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Medical Terminologies MCP

Name: Medical Terminologies MCP
Author: io.github.SidneyBissoli

API key required

Diagnoses, drugs & lab codes: ICD-11, LOINC, RxNorm, MeSH, ATC, CID-10. 33 tools, MIT.

To add Medical Terminologies MCP to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 4 environment variables, listed below.

DevTools

Install

npx -y medical-terminologies-mcp@2.4.0

Environment variables

WHO_CLIENT_IDSet in your MCP config

WHO_CLIENT_SECRETSet in your MCP config

WHO_ICD11_RELEASE_IDSet in your MCP config

LOG_LEVELSet in your MCP config

Install with your client

Terminal

claude mcp add medical-terminologies --env WHO_CLIENT_ID=<YOUR_WHO_CLIENT_ID> --env WHO_CLIENT_SECRET=<YOUR_WHO_CLIENT_SECRET> --env WHO_ICD11_RELEASE_ID=<YOUR_WHO_ICD11_RELEASE_ID> --env LOG_LEVEL=<YOUR_LOG_LEVEL> -- npx -y medical-terminologies-mcp@2.4.0

Run this in a terminal to add the server to Claude Code.

What this does

Medical Terminologies MCP exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.

Requirements

This server needs the following environment variables to be set before it can run:

WHO_CLIENT_ID
WHO_CLIENT_SECRET
WHO_ICD11_RELEASE_ID
LOG_LEVEL

Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).

Frequently asked questions

How do I install Medical Terminologies MCP?

Run the Claude Code command in the install section to add Medical Terminologies MCP to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.

Which clients work with Medical Terminologies MCP?

This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to Medical Terminologies MCP as well.

Does Medical Terminologies MCP need an API key?

Yes. Before it can run, set these environment variables: WHO_CLIENT_ID, WHO_CLIENT_SECRET, WHO_ICD11_RELEASE_ID, LOG_LEVEL. They go in the env block of your MCP config.

Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.

Is this your MCP server?

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