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gws-gmail-reply skill

by googleworkspace·googleworkspace/cli·31k stars·Apache-2.0

Gmail: Reply to a message (handles threading automatically).

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Is the gws-gmail-reply skill safe?

Clean: nothing in its files matched our rules. We read 1 file in the folder on 2026-09-28.

No findings.

Install the gws-gmail-reply skill

A skill is a folder. Copy it into your agent's skills folder and the agent loads it when the task matches its description. 

git clone --depth 1 https://github.com/googleworkspace/cli.git /tmp/cli
mkdir -p ~/.claude/skills
cp -r /tmp/cli/skills/gws-gmail-reply ~/.claude/skills/gws-gmail-reply
available in every project

In the Claude apps, zip the folder and upload it from the Skills settings. The folder on GitHub

The instructions your agent would load

SKILL.md as published, without the frontmatter. Read it on GitHub

gmail +reply

PREREQUISITE: Read ../gws-shared/SKILL.md for auth, global flags, and security rules. If missing, run gws generate-skills to create it.

Reply to a message (handles threading automatically)

Usage

gws gmail +reply --message-id <ID> --body <TEXT>

Flags

Examples

gws gmail +reply --message-id 18f1a2b3c4d --body 'Thanks, got it!'
gws gmail +reply --message-id 18f1a2b3c4d --body 'Looping in Carol' --cc carol@example.com
gws gmail +reply --message-id 18f1a2b3c4d --body 'Adding Dave' --to dave@example.com
gws gmail +reply --message-id 18f1a2b3c4d --body '<b>Bold reply</b>' --html
gws gmail +reply --message-id 18f1a2b3c4d --body 'Updated version' -a updated.docx
gws gmail +reply --message-id 18f1a2b3c4d --body 'Draft reply' --draft

Tips

  • 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 (, , , etc.) — no / 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 — Global flags and auth
  • gws-gmail — All send, read, and manage email commands

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