Claude Code v2.1.261 · 4 Sep 2026
initialize control request can now report whether requested plugins loaded
The initialize request now reports whether plugins you asked for actually loaded.
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SDK Area: what it touches
Improvements Kind: in v2.1.261, 04 Sep 26
Improvements Section of the release
The initialize plugins_applied telemetry field, reporting whether every plugin named in the request is among those actually loaded at launch via the plugins --await-initialize or via --plugin-dir plugins
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Names in the bundle plugins_applied
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Names in this entry
setting initialize Some MCP server discovery calls are answered from cache, avoiding an extra round trip.
setting plugins Signing in can request an extra permission for plugin search, though search itself remains policy-gated.
cli --plugin-dir Load a plugin from a directory or .zip archive, or several from a folder of plugins , for this session only. Each flag takes one path. Repeat the flag for more paths: --plugin-dir A --plugin-dir B.zip. Passing a folder of plugins requires Claude Code v2.1.265 or later
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