Meta, Walmart and Shopify Back a Standard for AI Agents: What Small Businesses Should Do

Meta's Muse personal AI agent already has millions of US users about a month after launch, Meta executive David Singleton told CNBC on Oct. 6. The same day, Meta and Sierra announced the Personal Agent Protocol, an open standard for how those agents deal with businesses, with Shopify, Stripe, Walmart, Genesys, Instinct and Rocket named as partners.

If you run a store, a salon, a repair business or any small company that takes bookings, this is the week AI agents stopped being a demo. People are already asking agents to check stock, book appointments and handle returns for them. The new standard is meant to give businesses a say in how that happens. Here's what was announced, what's still missing, and seven things to do before agents show up at your business in larger numbers.

What was announced

Sierra's announcement, written by co-founders Bret Taylor and Clay Bavor, describes the Personal Agent Protocol as "an open standard Meta and Sierra are developing" with partners that "defines how personal agents interact with businesses." It's open for anyone to implement.

According to the post, a session works like this:

• A personal agent starts on the company's website, where it can find out what the business offers and how to reach it.
• It can begin as a guest, which may be enough to check product availability or ask about a returns policy.
• When a task needs the customer's account, the customer signs in on the company's page or uses credentials already set up with their agent.
• The customer chooses whether the agent gets read-only or write access.
• The session runs on OAuth, the same standard behind "sign in with" buttons, and carries across channels.

The business decides how agents get the job done: through its regular website, through APIs built on standards such as MCP and OpenAPI, or through its own customer service agent.

Shopify's VP of Product, Mani Fazeli, said in the post that merchants have "a new frontier for excellent customer service," from product questions to purchases, returns and exchanges.

Why companies want a standard

Taylor told CNBC that businesses need to know when they're dealing with a personal agent rather than a person. "It is kind of chaos until such a standard exists," he said.

Singleton said people use Muse for "signing their kids up for classes, finding and buying the best gifts, scheduling that dentist appointment that you have been putting off for six months." Those are exactly the jobs small businesses handle by phone and web form today.

Not everyone is on board. CNBC reported that Amazon has blocked Meta's agents, citing worries about website scraping, and that OpenAI and Anthropic aren't part of the effort for now.

What's still missing

The announcement is a plan, not a finished product:

• No specification has been published yet. Sierra says it plans to publish version 0.1 later this month, host design workshops and release a reference implementation.
• Payments aren't part of the first version. Sierra lists payments, push notifications and more detailed permissions as possible extensions.
• There's a rival. The Next Web reported that Stripe and Shopify have also joined a Visa-led Trusted Agent Protocol, so more than one standard may compete.

For a small business, that means there's nothing to install today. If you're on Shopify or use Stripe, support would most likely arrive through those platforms rather than something you build yourself.

Agents are already calling businesses

You don't have to wait for the standard to meet an AI agent. Reuters reported in September that Meta had launched a phone-calling feature for Muse, letting users have the agent dial US businesses to book haircuts, check whether a store has an item in stock or get quotes from contractors.

Reuters also reported that Meta tested having human contractors quietly handle some of those calls, and that a Meta executive called it "a miss" to start without proper disclosures and said the feature was rolled back. A Meta spokesperson said the company is "working with merchants to continue improving this potential calling feature, and will only roll it out when it's ready and with the proper disclosures."

7 steps for small businesses

1. Put the basics on your website in plain text. Hours, prices or price ranges, service areas, stock status and your returns policy should be readable on the page, not buried in images or PDFs. A guest agent checks exactly these things.
2. Offer online booking. If an agent can book a slot on your site, it doesn't need to call your front desk.
3. Prepare staff for agent calls. Decide how your team handles a caller who says it's an AI assistant. Confirm bookings and quotes in writing to the customer's email or phone, not just verbally.
4. Decide what agents may change. Write down which actions you're comfortable with an agent doing for a customer, such as booking, rescheduling or cancelling, and which need the customer directly.
5. Watch your platforms. Follow Shopify, Stripe and your booking software for announcements about agent support, and turn it on deliberately rather than by default.
6. Track odd patterns. Note bookings or orders that look automated, such as many requests in seconds or details that don't match, so you can spot problems early.
7. Keep a small team efficient. We looked at how owners are automating instead of hiring in our lean teams breakdown, and at how AI is changing site traffic in our AI search traffic guide.

Disclosure: some links are affiliate links; ShopperCove may earn a commission at no extra cost to you.

If you run a service business, the quickest win is making bookings and messages land in one place, whoever sends them. LocalTry's offer page lists online booking with two-way Google Calendar sync, a unified inbox for email, SMS, calls, website forms and social conversations, and automated lead follow-up and appointment messages. It also says LocalTry is available through MCP, one of the API standards Sierra names, though LocalTry doesn't claim support for the Personal Agent Protocol. ShopperCove did not test LocalTry for this article. LocalTry link: Open linkShow address (affiliate link)

If you sell to other businesses and live in your calendar, keeping meetings and follow-ups in one system matters as more of them get booked by assistants. Clozure's offer page describes an AI business workspace with AI-assisted email, a calendar with two-way Outlook and Google sync, CRM and pipeline tools, and meeting, RSVP and reminder automation. It doesn't mention personal agents or the new standard. ShopperCove did not test Clozure for this article. Clozure link: Open linkShow address (affiliate link)

Tools that help

• LocalTry, CRM and operations workspace for service businesses and agencies. Per its offer page, Operator is $99 and Scale is $199 every 30 days, with 5 or 10 users, and the initial purchase has a 14-day money-back guarantee. LocalTry link: Open linkShow address
• Clozure, AI business workspace for sales teams. Its offer page lists $99 a month, with the first charge covering a 14-day trial and monthly billing after that until you cancel. ClickBank's standard refund policies apply. Clozure link: Open linkShow address

How this was made: facts were gathered on 8 Oct 2026 (IST) from Sierra's announcement, CNBC's interviews with Bret Taylor and David Singleton, The Next Web's report and Reuters' Muse calling report as carried by The Business Times, then written up with AI help and checked line by line against those sources. ShopperCove did not test Muse or any personal agent for this article.

Sources

• Open sierra.aiShow address
• Open cnbc.comShow address
• Open thenextweb.comShow address
• Open businesstimes.com.sgShow address
• Open localtry.comShow address
• Open clozure.netShow address

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