Microsoft 365
Sign in with your Microsoft account and work from your own mail and calendar inside MainFoundry.
Connected to the tools you already run.
Sign in with Microsoft 365 or Google Workspace, post to e-conomic, charge through Stripe — and let Claude, ChatGPT or Copilot work inside your account through MainFoundry's own MCP server.
Google Workspace
Full sign-in plus Gmail and Google Calendar, so your CRM knows the conversations you already have.
e-conomic
Invoices and bookkeeping flow straight into e-conomic — Danish VAT handled today, with a country-neutral tax engine by design.
Stripe
Take card payments and run subscriptions through Stripe, reconciled against the same company record as everything else.
MCP — Claude, ChatGPT and Copilot
MainFoundry ships its own MCP server, so the assistants your team already uses can read and act in your account under the same permissions and approvals.
REST API and custom connectors
A documented REST API for everything else — build your own connectors and bring the rest of your stack along.
Integration guides and news
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