{
 "generated": "2026-11-01",
 "node": {
  "id": "layer:agent-dev-stack--3",
  "type": "Layer",
  "name": "上下文协议",
  "slug": "agent-dev-stack--3",
  "map": "agent-dev-stack",
  "map_title": "Agent 开发栈",
  "num": 3,
  "step": "Layer 03",
  "role": "让 Agent 能安全、标准化地连接外部工具和其它 Agent。 2026 年最大的标准化事件：MCP 与 A2A 的治理权都并入 Linux 基金会新设的中立机构 AAIF ，此前\"协议战争\"的焦虑基本解除。",
  "n_cards": 5,
  "page": "/landscape/agent-dev-stack/#layer-3",
  "degree": 0
 },
 "page": "https://xiaopingfeng.com/graph/e/layer/agent-dev-stack--3/",
 "out": [
  {
   "type": "flows_to",
   "sentence": "总览图里的箭头：上下文协议 → 编码 Agent",
   "direction": "out",
   "id": "layer:agent-dev-stack--5",
   "name": "编码 Agent",
   "status": "derived",
   "evidence": [
    {
     "kind": "own",
     "label": "本站页面",
     "text": "Landscape「Agent 开发栈」总览图：第 3 层指向第 5 层",
     "url": "https://xiaopingfeng.com/landscape/agent-dev-stack/"
    }
   ]
  }
 ],
 "in": [
  {
   "type": "placed_in",
   "sentence": "Anthropic出现在 Landscape 的「上下文协议」",
   "direction": "in",
   "id": "org:anthropic",
   "name": "Anthropic",
   "reported": false,
   "status": "derived",
   "evidence": [
    {
     "kind": "own",
     "label": "本站页面",
     "text": "Landscape「Agent 开发栈」第 03 层「上下文协议」：卡片「MCP · Model Context Protocol」",
     "url": "https://xiaopingfeng.com/landscape/agent-dev-stack/#player-mcp"
    }
   ]
  },
  {
   "type": "placed_in",
   "sentence": "Linux Foundation出现在 Landscape 的「上下文协议」",
   "direction": "in",
   "id": "org:linux-foundation",
   "name": "Linux Foundation",
   "reported": false,
   "status": "derived",
   "evidence": [
    {
     "kind": "own",
     "label": "本站页面",
     "text": "Landscape「Agent 开发栈」第 03 层「上下文协议」：卡片「Agentic AI Foundation（AAIF）」",
     "url": "https://xiaopingfeng.com/landscape/agent-dev-stack/#player-aaif"
    }
   ]
  },
  {
   "type": "placed_in",
   "sentence": "Google出现在 Landscape 的「上下文协议」",
   "direction": "in",
   "id": "org:google",
   "name": "Google",
   "reported": false,
   "status": "derived",
   "evidence": [
    {
     "kind": "own",
     "label": "本站页面",
     "text": "Landscape「Agent 开发栈」第 03 层「上下文协议」：卡片「Agent2Agent（A2A）」",
     "url": "https://xiaopingfeng.com/landscape/agent-dev-stack/#player-a2a"
    }
   ]
  },
  {
   "type": "placed_in",
   "sentence": "Cisco出现在 Landscape 的「上下文协议」",
   "direction": "in",
   "id": "org:cisco",
   "name": "Cisco",
   "reported": false,
   "status": "derived",
   "evidence": [
    {
     "kind": "own",
     "label": "本站页面",
     "text": "Landscape「Agent 开发栈」第 03 层「上下文协议」：卡片「AGNTCY」",
     "url": "https://xiaopingfeng.com/landscape/agent-dev-stack/#player-agntcy"
    }
   ]
  },
  {
   "type": "placed_in",
   "sentence": "Agent Plugins 1.0出现在 Landscape 的「上下文协议」",
   "direction": "in",
   "id": "inst:agent-plugins",
   "name": "Agent Plugins 1.0",
   "reported": false,
   "status": "derived",
   "evidence": [
    {
     "kind": "own",
     "label": "本站页面",
     "text": "Landscape「Agent 开发栈」第 03 层「上下文协议」：卡片「Agent Plugins 1.0」",
     "url": "https://xiaopingfeng.com/landscape/agent-dev-stack/#player-agent-plugins"
    }
   ]
  }
 ]
}