How to Use the Epic Fhir MCP in Mastra AI

Build reliable clinical workflows with Mastra AI. Automate patient data prep from Epic, with built-in retries and error handling.

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Connect Epic Fhir MCP to Mastra AI

Create your Vinkius account to connect Epic Fhir to Mastra AI and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Epic Fhir with Mastra AI

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Automate Pre-Appointment Chart Prep

This server gives your Mastra AI agent the tools to run pre-visit data collection. Before a patient's appointment, your workflow can automatically trigger `list_conditions`, `list_medications`, and `list_allergies` to assemble a current summary. Mastra's workflow engine means you can build in logic. For example, if `list_diagnostic_reports` returns a new critical lab result, the agent can flag the chart for immediate review. It's automation you can actually trust.

Create Conditional Clinical Workflows

The `list_observations` tool lets you pull specific lab values or vital signs. Your Mastra AI agent can use this data to make decisions. If a patient's latest A1c is above a certain threshold, the agent could trigger a follow-up task. You can chain these actions together. First, `search_patients` to find the right record. Then, check recent results with `list_observations`. Finally, based on the findings, take another action. This MCP server gives your agent the read-only tools to drive that logic.

Build Resilient Integrations with this MCP Server

Connecting to healthcare APIs can be flaky. Mastra AI's automatic retries with exponential backoff are perfect for this. If a call to `list_encounters` fails, the agent will just try again without you writing any retry logic. You can also set up human-in-the-loop approvals. The agent can use `get_patient` and `list_appointments` to draft a summary, then pause and wait for a clinician to approve it before proceeding.

Setup guide

Set up Epic Fhir MCP in Mastra AI

Prerequisites

Node.js 18+ and a TypeScript project
@mastra/mcp + @mastra/core packages
Active Vinkius subscription with a valid endpoint token

1

Install dependencies
Run npm install @mastra/mcp @mastra/core plus your preferred model provider (e.g. @ai-sdk/openai).
2

Configure the MCPClient
Create an MCPClient with your Vinkius endpoint as a URL object. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Discover and inject tools
Call mcpClient.listTools() and spread the result into your agent's tools object. All Epic Fhir tools become native Mastra tools.
4

Run with any model
Swap openai("gpt-4o") for any AI SDK-compatible provider. Call agent.generate() and the agent routes tool calls through MCP automatically.

agent.ts

import { MCPClient } from "@mastra/mcp";
import { Agent } from "@mastra/core/agent";
import { openai } from "@ai-sdk/openai";

const mcpClient = new MCPClient({
  id: "epic-fhir-mcp-client",
  servers: {
    "epic-fhir-mcp": {
      url: new URL(
        "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
      ),
    },
  },
});

const agent = new Agent({
  name: "Epic Fhir Agent",
  model: openai("gpt-4o"),
  instructions: "You have access to Epic Fhir tools.",
  tools: {
    ...(await mcpClient.listTools()),
  },
});

const result = await agent.generate(
  "List recent Epic Fhir transactions"
);
console.log(result.text);

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Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Epic Fhir. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about Epic Fhir MCP in Mastra AI

You add the Epic Fhir MCP server to your Mastra AI client. Your agent can then call tools like `list_appointments` as steps in a workflow, checking for upcoming visits and pulling relevant patient history with `list_conditions`.

Yes, it's a perfect fit. If a tool call to the Epic Fhir server fails—like a network blip calling `list_medications`—Mastra AI's built-in retry mechanism handles it automatically. This makes your clinical automations much more reliable.

Yes. When you configure the agent, you can specify exactly which tools it has access to. You could create a focused agent that can only use `search_patients` and `get_patient`, for example.

No. The MCP server handles all the complexity of the Epic FHIR API. You just give your Mastra AI client a single URL and token from Vinkius, and it can start calling tools like `list_immunizations` right away.

The server acts as a secure proxy. It processes requests for specific clinical data—like medication lists from `list_medications` or encounter histories from `list_encounters`—but doesn't permanently store any of it. All data is handled within Vinkius's ephemeral sandboxes.

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