fhirhydrant for Claude Desktop
io.github.faulkj/fhirhydrant
FHIR MCP server with SMART Backend Services, response compaction, FHIRPath, and guarded writes.
client:Claude Desktop
transport:stdio
runtime:npm
Install fhirhydrant in Claude Desktop
~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json
{
"mcpServers": {
"fhirhydrant": {
"command": "npx",
"args": [
"-y",
"fhirhydrant"
],
"env": {
"MCP_TRANSPORT": "<MCP_TRANSPORT>",
"FHIR_AUTH": "<FHIR_AUTH>",
"FHIR_SERVER_URL": "<FHIR_SERVER_URL>",
"FHIR_TOKEN_URL": "<FHIR_TOKEN_URL>",
"FHIR_CLIENT_ID": "<FHIR_CLIENT_ID>",
"FHIR_ACTIVE_KEY": "<FHIR_ACTIVE_KEY>",
"FHIR_JWKS_URL": "<FHIR_JWKS_URL>",
"FHIR_VERSION": "<FHIR_VERSION>"
}
}
}
}
Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs