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FinancialOSINTMCP serverFirst audited Nov 13, 2026

UK Sanctions Screening MCP

Screen names vs the UK Sanctions List (FCDO/OFSI) plus OFAC crypto address checks.The vendor's description, from its MCP Registry listing.

Passed, with 1 warningAudited Nov 13, 2026
  • Warning: 12 of 12 tools do not say whether they can change things.

Nothing failed, but there is something to know or fix. Public audit: we connect as an AI client would, list the tools and check what they say. We do not run them. How we audit

Does it work?
YesConnected in 492 ms.
Sign-up?
None neededIt answered without any account or key.
Can it change things?
Doesn't sayIts tools do not say whether they only read, so treat them as able to change things.
Endpointhttps://uk-sanctions-screen-mcp.donniertf.workers.dev/mcp

Source code Website Streamable HTTP · protocol 2025-03-26 · server version 1.2.0

What we checked, the evidence, and the tools it offers.

What we checked

Security

  • Passed: Connections are encrypted (HTTPS).

  • Passed: No hidden instructions found in tool text.

Safety labels

  • Warning: 12 of 12 tools do not say whether they can change things.

    MCP lets a server label each tool as read-only or destructive, so clients can ask the user before risky calls. Unlabelled tools are treated as able to change things.

    • sanctions_check
    • batch_screen
    • entity_detail
    • regime_list
    • lei_lookup
    • sort_code_check
    • counterparty_check
    • global_batch_screen
    • and 4 more

Tools

  • Passed: 12 tools listed.

  • Passed: Every tool describes its inputs with a valid schema.

Protocol

  • Note: Protocol version 2025-03-26.

  • Passed: The MCP handshake works (Streamable HTTP).

  • Passed: Unknown requests are refused.

Connection

  • Passed: The server responds.

Tools (12)

As the server describes them. The labels are the server's own: it says whether each tool only reads or can change things.

  • sanctions_checkFREE. Screen one person or company name against the UK Sanctions List (FCDO/OFSI). Returns best 3 matches with score.Doesn't say
  • batch_screenPRO. Screen up to 200 names at once (customers, suppliers, counterparties) with adjustable match threshold; audit-ready summary with list version and timestamp.Doesn't say
  • entity_detailPRO. Full record (all aliases, regime, designation date, DOB, nationality) for a UK Sanctions List unique ID.Doesn't say
  • regime_listPRO. Designations by regime (e.g. Russia, Iran) and/or designated since a date.Doesn't say
  • lei_lookupFREE. GLEIF LEI lookup: pass an LEI (20 chars) for the full registration record, or a company name for the top 3 GLEIF matches (legal name, status, jurisdiction, registration number, lapsed flag).Doesn't say
  • sort_code_checkFREE. Validate one UK sort code + account number with the Vocalink/Pay.UK modulus checking rules (MOD10, MOD11, double-alternate and all exceptions). No outside lookup.Doesn't say
  • counterparty_checkPRO ($0.05). Global counterparty check: screen a person or company name against the UK, EU (FSF) and UN consolidated sanctions lists, and resolve it on GLEIF (by LEI or name), also screening the LEI…Doesn't say
  • global_batch_screenPRO ($0.05). Screen up to 100 names against the UK, EU (FSF) and UN sanctions lists in one call; per-name best match with list version, date and freshness.Doesn't say
  • global_entity_detailPRO ($0.05). Full record for an EU FSF reference (e.g. EU.27.28) or UN reference (e.g. CDi.001) or UK unique ID, with list version, date and freshness.Doesn't say
  • sort_code_batch_checkPRO ($0.01). Validate up to 500 UK sort code + account number pairs with the Vocalink/Pay.UK modulus rules (e.g. before a Bacs run or payee import).Doesn't say
  • crypto_address_checkFREE. Screen one crypto wallet address against the OFAC SDN list's 'Digital Currency Address' entries (BTC/XBT, ETH, USDT, TRX, LTC, XMR, SOL and more). EVM 0x addresses match case-insensitively, oth…Doesn't say
  • crypto_address_batch_checkPRO ($0.05). Screen up to 100 crypto wallet addresses against the OFAC SDN 'Digital Currency Address' entries in one call; per-address match with chain, SDN name, UID and programs, plus list date and…Doesn't say

Audit history

  1. Nov 13Warnings

What we sent

Every request in this audit, with the answer and how long it took. We never send credentials and never call a tool.

RequestAnswerTime
initializeHTTP 200492 ms
initializedHTTP 202132 ms
tools/listHTTP 200405 ms
unknown-methodHTTP 200132 ms

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