assembl·auaha·hapai·caption composer

caption composer

platform-native captions · bring your own key · all generations stay local to your browser
public hapai · voice work

Turn a launch, update, or offer into platform-native captions without leaving the assembl visual world. Choose the channel, set the tone, and keep the draft work local.

LinkedIn · Instagram · X · Facebook · bring your own Anthropic key
assembl Manaaki share card artwork
platform
tone
length
hashtag count
Anthropic api key
your key is stored in localStorage only. assembl never receives your key or content.
no key saved

variants

waiting for source content
your captions will land here.
built in aotearoa · founder note

Kate Hudson, founder · assembl

assembl builds specialist agent workflows with human review and evidence packs. caption composer is a small public tool from that portfolio: practical, portable, and honest about where the work happens.