Personal Agent Protocol aims to connect personal AI agents with businesses
The open standard jointly developed by Sierra and Meta proposes a common connection model for personal agents to work with company websites, APIs, and enterprise agents under explicit authorization.
AT A GLANCE
Key points
- An open standard developed by Meta and Sierra
- OAuth-based read-only or write authorization
- Connections through the web, MCP/OpenAPI, and enterprise agents
- The v0.1 specification is planned for later in October
What is changing?
Sierra and Meta announced the open Personal Agent Protocol, which defines how personal AI agents should interact with businesses. Genesys, Instinct, Rocket, Shopify, Stripe, and Walmart are also participating in its development. The protocol envisions an agent discovering capabilities on a company website, starting a session on a user’s behalf, and requesting account access when needed. Authorization is based on OAuth, and the user can grant the agent read-only or write access.
Companies will be able to choose whether the agent operates through regular web pages, MCP- or OpenAPI-based interfaces, or their own enterprise agent. Sierra plans to publish the v0.1 specification later in October, hold design workshops, and provide a reference implementation. For production teams, the main value could be a shift from screen-clicking agents to permissioned, observable connections. Detailed permissions, notifications, and payment extensions are still future design ideas.
Explore the original sources
Source date: 6 October 2026.
Published by AI Radar: 6 Oct 2026, 22:10 (Istanbul, UTC+3). Updated: 6 Oct 2026, 23:03.
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