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Connect Claude (web/desktop)

Connect Claude.ai (in your browser or the desktop app) to your SellerJar data using OAuth. You'll approve the connection from inside SellerJar; no API key is needed for this path.

Before you start​

  • A SellerJar account (MCP access is available on all accounts)
  • A Claude.ai account (web or desktop app)

Step 1: Open Connectors in Claude​

In Claude, go to Settings → Connectors.

Step 2: Add a custom connector​

Click Add custom connector. Name it "SellerJar" and enter the server URL:

https://api.sellerjar.com/mcp

Click Add.

Step 3: Connect and sign in​

The new connector appears in your list. Click Connect. Your browser opens SellerJar: sign in if you aren't already, then review the permissions and click Approve.

You'll be redirected back to Claude once approval completes.

Step 4: Verify it works​

Start a new chat in Claude and ask:

List my SellerJar profiles.

If the connection is working, Claude will call the list_profiles tool and return the advertising profiles tied to your account.

Troubleshooting​

ProblemCause / fix
Claude says the connection is unauthorized (401)Your SellerJar session may have changed your password since connecting, which disconnects OAuth-connected AIs, reconnect from Settings → Connectors. It's also possible access was revoked from SellerJar's MCP page ("Connected AI clients" card).
Claude can't discover the connector / add failsDouble-check the URL is exactly https://api.sellerjar.com/mcp with no trailing characters, and re-add the connector.
Approval screen doesn't appearMake sure pop-ups/redirects aren't blocked, and that you're signed in to the correct SellerJar account.

You can revoke Claude's access at any time from SellerJar's MCP page: look for Connected AI clients and click revoke. It takes effect immediately.

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