Meta, Walmart, Instinct, Shopify, Sierra, Stripe, and others publish the Personal Agent Protocol to standardize and secure how AI bots interact with businesses

A month after Meta's launch of Muse, the personal agent that quickly turned into a viral sensation, a group of companies …

CNBC 2026-10-07 Kate Rooney

Context & Ripple Effects

Meta first positioned Muse as a cloud-hosted personal agent, then extended it into a small-business workflow spanning third-party software and Meta ad accounts through its app-integration push.

Shopify had already outlined Shop Pay checkout for Muse, putting agent permissioning at the point of purchase. The protocol moves that progression from individual integrations toward a shared framework for business-agent interactions.

First-order effects

Meta, Walmart, Instinct, Shopify, Sierra, Stripe and the other publishers gain a common protocol for standardizing and securing how their businesses receive requests from personal agents.
Businesses building integrations for personal agents have a published baseline around which to design consent and trust flows, rather than relying solely on one-off partner arrangements.

Second-order effects

Shopify’s proposed Shop Pay flow becomes an early test of whether shared agent rules can support agent-initiated purchases at Shopify-powered stores.
Other agent vendors and merchants face a compatibility decision: join the protocol’s working group or maintain separate interaction and permission models as the founders promote a common standard.

Third-order effects

If adoption extends beyond the founding group, protocol governance and agent identity design could become competitive control points in agentic commerce; public reactions already flag both identity gaps and concern over independent stewardship.
A shared trust layer would shift competition from merely connecting agents to apps toward controlling distribution, consent, and transaction access across business networks.

The trend: Personal AI agents are moving from proprietary app integrations toward shared permission and trust layers for conducting business interactions.

Discussion

@noahrshinn Noah Shinn on x
Instinct in group chats...Making plans with friends usually turns into a frustrating back-and-forth over times and places. With Instinct in the group, you can explore options together, agree on a plan and get it done, all in one thread. Your friends don't even need Instinct to …
@josharosen Josh Rosen on x
If Meta/Sierra's protocol gets adoption, I wouldn't be surprised if people immediately start trying to generalize it to coding agents. But it's missing some key pieces around agent identity. Others are further ahead on giving the agent its own identity and authority, while stil…
@yordisprieto Yordis Prieto on x
Unless it is donated to CNCF or Linux Foundation, I am done supporting any Protocol or “Spec
@gramliu Gram Liu on x
Today, we're open-sourcing the Personal Agent Consent & Trust (PACT) Protocol at @DecagonAI, co-developed and supported by @Instinct. We're also joining the Personal Agent Protocol working group announced by the team behind @Muse to help shape an industry standard. Personal agent…
@jeff_weinstein Jeff Weinstein on x
Introducing: Personal Agent Protocol (PAP)—an open standard for how personal agents interact with businesses. @stripe is joining Meta, Sierra, Genesys, Instinct, Rocket, Shopify, and Walmart as founding members to design how the many agentic parties will play nicely together.
@smehmood Sajid Mehmood on x
Bummer to not see Amazon on here. When you have the biggest castle, it's hard not to obsess over your moat. But that's a huge mistake in an era when bridges are getting 10x easier to build every year.
@hbarra Hugo Barra on x
Personal agents and business agents want to be able to talk to each other, so we're starting an industry initiative to rapidly create an agent-to-agent ecosystem. @Muse and Meta Business Agent teams working together with a whole bunch of industry leaders, with many more joining s…
@dps David Singleton on x
Today we're previewing our work to build an open standard @Meta ( @muse and Meta Business Agent) and Sierra are developing along with industry partners at Genesys, NiCE, Decagon, Rocket, Shopify, Stripe, and Walmart that defines how personal agents interact with businesses. What…
@btaylor Bret Taylor on x
Today we're announcing Personal Agent Protocol — an open standard @Meta and @SierraPlatform are developing along with industry partners at @Genesys , @instinct , @RocketOTD , @Shopify , @stripe , and @Walmart . It will help define how personal agents interact with businesses and…
@sytaylor Simon Taylor on x
Huge! Meta and Sierra just published a standard for how your personal AI agent logs in to a business. Meta, Instinct, Stripe, Shopify and Walmart signed on. This is some of the biggest distribution platforms in agents AND e-commerce behind one protocol. — Sierra (Bret Taylor and …
@dataliquidity Michael Sena on x
Interesting to see Walmart, Stripe, Shopify in here and Amazon absent... Amazon continues to take a closed stance to personal agents (and standards around them). How long can they reasonably holdout?
@ryanberckmans Ryan Berckmans on x
I'm publishing an idea that I think could help low/unskilled workers get better jobs (maybe much better & faster): Idea: zeroshot job offers where agents conduct interviews and the candidate gets only firm offers to “start Monday
@joshelman Josh Elman on x
Building trusted layers to understand the difference between humans and agents, and the ways to share information, consent, and commitment is going to be critical to opening up the agentic economy. This will good for businesses, users, and agents
@clawdtalk @clawdtalk on x
Two open standards for the same job launched 37 minutes apart this morning. Sierra and Meta announced the Personal Agent Protocol with Shopify, Stripe, Walmart, and Genesys at the table. Then Decagon open-sourced PACT, a consent and trust layer built with Instinct, and joined t…
@saranormous Sarah Guo on x
how will businesses talk to their customer's personal agents? relentless innovation from team @SierraPlatform: the Personal Agent Protocol
@metacriticcap @metacriticcap on x
It's always the companies that have all their software in order and things work and you rarely need to go to customer service that are always on the cutting edge of this sort of things.
@sriramk Sriram Krishnan on x
this reminds me of when oauth was developed in the early 2000s - something that needs to be built cross-industry as an open standard and have buy in. the larger question is how will large retailers and aggregators - Amazon, airlines, etc react and handle an era where they can't o…
@sierraplatform Sierra on x
Today we're announcing Personal Agent Protocol — an open standard @Meta and @SierraPlatform are developing along with industry partners at @Genesys , @instinct , @RocketOTD , @Shopify , @stripe , and @Walmart . It will help define how personal agents interact with businesses and…
@dickc Dick Costolo on x
his is impressive and of course the route to network effects for personal agents but i assume Meta will block it from whatsapp and save that for muse, since that's been their playbook, well, forever. You can imagine a world in which Instinct wins the US and Meta wins rest of wor…
@stripe @stripe on x
We're working with Meta, Sierra, Genesys, Instinct, Rocket, Shopify, and Walmart as founding partners for the Personal Agent Protocol: an open standard defining how personal agents interact with businesses.
@hrygao Harry Gao on x
As an Instinct power user, I'm excited we've partnered with their team so your personal agent can talk directly to Decagon's AI support agents and get issues resolved for you. Businesses need a secure way to verify which agent is calling, who it represents, and what the user has …
@decagonai @decagonai on x
Today, we're open-sourcing the Personal Agent Consent & Trust Protocol (PACT), co-developed by @Instinct . We're also joining the Personal Agent Protocol working group by @Muse . Built on A2A and OAuth, PACT enables businesses to verify who a personal agent is acting for and wh…
@tarunchitra Tarun Chitra on x
It is honestly pretty funny to see SF AI people design communication and security protocols for consumers agents that resemble crypto more than centralized systems Perhaps the threat models of open, permissionless networks was more right than the many detractors want to admit
Emily Sands Emily Sands on linkedin
In Stripe data, we've seen agentic commerce hit an inflection point in the past few weeks with the rise of personal agents like Muse and Instinct. …
Chris Palmer Chris Palmer on linkedin
“Get my heating fixed.” — “Manage my car ownership.” — “Have the utilities ready when I move.” …

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