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CLI reference

Every verb below is real and shipped. Most never touch the network — only replay and engine do, and replay refuses production-class targets structurally.

Verbs

VerbPurposeNetwork
runCompare two output sets; decide PASS or FAIL.Never
gateDecide whether a change may deploy.Never
corpusManage recorded traffic corpora.Never
importImport engine configuration exports.Never
parsePrint an HL7 message's field tree with spec names.Never
probeShow exactly what a connector would do, without doing it.Never
versionsPrint version information.Never
replayReplay a recorded corpus against approved, pinned, non-production targets.Only to approved non-production targets
engineRun the local engine: queues, listeners, retry lanes.Yes — the interfaces it's configured to run

Exit-code vocabulary

ivren gate uses a fixed exit-code vocabulary built for CI pipelines. Missing evidence can never become PASS.

CodeMeaning
0PASS
1FAIL
2Could not complete
3INDETERMINATE
4REFUSED

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Release notes, written for the person who reads diffs.

What shipped, what changed, and the occasional write-up on interface engineering. A handful of emails a year, no marketing cadence.

Release notes and interface engineering write-ups. No cadence, no selling.