{
  "$comment": "RFC 9727 API catalog as an RFC 9264 linkset (application/linkset+json). Points machine clients at the API description (OpenAPI), human/agent docs (llms.txt, quickstart), and the other discovery surfaces. Link relations per RFC 8631 (service-desc/service-doc/service-meta).",
  "linkset": [
    {
      "anchor": "https://sendfax.sh/api/v1",
      "service-desc": [
        { "href": "https://sendfax.sh/openapi.json", "type": "application/openapi+json", "title": "SendFax.sh OpenAPI 3.1 spec" }
      ],
      "service-doc": [
        { "href": "https://sendfax.sh/llms.txt", "type": "text/plain", "title": "llms.txt index" },
        { "href": "https://sendfax.sh/llms-full.txt", "type": "text/plain", "title": "Full reference" },
        { "href": "https://sendfax.sh/quickstart.md", "type": "text/markdown", "title": "Quickstart" },
        { "href": "https://sendfax.sh/auth.md", "type": "text/markdown", "title": "Authentication" },
        { "href": "https://sendfax.sh/SKILL.md", "type": "text/markdown", "title": "Agent skill" }
      ],
      "service-meta": [
        { "href": "https://sendfax.sh/.well-known/agent-card.json", "type": "application/json", "title": "A2A agent card" },
        { "href": "https://sendfax.sh/.well-known/ai-plugin.json", "type": "application/json", "title": "Plugin manifest" },
        { "href": "https://sendfax.sh/.well-known/mcp/server-card.json", "type": "application/json", "title": "MCP capability card (planned)" },
        { "href": "https://sendfax.sh/.well-known/ucp", "type": "application/json", "title": "UCP product profile" }
      ]
    }
  ]
}