Mark a Slack message for Devin investigation
Add one reaction to signal that a repository question needs a grounded investigation.
Trigger
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Action
Ask question
Ask any question about a GitHub repository and get an AI-powered, context-grounded response. Args: repoName: GitHub repository or list of repositories (max 10) in owner/repo format question: The question to ask about the repository
Why this helps
Important technical follow-ups are acknowledged in Slack but forgotten after the thread moves on.
- Create a clear investigation signal
- Avoid copying messages between tools
- Preserve the original Slack context
Setup
Build it in a few focused steps.
- 1Connect Slackbot and Devin MCP once in Notis.
- 2Create an automation for reaction-marked technical questions.
- 3Describe the outcome: ask Devin to investigate the reacted message and summarize findings for the team.
- 4Pick Message Reaction Added as the trigger and choose a report channel.
- 5Test by reacting to one real technical message.
Questions about this workflow
Can the workflow react to any emoji?
The Slack trigger supports optional channel and emoji filtering configured by the trigger.
What if the message lacks a repository name?
Tell Notis to ask for the repository name or report that the repository is missing.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slackbot to Devin MCP. A trigger fires from one place; an action lands in another.
Slackbot triggers
Devin MCP actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Ask question
Ask any question about a GitHub repository and get an AI-powered, context-grounded response. Args: repoName: GitHub repository or list of repositories (max 10) in owner/repo format question: The question to ask about the repository
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
List available repos
List all repositories available to query with your Devin account. Only available in private mode (via devin.ai endpoints).
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Read wiki contents
View documentation about a GitHub repository. Args: repoName: GitHub repository in owner/repo format (e.g. "facebook/react")
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Read wiki structure
Get a list of documentation topics for a GitHub repository. Args: repoName: GitHub repository in owner/repo format (e.g. "facebook/react")
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 Devin MCP, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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