Watchtowers

Every trip fires a bell notification with the change summary, deep-linked to the agent's run history. Watchtower alerts have their own toggle under Settings → Preferences → Notifications so you can silence them without touching your other agent notifications.

A Watchtower doesn't need any steps — the alert itself is the product. The templates ship notify-only so a trip just rings the bell with what changed. Want more? Open the agent in the Designer and add steps like any other Theo Agent: email you the details, post to Slack, append a row to a sheet, or hand off to another agent. The trigger payload carries the change summary so downstream steps can use it.

If you get the Daily Morning Brief, a Watchtowers overnightsection digests everything your Watchtowers spotted since yesterday morning — so an overnight pricing change is waiting in your inbox at 8 AM.

Phrases like these all compile straight into a live Watchtower:

• “Watch acme.com/pricingand alert me when the plans change”
• “Tell me when new articles about my product show up”
• “Watch cell B2 in my Q3 budget sheet and ping me when it goes over 10,000”

Theo confirms the created Watchtower with a card showing exactly what it's watching and how often. It starts active immediately — the first check baselines, and you'll hear about the first real change.

• Page watching accepts https://URLs on the public web only — internal/private addresses are rejected up front.
• Change summaries use a small AI pass only AFTER a real change is detected — quiet checks never spend credits.
• Sheet conditions fire on false→true transitions only, so a threshold that stays crossed alerts once, not every 30 minutes.
• Pause any Watchtower with the toggle on its row in the Watchtowers section — state is kept, so resuming compares against the last thing it saw.