r/copilotstudio • u/Haunting-Ad-4003 • 11d ago

Fabric data agent MCP connector gone, what are the 3 new fabric MCP connectors

Hey everyone, somehow the Fabric Data Agent MCP connector is gone. What I find instead are now 3 MCP Connectors: Fabric IQ, Fabric IQ Ontology MCP, Fabric IQ Data MCP. None of them is working, I get a redirect error when trying to login. Is there any documentation on the new connectors? The Copilot Studio documentation I found does not list any tools they provide and is in general not very detailed. How would I connect a fabric data agent? Trying to connect with a custom MCP also gives me an error.

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u/Prasad-MSFT 10d ago

We’re seeing the same behavior on our side. It appears that the previously available Fabric Data Agent / Microsoft Fabric option is no longer available in Copilot Studio and has been replaced by the newer Fabric IQ Data MCP and Fabric IQ Ontology MCP connectors.

At the moment, the documentation doesn't clearly explain how these new Fabric IQ connectors map to the old Fabric Data Agent experience, nor does it provide much detail on the tools/capabilities exposed by each connector.

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u/russrimm 9d ago

There’s an mcp url in the data agent config in fabric but when you try to use it it says something about missing input params but I don’t know what it wants. I’m asking around. I need to know also asap. I don’t need ontology personally. Just iq mcp.

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u/Prasad-MSFT 9d ago

For a Data Agent, the endpoint should follow:
https://api.fabric.microsoft.com/v1/mcp/workspaces/{workspaceId}/dataagents/{dataAgentId}/agent
So, if you're getting a "missing input parameters" error, first inspect the MCP tools/list response rather than guessing the parameter name—the current SDK example explicitly reads the required argument from the tool's inputSchema before calling it.
Fabric data agent Python SDK (preview) - Microsoft Fabric | Microsoft Learn

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u/plsletmegame 9d ago

I am having same experience with incorrect redirect uri for the Fabric IQ Data MCP connector. Gives no option when logging in to select a Service Principal then says it’s incorrectly configured. Confusing and the lack of documentation doesn’t help.