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Imessage

Send and receive iMessages/SMS via the imsg CLI on macOS.

Skill metadata


Source	Bundled (installed by default)
Path	`skills/apple/imessage`
Version	`1.0.0`
Author	Hermes Agent
License	MIT
Platforms	macos
Tags	`iMessage`, `SMS`, `messaging`, `macOS`, `Apple`

Reference: full SKILL.md

ℹ️ Info

The following is the complete skill definition that Hermes loads when this skill is triggered. This is what the agent sees as instructions when the skill is active.

iMessage

Use imsg to read and send iMessage/SMS via macOS Messages.app.

Prerequisites

macOS with Messages.app signed in
Install: brew install steipete/tap/imsg
Grant Full Disk Access for terminal (System Settings → Privacy → Full Disk Access)
Grant Automation permission for Messages.app when prompted

When to Use

User asks to send an iMessage or text message
Reading iMessage conversation history
Checking recent Messages.app chats
Sending to phone numbers or Apple IDs

When NOT to Use

Telegram/Discord/Slack/WhatsApp messages → use the appropriate gateway channel
Group chat management (adding/removing members) → not supported
Bulk/mass messaging → always confirm with user first

Quick Reference

List Chats

imsg chats --limit 10 --json

View History

# By chat ID
imsg history --chat-id 1 --limit 20 --json

# With attachments info
imsg history --chat-id 1 --limit 20 --attachments --json

Send Messages

# Text only
imsg send --to "+14155551212" --text "Hello!"

# With attachment
imsg send --to "+14155551212" --text "Check this out" --file /path/to/image.jpg

# Force iMessage or SMS
imsg send --to "+14155551212" --text "Hi" --service imessage
imsg send --to "+14155551212" --text "Hi" --service sms

Watch for New Messages

imsg watch --chat-id 1 --attachments

Service Options

--service imessage — Force iMessage (requires recipient has iMessage)
--service sms — Force SMS (green bubble)
--service auto — Let Messages.app decide (default)

Rules

Always confirm recipient and message content before sending
Never send to unknown numbers without explicit user approval
Verify file paths exist before attaching
Don't spam — rate-limit yourself

Example Workflow

User: "Text mom that I'll be late"

# 1. Find mom's chat
imsg chats --limit 20 --json | jq '.[] | select(.displayName | contains("Mom"))'

# 2. Confirm with user: "Found Mom at +1555123456. Send 'I'll be late' via iMessage?"

# 3. Send after confirmation
imsg send --to "+1555123456" --text "I'll be late"