Follow up on a Slack market signal with Hacker News
Mark a signal for research and receive relevant Hacker News posts in a concise report.
Trigger
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Action
Search Hackernews Posts
Get relevant posts from hacker news based on a full-text query and optional filters. results can be limited using the size parameter.
Why this helps
Signals worth investigating can be easy to lose among daily Slack messages and founder decisions.
- Mark a message for research in the flow of conversation.
- Search relevant public discussions around the signal.
- Make a potential follow-up easier to revisit.
Setup
Build it in a few focused steps.
- 1Connect Slack and Hackernews to Notis once through the portal.
- 2Create the automation through the portal or ask Notis in plain language.
- 3In a single instruction, ask Notis to search Hacker News for a market signal's key terms when your chosen reaction is added to the Slack message.
- 4Select Message Reaction Added and choose the report channel.
- 5Test on one Slack message with a clear market topic and add the chosen reaction.
Questions about this workflow
Which reaction should start the search?
Choose a reaction that your team can remember, then name it in the plain-language instruction.
What topics can be searched?
The workflow can search for terms present in the message. Write the instruction to use the signal's subject as the query.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Hackernews. A trigger fires from one place; an action lands in another.
Slack triggers
Hackernews actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Get Hackernews Frontpage
Get the frontpage posts of hacker news.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Get Hackernews Item
Get a specific item from hacker news using its id. limits response size to prevent context overflow.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Get Latest Hackernews Posts
Get the latest posts from hacker news based on optional filters. results can be limited using the size parameter.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Get Hackernews Today Posts
Get today's posts from hacker news.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Get Hackernews User
Get a specific user from hacker news using their username.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Search Hackernews Posts
Get relevant posts from hacker news based on a full-text query and optional filters. results can be limited using the size parameter.
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.
Slack and Hackernews, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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