How to Connect Your Vanguard Account to Claude for Free

How to Connect Your Vanguard Account to Claude# permalink to this section

Vanguard investors tend to be buy-and-hold by nature. Index funds, low expense ratios, and long time horizons don't require daily attention, which is exactly why most Vanguard accounts go unchecked for months at a time. Connecting Vanguard to Claude doesn't change that investing style. It just means that when you do check in, you get a real answer instead of a login screen and a wall of fund names.

What You Can Connect# permalink to this section

Vanguard's mutual fund accounts sync the same way as its brokerage accounts, which matters since a lot of long-time Vanguard investors still hold funds directly rather than through a brokerage wrapper.

How to Connect It# permalink to this section

1. Create your free OpenBudget account.
2. Choose Vanguard from the institution list and log in through Plaid's secure, read-only connection. OpenBudget can see your holdings but can never place a trade or move money.
3. Your brokerage, IRA, and mutual fund accounts sync automatically.
4. Install the MCP server for Claude, a one-time setup covered in our connection guide.
5. Ask your first question.

Setup takes about five minutes, most of it spent logging into Vanguard itself.

What to Ask Once You're Connected# permalink to this section

What's my average expense ratio across all my funds?

How has my portfolio performed since I started investing, compared to a simple S&P 500 index?

Am I overweight in any single fund or sector without realizing it?

Expand

Why This Matters for a Buy-and-Hold Portfolio# permalink to this section

The value of index investing is that you're not supposed to check it constantly. That's also exactly why small problems can sit unnoticed for years: a fund that's crept to a much larger share of your portfolio than intended, an expense ratio that's higher than it needs to be because of an older fund share class, or a rebalance that never happened after a market run-up.

None of these require daily monitoring to catch. They require an occasional real answer, which is what a connected account gives you instead of a dozen individual fund pages to read through and average by hand.

If part of your Vanguard portfolio is generating dividend income, our guide on tracking dividend income automatically covers how that gets pulled in the same way.

The Bottom Line# permalink to this section

Vanguard is built for investors who check in occasionally, not daily. Connecting it to Claude fits that pattern: nothing changes about how you invest, but the rare moment you do want a real answer, you get one built from your actual funds instead of a rough guess.

Get started at openbudget.sh →