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Agent2Agent

Open protocol for communication between AI agents · Plugin · Runs on Cross-platform

Made by Google

A2A (Agent2Agent) is an open standard, originated by Google and now hosted by the Linux Foundation, that lets AI agents built on different frameworks discover each other, communicate, and collaborate securely.

Official page: a2a-protocol.org (opens in a new tab)

Sourced from

  • a2a-protocol.orgOct 20, 2026

    “A2A (Agent2Agent) is an open standard, originated by Google and now hosted by the Linux Foundation, that lets AI agents built on different frameworks discover each other, communicate, and collaborate securely.”

  • WikipediaOct 20, 2026

    “Agent2Agent (A2A) is an open protocol that defines how artificial intelligence agents communicate with each other across different systems.”

Named in 4 pieces

  1. Agent Infrastructure

    Inference Economics: Gartner's 96 Percent

    Gartner projects AI-optimized cloud infrastructure spending to nearly double in 2026 even as per-token prices keep collapsing, a paradox that inference specialists and reasoning researchers are racing to resolve.

    Aug 26, 2026
  2. Agent Infrastructure

    The Interoperability Layer: MCP and A2A

    Anthropic's Model Context Protocol and Google's Agent2Agent protocol left single-company control for the Linux Foundation within roughly a year, assembling every major AI lab under one governance roof.

    Aug 12, 2026
  3. Agent Infrastructure

    Machines With Money: Agent Payments Arrive

    Mastercard, Visa, Stripe, Google, and Coinbase built five competing rails for agent payments inside fifteen months, and their overlapping partner rosters reveal a single converging standard taking shape.

    Jun 10, 2026
  4. Agent Infrastructure

    The Agent Runtime Wars

    OpenAI, Anthropic, Google, Microsoft, and the open-source LangChain ecosystem each shipped a competing agent-runtime abstraction within one year, leaving orchestration itself, ahead of the underlying protocol, as agentic AI's real lock-in layer.

    Jan 1, 2026

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