snomed_expand

MCP tool from Snowstorm MCP Server by IHTSDO

FHIR ValueSet/$expand with ECL support

How to use it

Project documentation lists snomed_expand for the Snowstorm MCP Server MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), then check which tools your installed version makes available. Tool availability can depend on configuration and credentials. A server handshake does not verify this tool’s behavior. See the full listing for setup details.

Install Snowstorm MCP Server

$uv run --project /path/to/snowstorm-mcp-server snowstorm-mcp-server --transport stdio
FULL SNOWSTORM MCP SERVER LISTING

Other tools in Snowstorm MCP Server (14)

fhir_metadata

FHIR CapabilityStatement summary (optional raw payload)

list_terminologies

List available SNOMED terminologies and the default

server_capabilities

Detailed backend info for a terminology

server_health

Check reachability and capabilities for a terminology

snomed_get_ancestors

Get ancestor concepts via IS-A hierarchy (ECL-based)

snomed_get_children

Get direct children of a concept (ECL-based)

snomed_get_descendants

Get all descendants of a concept (ECL-based)

snomed_lookup

FHIR CodeSystem/$lookup

snomed_subsumes

FHIR CodeSystem/$subsumes

snomed_validate_code

FHIR CodeSystem/$validate-code

snowstorm_get_concept_native

Native concept detail with synonyms

snowstorm_list_codesystems

Native code system summaries

snowstorm_list_versions

Native code system versions

snowstorm_search_concepts

Native concept search by term