Rast Creator Tools MCP

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "platform"
  ],
  "properties": {
    "width": {
      "type": "integer",
      "maximum": 20000,
      "description": "Frame width in pixels. Default 1080.",
      "exclusiveMinimum": 0
    },
    "height": {
      "type": "integer",
      "maximum": 20000,
      "description": "Frame height in pixels. Default 1920.",
      "exclusiveMinimum": 0
    },
    "platform": {
      "enum": [
        "reels",
        "tiktok",
        "shorts",
        "story",
        "all"
      ],
      "type": "string",
      "description": "Vertical video platform: 'reels' (Instagram Reels), 'tiktok', 'shorts' (YouTube Shorts), 'story' (Instagram Stories) or 'all' (the strictest margins of all four combined)."
    }
  }
}

{
  "title": "Get vertical video safe zone",
  "readOnlyHint": true,
  "openWorldHint": false,
  "idempotentHint": true,
  "destructiveHint": false
}

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "platform",
    "x",
    "y",
    "width",
    "height"
  ],
  "properties": {
    "x": {
      "type": "number",
      "description": "Left edge of the text box in pixels, measured from the left of the frame."
    },
    "y": {
      "type": "number",
      "description": "Top edge of the text box in pixels, measured from the top of the frame."
    },
    "width": {
      "type": "number",
      "description": "Text box width in pixels.",
      "exclusiveMinimum": 0
    },
    "height": {
      "type": "number",
      "description": "Text box height in pixels.",
      "exclusiveMinimum": 0
    },
    "platform": {
      "enum": [
        "reels",
        "tiktok",
        "shorts",
        "story",
        "all"
      ],
      "type": "string",
      "description": "Vertical video platform: 'reels' (Instagram Reels), 'tiktok', 'shorts' (YouTube Shorts), 'story' (Instagram Stories) or 'all' (the strictest margins of all four combined)."
    },
    "canvas_width": {
      "type": "integer",
      "maximum": 20000,
      "description": "Frame width in pixels. Default 1080.",
      "exclusiveMinimum": 0
    },
    "canvas_height": {
      "type": "integer",
      "maximum": 20000,
      "description": "Frame height in pixels. Default 1920.",
      "exclusiveMinimum": 0
    },
    "include_comment_sticker": {
      "type": "boolean",
      "description": "Reels only: also test against the comment-reply sticker band (approximately y 300-560 px on 1080x1920). Default false."
    }
  }
}

{
  "title": "Check text position against platform UI",
  "readOnlyHint": true,
  "openWorldHint": false,
  "idempotentHint": true,
  "destructiveHint": false
}

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "duration_seconds"
  ],
  "properties": {
    "fps": {
      "type": "number",
      "maximum": 240,
      "description": "Frame rate, e.g. 24, 25, 29.97, 30, 50, 60. Default 30. 48 fps and above use the high-frame-rate tables.",
      "exclusiveMinimum": 0
    },
    "platform": {
      "enum": [
        "youtube",
        "youtube_hdr",
        "vimeo",
        "instagram",
        "tiktok",
        "prores_proxy",
        "prores_lt",
        "prores_422",
        "prores_hq",
        "prores_4444",
        "prores_xq"
      ],
      "type": "string",
      "description": "Delivery target used for the reference bitrate: 'youtube', 'youtube_hdr', 'vimeo', 'instagram', 'tiktok', or a ProRes flavour ('prores_proxy', 'prores_lt', 'prores_422', 'prores_hq', 'prores_4444', 'prores_xq'). Default 'youtube'."
    },
    "audio_kbps": {
      "type": "number",
      "maximum": 5000,
      "minimum": 0,
      "description": "Audio bitrate in kbps; 0 = no audio. Default 320."
    },
    "resolution": {
      "enum": [
        "720p",
        "1080p",
        "1440p",
        "2160p",
        "dci4k"
      ],
      "type": "string",
      "description": "'720p', '1080p' (also 1080x1920 vertical), '1440p', '2160p' (4K UHD) or 'dci4k' (4096x2160). Default '1080p'."
    },
    "target_size_mb": {
      "type": "number",
      "maximum": 10000000,
      "description": "If set, calculate the maximum video bitrate that fits this file size in megabytes (1 MB = 1,000,000 bytes) instead of the file size.",
      "exclusiveMinimum": 0
    },
    "duration_seconds": {
      "type": "number",
      "maximum": 864000,
      "description": "Video length in seconds (e.g. 90 for 1:30).",
      "exclusiveMinimum": 0
    },
    "video_bitrate_mbps": {
      "type": "number",
      "maximum": 10000,
      "description": "Video bitrate in Mbps to calculate the file size with. Omit to use the platform reference value.",
      "exclusiveMinimum": 0
    }
  }
}

{
  "title": "Calculate video bitrate and file size",
  "readOnlyHint": true,
  "openWorldHint": false,
  "idempotentHint": true,
  "destructiveHint": false
}

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "srt_text"
  ],
  "properties": {
    "fps": {
      "type": "number",
      "maximum": 240,
      "description": "Video frame rate used for the minimum gap. Default 25.",
      "exclusiveMinimum": 0
    },
    "preset": {
      "enum": [
        "netflix",
        "vertical",
        "children"
      ],
      "type": "string",
      "description": "Rule set: 'netflix' (42 chars/line, 2 lines, 17-20 CPS, 0.83-7 s; default), 'vertical' (short-form vertical video: 32 chars/line, 2 lines, 17-20 CPS, 1-5 s) or 'children' (42 chars/line, 13-17 CPS)."
    },
    "srt_text": {
      "type": "string",
      "maxLength": 200000,
      "minLength": 1,
      "description": "Full text of the .srt or .vtt file."
    },
    "min_gap_frames": {
      "type": "integer",
      "maximum": 12,
      "minimum": 0,
      "description": "Minimum gap between subtitles in frames. Default 2."
    },
    "include_fixed_srt": {
      "type": "boolean",
      "description": "Also return a corrected SRT (encoding fixed, overlaps trimmed, long single lines split, short subtitles extended). Default false."
    }
  }
}

{
  "title": "Validate SRT or WebVTT subtitles",
  "readOnlyHint": true,
  "openWorldHint": false,
  "idempotentHint": true,
  "destructiveHint": false
}

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "platform"
  ],
  "properties": {
    "platform": {
      "enum": [
        "youtube",
        "youtube_hdr",
        "vimeo",
        "instagram_reels",
        "tiktok",
        "prores_master"
      ],
      "type": "string",
      "description": "'youtube', 'youtube_hdr', 'vimeo', 'instagram_reels', 'tiktok' or 'prores_master'."
    },
    "resolution": {
      "enum": [
        "1080p",
        "4k"
      ],
      "type": "string",
      "description": "'1080p' (default) or '4k'."
    },
    "orientation": {
      "enum": [
        "vertical",
        "horizontal"
      ],
      "type": "string",
      "description": "'vertical' 9:16 (default) or 'horizontal' 16:9; changes the frame size given."
    }
  }
}

{
  "title": "Recommended video export settings",
  "readOnlyHint": true,
  "openWorldHint": false,
  "idempotentHint": true,
  "destructiveHint": false
}