Claude Code v2.1.283 ·
The anthropicNamespaceReserved option is gone from agent launch options
An optional setting called anthropicNamespaceReserved was removed from the options Claude Code accepts when it starts an agent
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
SubagentsArea: what it touches
RemovedKind: in v2.1.283,
RemovedSection of the release
What
The optional anthropicNamespaceReserved field is no longer part of the options Claude Code accepts when it starts an agent.
Why
The option is no longer among the accepted settings. What it did before is not described here.
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtIt is not clear whether any behaviour for reserved names in plugin agents ended along with this option.
See this entry in the whole of v2.1.283 →
