Rxnav MCP Server: Install & Setup

Install Rxnav in Claude Code

Claude Code

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

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "rxnav": {
      "command": "npx",
      "args": [
        "-y",
        "rxnav-mcp"
      ]
    }
  }
}

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

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

Run: claude mcp add rxnav -- npx -y rxnav-mcp

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