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Open Quality MCP Server

by openquality Your server? Claim it
not responding

Open Quality is listed as active in the registry but did not answer our last check. 41 installs a week from npm. It exposes 5 tools. Last commit 6 Nov 2026.

Open healthcare quality measures: CQL, SQL and FHIR with provenance and known issues

Installs per day peak 454 · avg 23 · -65% w/w
a month agotoday
Uptime history 28 days of history · worst day 10%
28 days agonow
33.0%
Uptime 24h
30 of 91 checks
5
Tools
read from the server
277 ms
Response time
average over 24h
41
Installs / week
npm and PyPI

Open Quality does not always answer

Over the last week it answered 42.3% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 9 min ago.

run in your terminal
claude mcp add mcp --transport http https://openquality.us/mcp
Settings → Connectors → Add custom connector, then paste this address
https://openquality.us/mcp
~/.codex/config.toml
[mcp_servers.mcp]
url = "https://openquality.us/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "mcp": {
      "url": "https://openquality.us/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "mcp": {
      "type": "http",
      "url": "https://openquality.us/mcp"
    }
  }
}

Available tools 5

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

artifact
get_artifact
The raw text of one file a package lists: CQL, SQL, a ViewDefinition, or a FHIR Measure.
bundle
get_bundle
The package as a CRMI artifact Bundle, the shape CRMI's $package returns: an asset-collection Library, then the Measure, its Library and every shared library it depends on.
known
known_issues
Interpretation issues, defects, test cases and implementation notes, with their full text. Read these before writing or reviewing measure logic.
measure
get_measure
A package: title, steward, license, provenance (upstream commit, unmodified or derived, and exactly what changed), value set references, file list and known issue summaries.
measures
search_measures
Find measure packages by CMS id, title words, steward or package id. Every word must match. Shared CQL libraries are packages too; pass kind "library" to search them.

Endpoints

URLTransportStateLatencyChecked
https://openquality.us/mcp streamable-http answering 66 ms 9 min ago

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Open Quality — questions

Answers built from our own checks of this server.

What can Open Quality do?
It exposes 5 tools, read directly from the server on our last check. Among them: get_artifact, get_bundle, get_measure, known_issues, search_measures. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Open Quality working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 30 of 91 checks got a reply (33.0%), average response time 277 ms. The bar chart above shows every period we have measured.
The registry lists Open Quality as active — why does it not respond?
The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.
How do I connect Open Quality?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Open Quality need an API key?
No. Open Quality completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 5 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Open Quality?
It answers our handshake in 277 ms on average, which is faster than 49% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
How many people use Open Quality?
The npm package @openquality/mcp was installed 41 times in the last week. Week over week that is -65%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Open Quality open source?
The code is open source: it is published under the MIT licence, written in CQL, 1 stars on GitHub and 4 open issues. The licence covers the code in the repository, not the hosted service at openquality.us, which runs on its operator's own terms.