Instinct, the $10B personal AI agent: what marketers should know

A personal AI agent that most people can't even sign up for is now valued at $10 billion. Instinct doesn't run ads, doesn't offer an app, and doesn't publish an API. Marketers should still pay attention, because its users already send it to buy, book and compare on their behalf.

Instinct is an invite-only personal AI agent built by Spear Street Technology, Inc. You text or call it, and it uses its own phone and computer to do errands: orders, bookings, cancellations, phone calls. It raised $1 billion at a $10 billion valuation on September 28, 2026, and added group chats in October. As of November 2026 it has no public API or connector docs.

This page covers what is confirmed, what is reported but unconfirmed, and what a marketing team can do about it today.

What is Instinct?

Instinct is a personal assistant you reach by text or phone call, with no new app to learn. Its website says it "can use a phone and computer in the same way that you do," and lists tasks such as ordering recipe ingredients, booking trains, sending flowers and finding tennis courts.

The company behind it is Spear Street Technology, Inc., doing business as Instinct, per its privacy policy (last revised August 26, 2026). The founder and CEO is Noah Shinn. SiliconANGLE describes a "phone concierge" for high-touch tasks such as restaurant reservations, doctor's appointments and sorting out bills, and says users can coordinate plans with the Instinct agents of friends and coworkers.

Here is the status of the main facts, as of November 12, 2026:

How much did Instinct raise, and why does the valuation matter?

Instinct raised $1 billion in a Series C at a $10 billion valuation on September 28, 2026, with Sequoia Capital, Benchmark and Coatue in the round (SiliconANGLE). About a month earlier, the same report says, it raised $250 million co-led by Index Ventures and Benchmark at $2.5 billion. Other coverage put that earlier round at $350 million, so treat its size as unsettled.

A fourfold jump in roughly a month tells you how investors see the category. They are betting that a share of everyday buying will move from people browsing websites to agents acting for them. Meta's Muse, OpenAI's Dots, Anthropic's Claude Duet and SpaceXSI's Grok Bot all launched agent products in the same quarter. Our comparison of Dots, Muse, Duet and Grok Bot covers those four.

Some traction numbers circulate (100,000+ users, about $1 billion a year in transactions, around half of it travel). They come from single interviews and reports and the company has not published them, so we don't rely on them here.

What are Instinct group chats?

Group chats give an existing group conversation its own agent. Instinct opened early access on October 5, 2026, according to TechCrunch coverage summarized by several outlets. People in the chat don't need an Instinct account to take part. Founder Noah Shinn said each user's personal agent asks permission before linking to a group, and users choose which groups get access and can revoke it.

The use cases named in coverage are shared tasks: trips, tickets, carpools, dinners. One outlet reported that the group agent reached all users on iMessage in late October. We found only that one source, so treat the date as unconfirmed.

For marketers, group chats matter more than the solo assistant. A group trip or a team dinner is a purchase decision made by several people at once. If an agent sits in that chat, it is the one gathering options, comparing prices and making the booking. The brand it can read and transact with easily has an advantage in that moment.

Is Instinct still invite-only?

Yes, as of November 2026. SiliconANGLE describes the product as "still in early access," and the website offers "Invite a friend" and "Try Instinct" links instead of an open sign-up. Reports say each user gets a small number of invites and that a waitlist exists, and that early-access invites have been resold online. Instinct has not published a general availability date or pricing. It is free during the beta, per press reports.

That matters for planning. You can't buy ads in Instinct, you can't list your business in it, and you can't test it at scale unless someone on your team has an invite. Anything you do now should help with every agent, not only this one.

Does Instinct have an API or MCP connector?

No public one that we could find. As of November 12, 2026, this is unknown, and we're stating it plainly. Instinct's website lists no developer page, API, partner program or connector directory. Its privacy policy describes no public API either. We found no official documentation for MCP (Model Context Protocol) connections.

One vendor that sells an MCP server says you can add its URL under the MCP connections in an Instinct account. Instinct has not confirmed that, and other MCP vendors say Instinct documents no custom MCP. So we don't claim that Instinct can use any outside tool, including Tracee.

What is confirmed about outside services:

• Shopify checkout. TechCrunch reported on September 28, 2026 that Instinct is one of the agents with a direct Shopify partnership for agentic commerce, announced the same day Shopify opened checkout to browser-based agents through WebMCP.
• Third parties it acts with. The privacy policy says services the assistant uses for you, such as a ride-booking service, can receive your information.
• Model providers. The policy lists "third-party AI model providers who help support the Services" among recipients. Instinct doesn't name its models.
• Training. Usage data may be used to "evaluate, fine-tune, and train" models, with an opt-out in app settings.

What does Instinct signal for marketers?

It signals two shifts: agents as buyers, and agents as assistants that sit between you and your customer. Neither needs you to integrate with Instinct.

Agents as buyers

When a person asks Instinct to "order the usual groceries" or "find a hotel near the venue under $250," the agent reads websites, compares options and checks out. It doesn't see your Instagram ad. It reads your product page, your prices, your stock status and your return policy. Shopify's September 28 update gave agents checkout tools (get_checkout, update_checkout, complete_checkout) so they can place orders with the buyer's authorization (TechCrunch). That is the plumbing for agent purchases at scale.

Agents as assistants and gatekeepers

Instinct makes phone calls, coordinates groups and handles bills. When a customer delegates "cancel subscriptions I don't use," your retention offer has to reach an agent that won't be swayed by friction or urgency copy. When a customer asks it to "book a table for six on Friday," your booking flow either works for an agent or the agent picks someone else.

What it does not change yet

Social media still reaches the people who decide what to delegate. Instinct doesn't read your LinkedIn feed or your TikTok. Brand awareness, reputation and word of mouth still shape which brands a person names when they give an agent a task. The difference is that the final step, comparing and buying, is increasingly done by software.

What should marketers do now?

Make your business easy for any agent to read and buy from, and keep investing in the channels where people form preferences. This checklist works for Instinct, Muse, Dots, Duet and Grok Bot alike.

1. Put facts in plain HTML. Prices, stock, delivery times, hours, return policy and booking rules should be readable text on the page, not inside images or behind scripts.
2. Answer the common questions on one page. Agents look for direct answers. A clear FAQ with your policies saves the agent from guessing.
3. Remove account walls from checkout where you can. Guest checkout and standard payment options help agent purchases complete.
4. Turn on agent checkout if you sell on Shopify. Check your store's settings for the agentic checkout options announced in September 2026.
5. Tag every link you post. When agent-driven orders arrive, you want to know which campaign created the demand. Our guide to UTM parameters for social media posts shows a naming scheme that holds up.
6. Watch referral and order sources. Add a field in your CRM or store for orders that arrive through an agent checkout, so you can count them as they grow.
7. Keep posting where people decide. People tell agents what to buy based on brands they already trust. Consistent posting across networks keeps you in that shortlist.

How does this connect to your own AI agent workflow?

The same idea runs in the other direction: you can have an agent do your marketing work while a person approves. That works today with assistants that document custom MCP connectors, such as Claude and ChatGPT on supported plans, connected to a social media MCP server. Our explainer on what an MCP server for social media is walks through how that connection works, and the agentic marketing stack guide shows how the pieces fit.

Instinct is a consumer assistant, not a marketing tool, so don't plan your workflow around it. If Instinct publishes an API or connector docs later, we'll update this page with what it supports and on which date.

Next step

Pick three pages a customer's agent would need to buy from you (a product or service page, your pricing or menu, your policies) and read them as a machine would: is every fact in plain text, and can the purchase finish without a login? Fix those first. For the social side, Tracee lets your own AI agent draft and schedule posts across 13 networks with a person approving in one calendar, and plans are on the pricing page at the time of writing (November 2026).