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Plugins and add-ons

Things that extend an AI product from the inside - Custom GPTs, Claude Skills and connectors, GitHub Copilot extensions. Different from an extension, which adds AI to a host app that did not have it.

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  • ClaudePLUGINIncluded with a Claude Pro, Max or Team plan

    Claude Skills and connectors

    How Claude extends a conversation with packaged capabilities and live connections to services such as Google Drive and Slack. Configure them once and…

    Tested on Claude Sonnet · Jun 2026

  • ChatGPTPLUGINIncluded with a ChatGPT Plus, Team or Enterprise plan

    Custom GPTs

    The ChatGPT way to package instructions, uploaded files and actions into a named assistant that you or your team open directly, with no API…

    Tested on GPT-5 · Jun 2026