SERVER

quern

Rank #20,576

glama/xag/quern

A tree whose vocabulary, rules and solvers are data, edited at runtime through generic tree_* tools. Rules go red on the node that breaks them, so it works as a design-dexision ledger on any checked knowledge base.

Listed & last published
Sep 6, 2026
OVERVIEW

quern is a Model Context Protocol (MCP) server published by xag. It ranks #20,576 of 137,875 servers tracked on MCP Toplist. quern is listed on Glama, with 2 release tags tracked from its GitHub repository. It was first listed on Sep 6, 2026 and most recently updated on Sep 6, 2026.

STANDING
#20,576of 137,875 tracked serversTop 25%

Ranks ahead of 117,299 of 137,875 servers on MCP Toplist.

CONNECT

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No setupRuns out of the box

No credentials or required configuration declared — add it to your MCP client and go.

This server doesn't publish a machine-readable install config — see the repository README for install instructions.

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MCP Toplist: Top 25% of 137,875
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REGISTRIES

Listed on 1 registry

ORGANIZATION

xag

Organization
Servers in org
1
Versions across org
2
VERSIONS

GitHub releases (2)

No registry surfaces explicit version metadata for this server. The list below shows release tags from the linked GitHub repository.

v0.1.0 · Sep 6, 2026v0.1.1 · Sep 6, 2026Sep 6, 2026Sep 6, 2026
VersionPublished
v0.1.1Sep 6, 2026
v0.1.0Sep 6, 2026
FAQ

Frequently asked questions

Who maintains quern?
quern is maintained by xag, which publishes 1 MCP server (2 total versions) tracked on MCP Toplist.
Is quern listed on the Official MCP Registry?
quern is not on the Official MCP Registry. It is listed on Glama.
How many versions does quern have?
No registry surfaces explicit version metadata for quern; MCP Toplist tracks 2 release tags from its GitHub repository, most recently published on Sep 6, 2026.
Where can I find the source code for quern?
The source code for quern is hosted at github.com/xag/quern.
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