PennyweightPennyweight

Connect Pennyweight to Grok

Last updated October 13, 2026

On this page

You can add Pennyweight to Grok as a custom connector. Once it's connected, ask Grok about your accounts in plain English.

Before you start, read connect your AI for how the connection works, and turn on two-factor: Pennyweight requires it before it will authorize any AI.

Before you start

  • Add it on the web. xAI's docs describe adding a custom connector at grok.com. xAI's announcement says connectors are live on Grok on the web, iOS and Android.
  • Who can use it. xAI says connectors are available to all Grok users.
  • On a Grok Business or Enterprise team, a team admin has to add the connector in xAI's cloud console before members can use it.

How to do it

  1. Open grok.com/connectors.
  2. Click New Connector, then choose Custom.
  3. Paste the server URL: . This is the same URL every Pennyweight user pastes.
  4. When Grok asks you to sign in, Pennyweight opens its Connect Pennyweight to your AI page. If you aren't signed in to Pennyweight in this browser, sign in first; you come back to the same page.
  5. The page shows the account being connected and says your AI client wants to read and write your Pennyweight ledger. Enter your passphrase and click Authorize. Pennyweight sends you back to Grok.
  6. In a Grok chat, ask:
Try asking

Are you connected to Pennyweight? List my accounts.

If the authorize page shows an error instead, see can't authorize your AI. A two-factor error means two-factor isn't on yet; you don't enter a code on this page.

What you'll see

Grok calls Pennyweight and replies with your accounts by name, with balances. If you have more than one ledger, accounts from each appear, except demo ledgers. If a demo ledger is the one you have open, only its accounts appear. That reply means the connection works end to end. See your first conversation with Pennyweight.

Good to know

  • How long access lasts. The grant lasts 30 days of active use.
  • What Grok gets. Pennyweight never gives Grok your passphrase or encryption keys. Grok gets a token that lets Pennyweight's server read your data for each request.
  • Removing access. Revoke Grok any time from Settings → Connect your AI in Pennyweight. See manage AI access.
  • Other AIs. The same server works with Claude and other supported clients.
  • Connect your AIAdd Pennyweight to Claude, ChatGPT, Gemini or Grok with one link, then authorize it with your passphrase. How connecting works and where each guide lives.
  • Turn on two-factor authentication (and why it's required)Turn on two-factor in Settings before you connect a bank or authorize your AI. Here is where to find it and what changes if you turn it off.
  • Can't authorize your AIThe Pennyweight page that approves your AI stopped you with a message. Here is what each message means and how to get the connection through.
  • Your first conversation with PennyweightA hands-on first session. Your AI looks over your accounts, sorts out uncategorized spending, makes a rule and sets a first budget.