Claude desktop & claude.ai
Add SellerSheet to the Claude desktop app or claude.ai as a custom connector — browser sign-in, no key to copy.
Add SellerSheet to Claude as a custom connector — the same steps work in the desktop app and on claude.ai in the browser.
Prerequisites
- A SellerSheet account with a connected store — Connect your store.
- A paid Claude plan — custom connectors need one.
Step 1: Copy the SellerSheet MCP URL
https://sellersheetai.com/mcpStep 2: Add SellerSheet in Claude
- Open Settings → Connectors → Add custom connector.
- Name it
SellerSheetand pastehttps://sellersheetai.com/mcpas the server URL.
Step 3: Sign in and test
- Click Connect. Your browser opens the SellerSheet sign-in; approve, and you're back in Claude.
- Ask: "Which stores can you see?" Your agent calls
get_user_contextand lists your store refs, such asmyStore-US, with your plan and each store's status. Every session should start there.
Troubleshooting
"Unauthorized" (401)
Your sign-in or key expired or was deleted. Sign in again, or create a new key.
The browser never opens
Update the client — older versions don't support MCP sign-in — or use an API key.
"No stores"
Connect a store first: Connect your store.
More in Troubleshooting. Next: Install the skills, or try the prompt library.