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Research & Grey LiteratureMCP serverFirst audited Nov 13, 2026

Health & medicines

Clinical trials, RxNorm drug lookups, FDA drug and device data, PubMed and NHS organisations.The vendor's description, from its MCP Registry listing.

Passed public checksAudited Nov 13, 2026

Every public check ran and passed. 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 436 ms.
Sign-up?
None neededIt answered without any account or key.
Can it change things?
No, read-onlyAll 29 tools say they only read.
Endpointhttps://fourzerotwo.si/mcp/v/health

Website Streamable HTTP · protocol 2025-11-25 · server version 1.1.0

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

  • Passed: Every tool says whether it only reads or can change things.

Tools

  • Passed: 29 tools listed.

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

Protocol

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

  • Passed: Protocol version 2025-11-25 (latest).

  • Passed: Unknown requests are refused.

Connection

  • Passed: The server responds.

Tools (29)

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

  • clinical-trials__searchFind studies by condition, intervention (drug/device), location, sponsor or free text, optionally filtered by status and phase. Free within the daily allowance, then $0.003 USDC per call via x402.Read-only
  • clinical-trials__studyOne study: title, status, phase, conditions, interventions, sponsor, enrolment, dates, eligibility basics, primary outcomes, countries, whether results are posted. Free within the daily allowance, th…Read-only
  • clinical-trials__recruitingStudies recruiting (or about to) for a condition in a city, region or country, with the matching trial sites. Free within the daily allowance, then $0.003 USDC per call via x402.Read-only
  • clinical-trials__statsHow many registered studies for a condition are recruiting, active, completed, terminated or withdrawn. A few free samples a day, then $0.003 USDC per call via x402.Read-only
  • nhs-organisations__organisationName, status, address, phone/website, roles and relationships (commissioner, operator, geography) for one ODS code. Free within the daily allowance, then $0.001 USDC per call via x402.Read-only
  • nhs-organisations__searchFind NHS organisations by name, postcode (or district) and role: gp, pharmacy, trust, trust-site, icb, dental, optical, care-home, hospice, or a role code. Free within the daily allowance, then $0.00…Read-only
  • nhs-organisations__rolesEvery ODS role code with its name, and the friendly aliases search accepts. Free within the daily allowance, then $0.0005 USDC per call via x402.Read-only
  • pubmed__searchPubMed ids matching a query (supports PubMed query syntax). A few free samples a day, then $0.002 USDC per call via x402.Read-only
  • pubmed__summaryTitle, authors, journal, date and DOI for comma-separated PubMed ids. A few free samples a day, then $0.002 USDC per call via x402.Read-only
  • pubmed__pmc-searchFree full-text article ids in PubMed Central. A few free samples a day, then $0.002 USDC per call via x402.Read-only
  • pubmed__clinical-trials-searchPubMed citations that are clinical trial reports for a query. A few free samples a day, then $0.002 USDC per call via x402.Read-only
  • rxnorm__rxcuiExact (normalised) match of a drug name to its RxNorm concept id(s). Free within the daily allowance, then $0.001 USDC per call via x402.Read-only
  • rxnorm__approximateRanked RxNorm candidates for a misspelled or partial drug name. Free within the daily allowance, then $0.002 USDC per call via x402.Read-only
  • rxnorm__spellingCorrectly spelled RxNorm drug names close to the input. Free within the daily allowance, then $0.001 USDC per call via x402.Read-only
  • rxnorm__drugsEvery clinical drug, branded drug and pack for an ingredient or brand name, grouped by RxNorm term type. Free within the daily allowance, then $0.002 USDC per call via x402.Read-only
  • rxnorm__relatedIngredients, brand names, dose forms and clinical/branded drugs related to an RxCUI. Free within the daily allowance, then $0.002 USDC per call via x402.Read-only
  • rxnorm__propertiesName, synonym, term type and active/obsolete status of an RxCUI. Free within the daily allowance, then $0.001 USDC per call via x402.Read-only
  • rxnorm__ndcNational Drug Code (10 or 11 digits) to its RxNorm concept and status. Free within the daily allowance, then $0.001 USDC per call via x402.Read-only
  • rxnorm__ndcsActive National Drug Codes for an RxNorm clinical or branded drug. Free within the daily allowance, then $0.001 USDC per call via x402.Read-only
  • openfda__drug-adverse-eventsFAERS adverse event reports for a drug. Free within the daily allowance, then $0.003 USDC per call via x402.Read-only
  • openfda__drug-recallsDrug recall enforcement reports. Free within the daily allowance, then $0.003 USDC per call via x402.Read-only
  • openfda__drug-ndcNational Drug Code directory entries. Free within the daily allowance, then $0.003 USDC per call via x402.Read-only
  • openfda__drugs-fdaFDA approval history (Drugs@FDA) for an application or brand. Free within the daily allowance, then $0.003 USDC per call via x402.Read-only
  • openfda__device-eventsMAUDE medical device adverse event reports. Free within the daily allowance, then $0.003 USDC per call via x402.Read-only
  • openfda__device-recallsMedical device recalls. Free within the daily allowance, then $0.003 USDC per call via x402.Read-only
  • openfda__device-510kPremarket 510(k) clearances. Free within the daily allowance, then $0.003 USDC per call via x402.Read-only
  • openfda__food-recallsFood recall enforcement reports. Free within the daily allowance, then $0.003 USDC per call via x402.Read-only
  • openfda__food-adverse-eventsCAERS reports for foods, supplements and cosmetics. Free within the daily allowance, then $0.003 USDC per call via x402.Read-only
  • openfda__drug-labelsStructured prescribing information: indications, dosage, warnings, interactions. Free within the daily allowance, then $0.003 USDC per call via x402.Read-only

Audit history

  1. Nov 13Passed

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 200436 ms
initializedHTTP 202201 ms
tools/listHTTP 200215 ms
resources/listHTTP 200172 ms
prompts/listHTTP 200209 ms
unknown-methodHTTP 200196 ms

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