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Matrix42

io.github.sus-tech-gmbh/matrix42-mcpv0.1.6Search

MCP server for Matrix42: explore the API and data model, search the service desk, act on tickets

The current version, v0.1.6, was published to the official MCP registry on 2026-10-01. It is distributed as matrix42-mcp on npm, filed under Search by this index, and declares 10 environment variables. Removals and unreachable sources are measured across every server this index tracks, contract drift across the servers that answer in consecutive snapshots; the index's current counts put this record in context.

In-path gate · all MCP tools

Using Matrix42 in Claude, Cursor, Gemini CLI, Cline, or Zed?

MCP tool contracts can change remotely with no version bump. The mcpindex gate pins each contract and HOLDs the call when it drifts-before your agent acts. Zero credentials. This is not the package install for this server itself (use Install this server for that).

Install the mcpindex gate (one command)

Rewrites your MCP host config so each server launches behind the gate. Inspect first: curl -fsSL https://mcpindex.ai/install.sh | less

uv tool install mcpindex-gate && mcpindex-config-wire
Auditable install path →Watch it hold a drift →
Trust verdict · v1 advisory · method
NOT YET SCREENEDno verdict on file

Verdict not yet evaluated for this tool. The semantic screen takes adversarial cases first; coverage rolls out as the corpus expands (15/150 labels to graduation). The deterministic conformance probe is built but has not yet run on the public corpus, so a recorded verdict here is REVIEW or UNVERIFIED, never a clearing ALLOW. Until a verdict is recorded, an agent should treat this tool as not-yet-cleared and fall back to its own checks. Method: the eval, four-state verdict, honest limits.

Own this server? Screen its description →

That verdict was true at screening time (snapshot 2026-10-01).

Contracts can change after screening, with no version bump. The gate pins Matrix42’s tool contracts on first sight and holds any silent change before your agent acts - the check that keeps being true on Tuesday.

See your first HOLD in 2 minutes →

Related: how to trust an MCP server · screen before install · silent contract drift

Environment variables
M42_HOST
required

Base URL of the Matrix42 instance

M42_API_TOKEN
requiredsecret

API token created in the Matrix42 Administration application

M42_ALLOW_WRITES

Expose the tools that modify tickets. Off by default, which keeps the server read-only

M42_LANGUAGE

Response language, sent as the Explicit-Language header

M42_TOOLS

Comma-separated tool ids to expose. Left unset, all tools are exposed

M42_AUDIT_NOTE

Mark created tickets with an internal note saying they were raised through this server

M42_AGENT_LABEL

How the assistant is named in that note

M42_UI_URL

Origin of the web interface, for deep links. Discovered from the instance when unset

M42_ALLOW_INSECURE_TLS

Skip TLS certificate verification. Only for self-signed development instances

M42_TIMEOUT_MS

Per-request timeout in milliseconds

MCP quality score · maturity, not trust · methodology
freshness
25
completeness
20
installability
25
documentation
15
stability
5
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