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Sweep 09 Oct 2026 · 17:27Z Build v2.1.296 517 read Stable v2.1.287 Latest v2.1.296 Next v2.1.296 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Code CLI 8 Oct 2026
One change · claude-code

Troubleshoot plugins changedplugins/troubleshooting

Nearest release: v2.1.295, published 4 hours before upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Upstream edited this page at 8 Oct 2026 22:56 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 8 Oct 2026 23:07 UTC.

Upstream edited
Recorded here
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From line 155 where the diff opens
First seen 25 Sep 2026 this site's first read of the page
Recorded edits20to this page, all time

The whole hunk

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155155 `Invalid marketplace source format`
156156</h3>
157157 
158You ran `/plugin marketplace add <source>` or `claude plugin marketplace add <source>`, and Claude Code replied `Invalid marketplace source format. Try: owner/repo, https://..., or ./path`.
158You ran `/plugin marketplace add <source>`, `claude plugin marketplace add <source>`, or `claude plugin install <plugin> --marketplace <source>`, and Claude Code replied `Invalid marketplace source format. Try: owner/repo, https://..., or ./path`.
159159 
160160Claude Code accepts a source in one of these forms:
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from line 558
558558 `Marketplace "<name>" is already added from a different source`
559559</h3>
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561You confirmed adding a marketplace through [`/plugin install <plugin> --marketplace <source>`](/docs/en/plugins/install#add-a-marketplace-and-install-in-one-command), and the catalog Claude Code fetched from that source has the same name as a marketplace you already added from a different source. Claude Code keeps the existing marketplace instead of replacing it, and the plugin isn't installed.
561You named a new marketplace source with [`--marketplace <source>` on the install command](/docs/en/plugins/install#add-a-marketplace-and-install-in-one-command), in a session or from your shell. The catalog Claude Code fetched from that source has the same name as a marketplace you already added from a different source. Claude Code keeps the existing marketplace instead of replacing it, and the plugin isn't installed.
562562 
563563The full message looks like this:
564564 
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