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Firmable connects to Microsoft Copilot Studio as a Power Platform custom connector. You create it once in Power Apps, and it’s then available to every agent in that environment.
Before you start
  • Access to Power Apps, and permission to create custom connectors
  • The Firmable OpenAPI file, your Client ID and a Client Secret — use Support at the top of this page and we’ll send them over

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Step 1: Create the connector

Open Custom connectors in Power Apps.
Custom connectors isn’t in the left menu by default. It’s under More → Discover all, in the Data group. Pin it while you’re there.
Click New custom connector → Import an OpenAPI file.
Power Apps Custom connectors page with the New custom connector menu open and Import an OpenAPI file highlighted
Give the connector a name, then click Import and pick the OpenAPI file we sent you.
Import an OpenAPI file dialog with a connector name entered and the Import button for choosing the file
Click Continue. The server URL and connector details come from the file, so there’s nothing to fill in on the General page.
The General page of the newly imported connector, with the host and description filled in from the OpenAPI file

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Step 2: Set up authentication

Switch to 2. Security using the step dropdown at the top left.
The connector step dropdown open with 2. Security highlighted
Authentication type, Identity Provider, Authorization URL and Token URL are already filled in from the file.
Connector Security section with the Authorization URL and Token URL already filled in from the file, and Client ID, Client secret and Refresh URL still empty
Three fields are left: Leave Scope empty, then click Create connector.

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Step 3: Send us your Redirect URL

Don’t skip this step — sign-in won’t work until we’ve allow-listed your Redirect URL.
Power Apps generates a Redirect URL that’s unique to your connector, and it only appears after you’ve saved for the first time.
1

Reopen your connector

Go to Custom connectors, find yours in the list, and click the pencil (Edit) icon.
Power Apps Custom connectors list with the connector and the Edit pencil highlighted
2

Copy the Redirect URL

Open the Security section. The Redirect URL is at the bottom — use the copy button beside it.
Connector Security section with the Redirect URL field and its copy button highlighted
3

Send it to us

Send it to us using Support at the top of this page, and wait for us to confirm. It’s a quick change on our side.

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Step 4: Add it to an agent

MCP tools only run inside an agent, so this last step happens in Copilot Studio rather than Power Apps. Open the agent you want to use Firmable in, go to Add a tool → Model Context Protocol (MCP), and pick your connector from the list.
The Add a tool dialog in Copilot Studio with the Model Context Protocol tab selected and the Firmable connector listed
Open the Connection dropdown and choose Create new connection.
Select a connection dialog with the Connection dropdown open, showing no connections available and the Create new connection option
Give the connection a display name if you want one, then click Create.
Creating a connection to use Firmable dialog with an optional display name field and the Create button
Sign in to Firmable and click Allow.
Firmable authorization screen listing the access being granted, with Deny and Allow buttons
Back in Copilot Studio the connection shows a green tick and Add becomes available. Click Add.
Select a connection dialog with the Firmable connection connected and the Add button enabled
Firmable is added to the agent as a tool. From here it’s ordinary Copilot Studio work — test the agent, then publish it wherever your team needs it. Steps 1–3 are one-off. The connector stays available under Model Context Protocol (MCP) for any agent in that environment to add.