Can AI fill out forms for you?

What real people report

• @babsNumber2 on X asked Gemini Spark to change the email on their bank accounts. The bank sent back a form, and Spark filled in two of them, one per account, with details from their Google Drive, so all that was left was to sign and send (October 16, 2026). Our write-up: Change the email on your bank accounts and let the agent fill in the forms.
• @hiThere18823351 on X handed Grok Bot an FMLA request his employer needed faxed to his surgeon. The form was 25 pages, so the bot sent him a link to a fax payment portal and he paid for that part himself (October 22, 2026). Our write-up: Grok Bot faxes an FMLA form to a surgeon for you.
• @LPDonovan on X, a teacher, gave Meta Muse one link and two screenshots and had it register him for 7 teacher conferences (October 26, 2026). Our write-up: Sign up for 7 conferences from one link.
• @NodeBaron on X had Meta Muse open a ticket in United's support portal about Wi-Fi that barely worked, and says United added $25 in travel credit within a day (October 26, 2026). Our write-up: Get money back for in-flight Wi-Fi that didn't work.
• @PaulFor97342436 on X says Grok Bot did most of the opt-out requests to remove his mother from people-search sites, plus the removal emails and Do Not Call sign-ups, in one night (October 28, 2026). Our write-up: Cut scam calls by removing a parent from people-search sites.

We haven't run these ourselves. They are the posters' own reports.

Online forms vs. PDF forms

Online forms are where agents do best. An agent with a browser types into each field the way you would, picks options from menus and moves through the pages. Grok Bot's changelog says it asks for logins and card details in a Secure Form, can show you a form with the details it already knows filled in so you can edit them, and checks your messages for approval before anything it can't undo, like sending or buying.

PDF forms are harder. A PDF with real form fields can often be filled like a web form. A scanned PDF is just a picture of paper, so the agent has to read it and then write the answers somewhere. If yours is scanned, ask the agent for a list of every question with the answer to write, and fill it in yourself. Agents that work on your own computer, like Claude Cowork, can open the file where it is, but you should still check the result before you print or send it.

Forms to keep for yourself

Some forms are fine to hand over: sign-ups, registrations, contact and support forms, address changes and opt-outs. Others need you. For tax forms, let an agent gather the numbers and draft, then check with the official instructions or a tax professional. See Gather tax documents and fill in a draft. For job applications, let it tailor your resume and pre-fill the boring parts, but write the answers that speak for you. See Tailor your resume to any job posting. Don't use an agent to answer tests, quizzes or anything that should be your own work.

A good first form to try

If phone scams are a problem in your family, registering a number on the National Do Not Call Registry is a short, free form that an agent can do with you in a few minutes. It stops sales calls from legitimate companies. Scammers ignore it, which is why the poster above also removed his mother's listings from people-search sites and turned on his carrier's scam blocking.