Creating EmDash plugins Build against the API that reaches the intended execution mode. Source types and production-boundary tests take precedence over examples in this skill when they disagree. Choose a format | Format | Runtime source | Admin UI | Distribution | | --------- | --------------------------------------------------- | --------------------------------------------------------- | ---------------------------- | | Sandboxed | default-exports a | Block Kit pages, widgets, saved-entry panels, and actions | Plugin CLI and registry | | Native | / | React, Block Kit, and Astro components |…