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Connect ChatGPT to Willow

Use ChatGPT with your organization's Willow tools.

Prerequisites​

  • A ChatGPT Plus, Team, or Enterprise account
  • Your organization's Willow URL (from the Connect MCP modal)

Step 1: Get Your Connection URL​

In Willow, click Connect MCP at the bottom of the left sidebar.

Click ChatGPT in the client grid. Copy the URL shown.

Step 2: Enable Developer Mode​

Go to Settings → Apps. Toggle on Developer mode.

Developer mode is marked ELEVATED RISK because it allows unverified connectors. You need it to add custom MCP servers like Willow.

ChatGPT Settings Apps page with Developer mode toggle highlighted

Once enabled, a Create app button appears at the top.

ChatGPT Settings Apps page with Developer mode on and Create app button visible

Step 3: Create the App​

Click Create app. In the New App form:

  1. Name: enter Willow
  2. Connection: paste your Willow URL
  3. Authentication: select OAuth
  4. Check "I understand and want to continue" to acknowledge the risk warning

Click Create.

ChatGPT New App form with Willow name, MCP-S URL, OAuth authentication, and risk acknowledgement checked

Step 4: Sign In​

ChatGPT shows an Add Willow to ChatGPT dialog. Click Sign in with Willow.

ChatGPT Add Willow to ChatGPT dialog with Sign in with Willow button

Your browser opens the Willow Authorize Access page. Log in to your Willow account if prompted, then click Allow.

Willow Authorize Access page showing ChatGPT is requesting access with an Allow button

ChatGPT confirms with a Willow is installed. toast and shows the app detail page.

ChatGPT showing Willow is installed toast and the Willow app detail with connection info

Step 5: Make Sure Willow is Active in the Chat​

Start a new conversation. Click + in the message bar, go to More, and make sure Willow (DEV) is checked.

ChatGPT + menu showing More submenu with Willow DEV checked and Willow shown in the chat bar

Step 6: Verify It Works​

Ask ChatGPT:

"What tools do you have access to in Willow MCP? List them"

ChatGPT should respond with the full list of your connected Willow tools.

ChatGPT chat showing a full list of Willow MCP tools grouped by server

The tools you see will depend on which MCP servers your organization admin has installed, which tools on those servers they have enabled, and what tools each MCP server exposes. Your list may look different from the one shown here.

Troubleshooting​

Developer mode option not visible

  • MCP connector support requires ChatGPT Plus, Team, or Enterprise. It is not available on free accounts.

"I understand" checkbox doesn't appear

  • Make sure Developer mode is fully toggled on before clicking Create app

Authorization failed

  • Make sure you have accepted the Willow invite from your admin
  • Try removing the app from Settings → Apps and adding it again

Willow not showing in the + menu

  • Click + → More to find it. It may not appear in the top-level menu until selected at least once.

See also: General Troubleshooting

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