Fhirfly MCP Server

by fhirfly Your server? Claim it

local only

Fhirfly runs on your own machine — the client starts it, so there is no endpoint to ping. 156 installs a week from npm. Last commit 11 Sep 2026.

Healthcare reference data for AI agents: providers, drugs, diagnoses, labs, codes, claims.

Installs per day peak 45 · avg 23 · +70% w/w

a month agotoday

156

Installs / week

npm · @fhirfly-io/mcp-server

Stars

0 open issues

11 Sep 2026

Last commit

0 releases in 90 days

MIT

License

TypeScript

Nothing serious here today

Today is the operative word: we check Fhirfly every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add mcp-server -- npx -y @fhirfly-io/mcp-server

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mcp-server": {
      "args": [
        "-y",
        "@fhirfly-io/mcp-server"
      ],
      "command": "npx"
    }
  }
}

~/.codex/config.toml

[mcp_servers.mcp-server]
command = "npx"
args = ["-y", "@fhirfly-io/mcp-server"]

.cursor/mcp.json

{
  "mcpServers": {
    "mcp-server": {
      "args": [
        "-y",
        "@fhirfly-io/mcp-server"
      ],
      "command": "npx"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "mcp-server": {
      "args": [
        "-y",
        "@fhirfly-io/mcp-server"
      ],
      "command": "npx"
    }
  }
}

This one needs environment variables set before it will start: FHIRFLY_API_KEY (FHIRfly API key (get one at https://fhirfly.io)). The author declared them in the registry entry; get the values from the project itself.

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Fhirfly — questions

Answers built from our own checks of this server.

Why is there no uptime for Fhirfly?

Fhirfly runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package @fhirfly-io/mcp-server was installed 156 times last week.

How do I connect Fhirfly?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls @fhirfly-io/mcp-server straight from npm; nothing to host, nothing to sign up for.

How many people use Fhirfly?

The npm package @fhirfly-io/mcp-server was installed 156 times in the last week. Week over week that is +70%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Fhirfly open source?

Yes — it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.