VERSION=0.1.0  # replace this with the git tag of the version you need
git clone https://github.com/TheAcharya/MarkersExtractor.git
cd MarkersExtractor
git checkout "tags/$VERSION"
swift build -c release

$ markers-extractor-cli --help
OVERVIEW: Tool to extract markers from Final Cut Pro FCPXML(D).

https://github.com/TheAcharya/MarkersExtractor

USAGE: markers-extractor-cli [<options>] <fcpxml-path> <output-dir>

ARGUMENTS:
  <fcpxml-path>           Input FCPXML file / FCPXMLD bundle.
  <output-dir>            Output directory.

OPTIONS:
  --export-format <airtable, notion>
                          Metadata export format. (default: notion)
  --enable-subframes      Enable output of timecode subframes.
  --image-format <png, jpg, gif>
                          Marker thumb image format. 'gif' is animated and
                          additional options can be specified with --gif-fps
                          and --gif-span. (default: png)
  --image-quality <0...100>
                          Image quality percent for JPG. (default: 100)
  --image-width <w>       Limit image width keeping aspect ratio.
  --image-height <h>      Limit image height keeping aspect ratio.
  --image-size-percent <1...100>
                          Limit image size to % keeping aspect ratio. (default
                          for GIF: 50)
  --gif-fps <0.1...60.0>  GIF frame rate. (default: 10.0)
  --gif-span <sec>        GIF capture span around marker. (default: 2.0)
  --id-naming-mode <projectTimecode, name, notes>
                          Marker naming mode. This affects Marker IDs and image
                          filenames. (default: projectTimecode)
  --include-outside-clip-boundaries
                          Include markers that are outside the bounds of a
                          clip. Also suppresses related log messages.
  --exclude-exclusive-roles <video, audio>
                          Exclude markers that have specified role type but
                          only if the opposite role type is absent.
  --label <id, name, type, checked, status, notes, position, clipName, clipDuration, videoRole, audioRole, eventName, projectName, libraryName, iconImage, imageFileName>
                          Label to overlay on thumb images. This argument can
                          be supplied more than once to apply multiple labels.
  --label-copyright <text>
                          Copyright label. Will be appended after other labels.
  --label-font <name>     Font for image labels. (default: Menlo-Regular)
  --label-font-size <pt>  Maximum font size for image labels, font size is
                          automatically reduced to fit all labels. (default: 30)
  --label-opacity <0...100>
                          Label opacity percent (default: 100)
  --label-font-color <#RRGGBB / #RGB>
                          Label font color (default: #FFF)
  --label-stroke-color <#RRGGBB / #RGB>
                          Label stroke color (default: #000)
  --label-stroke-width <w>
                          Label stroke width, 0 to disable. (default: auto)
  --label-align-horizontal <left, center, right>
                          Horizontal alignment of image labels. (default: left)
  --label-align-vertical <top, center, bottom>
                          Vertical alignment of image labels. (default: top)
  --label-hide-names      Hide names of image labels.
  --create-done-file      Create a file in output directory on successful
                          export. The filename can be customized using
                          --done-filename.
  --done-filename <done.json>
                          Done file filename. Has no effect unless
                          --create-done-file flag is also supplied. (default:
                          done.json)
  --log <log>             Log file path.
  --log-level <trace, debug, info, notice, warning, error, critical>
                          Log level. (default: info)
  --quiet                 Disable log.
  --media-search-path <media-search-path>
                          Media search path. This argument can be supplied more
                          than once to use multiple paths. (default: same
                          folder as fcpxml(d))
  --version               Show the version.
  -h, --help              Show help information.

// swift-tools-version: 5.6
import PackageDescription

let package = Package(
  name: "MyPackage",
  dependencies: [
    .package(
        url: "https://github.com/TheAcharya/MarkersExtractor.git",
        from: "0.1.0"
    )
  ],
  targets: [
    .target(
      name: "MyTarget",
      dependencies: [
        .product(name: "MarkersExtractor", package: "MarkersExtractor")
      ]
    )
  ]
)