Give analytics work a ClickHouse table map
Help a new investigation find its starting tables without a round of manual discovery.
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
List ClickHouse Tables
List tables in clickhouse databases. returns information about tables including their engine, size, and row count.
Why this helps
At the start of a task, teams can lose momentum while trying to learn which tables are available.
- Helps contributors orient themselves at task kickoff.
- Reduces repeated discovery work across projects.
- Makes the next schema lookup easier to target.
Setup
Build it in a few focused steps.
- 1Connect Slack and ClickHouse to Notis once through the portal.
- 2Create the automation in the portal, or describe it to Notis through a conversational channel.
- 3Use one instruction asking Notis to list relevant ClickHouse tables when an analytics task asks where its data may live.
- 4Choose Channel Message Received as the trigger and choose a channel for run reports.
- 5Test with a real analytics task that requests a data starting point.
Questions about this workflow
Can it know which tables are relevant?
Notis can use the task context and table inventory, but the prompt should ask it to be transparent when relevance is uncertain.
Can it then show table columns?
Use a table schema lookup once the team identifies a specific table.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to ClickHouse. A trigger fires from one place; an action lands in another.
Slack triggers
ClickHouse actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Execute ClickHouse Query
Execute a sql query in clickhouse and return the results. this is the primary action for querying data from clickhouse databases.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Get Database Schema
Get comprehensive schema overview of an entire database including all tables and optionally their column definitions. essential for ai agents to understand the complete database structure in a single call.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Get Table Schema
Get detailed schema information for a specific table including column definitions, types, keys, and optionally sample data. this is essential for ai agents to understand table structure before constructing queries.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
List ClickHouse Databases
List all databases in the clickhouse instance. useful for discovering available databases before querying tables.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
List ClickHouse Tables
List tables in clickhouse databases. returns information about tables including their engine, size, and row count.
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.
Slack and ClickHouse, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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