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Sweep 19 Sep 2026 · 02:36Z Build v2.1.278 500 read Stable v2.1.267 Latest v2.1.278 Next v2.1.278 Feeds RSS JSON llms.txt Unofficial
Claude Code v2.1.275 ·

/plugin install gains a --marketplace flag

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/plugin install now accepts --marketplace to install a plugin and add its marketplace source in one step

TierUse it nowhow much it should matter to you
Useful4my rating, 1 to 5
Signal2worth watching, 1 to 5
AreaPluginswhat it touches
KindNew Featuresin v2.1.275,
Group of 2 Use it now Notable No documentation found

/plugin install now accepts --marketplace to install a plugin and add its marketplace source in one step

What

  • /plugin install now supports a --marketplace <source> (or --marketplace=<source>) flag that installs a plugin and adds its marketplace source at the same time, and the help text now documents this usage.
  • The command reports usage errors for a missing source, the wrong number of arguments, or when the plugin name also embeds a marketplace (e.g. plugin@marketplace) at the same time as --marketplace is passed.
  • The add-marketplace UI gained a confirmAdd field that can trigger an automatic confirmation step when installing this way.

Why

This lets you install a plugin from a marketplace you haven't added yet without a separate /plugin marketplace add step, while still catching ambiguous or malformed commands.

Read from
Names in the bundle/plugin install --marketplace
How sure we are
One source agreesOne thing we can check says the same as this entry.
Anthropic's release notes agreeAdded /plugin install <plugin> --marketplace <source>, which offers to add the marketplace before installing the plugin

See this entry in the whole of v2.1.275 →