MedTerms MCP Server

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.

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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

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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

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Installation

npm install medterms-mcp

Or run directly:

npx medterms-mcp

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Claude Desktop / MCP Config

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

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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.

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Pricing (via MCPize)

Tier	Calls/month	Price
Free	100	$0
Pro	10,000	$29/mo
Enterprise	Unlimited + SLA	$149/mo

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