Apparently, at one time, there was a directory of core-blocks for building Gutenberg templates on GitHub, but I'm not finding it anywhere. I talking about core/paragraph, etc.

    array( 'core/paragraph', array(
        'placeholder' => 'Content goes here',
    ) ),
    array( 'core/image', array(



1 Answer 1


The core blocks appear to be defined in the Gutenberg repository on Github, in the block-library package here: https://github.com/WordPress/gutenberg/tree/master/packages/block-library/src.

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