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UK Sanctions Screening MCP

io.github.donniertf-hub/uk-sanctions-screen-mcpdonniertf-hubstreamable-httpv1.2.0Scanned

Screen names vs the UK Sanctions List (FCDO/OFSI) plus OFAC crypto address checks.

12 tools: 10 change things and 2 only read.

Tools: 0 delete, 0 irreversible, 10 write, 2 read.
  • Reads private data · 0
  • Reads text others write · 0
  • Can send data out · 0
  • No findings

Tools listed without sign-in. Remote posture

Anlyon alternative

10 of these tools change something. Run those as governed actions.

Declare what an action changes, and Anlyon puts it under a shared limit, binds every approval to the exact request, and grades the outcome. It works on any HTTPS API you can describe as an action.

Anlyon does not run, proxy or govern this MCP server. A tool your own code calls directly is not routed through Anlyon and is not governed by it.

Import an OpenAPI spec →

Tools

Grouped by what each tool does, most consequential first. Open one for its reasons and full description; descriptions are the publisher's own words.

12 tools

Changes things 10Claude Code: ask
  • batch_screenPRO.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    PRO. Screen up to 200 names at once (customers, suppliers, counterparties) with adjustable match threshold; audit-ready summary with list version and timestamp.
  • counterparty_checkPRO ($0.05).No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    PRO ($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 legal name and its direct/ultimate parents. Each match carries list version, date and freshness.
  • crypto_address_batch_checkPRO ($0.05).No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    PRO ($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 source. Screening aid only, not legal or compliance advice; check the official OFAC list.
  • crypto_address_checkFREE.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    FREE. 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, others exactly. Returns match/no match with SDN name, UID, programs, list date and source. Screening aid only, not legal or compliance advice; check the official OFAC list.
  • entity_detailPRO.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    PRO. Full record (all aliases, regime, designation date, DOB, nationality) for a UK Sanctions List unique ID.
  • global_batch_screenPRO ($0.05).No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    PRO ($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.
  • global_entity_detailPRO ($0.05).No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    PRO ($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.
  • sanctions_checkFREE.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    FREE. Screen one person or company name against the UK Sanctions List (FCDO/OFSI). Returns best 3 matches with score.
  • sort_code_batch_checkPRO ($0.01).No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    PRO ($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).
  • sort_code_checkFREE.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    FREE. 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.
Only reads 2Show 2 read-only tools
  • lei_lookupFREE.No findings

    Why it is in this group

    • The name "lei_lookup" says "lookup": a word for reading.
    Description, as the server wrote it
    FREE. 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).
  • regime_listPRO.No findings

    Why it is in this group

    • The name "regime_list" says "list": a word for reading.
    Description, as the server wrote it
    PRO. Designations by regime (e.g. Russia, Iran) and/or designated since a date.

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Exfil surface

Which tools read private data, which read text someone else can write, and which can send data out. One of each is a path a prompt injection can use.

No private-data, untrusted-input, outbound path in this server alone: no tool is tagged private-data or untrusted-input or outbound.

Reads private data0
Reads files, mail, messages, databases, secrets, calendars or repositories.
Reads text others write0
Brings in text someone else can write: web pages, inbound email, messages, issues and comments.
Can send data out0
Can carry data to people or systems: it sends, posts or publishes, or takes a recipient, channel or URL.

Other servers in the same agent add their own tools to these paths. Audit your whole setup to see them together.

Remote posture

What anyone on the internet sees at the remote endpoint: an anonymous initialize and tools/list, and the public OAuth metadata.

Tools listed without sign-in

Looked at Oct 29, 2026, 22:29 UTC, unchanged since Oct 29, 2026. No credentials were sent and no tool was called. What is looked at.

Reachable
yes
HTTP status of an anonymous initialize
200
tools/list served without credentials
yes
Tools that change things, listed without credentials
10
Protocol version
2025-06-18
WWW-Authenticate on 401
not observed
resource_metadata in WWW-Authenticate
not observed
RFC 9728 protected resource metadata
not observed
Authorization servers
not observed
Legacy HTTP+SSE transport
no
Dynamic client registration
not observed
Client ID metadata documents
not observed
  • WarnThe whole server

    The endpoint served tools/list without credentials, and the list has 10 tools that change things (10 write). Whether a call also works without credentials was not tested: tools are never called.

    Matched text

    https://uk-sanctions-screen-mcp.donniertf.workers.dev/mcp: tools/list returned 12 tools to an anonymous client, including sanctions_check (write), batch_screen (write), entity_detail (write), sort_code_check (write), counterparty_check (write) and 5 more

    What this check looks for

Findings

Matches of fixed checks, with the text they matched.

No check matched anything in these tool definitions. That is not a safety guarantee.

History

Changes to its tool definitions and to its remote endpoint, newest first.

No change seen yet. Its tools are rescanned every day, and a remote endpoint is looked at once a week.

Install

Pinned to version 1.2.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http uk-sanctions-screen https://uk-sanctions-screen-mcp.donniertf.workers.dev/mcp
claude mcp add --transport http uk-sanctions-screen https://uk-sanctions-screen-mcp.donniertf.workers.dev/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change or a way out, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__uk-sanctions-screen__regime_list",
      "mcp__uk-sanctions-screen__lei_lookup"
    ],
    "ask": [
      "mcp__uk-sanctions-screen__sanctions_check",
      "mcp__uk-sanctions-screen__batch_screen",
      "mcp__uk-sanctions-screen__entity_detail",
      "mcp__uk-sanctions-screen__sort_code_check",
      "mcp__uk-sanctions-screen__counterparty_check",
      "mcp__uk-sanctions-screen__global_batch_screen",
      "mcp__uk-sanctions-screen__global_entity_detail",
      "mcp__uk-sanctions-screen__sort_code_batch_check",
      "mcp__uk-sanctions-screen__crypto_address_check",
      "mcp__uk-sanctions-screen__crypto_address_batch_check"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. A read that can send data out (it takes a URL, say) asks first too. It assumes the server is installed as uk-sanctions-screen. Review it before you use it.

Pin

Keep the decision: fail CI when the tools change, follow every change, or show a badge.

Pin in CI

Fail a build when the tools you reviewed are not the tools the server serves today.

curl -s "https://anlyon.dev/api/v1/servers/io.github.donniertf-hub/uk-sanctions-screen-mcp/verify?hash=b2210e4eab56d7269411770cb437dbf88d1e90cb9db7d1ba4c0549efb17809ab" | jq -e '.changed == false'

Pinned hash b2210e4eab56, from Oct 29, 2026, 21:18 UTC.

Watch

Get told when its tools change: a new tool, a new description, a new class.

https://anlyon.dev/servers/io.github.donniertf-hub/uk-sanctions-screen-mcp/changes.xml

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Source: MCP Registry · repository. Synced Oct 29, 2026, 22:19 UTC.