rxnav mcp for Claude Code

io.github.mrfentmen/rxnav-mcp

Drug names, identifiers, and properties from NIH RxNav. No key required.

client:Claude Code transport:stdio runtime:npm

Install rxnav mcp in Claude Code

run in your project directory

claude mcp add rxnav-mcp -- npx -y rxnav-mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs