Plugin pre-submission checklist changedplugins/pre-submission-checklist
Nearest release: v2.1.288, published under an hour 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 2 Oct 2026 19:01 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 2 Oct 2026 19:07 UTC.
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162162| What to do | [Result if you don't](#read-a-validation-result) | Title in the report, if it has one |
163163| - | - | - |
164| Make `hooks/hooks.json` valid JSON with a top-level `hooks` object, only the hook events and hook types in the [hooks reference](https://code.claude.com/docs/en/hooks), and an `https://` URL on each HTTP hook | Blocks | **hooks.json is invalid** for invalid JSON |
164| Make `hooks/hooks.json` valid JSON with a top-level `hooks` object, a `modules` array for a [mod](https://code.claude.com/docs/en/plugins/mods/overview), or both. In `hooks`, use only the hook events and hook types in the [hooks reference](https://code.claude.com/docs/en/hooks), and an `https://` URL on each HTTP hook | Blocks | **hooks.json is invalid** for invalid JSON |
165165| Leave `hooks/hooks.json` out of the `hooks` field in `plugin.json`, because Claude Code loads that file automatically | Warning | |
166166| Write valid YAML front matter in each skill, command, and agent file, with `description` as a single text value, not a list | Blocks for front matter that doesn't parse or a `description` that isn't text. Warning for no front matter or no `description`. | |
167167| Name component folders and files with the exact spelling and capitalization Claude Code expects, such as `hooks/`, `skills/`, and `SKILL.md` | Blocks | |
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