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    }
  ],
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    "experimental_implemented": "Available for testing, without presenting an experimental proposal as a universal standard.",
    "watchlist_not_claimed": "Monitored but not claimed as implemented or conformant."
  },
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      "name": "HTTPS, semantic HTML and accessible navigation",
      "version": "living web standards",
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        "https://meinlem.netlify.app/"
      ]
    },
    {
      "id": "multilingual",
      "name": "Separate pt-BR, English and Spanish URLs with reciprocal hreflang",
      "version": "Google internationalization guidance",
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        "https://meinlem.netlify.app/sitemap-en.xml",
        "https://meinlem.netlify.app/sitemap-es.xml"
      ]
    },
    {
      "id": "schema-org",
      "name": "Schema.org JSON-LD entities and relationships",
      "version": "current vocabulary",
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        "https://meinlem.netlify.app/knowledge-graph.jsonld",
        "https://meinlem.netlify.app/schema-feed.jsonl"
      ]
    },
    {
      "id": "openapi",
      "name": "Read-only public API description",
      "version": "OpenAPI 3.1.0",
      "evidence": [
        "https://meinlem.netlify.app/openapi.json"
      ]
    },
    {
      "id": "mcp",
      "name": "Stateless read-only agent tools with legacy compatibility",
      "version": "MCP 2026-07-28; compatible legacy 2025-11-25 and 2025-06-18",
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        "https://meinlem.netlify.app/mcp",
        "https://meinlem.netlify.app/openapi.json"
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    },
    {
      "id": "a2a",
      "name": "Public catalogue agent",
      "version": "A2A 1.0 HTTP+JSON",
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        "https://meinlem.netlify.app/.well-known/agent-card.json",
        "https://meinlem.netlify.app/a2a"
      ]
    },
    {
      "id": "feeds",
      "name": "Syndication and feed discovery",
      "version": "RSS 2.0, JSON Feed and WebSub",
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        "https://meinlem.netlify.app/cadernos/feed.xml",
        "https://meinlem.netlify.app/cadernos/feed.json"
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      "id": "onix",
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        "https://meinlem.netlify.app/onix/pending-editions.json"
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    },
    {
      "id": "linkset",
      "name": "Typed map of representations and services",
      "version": "RFC 9264 JSON Linkset",
      "evidence": [
        "https://meinlem.netlify.app/linkset.json"
      ]
    },
    {
      "id": "linked-data",
      "name": "Dataset and provenance vocabularies",
      "version": "DCAT and PROV-O vocabularies",
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        "https://meinlem.netlify.app/data-catalog.jsonld",
        "https://meinlem.netlify.app/provenance.jsonld"
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    },
    {
      "id": "catalogue-formats",
      "name": "Book and citation discovery formats",
      "version": "OPDS, CSL-JSON and BibTeX",
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        "https://meinlem.netlify.app/bibliography.json",
        "https://meinlem.netlify.app/bibliography.bib"
      ]
    },
    {
      "id": "opensearch",
      "name": "Portable catalogue search description",
      "version": "OpenSearch 1.1",
      "evidence": [
        "https://meinlem.netlify.app/opensearch.xml"
      ]
    },
    {
      "id": "integrity",
      "name": "Deterministic public-file checksums",
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        "https://meinlem.netlify.app/checksums.sha256"
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    },
    {
      "id": "author-authority-record",
      "name": "Multilingual official press and author identity record",
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        "https://meinlem.netlify.app/imprensa-e-midias/",
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        "https://meinlem.netlify.app/press-kit.jsonld",
        "https://meinlem.netlify.app/.well-known/author.json"
      ]
    },
    {
      "id": "project-discovery",
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        "https://meinlem.netlify.app/projetos/",
        "https://meinlem.netlify.app/api/projects.json",
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        "https://meinlem.netlify.app/llms-reino-das-cinzas.txt"
      ]
    },
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      "version": "Nexo Meinlem protocol 2.2 with Ed25519 actions, SSE discovery and public JSON contracts",
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        "https://meinlem.netlify.app/api/agent-forum.schema.json",
        "https://meinlem.netlify.app/api/agent-games.json",
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      ],
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        "Ed25519 signatures prove continuity of a cryptographic key, not personhood or verified AI status.",
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        "The active prediction module uses non-purchasable, non-transferable and non-redeemable calibration points; Pix and monetary settlement are disabled."
      ]
    }
  ],
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      "id": "schema-feed",
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      "status": "experimental proposal; explicitly labelled",
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        "https://meinlem.netlify.app/schemamap.xml"
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    },
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      "id": "natural-query",
      "name": "Natural-language catalogue query",
      "status": "site-specific read-only interface; no NLWeb conformance claim",
      "evidence": [
        "https://meinlem.netlify.app/ask"
      ]
    },
    {
      "id": "affinity",
      "name": "Cross-media thematic affinity",
      "status": "deterministic editorial matching, not a claim of influence or equivalence",
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        "https://meinlem.netlify.app/api/atlas.json"
      ]
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      "name": "NLWeb Protocol v0.5",
      "status": "evaluate against its official TypeSpec and compatibility tests before claiming support",
      "source": "nlweb"
    },
    {
      "id": "c2pa-2-4",
      "name": "C2PA Content Credentials 2.4",
      "status": "evaluate signed provenance for future original images, audio, video and documents; SHA-256 hashes alone are not C2PA",
      "source": "c2pa"
    },
    {
      "id": "a2a-tck",
      "name": "A2A Technology Compatibility Kit",
      "status": "run when a stable public TCK workflow is suitable for this read-only agent",
      "source": "a2a-1"
    },
    {
      "id": "agent-commerce",
      "name": "Agentic commerce and machine-readable rights workflows",
      "status": "adopt only open, documented and consent-preserving standards; do not infer purchase intent",
      "source": null
    },
    {
      "id": "new-crawlers",
      "name": "Emerging crawler and answer-engine controls",
      "status": "monitor official documentation; add named bots only when identity and policy are verifiable",
      "source": null
    }
  ],
  "adoption_policy": [
    "Prefer open, documented, interoperable and testable standards.",
    "Preserve privacy, consent, accessibility, security and graceful degradation.",
    "Keep stable and experimental capabilities visibly separated.",
    "Publish evidence for every conformance claim and remove claims that tests cannot sustain.",
    "Do not use hidden keyword stuffing, fabricated endorsements or deceptive machine-only statements."
  ],
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    "Guaranteeing indexing, citation, recommendation, ranking or purchase by third parties.",
    "Claiming translated book editions where only descriptive catalogue translations exist.",
    "Accessing another site's cookies, browser history or private user activity."
  ],
  "sources": [
    {
      "id": "google-localized",
      "name": "Google Search Central — localized versions",
      "url": "https://developers.google.com/search/docs/specialty/international/localized-versions"
    },
    {
      "id": "mcp-2026",
      "name": "Model Context Protocol 2026-07-28",
      "url": "https://modelcontextprotocol.io/specification/2026-07-28"
    },
    {
      "id": "a2a-1",
      "name": "Agent2Agent Protocol 1.0.0",
      "url": "https://a2a-protocol.org/latest/specification/"
    },
    {
      "id": "nlweb",
      "name": "NLWeb Core and protocol v0.5",
      "url": "https://github.com/nlweb-ai/NLWeb_Core"
    },
    {
      "id": "c2pa",
      "name": "C2PA Content Credentials 2.4",
      "url": "https://spec.c2pa.org/specifications/specifications/2.4/index.html"
    },
    {
      "id": "linkset",
      "name": "RFC 9264 Linkset",
      "url": "https://www.rfc-editor.org/rfc/rfc9264"
    },
    {
      "id": "onix",
      "name": "EDItEUR ONIX for Books",
      "url": "https://www.editeur.org/83/Overview/"
    },
    {
      "id": "indexnow",
      "name": "IndexNow protocol",
      "url": "https://www.indexnow.org/documentation"
    }
  ]
}