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Similar images

  • Type image.similar
  • Group MZBase
  • Role action
  • Risk reads only
  • Side effect safe to repeat
  • Runs once per item
  • Needs media

Finds near-identical images with a perceptual hash

Also available to AI agents and over MCP as a tool.

source

Source · string · required · default binary · one of binary, media

Where the input file comes from: the item’s file (binary), a media library item, or a URL.

binaryProperty

File field · string · optional · default data

Shown when source is binary.

mediaId

Media · string · optional

Shown when source is media.

operation

Operation · string · optional · default hash · one of hash, compare, findDuplicates

Get a fingerprint (hash), compare two images, or find duplicates among the items.

otherSource

Other image from · string · optional · default binary · one of binary, media

Shown when operation is compare.

otherBinaryProperty

Other image property · string · optional · default data

Shown when otherSource is binary.

otherMediaId

Other image (media) · string · optional

Shown when otherSource is media.

algorithm

Algorithm · string · optional · default phash · one of dhash, phash

maxDistance

Max difference · integer · optional · default 8 · range 0 – 64

Largest difference still counted as the same picture.

mediaFolder

Media folder · string · optional

Shown when operation is findDuplicates.

into

Into field · string · optional · default image

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