RxNorm MCP by usefulapi
Look up drug names, RxCUIs, ingredients and interactions in RxNorm.
Connect it
Settings → Connectors → Add custom connector
URL: https://rxnorm.usefulapi.io/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://rxnorm.usefulapi.io/mcp{
"mcpServers": {
"rxnorm": {
"url": "https://rxnorm.usefulapi.io/mcp"
}
}
}claude mcp add --transport http rxnorm https://rxnorm.usefulapi.io/mcp{
"servers": {
"rxnorm": {
"type": "http",
"url": "https://rxnorm.usefulapi.io/mcp"
}
}
}13 tools, verified live
rxnorm_find_rxcui_by_nameread-onlyFind RxNorm concept IDs (RxCUIs) matching a drug name string. RxNav REST: GET /rxcui.
rxnorm_get_drugsread-onlySearch drug products (all term types) matching a name, grouped by concept type. RxNav REST: GET /drugs.
rxnorm_get_concept_propertiesread-onlyGet the RxNorm properties (name, synonym, tty, language, suppress, umlscui) of a concept. RxNav REST: GET /rxcui/{rxcui}/properties.
rxnorm_get_related_by_typeread-onlyGet concepts related to a concept, restricted to the specified term types. RxNav REST: GET /rxcui/{rxcui}/related.
rxnorm_get_all_relatedread-onlyGet every concept directly or indirectly related to a concept (all term types). RxNav REST: GET /rxcui/{rxcui}/allrelated.
rxnorm_get_ndcsread-onlyGet the NDCs (National Drug Codes) associated with a concept. RxNav REST: GET /rxcui/{rxcui}/ndcs.
rxnorm_get_history_statusread-onlyGet the status, history and attributes of a concept (active, remapped, quantified, etc). RxNav REST: GET /rxcui/{rxcui}/historystatus.
rxnorm_get_propertyread-onlyGet a named property (category, name, value) of a concept, e.g. ATC code or a synonym. RxNav REST: GET /rxcui/{rxcui}/property.
rxnorm_get_spelling_suggestionsread-onlyGet spelling suggestions for a possibly-misspelled drug name. RxNav REST: GET /spellingsuggestions.
rxnorm_get_approximate_matchread-onlyFuzzy match a term against RxNorm names — tolerant of abbreviations, misspellings, and extra words. RxNav REST: GET /approximateTerm.
rxnorm_get_term_typesread-onlyList all RxNorm term types (metadata), e.g. SCD, SBD, IN, BN. RxNav REST: GET /termtypes.
rxnorm_get_drug_classesread-onlyGet the drug classes that contain a drug, by drug name (RxClass API). RxNav REST: GET /rxclass/class/byDrugName.
rxnorm_get_class_membersread-onlyGet the drugs belonging to a drug class (RxClass API). RxNav REST: GET /rxclass/classMembers.
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