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Decagon·Oct 6, 2026·Initial Public Release·open source

Personal Agent Consent & Trust Protocol (PACT)

The Personal Agent Consent & Trust Protocol (PACT) is an open-source standard designed to facilitate secure, verifiable interactions between customer-facing personal AI agents and business-side AI agents. By leveraging OAuth 2.0 and the Agent2Agent (A2A) protocol, PACT allows businesses to authenticate personal agents and manage customer-granted permissions without exposing sensitive login credentials.

AI AgentsOpen SourceAuthenticationProtocol
overview

The Personal Agent Consent & Trust Protocol (PACT) is an open-source standard designed to facilitate secure, verifiable interactions between customer-facing personal AI agents and business-side AI agents. By leveraging OAuth 2.0 and the Agent2Agent (A2A) protocol, PACT allows businesses to authenticate personal agents and manage customer-granted permissions without exposing sensitive login credentials.

key features
  • 01Cryptographic verification of agent identity using signed JWTs
  • 02OAuth 2.0-based delegated authorization for granular permission management
  • 03Separation of agent identity from account authority to enhance security
  • 04Standardized discovery of business agent endpoints and capabilities
  • 05Open-source specification for cross-platform interoperability
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