fhirHydrant
fhirHydrant is an MCP server. It reaches fhir. It needs FHIR_ACTIVE_KEY to authenticate. Its repository has 18 GitHub stars and is licensed under NOASSERTION; we last read it on 2026-10-24.
fhirHydrant is an open-source Node.js server that connects to FHIR MCP, requiring SMART Backend Services credentials, offering metadata-aware search and CRUD tools with compact responses, FHIRPath filtering, safe pagination, audit events, and terminology lookup.
Install
MCP servers are packaged differently from each other -- some run via npx, some as a Docker image, some as a plain script you clone and run. fhirHydrant’s own README did not state one plainly enough for this page to quote it rather than guess, so it will not guess. The repository below states it.
What it reaches, and what it needs
Maintenance
Open-source Node.js FHIR MCP server with SMART Backend Services, metadata-aware search/CRUD tools, compact responses, FHIRPath filtering, safe pagination, audit events, and terminology lookup.
Common questions about fhirHydrant
- What does fhirHydrant do?
- fhirHydrant is an open-source Node.js server that connects to FHIR MCP, requiring SMART Backend Services credentials, offering metadata-aware search and CRUD tools with compact responses, FHIRPath filtering, safe pagination, audit events, and terminology lookup.
- How do I install fhirHydrant?
- Its README did not state an install command plainly enough for us to quote one, so we do not guess. The repository has the instructions: https://github.com/faulkj/fhirHydrant
- What does fhirHydrant connect to, and what does it need?
- It reaches fhir. The credentials we found in its source are FHIR_ACTIVE_KEY.
- Is fhirHydrant official and is it maintained?
- We found nothing naming it as a vendor’s official server. Its repository has 18 GitHub stars and its state in our directory is listed. Its last commit we recorded was on 2026-09-15.
- What licence does fhirHydrant use?
- The repository declares the NOASSERTION licence.