How to customise a Claude Cowork plugin

1. 1

   Clone or fork the plugin

   Get a local copy you can edit. Most plugins are open-source on GitHub.

2. 2

   Update the system prompt

   Edit the skill's prompt to match your brand voice and known context.

3. 3

   Add your team's templates

   Attach examples — what a good output looks like, what a bad one looks like.

4. 4

   Re-install your copy

   Install the customised version into Claude Cowork and test against real tasks.

5. 5

   Version it

   Commit your changes to your own repo so you can iterate safely.