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An Owner or Primary Owner has to add the custom connector for the organisation first. After that, connect it from Customize → Connectors with your own REalyse account. See Connect your assistant and Anthropic’s custom connector guide.
Custom MCP servers in ChatGPT need developer mode, which is on the web app and on paid plans (Pro, Plus, Business, Enterprise or Education). Follow Connect and test your plugin. Details are in Connect your assistant.
The connector was probably left behind in Dataverse from an earlier attempt. Delete it from Custom connectors in the same Power Platform environment, wait a few minutes, and try again with the server name REalyse. Full steps are in Create failed in Copilot Studio.
MCP access is switched on per account. Ask your REalyse account manager to enable it, then connect again.
Your REalyse subscription isn’t active. Reconnecting won’t help until it’s renewed. Contact your REalyse account manager.
The sign-in page was open for too long before you finished. Go back to your assistant and start the connection again.
Check that you added the server URL exactly as https://mcp.realyse.com/mcp, with no headers or tokens. Some clients only start sign-in when you click Connect or try to use a tool for the first time.
Your session has expired. Assistants that don’t support refresh tokens need you to reconnect from time to time. Disconnect and connect again from your assistant’s settings.
You’ve used this month’s allowance. The default is 10,000 rows, unless your account manager has set a different limit. The message tells you when it resets. Lookup tools such as resolve_location still work in the meantime. To raise your allowance, contact your REalyse account manager. See Usage limits.
Trend tools need every requested series to fit in your remaining allowance. Ask for fewer series (for example, fewer crime categories) or wait for the allowance to reset.
Try a postcode or a better-known place name. You can also ask for an area around a point, such as “within one mile of Leeds station”.
Ask your assistant when the relevant dataset was last updated. It will call get_dataset_update_dates.

Still stuck?

Contact your REalyse account manager. It helps to include the name of the assistant you’re using, roughly when the problem happened, and the exact error message.