Automatically reply to Gmail messages with full threading and recipient management.
Handles message threading automatically by setting In-Reply-To, References, and threadId headers; quotes the original message in the reply Supports plain text and HTML reply bodies, with optional file attachments (multiple files via repeated --attach flags) Allows adding extra recipients via --to, --cc, and --bcc flags, or sending from an alias with --from Includes --dry-run mode to preview the request before sending, and --html flag for formatted replies with CSS styling
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Automatically sets In-Reply-To, References, and threadId headers.
Quotes the original message in the reply body.
--to adds extra recipients to the To field.
Use -a/--attach to add file attachments. Can be specified multiple times.
With --html, the quoted block uses Gmail's gmail_quote CSS classes and preserves HTML formatting. Use fragment tags (<p>, <b>, <a>, etc.) — no <html>/<body> wrapper needed.
With --html, inline images in the quoted message are preserved via cid: references.
Use --draft to save the reply as a draft instead of sending it immediately.
For reply-all, use +reply-all instead.
See Also
[gws-shared](../gws-shared/SKILL.md) — Global flags and auth
[gws-gmail](../gws-gmail/SKILL.md) — All send, read, and manage email commands