Cache repeated context from a Slack channel
Reuse stable project context instead of sending the same material repeatedly.
Trigger
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Action
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.
Why this helps
Long recurring context increases cost and slows down repeated AI requests.
- Reduce repeated prompt overhead
- Improve response latency
- Create a reusable context baseline
Setup
Build it in a few focused steps.
- 1Connect Slackbot and Anthropic administrator once in the Notis portal.
- 2Create an automation named Reusable channel context cache.
- 3Describe that stable reference content in a channel message should be prepared for prompt caching and separated from changing details.
- 4Pick Channel Message Received as the trigger.
- 5Choose a report channel and test with one stable reference message.
Questions about this workflow
Should every message be cached?
No. Instruct Notis to cache only stable reference material that will be reused.
Can changing updates be included?
Ask the workflow to keep volatile updates outside the cached portion.
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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