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Sierra and Meta propose a standard for personal AI agents

Sierra and Meta announced the Personal Agent Protocol on October 6, 2026, a proposed open standard for how a shopper's AI agent should deal with a business. Sierra says the first spec, version 0.1, will arrive "later this month," according to Sierra's announcement . No spec exists yet.

  • Sierra and Meta propose Personal Agent Protocol (PAP) as open standard for personal AI agents.
  • PAP aims to replace agents acting like human users on websites with clear rules.

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