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Medical Terminologies MCP

io.github.SidneyBissoli/medical-terminologies-mcp in the official MCP registry. Endpoint https://medical.sidneybissoli.com/mcp. Source: github.com/SidneyBissoli/medical-terminologies-mcp.

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

Connect it

The endpoint answers MCP over HTTP; that is how we read it. Add it to your client:

claude mcp add --transport http medical-terminologies-mcp https://medical.sidneybissoli.com/mcp

{
  "mcpServers": {
    "medical-terminologies-mcp": {
      "url": "https://medical.sidneybissoli.com/mcp"
    }
  }
}

code --add-mcp '{"name":"medical-terminologies-mcp","type":"http","url":"https://medical.sidneybissoli.com/mcp"}'

Some servers ask you to sign in the first time a client connects, or want a key from the people who run them; the server's own docs say which. The free lazaretto-guard plugin reads a server's tools the moment Claude Code adds it and asks you if one of our rules matches.

Tools it advertises

icd11_search icd11_lookup icd11_hierarchy icd11_chapters icd11_postcoordination loinc_search loinc_details loinc_answers loinc_panels rxnorm_search rxnorm_concept rxnorm_ingredients rxnorm_classes rxnorm_ndc mesh_search mesh_descriptor mesh_tree mesh_qualifiers map_icd10_to_icd11 validate_codes find_equivalent harmonize_terms atc_classify atc_lookup atc_members cid10_search cid10_lookup cid10_chapters cid10_chapter terminology_versions terminology_diff search fetch

Run this server? Show the check in your README

The badge reflects the latest weekly read:

[![MCP tool check](https://lazaretto.dev/mcp-registry/io-github-sidneybissoli-medical-terminologies-mcp/badge.svg)](https://lazaretto.dev/mcp-registry/io-github-sidneybissoli-medical-terminologies-mcp)

How this was checked

Lazaretto connects to the endpoint the way any MCP client does, asks the server to introduce itself and list its tools, and reads every name, description, parameter schema and server instruction for tool poisoning: hidden directive blocks, orders to read local secrets, parameters built to carry secrets or the conversation out, orders that redirect another server's tools, and invisible characters. It never calls a tool. What we found across the registry.

To run the same check every time Claude Code adds a server, install the free lazaretto-guard plugin. Browse every server in the index.

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