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Agent Extensions

The Agent Extensions page corresponds to the /agent-extension sidebar destination. It is the place to manage agent-oriented extensions, not just community profiles.

What the page includes

The top-level tabs are:

  • All
  • Built-in
  • Custom
  • Community
  • Squad Templates
  • Skills
  • Claude Code Plugins

The shared search box adapts to the selected tab.

Agent Extensions page with tabbed catalogs for agents, templates, skills, and plugins Agent Extensions page in dark mode

Agent-profile tabs

All

Shows every locally available agent profile.

Built-in

Shows bundled profiles that ship with the application.

Custom

Shows profiles you created, imported, duplicated, or edited locally.

Community

Shows registry-backed profiles from enabled sources.

Squad Templates tab

The Squad Templates tab is a separate catalog view. It is not the same thing as the profile-category tabs.

Use it to:

  • browse template catalogs
  • inspect template metadata
  • install templates into the local environment

Skills tab

The Skills tab lists installed extension skills.

Use it to:

  • review installed skills
  • inspect skill metadata
  • import or export skill bundles
  • understand what a skill adds before invocation

Plugins tab

The Claude Code Plugins tab lists installed Claude Code plugins and what each one added.

To add a plugin, choose Import plugin and pick its source:

  • Directory: a Claude Code plugin directory, which has a .claude-plugin/plugin.json file
  • Archive: a .zip of a plugin directory, chosen with the file picker
  • URL: the https address of such a .zip

The plugin's skills, commands, agents, and MCP servers are added. Hooks and output styles are not supported, so when a plugin has them the import result says how many were not added. When an import is refused, for example because the file is too large or the directory is not a plugin, the dialog says why.

Create, edit, import, and export

From the Agent Extensions page you can:

  • create a new custom agent profile
  • edit an existing custom profile
  • duplicate a profile as a starting point
  • import or export profile definitions

Registry sources

Registry sources for community profiles and squad templates are configured in Settings > Agent Registry.