Sierra blog
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Sharing a draft of Personal Agent Protocol
Today we’re publishing a draft of Personal Agent Protocol, known as Poppy, and announcing additional 35 design partners.
Sierra Summit 2026: Bring us your hard problems
AI is moving faster than anyone predicted. At Sierra Summit, we shared how Sierra helps companies stay on the frontier, stay in control as personal agents arrive, and turn customer context into a lasting advantage.
Introducing Personal Agent Protocol
We’re excited to announce Personal Agent Protocol — an open standard Meta and Sierra are developing along with industry partners at Genesys, Instinct, Rocket, Shopify, Stripe, and Walmart that defines how personal agents interact with businesses.
The Sierra partner ecosystem
Today we’re introducing Sierra’s partner ecosystem: the technology platforms, marketplaces, and service partners bringing Sierra to more businesses worldwide.
Sierra joins the OpenAI Marketplace
We’re excited to be a launch partner in OpenAI’s new marketplace. Now, eligible customers can build agents with Sierra using their OpenAI commitments.
Ghostwriter: When AI goes from tool to teammate
Ghostwriter now works alongside your team in Slack and Teams — always on, proactive, and asynchronous. It moves past "I did what you asked" to "I noticed something you should see" and "I have an idea we haven't tried."
Your agent, laid bare
For decades, enterprise software was a black box — hard for companies to understand, implement, adapt, and integrate, or even replace. With Sierra, nothing is hidden. It’s easy to build an agent, understand the actions it takes, integrate it with existing systems, and make changes directly.