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medterms-mcp

medterms-mcp

by pubspro

MedTerms MCP Server

MCPize

Medical terminology intelligence for AI agents.

Built on free public NIH APIs. Covers ICD-10-CM, MedDRA, RxNorm, CTCAE v5.0, and cross-terminology mapping — the coding systems used in every regulatory submission, clinical trial, and pharmacovigilance report.


Tools

Tool

What it does

lookup_icd10

Search ICD-10-CM codes by diagnosis name or code

lookup_meddra

MedDRA PT lookup with SOC, hierarchy, and synonyms

lookup_rxnorm

RxNorm drug concept, RxCUI, ATC class, brand/generic mapping

crossmap_icd_meddra

Cross-map between ICD-10 and MedDRA with regulatory context

search_medical_concept

Broad concept search across ICD-10, MedDRA, RxNorm

lookup_ctcae

CTCAE v5.0 grading criteria for oncology adverse events


Related MCP server: Medical Terminologies MCP

Who uses this

  • Medical information agents — classify AEs against MedDRA for FAERS submissions

  • Clinical trial agents — grade adverse events per CTCAE

  • Drug safety agents — map diagnoses between ICD-10 and MedDRA

  • Medical writing agents — look up correct PT for adverse reactions section

  • Regulatory submission agents — validate terminology before ICH E2B submission

  • EHR/EMR integration agents — translate between coding systems


Installation

npm install medterms-mcp

Or run directly:

npx medterms-mcp

Claude Desktop / MCP Config

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

Data Sources

All free, public APIs — no API key required:

  • ICD-10-CM: NIH NLM Clinical Tables API

  • RxNorm: NIH NLM RxNav API

  • MedDRA SOC/hierarchy: MedDRA v26.0 public documentation

  • CTCAE v5.0: NCI Cancer Therapy Evaluation Program

⚠️ MedDRA full term browser requires subscription at meddra.org. This server provides hierarchy navigation and curated PT reference data based on public documentation.


Pricing (via MCPize)

Tier

Calls/month

Price

Free

25

$0

Pro

1,000

$39/mo ($374/yr)

Business

5,000

$89/mo ($854/yr)

Ultra

10,000

$129/mo ($1,238/yr)


Built by a CMPP-certified PhD in Neuroscience with 10+ years in pharma medical communications.

Free tier includes lookup_icd10 and lookup_rxnorm. Paid tiers unlock the Advanced Terminology Intelligence tools: lookup_meddra, lookup_ctcae, crossmap_icd_meddra, and search_medical_concept.

Available Tools

6 tools
crossmap_icd_meddraA

Cross-map between ICD-10 and MedDRA terminology. Provides conceptual mapping guidance for translating diagnoses between coding systems — critical for regulatory submissions, REMS, and pharmacovigilance.

Inputs: term (required), direction.

lookup_ctcaeB

Look up NCI Common Terminology Criteria for Adverse Events (CTCAE) grading criteria for an adverse event. Essential for oncology clinical trial safety reporting.

Inputs: adverse_event (required).

lookup_icd10A

Search ICD-10-CM codes by diagnosis name or look up a specific code. Returns code, full description, and category. Essential for clinical documentation agents.

Inputs: query (required), limit.

lookup_meddraA

Look up a MedDRA Preferred Term (PT), identify its System Organ Class (SOC), hierarchy level, and related terms. Critical for adverse event coding, pharmacovigilance, and regulatory submissions.

Inputs: term (required), include_synonyms.

lookup_rxnormA

Look up a drug's RxNorm concept, RxCUI identifier, ingredient relationships, and drug class. RxNorm is the standard for drug interoperability across EHR systems.

Inputs: drug_name (required).

search_medical_conceptA

Search for a medical concept across terminology systems (SNOMED CT, MeSH, LOINC, NCI Thesaurus) using the NIH UMLS Metathesaurus. Returns concept definitions and cross-system identifiers.

Inputs: term (required), vocabulary.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

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    TDQS

    A3.9/5.0

    Scored across 6 tools

    Disambiguation5/5

    Each tool targets a distinct terminology or function: lookup tools for specific vocabularies (ICD-10, MedDRA, CTCAE, RxNorm), a cross-mapping tool, and a general concept search. No overlap in purpose.

    Naming Consistency5/5

    All tool names follow a consistent verb_noun pattern using snake_case (lookup_*, crossmap_*, search_*). The naming is predictable and clear.

    Tool Count5/5

    6 tools is well-scoped for a medical terminology server, covering major coding systems and mappings without being excessive or insufficient.

    Completeness4/5

    Covers key terminologies (ICD-10, MedDRA, CTCAE, RxNorm) and provides a general search across multiple systems via UMLS. Minor gaps exist (e.g., direct LOINC lookups), but the set supports core pharmacovigilance and oncology workflows.

    Maintenance

    ActivityInactive
    ResponsivenessNo recent community issues

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