> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mightynetworks.com/llms.txt
> Use this file to discover all available pages before exploring further.

# updateArtifact

> Update an existing artifact's title, summary, or HTML body. Creates a new
version, marks the previous row replaced, and posts a fresh preview card into
the chat. Only supplied fields change; omitted fields carry over.