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MCP FHIR Server

by flexpa
OverviewSchemaRelated ServersScoreDiscussions
JavaScript
Remote
MIT License
59

@flexpa/mcp-fhir

WARNING

This is an experimental demo not intended for production use.

This is a TypeScript-based MCP server that connects to a FHIR server. It provides core MCP functionality for interacting with FHIR resources by:

  • Accessing FHIR resources via URIs

  • Providing search capabilities for FHIR resources

Features

Resources

TIP

"Resources" here refers to the MCP definitionnot the FHIR one. MCP Resources are a core primitive in the Model Context Protocol (MCP) that allow servers to expose data and content that can be read by clients and used as context for LLM interactions.

  • List and access FHIR resources via fhir:// URIs

  • Resources are returned in FHIR JSON format

  • Supports all FHIR Resource types available in the FHIR server's CapabilityStatement

Tools

  • search_fhir - Search FHIR resources

    • Takes resourceType and searchParams as parameters

    • Returns FHIR search results

  • read_fhir - Read an individual FHIR resource

    • Takes uri as a parameter

    • Returns the FHIR resource in JSON format

Related MCP server: Myrcael

Configuration

The server requires the following environment variables:

  • FHIR_BASE_URL: The base URL of your FHIR server

  • FHIR_ACCESS_TOKEN: A SMART on FHIR access token for authentication

Development

Install dependencies:

npm install

Build the server:

npm run build

For development with auto-rebuild:

npm run watch

Installation

To use with Claude Desktop, add the server config:

On MacOS: ~/Library/Application Support/Claude/claude_desktop_config.json On Windows: %APPDATA%/Claude/claude_desktop_config.json

{ "mcpServers": { "fhir": { "command": "/path/to/@flexpa/mcp-fhir/build/index.js" }, "env": { "FHIR_BASE_URL": "<FHIR_BASE_URL>", "FHIR_ACCESS_TOKEN": "<FHIR_ACCESS_TOKEN>" } } }

Debugging

Since MCP servers communicate over stdio, debugging can be challenging. We recommend using the MCP Inspector, which is available as a package script:

npm run inspector

The Inspector will provide a URL to access debugging tools in your browser.

This server cannot be installed

-
security - not tested
A
license - permissive license
-
quality - not tested

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Resources

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