Unclear Whether plugins can use this now or it is held behind a switch is not stated.
What
Plugins are add-on packages that extend Claude Code. A plugin can now place a row in the conversation. The row appears as a system message, which is a note in the conversation that comes from Claude Code rather than from you or Claude.
Each plugin can only place a fixed number of rows. A placement fails in two cases:
- There is no conversation to place the row in.
- The plugin has already reached its limit.
Why
This is a new thing plugins can do, so plugins may start showing their own messages inside the conversation.
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Whether plugins can use this now or it is held behind a switch is not stated.