Clinical trials, RxNorm drug lookups, FDA drug and device data, PubMed and NHS organisations.
Connect Remote server
claude mcp add --transport http health https://fourzerotwo.si/mcp/v/health --header "X-API-Key: <X_API_KEY>"
{
"mcpServers": {
"health": {
"url": "https://fourzerotwo.si/mcp/v/health",
"headers": {
"X-API-Key": "<X_API_KEY>"
}
}
}
}
{
"servers": {
"health": {
"type": "http",
"url": "https://fourzerotwo.si/mcp/v/health",
"headers": {
"X-API-Key": "<X_API_KEY>"
}
}
}
}
Settings > Connectors > Add custom connector
URL: https://fourzerotwo.si/mcp/v/health
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools 29 found in our last check
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.
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, then $0.002 USDC per call via x402.
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.
clinical-trials__statsHow many registered studies for a condition are recruiting, active, completed, terminated or withdrawn.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.
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.
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 $0.001 USDC per call via x402.
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.
pubmed__searchPubMed ids matching a query (supports PubMed query syntax). A few free samples a day, then $0.002 USDC per call via x402.
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.
pubmed__pmc-searchFree full-text article ids in PubMed Central. A few free samples a day, then $0.002 USDC per call via x402.
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.
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.
rxnorm__approximateRanked RxNorm candidates for a misspelled or partial drug name. Free within the daily allowance, then $0.002 USDC per call via x402.
rxnorm__spellingCorrectly spelled RxNorm drug names close to the input. Free within the daily allowance, then $0.001 USDC per call via x402.
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.
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.
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.
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.
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.
openfda__drug-adverse-eventsFAERS adverse event reports for a drug. Free within the daily allowance, then $0.003 USDC per call via x402.
openfda__drug-recallsDrug recall enforcement reports. Free within the daily allowance, then $0.003 USDC per call via x402.
openfda__drug-ndcNational Drug Code directory entries. Free within the daily allowance, then $0.003 USDC per call via x402.
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.
openfda__device-eventsMAUDE medical device adverse event reports. Free within the daily allowance, then $0.003 USDC per call via x402.
openfda__device-recallsMedical device recalls. Free within the daily allowance, then $0.003 USDC per call via x402.
openfda__device-510kPremarket 510(k) clearances. Free within the daily allowance, then $0.003 USDC per call via x402.
openfda__food-recallsFood recall enforcement reports. Free within the daily allowance, then $0.003 USDC per call via x402.
openfda__food-adverse-eventsCAERS reports for foods, supplements and cosmetics. Free within the daily allowance, then $0.003 USDC per call via x402.
openfda__drug-labelsStructured prescribing information: indications, dosage, warnings, interactions. Free within the daily allowance, then $0.003 USDC per call via x402.
Headers
| Name | Description |
|---|---|
X-API-KeyOptional, secret | Optional free key from https://fourzerotwo.si/free (raises the free allowance from 100 to 500 calls/day) |
Details
| Endpoint | https://fourzerotwo.si/mcp/v/health (Streamable HTTP) |
| First published | 11 Oct 2026 |
| Last updated | 11 Oct 2026 |
| Registry name | si.fourzerotwo/health |
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