Antigravity-awesome-skills gmail-automation

Lightweight Gmail integration with standalone OAuth authentication. No MCP server required.

install

source · Clone the upstream repo

git clone https://github.com/sickn33/antigravity-awesome-skills

Claude Code · Install into ~/.claude/skills/

T=$(mktemp -d) && git clone --depth=1 https://github.com/sickn33/antigravity-awesome-skills "$T" && mkdir -p ~/.claude/skills && cp -r "$T/plugins/antigravity-awesome-skills/skills/gmail-automation" ~/.claude/skills/sickn33-antigravity-awesome-skills-gmail-automation-3e5819 && rm -rf "$T"

manifest: plugins/antigravity-awesome-skills/skills/gmail-automation/SKILL.md

Gmail

Lightweight Gmail integration with standalone OAuth authentication. No MCP server required.

⚠️ Requires Google Workspace account. Personal Gmail accounts are not supported.

When to Use

You need to search, read, or send Gmail messages from the command line without an MCP server.
You are automating inbox workflows for a Google Workspace account.
You want a lightweight Gmail integration backed by standalone OAuth scripts.

First-Time Setup

Authenticate with Google (opens browser):

python scripts/auth.py login

Check authentication status:

python scripts/auth.py status

Logout when needed:

python scripts/auth.py logout

Commands

All operations via

scripts/gmail.py

. Auto-authenticates on first use if not logged in.

Search Emails

# Search with Gmail query syntax
python scripts/gmail.py search "from:someone@example.com is:unread"

# Search recent emails (no query returns all)
python scripts/gmail.py search --limit 20

# Filter by label
python scripts/gmail.py search --label INBOX --limit 10

# Include spam and trash
python scripts/gmail.py search "subject:important" --include-spam-trash

Read Email Content

# Get full message content
python scripts/gmail.py get MESSAGE_ID

# Get just metadata (headers)
python scripts/gmail.py get MESSAGE_ID --format metadata

# Get minimal response (IDs only)
python scripts/gmail.py get MESSAGE_ID --format minimal

Send Emails

# Send a simple email
python scripts/gmail.py send --to "user@example.com" --subject "Hello" --body "Message body"

# Send with CC and BCC
python scripts/gmail.py send --to "user@example.com" --cc "cc@example.com" --bcc "bcc@example.com" \
  --subject "Team Update" --body "Update message"

# Send from an alias (must be configured in Gmail settings)
python scripts/gmail.py send --to "user@example.com" --subject "Hello" --body "Message" \
  --from "Mile9 Accounts <accounts@mile9.io>"

# Send HTML email
python scripts/gmail.py send --to "user@example.com" --subject "HTML Email" \
  --body "<h1>Hello</h1><p>HTML content</p>" --html

Draft Management

# Create a draft
python scripts/gmail.py create-draft --to "user@example.com" --subject "Draft Subject" \
  --body "Draft content"

# Send an existing draft
python scripts/gmail.py send-draft DRAFT_ID

Modify Messages (Labels)

# Mark as read (remove UNREAD label)
python scripts/gmail.py modify MESSAGE_ID --remove-label UNREAD

# Mark as unread
python scripts/gmail.py modify MESSAGE_ID --add-label UNREAD

# Archive (remove from INBOX)
python scripts/gmail.py modify MESSAGE_ID --remove-label INBOX

# Star a message
python scripts/gmail.py modify MESSAGE_ID --add-label STARRED

# Unstar a message
python scripts/gmail.py modify MESSAGE_ID --remove-label STARRED

# Mark as important
python scripts/gmail.py modify MESSAGE_ID --add-label IMPORTANT

# Multiple label changes at once
python scripts/gmail.py modify MESSAGE_ID --remove-label UNREAD --add-label STARRED

List Labels

# List all Gmail labels (system and user-created)
python scripts/gmail.py list-labels

Gmail Query Syntax

Gmail supports powerful search operators:

Query	Description
`from:user@example.com`	Emails from a specific sender
`to:user@example.com`	Emails to a specific recipient
`subject:meeting`	Emails with "meeting" in subject
`is:unread`	Unread emails
`is:starred`	Starred emails
`is:important`	Important emails
`has:attachment`	Emails with attachments
`after:2024/01/01`	Emails after a date
`before:2024/12/31`	Emails before a date
`newer_than:7d`	Emails from last 7 days
`older_than:1m`	Emails older than 1 month
`label:work`	Emails with a specific label
`in:inbox`	Emails in inbox
`in:sent`	Sent emails
`in:trash`	Trashed emails

Combine with AND (space), OR, or - (NOT):

python scripts/gmail.py search "from:boss@company.com is:unread newer_than:1d"
python scripts/gmail.py search "subject:urgent OR subject:important"
python scripts/gmail.py search "from:newsletter@example.com -is:starred"

Common Label IDs

Label	ID
Inbox	`INBOX`
Sent	`SENT`
Drafts	`DRAFT`
Spam	`SPAM`
Trash	`TRASH`
Starred	`STARRED`
Important	`IMPORTANT`
Unread	`UNREAD`

Token Management

Tokens stored securely using the system keyring:

macOS: Keychain
Windows: Windows Credential Locker
Linux: Secret Service API (GNOME Keyring, KDE Wallet, etc.)

Service name:

gmail-skill-oauth

Tokens automatically refresh when expired using Google's cloud function.

Limitations

Use this skill only when the task clearly matches the scope described above.
Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.