HealthChain

What healthchainai/HealthChain MCP server does

healthchainai/HealthChain MCP server provides healthcare-focused tools around the Fast Healthcare Interoperability Resources (FHIR) standard. Its stated MCP capabilities cover creating and reading FHIR resources, validating resource content, coding resources from patient bundles, and looking up terminology. The server is intended for agents that need to handle structured clinical information rather than produce unconstrained text.

Validation is a central part of the workflow. The project describes typed FHIR resources and machine-readable validation reports designed to support a fix-and-retry loop. This gives an agent structured feedback when generated data does not satisfy the expected FHIR model or contains invalid clinical codes.

How it works

The HealthChain Python toolkit supplies the FHIR functionality, and its agent tools can be served to Claude through the Model Context Protocol. The project also supports FHIR-grounded question answering from a live clinical record and connections to live FHIR APIs, including multi-EHR scenarios described in the repository. These capabilities make it suitable for workflows where an agent needs to inspect patient data, produce a FHIR representation, and check that representation before it is used downstream.

The validation approach is designed to avoid silently filling in clinical details. The project states that its helpers do not add claims that were not supplied, such as guessed statuses or automatically generated timestamps. That behavior is relevant when an application needs a clear boundary between model output and data written into a clinical record.

Setup and configuration

Install the Python package with the MCP extra:

pip install healthchain[mcp]

The repository also documents the base package installation as pip install healthchain. For the broader SDK, a project can be scaffolded with healthchain new my-app -t fhir-gateway, entered with cd my-app, and started locally with healthchain serve. The generated application is configured through app.py and healthchain.yaml; the provided material does not specify separate MCP server startup arguments or required environment variables.

Tools and capabilities

The documented capabilities include:

• Creating typed FHIR resources.
• Reading FHIR data from patient bundles.
• Validating resources and returning machine-readable reports.
• Looking up healthcare terminology and codes.
• Coding FHIR resources from available patient information.
• Serving FHIR tools to Claude over MCP.
• Connecting applications to live FHIR APIs, including multiple EHR sources.

healthchainai/HealthChain MCP server fits agent workflows that need structured clinical inputs and outputs, validation before writes, or terminology-aware resource construction. The repository also identifies integrations with FastAPI and LangChain, although those are broader SDK integrations rather than MCP client requirements.