DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.
A new all-plugins-project-installed status message informs users when all available plugins are already installed for their project, providing clearer feedback during plugin management.
Evidence
Plugin status (search for "All available plugins are installed for this project")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.