MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Code & DevOps

UK Sanctions Screening MCP

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

Checks passed
12 / 22

3 failed · 7 not measured

Median response
180 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
12

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Responded

The server completed its last measured handshake. This is an observation, not a guarantee.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
410
Reliability & speedDoes it respond consistently and quickly?
103
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
220
Publisher identityCan the publisher be traced to its source?
402

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 131 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-03-26, serverInfo.name uk-sanctions-screen-mcp.

  • Pass
    Lists tools

    tools/list returned 12 tools.

  • Fail
    Current protocol

    Negotiated 2025-03-26. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 180 ms over 2 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 224 ms over 2 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    2 of 2 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Pass
    Stable tool list

    No tool was removed and no required parameter was added in the last 30 days.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Fail
    Parameters documented

    17 of 30 parameters have a description (57%). The bar is 80%.

  • Fail
    Safety hints

    12 tools set neither readOnlyHint nor destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Not measured
    Website matches publisher

    This namespace is not a reverse domain, so the website comparison does not apply.

  • Pass
    Source repo linked

    A repository URL is on file.

  • Pass
    Repo owner matches

    The GitHub repository owner matches the namespace login.

  • Pass
    Recently updated

    Updated 2026-10-29T21:13:33.255652Z, within 180 days.

  • Not measured
    Open-source licence

    The GitHub licence lookup has not returned an OSI result yet.

Start using UK Sanctions Screening MCP

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

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

Capabilities

Tools 12

batch_screen

PRO. Screen up to 200 names at once (customers, suppliers, counterparties) with adjustable match threshold; audit-ready summary with list version and timestamp.

Discovered
counterparty_check

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.

Discovered
crypto_address_batch_check

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.

Discovered
crypto_address_check

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.

Discovered
entity_detail

PRO. Full record (all aliases, regime, designation date, DOB, nationality) for a UK Sanctions List unique ID.

Discovered
global_batch_screen

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.

Discovered
global_entity_detail

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.

Discovered
lei_lookup

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).

Discovered
regime_list

PRO. Designations by regime (e.g. Russia, Iran) and/or designated since a date.

Discovered
sanctions_check

FREE. Screen one person or company name against the UK Sanctions List (FCDO/OFSI). Returns best 3 matches with score.

Discovered
sort_code_batch_check

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).

Discovered
sort_code_check

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.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected131 ms12
Connected229 ms12