getDrugClassesByRxcui

Free

Get drug classifications (ATC, VA, MeSH, MedRT) for one or more RxNorm RxCUIs. Resolves RxCUIs (e.g. the rxcuis from openfda-mcp) to ATC codes for cross-MCP drug joins.

Try it

Open in playground

kirha tools run rxnorm_getDrugClassesByRxcui \
  --input '{
    "rxcuis": [
      "<rxcuis>"
    ]
  }'

Uses the key saved by kirha auth login.

rxcuisstring[], required, 1 to 20 items
relaSourcestring
One of atc, atc_product, va, medrt, mesh, dailymed, fda_spl, snomed_ct