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GitHub + Slack: PR notifications you actually want.

Post GitHub PR, issue, and release events to Slack channels with custom routing, formatting, and review-reminder automation. More flexible than GitHub's default Slack app.

Connect GitHub and SlackSee reverse direction
Trigger app
GitHub as the trigger

Workflows fire when something happens in GitHub.

Action app
Slack as the action

Workflows do something in Slack, instantly.

See all 45 actions →
Both directions

Pick the way that fits your stack.

Pair pages are mirrored. Each direction gets its own dedicated page.

GitHub → Slack

When something happens in GitHub, do it in Slack.

1 GitHub triggers wired to 45 Slack actions. Most-used pairing: New GitHub Event → Add Reaction.

Slack → GitHub

Or fire it the other way around.

13 Slack triggers wired to 23 GitHub actions downstream.

See Slack → GitHub →
Popular pairings

Common GitHub → Slack workflows.

Pick a pairing to set it up in two minutes. Each one is a fully editable recipe.

Showing 4 of 45 combinations
When new github event in GitHub, add reaction in Slack.

Fires when the selected events occur on a GitHub repository. One webhook is registered per workflow on the chosen repo, with the events list filtered server-side by GitHub. Pick from push, pull_request, issues, release, deployment, and many others.

When new github event in GitHub, raw api request in Slack.

Fires when the selected events occur on a GitHub repository. One webhook is registered per workflow on the chosen repo, with the events list filtered server-side by GitHub. Pick from push, pull_request, issues, release, deployment, and many others.

When new github event in GitHub, archive channel in Slack.

Fires when the selected events occur on a GitHub repository. One webhook is registered per workflow on the chosen repo, with the events list filtered server-side by GitHub. Pick from push, pull_request, issues, release, deployment, and many others.

When new github event in GitHub, cancel scheduled message in Slack.

Fires when the selected events occur on a GitHub repository. One webhook is registered per workflow on the chosen repo, with the events list filtered server-side by GitHub. Pick from push, pull_request, issues, release, deployment, and many others.

How it works

Connect GitHub and Slack in five steps.

No code, no glue, no half-day setup. Each step is one click.

  1. 1
    Connect
    Authorize GitHub and Slack

    Open Tiny Command, authorize GitHub and Slack once each. Both connections are available to every workflow on your account.

  2. 2
    Trigger
    Pick a GitHub trigger

    Drop the GitHub → New GitHub Event trigger onto the canvas. Tiny Command auto-registers the webhook.

    POST /v1/webhooks/github.trigger-event
  3. 3
    Transform
    Add a filter or AI step

    Optionally add a Filter node ("subject contains URGENT") or an AI step ("classify intent") between trigger and action.

  4. 4
    Action
    Add the Slack action

    Drop the Slack → Add Reaction action below it. Map fields from the GitHub payload into the Slack inputs.

    slack.add-reaction
  5. 5
    Publish
    Publish and forget

    Hit Publish. Tiny Command runs it in production from second one. Watch the run-log fill up.

FAQ

Questions about GitHub + Slack.

Why use a custom GitHub + Slack workflow over the GitHub Slack app?
GitHub's app gives basic per-repo notifications. Custom workflows let you route by repo + label, batch into digests, AI-summarize PRs, post review reminders on stale PRs, etc.
How do I post a Slack message when a GitHub PR needs review?
GitHub PR Review Requested → look up reviewer's Slack ID (via email lookup) → Slack Send DM with PR title, author, and link. Faster than waiting for email.
Can I post a daily Slack digest of open GitHub PRs?
Yes. Scheduled 9am: GitHub Search Issues for "is:open is:pr" → format as bullet list by author → Slack Send Message to #engineering. Daily review-queue checkpoint.
How do I escalate stale GitHub PRs in Slack?
Scheduled daily: GitHub Search "is:open is:pr updated:<7d" → for each, Slack DM the author and assignee. Or post to a #stale-prs channel for engineering manager visibility.
Can I AI-summarize a GitHub PR in the Slack message?
Yes. Insert Claude/OpenAI step between trigger and Slack Send Message. Summarize the diff in 1 sentence. Lets reviewers prioritize PRs based on what they actually do, not just titles.
How do I avoid Slack noise on every GitHub commit?
Filter triggers to significant events (PR opened, merged, release published). Skip per-commit. Aggregate into hourly or daily digests for low-priority signal.
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Wire GitHub to Slack in 2 minutes.

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