{
 "generated": "2026-11-01",
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  "degree": 0
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   "name": "Google",
   "role": "issuer",
   "note": "页面写“Google发起”",
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   "name": "IBM",
   "role": "participant",
   "note": "IBM 自己的 ACP 协议已并入 A2A",
   "status": "agent",
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     "url": "https://xiaopingfeng.com/landscape/agent-dev-stack/#player-a2a"
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   ]
  },
  {
   "type": "involves",
   "sentence": "A2A Protocol涉及Linux Foundation",
   "direction": "out",
   "id": "org:linux-foundation",
   "name": "Linux Foundation",
   "role": "steward",
   "note": "经 Agentic AI Foundation（AAIF）与 MCP 共同治理，2025年12月成立",
   "status": "agent",
   "evidence": [
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     "kind": "own",
     "label": "本站页面",
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     "url": "https://xiaopingfeng.com/landscape/agent-dev-stack/#player-aaif"
    }
   ]
  },
  {
   "type": "placed_in",
   "sentence": "A2A Protocol出现在 Landscape 的「多智能体协作」",
   "direction": "out",
   "id": "layer:agent-dev-stack--8",
   "name": "多智能体协作",
   "reported": false,
   "status": "derived",
   "evidence": [
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     "kind": "own",
     "label": "本站页面",
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     "url": "https://xiaopingfeng.com/landscape/agent-dev-stack/#player-a2a-8"
    }
   ]
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 ],
 "in": []
}