{
  "source": "Metkagram",
  "source_url": "https://metkagram.github.io",
  "source_repository": "https://github.com/metkagram/metkagram.github.io",
  "creator": "Metkagram",
  "creator_url": "https://github.com/metkagram",
  "maintainer": "Applied Systems Lab at MetalHatsCats",
  "maintainer_url": "https://metalhatscats.com",
  "license": "CC BY-NC 4.0",
  "license_url": "https://creativecommons.org/licenses/by-nc/4.0/",
  "attribution_required": true,
  "attribution_text": "Source: Metkagram — https://metkagram.github.io/",
  "attribution_html": "Source: <a href=\"https://metkagram.github.io/\">Metkagram</a>",
  "terms_url": "https://metkagram.github.io/en/legal/terms/",
  "privacy_url": "https://metkagram.github.io/en/legal/privacy/",
  "contact_url": "https://metalhatscats.com/contact",
  "collaboration_url": "https://metkagram.github.io/en/ai/#collaborate",
  "dataset_version": "1.0.0+20260715",
  "release_date": "2026-07-15",
  "schema_version": 1,
  "datasets": [
    {
      "id": "patterns",
      "title": "Advanced patterns",
      "description": "Reusable B2–C1 English and German grammar patterns with Russian translations.",
      "count": 1036,
      "download_url": "https://metkagram.github.io/api/v1/download/full-patterns.json",
      "api_url": "https://metkagram.github.io/api/v1/patterns.json",
      "schema_url": "https://metkagram.github.io/api/v1/schemas/pattern.json"
    },
    {
      "id": "sets",
      "title": "Study sets",
      "description": "Named study sets and learning paths.",
      "count": 20,
      "api_url": "https://metkagram.github.io/api/v1/sets.json",
      "schema_url": "https://metkagram.github.io/api/v1/schemas/set.json"
    },
    {
      "id": "annotations",
      "title": "Annotated documents",
      "description": "Sentence-first annotated English and German documents.",
      "count": 2240,
      "api_url": "https://metkagram.github.io/api/v1/annotations/en/dialogues.json",
      "schema_url": "https://metkagram.github.io/api/v1/schemas/document.json"
    }
  ]
}