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Sweep 30 Oct 2026 · 21:36Z Build v2.1.315 533 read Stable v2.1.308 Latest v2.1.314 Next v2.1.315 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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plugins-api changedmanage-claude/plugins-api

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347347* File paths must be relative, contain no `..`, and use only letters, digits, spaces, and `_ . - / ( ) ,`.
348348* The request body and the uncompressed archive are each at most 200 MB; a request body over the limit returns `413` (`request_too_large`) rather than `400`. An upload has at most 5,000 files, a path depth of 12, paths of 472 characters, and file or folder names of 255 characters.
349349* ZIP archives must use DEFLATE or STORE compression, and cannot be encrypted or contain symbolic links.
350* A marketplace holds at most 500 items, counting its plugins and any standalone skills members keep in it. This limit and the 5,000-file limit are current values that may be raised.
350* An upload that creates a plugin is refused once the marketplace holds 1,000 items. This total includes its plugins and any skills members keep in it. Anthropic can raise this limit and the 5,000-file limit.
351351 
352352## Example workflows
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10461046| Status | Cause | What to do |
10471047| -------------------------- | -------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
10481048| 404 | `marketplace_id` is not a marketplace of your organization. | Take the ID from [List marketplaces](https://platform.claude.com/docs/en/manage-claude/plugins-api#list-marketplaces). |
1049| 400 | The marketplace is synchronized from Git, or already holds 500 plugins and skills. | Upload to a `manual` marketplace, or change the repository instead. |
1049| 400 | The marketplace is synchronized from Git, or already holds 1,000 plugins and skills. | Upload to a `manual` marketplace, or change the repository instead. |
10501050| 409 `plugin_name_taken` | The name is taken in that marketplace. | Upload a version to `details.plugin_id` only if it is the plugin you meant to update, because someone else might have made it. Otherwise, upload under another name (change the manifest `name`). |
10511051| 409 `skill_name_taken` | The plugin is going into the library marketplace and one of its skills has an organization skill’s name. | Rename the skill, or remove the organization skill in claude.ai. |
10521052| 409 (no `error_code`) | Another upload with the same name to the same marketplace is still in progress. | Retry shortly. |
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