Summarize messages marked for follow-up
Use a reaction as your reminder and get a ready-to-review follow-up brief.
Trigger
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Action
Create Message
Tool to create a new message completion. use when you need to generate assistant text given a conversation history.
Why this helps
Messages marked with a reaction still require remembering what to do next.
- Capture context at the moment of intent
- Create consistent follow-up briefs
- Lower memory load
Setup
Build it in a few focused steps.
- 1Connect Slackbot and Anthropic administrator once in the Notis portal.
- 2Create an automation named Reaction follow-up summary.
- 3Describe that a reacted message should be summarized with a recommended next action and missing context.
- 4Pick Message Reaction Added as the trigger.
- 5Choose the report destination and test with one reacted message.
Questions about this workflow
Can this use a specific emoji?
The Slack trigger supports optional filtering by emoji name when you select the trigger.
What if the message lacks enough context?
The generated brief should identify what information is missing.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slackbot to Anthropic administrator. A trigger fires from one place; an action lands in another.
Slackbot triggers
Anthropic administrator actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Create Message
Tool to create a new message completion. use when you need to generate assistant text given a conversation history.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Get Model
Tool to retrieve details of a specific model by its id. use after confirming the model id is valid.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
List models
Tool to list available models. use when you need to see which models are available before selection.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Prompt Caching
Tool to cache and reuse prompt content to reduce costs and latency. use after you have static prompt portions you intend to reuse across calls.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.
Connect any two apps with Notis in the middle.
Slackbot and Anthropic administrator, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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