None of the US tax packages has an MCP server. Two practice management platforms have shipped one, three have announced one. Status verified October 2026.

A verified scoreboard of MCP servers and AI-agent access across twelve systems Canadian accounting firms run, with what an agent can do with each today.

Microsoft's SharePoint and Outlook MCP servers are in preview and need Copilot; the Microsoft 365 connector in Claude is GA. What an agent can do today.

Google runs a Workspace MCP server in developer preview and the Drive connector in Claude is GA with read and write. The most mature agent access on the list.

There is no CRA MCP server or API, and the CRA's terms of use rule out automation. What the machine channels actually are and where an agent must stop.

Wolters Kluwer has no MCP server, but CCH iFirm Taxprep's web API reads and writes return cells. What that means for agents; Cantax and Taxprep have no API.

DT Max has no MCP server, API or SDK. Auto-fill my return and competitor conversion are the only documented paths in. Where an agent fits anyway.

Intuit's MCP server does not reach ProFile or Pro Tax. Partner API by application, Auto-fill and GIFI import, Hub & Link. Status verified September 2026.

TaxCycle has no MCP server and a partner-only API. Its import paths, Auto-fill, Excel, XML and DoxCycle, are how an agent's output reaches a return.

Jetpack Workflow has no MCP server and no public API. Zapier covers client and job creation. We ran T1 intake on it anyway; here is how.

TaxDome's MCP server and public API are in beta and documented as of October 2026. What the tools cover, what they cannot read, and where Armada T1 fits.

Karbon announced a public MCP server in June 2026 and has not shipped it. Its REST API already runs T1 intake; here is the current status and what to watch.

Xero's official MCP server and Claude connector work in Canada today. None of it reaches TaxCycle. What an agent can do with Xero on a T1 file.

Intuit ships an official QuickBooks Online MCP server and hosted connectors. The Claude connector is US-only; here is what works from Canada.