Agent mail Link Preview for Slack
Give a shared link enough context that people can decide whether to open it.
Trigger
New Email Received
Trigger for new emails in an AgentMail inbox
Action
Customize URL unfurl
Customizes url previews (unfurling) in a specific slack message using a url-encoded json in `unfurls` to define custom content or remove existing previews.
Why this helps
A bare link in Slack forces a founder to open the destination before knowing whether it is the invoice, contract, or reference they need.
- Put supplied decision context beside the link
- Target the exact existing Slack message
- Avoid claiming a preview exists when no valid URL or payload is supplied
Setup
Build it in a few focused steps.
- 1Connect Agent mail and Slack.
- 2Describe which supplied email URL is primary and provide the approved preview content.
- 3Select New Email Received and choose the run-report channel.
- 4Test with one existing Slack message and one authorized URL.
Questions about this workflow
Can this preview every link in an email?
The prompt can specify one or more supplied URLs, but each target must be valid and authorized.
Does Notis fetch a destination that was not supplied?
No. The workflow uses the supplied URL and preview payload only.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Agent mail to Slack. A trigger fires from one place; an action lands in another.
Agent mail triggers
Slack actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Set snooze duration
Deprecated: turns on do not disturb mode for the current user, or changes its duration. use `set dnd duration` instead.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Add a custom emoji to a Slack team
Deprecated: adds a custom emoji to a slack workspace given a unique name and an image url. use `add emoji` instead.
New Email Received
Trigger for new emails in an AgentMail inbox
Add an emoji alias
Adds an alias for an existing custom emoji in a slack enterprise grid organization.
Add a remote file
Adds a reference to an external file (e.g., google drive, dropbox) to slack for discovery and sharing, requiring a unique `external id` and an `external url` accessible by slack.
Add a star to an item
Stars a channel, file, file comment, or a specific message in slack.
Add call participants
Registers new participants added to a slack call.
Add emoji
Adds a custom emoji to a slack workspace given a unique name and an image url; subject to workspace emoji limits.
Add reaction to message
Adds a specified emoji reaction to an existing message in a slack channel, identified by its timestamp; does not remove or retrieve reactions.
Connect any two apps with Notis in the middle.
Agent mail and Slack, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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