and current pricing.
create_api_key	Create a free API key with trial credit for authenticated access to paid tools.

Before you enable it

An MCP server runs with whatever access you give it. Start with a development account rather than production, and check which tools the server exposes before you let an agent call them unattended.