dagster-slack
A Slack client resource for posting to Slack
Decision gist · record as of 2026-08-14
Yes, if you run Dagster pipelines and want to integrate Slack notifications. The package has low install friction, active maintenance, permissive licensing, and no known vulnerabilities. It's a straightforward wrapper around slack-sdk that fills a common need for pipeline observability. Install it only if you have a Slack workspace and need to send notifications from your Dagster workflows.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires a Slack workspace and a bot token (xoxb-...) to authenticate with the Slack API.
- Low friction install with two runtime dependencies (dagster and slack-sdk).
- Package is actively maintained with a release on 2026-08-14, and the parent Dagster project shows strong community engagement with 15996 GitHub stars.
License · maintenance · safety
Apache-2.0 (permissive) — Apache-2.0 licensed, a permissive open-source license that allows commercial use, modification, and distribution with minimal restrictions.
last release 2026-08-14 (0 days) · last repo commit 2026-08-13 · 15,996 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 3,609,209 downloads/mo, #2,559 on PyPI
Alternatives
Verify before relying
pip install dagster-slack
from dagster_slack import SlackResource
from dagster import asset, define_asset_job
@asset
def my_asset():
return "data"
slack_resource = SlackResource(token="xoxb-...")
# Use in Dagster ops/assets to send Slack messages- Specific Slack message formatting or template capabilities beyond basic posting.
- Whether the resource supports threaded messages, file uploads, or rich formatting.
- Error handling and retry behavior when Slack API calls fail.
What it is and what it does
dagster-slack is a Dagster integration that wraps the Slack SDK to enable data pipelines to send notifications and messages to Slack. It provides a resource that can be used within Dagster assets and ops to post alerts, status updates, or data summaries directly to Slack channels, making it easy to integrate Slack notifications into your orchestrated data workflows.
The package is part of the broader Dagster ecosystem and depends on both dagster and slack-sdk. It's designed for teams running Dagster pipelines who want to notify stakeholders via Slack when assets complete, fail, or reach certain conditions. The integration is actively maintained and supports Python 3.10 through 3.14.
Use it for
- Send Slack alerts when a Dagster asset fails or completes successfully in production.
- Post data quality check results to a Slack channel for team visibility.
- Notify stakeholders when a critical data pipeline reaches a specific milestone.
- Log pipeline execution summaries to Slack for monitoring and debugging.
- Integrate Slack notifications into multi-step data workflows for real-time team communication.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you run Dagster pipelines and want to integrate Slack notifications.
The package has low install friction, active maintenance, permissive licensing, and no known vulnerabilities. It's a straightforward wrapper around slack-sdk that fills a common need for pipeline observability. Install it only if you have a Slack workspace and need to send notifications from your Dagster workflows.
Install
dagster-slack on PyPI
Before you install
Low friction install with two runtime dependencies (dagster and slack-sdk). Package is actively maintained with a release on 2026-08-14, and the parent Dagster project shows strong community engagement with 15996 GitHub stars.
Requires a Slack workspace and a bot token (xoxb-...) to authenticate with the Slack API.
License in practice
Apache-2.0 licensed, a permissive open-source license that allows commercial use, modification, and distribution with minimal restrictions.
Quickstart
pip install dagster-slack
from dagster_slack import SlackResource
from dagster import asset, define_asset_job
@asset
def my_asset():
return "data"
slack_resource = SlackResource(token="xoxb-...")
# Use in Dagster ops/assets to send Slack messagesVerify before relying
- Specific Slack message formatting or template capabilities beyond basic posting.
- Whether the resource supports threaded messages, file uploads, or rich formatting.
- Error handling and retry behavior when Slack API calls fail.
Package facts
| License | Apache-2.0 permissive |
| Python support | Supports the current Python release <3.15,>=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 2 packagesdagsterslack-sdk |
| Maintenance | Actively maintained 0 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 3,609,209 / month, #2,559 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
Evidence: dagster_slack-0.29.18-py3-none-any.whl
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See also dagster-msteams · dagster · dagster-aws · dagster-webserver · dagster-graphql · dagster-cloud-cli · dagster-rest-resources · dagster-shared · dagster-dg-cli · dagit