Certus MCP Server

A production-ready Model Context Protocol (MCP) server for real-time, authoritative medical and medication information. Certus integrates with Claude

Local serverstdioPython

What is the Certus MCP server?

If you already use Certus, the certus mcp server is the piece that lets your assistant work with it directly. A production-ready Model Context Protocol (MCP) server for real-time, authoritative medical and medication information. Certus integrates with Claude Desktop and provides live access to FDA drug data, including shortages, recalls, and.

What the server does

  • Comprehensive Drug Profiles — FDA labeling, shortage status, manufacturer, and more
  • Real-Time Shortage Search — Live shortage data from openFDA (1,900+ records)
  • Recall Information — Current and historical drug recalls from FDA enforcement database
  • Label-Only Lookup — Retrieve only FDA-approved drug labeling
  • Shortage Search Guidance — Tips and strategies for finding shortage data
  • Market Trend Analysis — Analyze shortage patterns and risk for a drug

Available tools

The toolset is worth reading before you wire it up, because it tells you what the integration is really for:

  • Installation — The Installation tool exposed by this server
  • Testing — Test RxNorm client: bash python3 drug_features.py Test OpenFDA client: bash python3 openfda_client.py
  • Prerequisites — The Prerequisites tool exposed by this server

Credentials and setup notes

Configuration is passed through the environment: OPENFDA_API_KEY. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.

  • Node.js v18 or higher

Installation

Setup follows the usual MCP pattern — install or clone the server, register it in your client's configuration file, restart the client. The configuration blocks on this page cover the common clients.

Where it fits

This sits in the developer tooling group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. Certus's toolset — Installation, Testing, Prerequisites — is a fair guide to whether it matches your workflow. It is maintained by zesty-genius128; worth a glance at recent repository activity before you build anything load-bearing on it.

This entry was verified against Certus's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.

Worth knowing first

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

Available tools

ToolWhat it does
InstallationThe Installation tool exposed by this server.
TestingTest RxNorm client: bash python3 drug_features.py Test OpenFDA client: bash python3 openfda_client.py
PrerequisitesThe Prerequisites tool exposed by this server.

How to install the Certus MCP server

{
  "mcpServers": {
    "enhanced-medication-info": {
      "command": "python3",
      "args": ["/full/path/to/PY_version/enhanced_mcp_server.py"]
    },
    "drug-features": {
      "command": "python3",
      "args": ["/full/path/to/PY_version/drug_server.py"]
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

  • Node.js v18 or higher
VariableDescriptionRequired
OPENFDA_API_KEYCredential the server authenticates with.Yes

Example prompts to try

  • Use Certus to Installation.
  • Use Certus to Testing.
  • Use Certus to Prerequisites.

Frequently asked questions

It connects Certus to MCP-compatible AI assistants such as Claude and Cursor, exposing 3 tools (Installation, Testing, Prerequisites) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Certus directly.