{
  "schemaVersion": "2026-06-11",
  "type": "EntityProfile",
  "publisher": {
    "type": "Organization",
    "name": "ELPA SPACE",
    "url": "https://elpa.space"
  },
  "entity": {
    "id": "x402",
    "name": "x402",
    "type": "Thing",
    "url": "https://www.x402.org/",
    "cluster": "agentic-web",
    "description": "HTTP 402-based payment protocol pattern for machine-payable resources.",
    "typeLabel": "Concept",
    "hubUrl": "https://elpa.space/entities/x402/",
    "path": "/entities/x402/",
    "officialUrl": "https://www.x402.org/",
    "coverageStats": {
      "coverageCount": 2,
      "articleCount": 0,
      "surfaceCount": 2,
      "primaryCount": 2,
      "mentionCount": 0,
      "relatedEntityCount": 5,
      "coverageStrength": "seed"
    },
    "coverage": [],
    "surfaces": [
      {
        "kind": "hub-page",
        "slug": "agentic-web",
        "title": "Agentic Web Stack",
        "dek": "Machine-readable discovery hub for x402-paid agent tools, MCP, A2A Agent Card, UCP, and browser-agent readiness.",
        "contentType": "page",
        "section": "Agentic Web",
        "date": "2026-06-09",
        "updatedDate": "2026-06-09",
        "path": "/agentic-web/",
        "url": "https://elpa.space/agentic-web/",
        "role": "primary"
      },
      {
        "kind": "hub-page",
        "slug": "agent-tools",
        "title": "Paid Agent Tools",
        "dek": "x402-payable coding-agent utility endpoints with public schemas, prices, machine feeds, and payment metadata.",
        "contentType": "page",
        "section": "Agentic Web",
        "date": "2026-06-09",
        "updatedDate": "2026-06-09",
        "path": "/agent-tools/",
        "url": "https://elpa.space/agent-tools/",
        "role": "primary"
      }
    ],
    "relationships": [
      {
        "id": "a2a-agent-card",
        "name": "A2A Agent Card",
        "type": "Thing",
        "typeLabel": "Concept",
        "cluster": "agentic-web",
        "hubUrl": "https://elpa.space/entities/a2a-agent-card/",
        "officialUrl": "https://google.github.io/A2A/",
        "sharedSourceCount": 2,
        "sharedSourceUrls": [
          "https://elpa.space/agent-tools/",
          "https://elpa.space/agentic-web/"
        ],
        "sharedArticleCount": 2,
        "sharedArticleUrls": [
          "https://elpa.space/agent-tools/",
          "https://elpa.space/agentic-web/"
        ]
      },
      {
        "id": "elpa-space",
        "name": "ELPA SPACE",
        "type": "Organization",
        "typeLabel": "Organization",
        "cluster": "publication-trust",
        "hubUrl": "https://elpa.space/entities/elpa-space/",
        "officialUrl": "https://elpa.space/",
        "sharedSourceCount": 2,
        "sharedSourceUrls": [
          "https://elpa.space/agent-tools/",
          "https://elpa.space/agentic-web/"
        ],
        "sharedArticleCount": 2,
        "sharedArticleUrls": [
          "https://elpa.space/agent-tools/",
          "https://elpa.space/agentic-web/"
        ]
      },
      {
        "id": "model-context-protocol",
        "name": "Model Context Protocol",
        "type": "Protocol",
        "typeLabel": "Protocol",
        "cluster": "agentic-web",
        "hubUrl": "https://elpa.space/entities/model-context-protocol/",
        "officialUrl": "https://modelcontextprotocol.io/",
        "sharedSourceCount": 2,
        "sharedSourceUrls": [
          "https://elpa.space/agent-tools/",
          "https://elpa.space/agentic-web/"
        ],
        "sharedArticleCount": 2,
        "sharedArticleUrls": [
          "https://elpa.space/agent-tools/",
          "https://elpa.space/agentic-web/"
        ]
      },
      {
        "id": "ai-agents",
        "name": "AI agents",
        "type": "Thing",
        "typeLabel": "Concept",
        "cluster": "agentic-web",
        "hubUrl": "https://elpa.space/entities/ai-agents/",
        "officialUrl": "https://en.wikipedia.org/wiki/Intelligent_agent",
        "sharedSourceCount": 1,
        "sharedSourceUrls": [
          "https://elpa.space/agentic-web/"
        ],
        "sharedArticleCount": 1,
        "sharedArticleUrls": [
          "https://elpa.space/agentic-web/"
        ]
      },
      {
        "id": "llms-txt",
        "name": "llms.txt",
        "type": "Thing",
        "typeLabel": "Concept",
        "cluster": "geo",
        "hubUrl": "https://elpa.space/entities/llms-txt/",
        "officialUrl": "https://llmstxt.org/",
        "sharedSourceCount": 1,
        "sharedSourceUrls": [
          "https://elpa.space/agent-tools/"
        ],
        "sharedArticleCount": 1,
        "sharedArticleUrls": [
          "https://elpa.space/agent-tools/"
        ]
      }
    ]
  }
}