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ChatGPT can use Slashy to work with your email, calendar, reminders, and contact research. A ChatGPT Business or Enterprise/Edu workspace admin can add Slashy’s MCP server as a custom plugin for the workspace.
This guide covers a custom workspace connection. It does not require finding Slashy in the public plugin directory. ChatGPT’s custom MCP server guide has the latest plan and admin requirements.

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Connect Slashy

1

Open Plugins in ChatGPT

In your ChatGPT workspace, open Plugins, select +, then Add custom MCP server. Your workspace admin or owner may need to do this step.
2

Enter the Slashy server

Name the plugin Slashy. For the public HTTPS MCP endpoint, enter https://slashy.ctrlcenter.ai/mcp. Choose OAuth authentication, then review the tools ChatGPT discovers.
3

Connect your account

Follow the sign-in prompt and authorize Slashy with the account whose inbox you want to use. If an admin publishes the plugin to the workspace, each teammate connects their own Slashy account.
4

Try it in a chat

Start a new conversation, type @, select Slashy, and ask: “What Slashy tools are available?” You can then ask ChatGPT to find a thread, prepare a reply, or check your calendar.
ChatGPT may ask you to confirm an action before it changes or sends something. Using Slashy MCP has example prompts and shows how editable email drafts appear in ChatGPT.

Using Slashy MCP

Try email and calendar prompts.

Slashy MCP overview

See the supported setup paths.

Troubleshooting

Fix login or missing-tool issues.