tengu_opal_circuit
A Claude Code feature flag, read out of the shipped bundle. No mined inventory carries it: everything below comes from what this site has written about it.
The nudge suggesting the verify skill is now silenced unless a gate turns it on.
Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.225.
In the changelogs
4Releases whose published page names tengu_opal_circuit.
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v2.1.225
Verify-skill suggestion suppressed unless the opal circuit is on
The nudge suggesting the verify skill is now silenced unless a gate turns it on.
named in this entry, gate cited by this entry, found in this entry's text
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v2.1.225
/review can now chain into /verify
/review can hand off to /verify after reporting findings, but the chaining is switched off here.
gate cited by this entry, found in this entry's text
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v2.1.225
Bundled "verify" skill can become model-invocable behind a gate
The bundled verify skill could be triggered by Claude itself, but for now only you can start it.
gate cited by this entry, found in this entry's text
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v2.1.225
PR-prep skill reminder before git commit
Before committing, Claude can be made to state which verify, simplify and code-review skills it ran.
named in this entry, gate cited by this entry, found in this entry's text
Gate readings
0No release here has a gate table behind it for this flag. Most published releases have none at all: the readings exist only for versions the pipeline captured flag state on.
First cited
0No release's published evidence quotes this name. The ledger indexes the Evidence lines of every changelog on this site, so this says nobody here has ever quoted it; it says nothing about how old the name is.
Presence across releases
0The miner has never read a build containing this name. It is here because a changelog entry of ours names it, which is evidence that it existed and not evidence of which releases carried it. The inventory starts at v2.1.138 and everything older than that was never mined.
Read out of the published npm bundle release by release, and out of Anthropic's own documentation as this site captured it. Nothing on this page is a description anybody here wrote about what the feature flag does. All feature flags.