claude-plugins-official

Anthropic's managed directory of Claude Code Plugins, with a stern warning about trusting plugins and a clear path for third party submissions.

The repository is described as the official Anthropic managed directory of high quality Claude Code Plugins. Before the structure is explained, the README leads with a warning. Users should trust a plugin before installing it, because Anthropic does not control what MCP servers, files, or other software are included in plugins and cannot verify that they will work as intended. Leading with the warning is the right call for a directory whose contents run code on user machines.

The directory is split in two. A plugins directory holds internal plugins developed and maintained by Anthropic, and an external plugins directory holds third party plugins from partners and the community. Internal plugins are developed by Anthropic team members, with an example plugin serving as a reference implementation. Third party partners can submit plugins for inclusion in the marketplace, and external plugins must meet quality and security standards for approval. The warning advises users to check each plugin homepage before installing.

One detail explains a design constraint most users never think about. Plugin names are immutable, with the name field in a marketplace entry being an immutable slug. Once a plugin is published, its name must not change, because users have it installed under that slug and renaming breaks their install with a plugin not found error. A submission form provides the path into the directory. The immutability rule is the kind of decision that only makes sense after you have broken someone's install once.

• Source 1 · Project repository
• Source 2 · README