NIH UMLS MCP Server

An MCP server that provides access to the NIH UMLS API and the NIH VSAC FHIR API. This server enables AI models to search medical terminology, look up concept definitions, explore relationships between medical concepts, map codes between different medical coding systems, and work with curated clinical value sets.

→ feordin/nih-umls-mcp · listed on glama

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// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 1 credential: UMLS_API_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

🔐 secretUMLS_API_KEY— export ="your-api-key-here"

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 3 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/feordin-nih-umls-mcp-g7r6ie)](https://m8ven.ai/mcp/feordin-nih-umls-mcp-g7r6ie)

commit: ec0ef2c58d47982ecf5a98d1260a408527f5d3fe

code hash: f6c5201c2f95ed831bfc3ab905c149c506f76ed4679d0cb33796382b97a87584

verified: 6/24/2026, 10:06:38 AM

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