snowstorm-mcp-server vs Rxnorm
snowstorm-mcp-server is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑23.
snowstorm-mcp-server is a plugin bundle for AI coding tools published by SNOMED International. No marketplace we read lists it any more. Rxnorm is an MCP server published by pipeworx-io. Marketplaces we read that list it: 1 (Official MCP Registry). As of our marketplace pass on 2026-10-24. A plugin in this pair is no longer listed on any marketplace we read, so search engines are asked not to index the page.
Where each is published
| Marketplace |  Rxnorm | |
|---|---|---|
| Community marketplace ihtsdo/snowstorm-mcp-server | Removed on 2026-10-23 Version: 1.0.0 Forks (GitHub): 2 Stars (GitHub): 8 Not marked · First seen |
Not listed |
| Official MCP Registry | Not listed | Listed Version: 0.1.2 Forks (GitHub): 0 Stars (GitHub): 0 Not marked · First seen |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
The facts side by side
| Fact | snowstorm-mcp-serverno longer listed · | Rxnorm |
|---|---|---|
| Marketplaces that list it (differs) | 0 | 1 |
| Stars (GitHub) (differs) | 8 | 0 |
| Forks (GitHub) (differs) | 2 | 0 |
| Last release | Not published | Not published |
| Where it runs (differs) | Remote server (snowstorm-mcp.snomedtools.org/mcp) | Remote server (gateway.pipeworx.io/rxnorm/mcp) |
| Transport | Streamable HTTP | Streamable HTTP |
| Tools it declares | Not published | Not published |
| Environment variables it asks for | Not published | Not published |
| Parts of the bundle (differs) | 3 | Not a bundle |
| Licence (differs) | Apache-2.0 | Not stated |
| Repository (differs) | github.com/ihtsdo/snowstorm-mcp-server | github.com/pipeworx-io/mcp-rxnorm |
| Changes in the last 7 days (differs) | 4 | 0 |
| First seen (differs) | 2026-10-21 | 2026-10-11 |
| Endpoint at the last check (differs) | no remote endpoint we check | Responded 2 days ago |
Lines where the two differ have a tinted background and bold values. No value is marked better or worse: a plugin no marketplace lists any more is shown with its last known data, which we do not rank against current figures.
What to use instead of snowstorm-mcp-server
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
-
mcp-terminology io.github.pcmedsinge/mcp-terminology
LOINC/SNOMED CT/RxNorm/ICD-10 lookup, search, translation and ValueSet expansion via FHIR.
-
icdwise io.github.qinisolabs/icdwise
Verified ICD-10-CM code lookup & validation for AI agents — official descriptions, not guesses.
-
Diagnoses, drugs & lab codes: ICD-11, LOINC, RxNorm, MeSH, ATC, CID-10. 33 tools, MIT.
-
icd-mcp io.github.stayce/icd-mcp
WHO ICD-10/ICD-11 diagnosis codes. Lookup, search, chapters via official WHO API.
-
icd10-coding io.accurecord/icd10-coding
ICD-10-CM / HCC medical coding tools with database-verified accuracy and denial-prevention rules.
-
medical-codes-mcp-server io.github.cyanheads/medical-codes-mcp-server
Offline US medical code lookup and crosswalk — ICD-10-CM/PCS, HCPCS Level II, RxNorm. Keyless.
What each says it does
snowstorm-mcp-server
Query SNOMED CT clinical terminology via Snowstorm and Snowstorm Lite backends. Lookup, search, validation, hierarchy navigation, and value set expansion across all SNOMED CT editions.
Rxnorm
RxNorm MCP — wraps the NLM RxNav REST API (free, no auth)
How to run each
snowstorm-mcp-server
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
Rxnorm As a remote MCP server
claude mcp add --transport http rxnorm https://gateway.pipeworx.io/rxnorm/mcpCommands built only from what the marketplaces declare; the full set for every client is on each card.
Only Rxnorm has a remote endpoint we check. How we check endpoints
Tools each declares
Neither one's marketplaces publish a list of tools, so there is nothing to compare.
Settings each asks for
Neither one's marketplaces publish the settings it asks for.
What it can do: snowstorm-mcp-server · What it can do: Rxnorm · Compare two other plugins
Data comes from public marketplace files in GitHub repositories of their authors. Data comes from the Official MCP Registry (registry.modelcontextprotocol.io), CC0 1.0. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.