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NLM RxNorm (Drug Database) MCP Server

Bring Drug Database
to Claude Desktop

Learn how to connect NLM RxNorm (Drug Database) to Claude Desktop and start using 21 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.

MCP Inspector GDPR Free for Subscribers
Find Related NdcsFind Rxcui By IdFind Rxcui By StringFind Similar Classes By Drug ListGet All PropertiesGet All Related InfoGet All Rxterm InfoGet Approximate MatchGet Class By Rxnorm Drug IdGet Class MembersGet DrugsGet Ndc PropertiesGet Ndc StatusGet NdcsGet Related By RelationshipGet Related By TypeGet Rx Concept PropertiesGet Rx PropertyGet Rxcui History StatusGet Rxterm Display NameGet Spelling Suggestions

Compatible with every major AI agent and IDE

ClaudeClaude
ChatGPTChatGPT
CursorCursor
GeminiGemini
WindsurfWindsurf
VS CodeVS Code
JetBrainsJetBrains
VercelVercel
+ other MCP clients
NLM RxNorm (Drug Database)

What is the NLM RxNorm (Drug Database) MCP Server?

Connect your AI agent to the National Library of Medicine (NLM) RxNorm database. This server provides comprehensive access to standardized drug nomenclature and relationships, allowing for precise identification and analysis of pharmaceutical products.

What you can do

  • Drug Search — Find RxNorm Concept Unique Identifiers (RxCUIs) by name, identifier (NDC, ATC, SNOMEDCT), or approximate matching using find_rxcui_by_string and find_rxcui_by_id.
  • Property Inspection — Retrieve detailed drug properties, including names, synonyms, and attributes categorized by source via get_all_properties.
  • Relationship Mapping — Explore related concepts and term types (TTY) to understand drug hierarchies and ingredients using get_all_related_info.
  • Spelling Correction — Get suggestions for misspelled drug names to ensure accurate queries with get_spelling_suggestions.
  • NDC & Identifier Lookup — Map external codes to RxNorm standards for interoperability.

How it works

  1. Subscribe to this server
  2. Enter your NLM UTS API Key
  3. Start querying drug data from Claude, Cursor, or any MCP-compatible client

Who is this for?

  • Healthcare Developers — Integrate standardized drug data into clinical decision support tools.
  • Medical Researchers — Analyze drug relationships and properties using a trusted, standardized vocabulary.
  • Data Scientists — Map disparate drug datasets to a common RxNorm standard for analysis.

Built-in capabilities (21)

find_related_ndcs

Find NDCs related by concept, drug, or NDC product

find_rxcui_by_id

Search for an identifier and return associated RxCUIs

find_rxcui_by_string

Search for a drug by name from any vocabulary in RxNorm

find_similar_classes_by_drug_list

Identify classes with drug members similar to a provided list of RxCUIs

get_all_properties

Return detailed properties for an RxNorm concept

get_all_related_info

Retrieve all concepts related to a specified RxCUI

get_all_rxterm_info

Return display names, synonyms, strengths, and routes for an RxCUI

get_approximate_match

Find concepts and atom IDs that approximately match a query string

get_class_by_rxnorm_drug_id

Return the classes containing a specific drug

get_class_members

g., ATC, MeSH, VA Class). Return all drug members of a specified class

get_drugs

) related to an ingredient or brand name. Return drug products related to a specified name

get_ndc_properties

Return detailed metadata for an NDC

get_ndc_status

Return the status and history of an NDC

get_ndcs

Return active NDCs associated with an RxNorm concept

get_related_by_relationship

g., tradename_of). Retrieve concepts directly related by a specific relationship type

get_related_by_type

g., IN, SBD, SCD). Retrieve related concepts of specific term types

get_rx_concept_properties

Return basic properties for an RxNorm concept

get_rx_property

Retrieve a specific property value for a concept

get_rxcui_history_status

Return the status, attributes, and history of a concept

get_rxterm_display_name

Return the RxTerms display name for a concept

get_spelling_suggestions

Return strings similar to a specified string for auto-correction

Why Claude Desktop?

Claude Desktop is the definitive way to connect NLM RxNorm (Drug Database) to your AI workflow. Add Vinkius Edge URL to your config, restart the app, and Claude immediately exposes all 21 tools in the chat interface. ask a question, Claude calls the right tool, and you see the answer. Zero code, zero context switching.

  • Claude Desktop is the reference MCP client. it was designed alongside the protocol itself, ensuring the most complete and stable MCP implementation available

  • Zero-code configuration: add a server URL to a JSON file and Claude instantly discovers and exposes all available tools in the chat interface

  • Claude's extended thinking capability lets it reason through multi-step tool usage, chaining multiple API calls to answer complex questions

  • Enterprise-grade security with local config storage. your tokens never leave your machine, and connections go directly to Vinkius Edge network

See it in action

NLM RxNorm (Drug Database) in Claude Desktop

AI AgentVinkius
High Security·Kill Switch·Plug and Play
Why Vinkius

NLM RxNorm (Drug Database) and 4,000+ other MCP servers. One platform. One governance layer.

Teams that connect NLM RxNorm (Drug Database) to Claude Desktop through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.

4,000+MCP Servers ready
<40msCold start
60%Token savings
Raw MCP
Vinkius
Server catalogFind and host yourself4,000+ managed
InfrastructureSelf-hostedSandboxed V8 isolates
Credential handlingPlaintext in configVault + runtime injection
Data loss preventionNoneConfigurable DLP policies
Kill switchNoneGlobal instant shutdown
Financial circuit breakersNonePer-server limits + alerts
Audit trailNoneEd25519 signed logs
SIEM log streamingNoneSplunk, Datadog, Webhook
HoneytokensNoneCanary alerts on leak
Custom domainsNot applicableDNS challenge verified
GDPR complianceManual effortAutomated purge + export
Enterprise Security

Why teams choose Vinkius for NLM RxNorm (Drug Database) in Claude Desktop

The NLM RxNorm (Drug Database) MCP Server runs on Vinkius-managed infrastructure inside AWS — a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts. All 21 tools execute in hardened sandboxes optimized for native MCP execution.

Your AI agents in Claude Desktop only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.

NLM RxNorm (Drug Database)
Fully ManagedVinkius Servers
60%Token savings
High SecurityEnterprise-grade
IAMAccess control
EU AI ActCompliant
DLPData protection
V8 IsolateSandboxed
Ed25519Audit chain
<40msKill switch
Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

The Vinkius Advantage

How Vinkius secures NLM RxNorm (Drug Database) for Claude Desktop

Every tool call from Claude Desktop to the NLM RxNorm (Drug Database) MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.

< 40msCold start
Ed25519Signed audit chain
60%Token savings
FAQ

Frequently asked questions

01

How can I find the RxCUI for a specific drug name?

You can use the find_rxcui_by_string tool. Simply provide the drug name, and the agent will return the associated RxNorm Concept Unique Identifiers.

02

What should I do if I am unsure of the correct spelling of a drug?

Use the get_spelling_suggestions tool. It provides strings similar to your input to help you find the correct standardized drug name.

03

Can I retrieve all properties, such as synonyms and attributes, for a drug?

Yes, the get_all_properties tool allows you to fetch detailed attributes, codes, and names associated with a specific RxCUI.

04

How does Claude Desktop discover MCP tools?

When Claude Desktop starts, it reads the claude_desktop_config.json file and connects to each configured MCP server. It calls the tools/list endpoint to fetch the schema for every available tool, then surfaces them as clickable options in the chat interface via the 🔌 icon.

05

What happens if the MCP server is temporarily unavailable?

Claude Desktop handles disconnections gracefully. if the server is unreachable at startup, the tools simply won't appear. Once the server becomes available again, restarting Claude Desktop will re-establish the connection. There is no timeout penalty or error loop.

06

Can I connect multiple MCP servers simultaneously?

Yes. You can add as many servers as you need in the mcpServers section of the config file. Each server appears as a separate tool provider, and Claude can use tools from multiple servers in a single conversation turn.

07

Is there a limit on the number of tools per server?

Claude Desktop can handle hundreds of tools per server. However, for optimal LLM performance, Vinkius servers are designed to expose focused, well-documented tool sets rather than overwhelming the model with too many options.

08

Does Claude Desktop support Streamable HTTP transport?

Yes. Claude Desktop supports both SSE (Server-Sent Events) and the newer Streamable HTTP transport that Vinkius uses. Simply provide the server URL. Claude auto-negotiates the transport protocol.

09

Server not appearing after restart

Ensure the JSON is valid (no trailing commas). Check the file path: ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\\Claude\\ (Windows).

10

Authentication error

Verify your Vinkius token is correct. Go to cloud.vinkius.com to regenerate it if needed.

11

Tools not showing in chat

Click the 🔌 icon at the bottom of the chat input. If it shows 0 tools, the server may still be connecting. wait a few seconds.

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