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Gmail + Slack: inbox-to-channel and back.

Post Gmail messages to Slack channels, send Gmail from Slack interactions, or AI-summarize an inbox into Slack digests.

Trigger app
Slack as the trigger

Workflows fire when something happens in Slack.

See all 13 triggers →
Action app
Gmail as the action

Workflows do something in Gmail, instantly.

See all 27 actions →
Both directions

Pick the way that fits your stack.

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

SlackGmail

When something happens in Slack, do it in Gmail.

13 Slack triggers wired to 27 Gmail actions. Most-used pairing: App Home OpenedAdd Labels to Message.

GmailSlack

Or fire it the other way around.

1 Gmail triggers wired to 45 Slack actions downstream.

See GmailSlack
Popular pairings

Common Slack → Gmail workflows.

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

Showing 9 of 351 combinations
When app home opened in Slack, add labels to message in Gmail.

Fires when a user opens your Slack app's Home tab or DM. Useful for refreshing the Home view, lazy-loading user-specific data, or tracking app engagement.

When app home opened in Slack, create draft in Gmail.

Fires when a user opens your Slack app's Home tab or DM. Useful for refreshing the Home view, lazy-loading user-specific data, or tracking app engagement.

When app home opened in Slack, create label in Gmail.

Fires when a user opens your Slack app's Home tab or DM. Useful for refreshing the Home view, lazy-loading user-specific data, or tracking app engagement.

When app home opened in Slack, delete draft in Gmail.

Fires when a user opens your Slack app's Home tab or DM. Useful for refreshing the Home view, lazy-loading user-specific data, or tracking app engagement.

When app mentioned in Slack, add labels to message in Gmail.

Fires when your Slack app is mentioned in a message. The standard hook for chatbots that answer when summoned with @your-app.

When app mentioned in Slack, create draft in Gmail.

Fires when your Slack app is mentioned in a message. The standard hook for chatbots that answer when summoned with @your-app.

When app mentioned in Slack, create label in Gmail.

Fires when your Slack app is mentioned in a message. The standard hook for chatbots that answer when summoned with @your-app.

When app mentioned in Slack, delete draft in Gmail.

Fires when your Slack app is mentioned in a message. The standard hook for chatbots that answer when summoned with @your-app.

When new channel in Slack, add labels to message in Gmail.

Fires when a new Slack channel is created in the workspace. Useful for auto-adding the bot, welcome messages, or governance audit logs.

How it works

Connect Slack and Gmail in five steps.

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

  1. 1
    Connect
    Authorize Slack and Gmail

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

  2. 2
    Trigger
    Pick a Slack trigger

    Drop the Slack → App Home Opened trigger onto the canvas. Tiny Command auto-registers the webhook.

    POST /v1/webhooks/slack.trigger-app-home-opened
  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 Gmail action

    Drop the Gmail → Add Labels to Message action below it. Map fields from the Slack payload into the Gmail inputs.

    google-gmail.add-labels
  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 Slack + Gmail.

How do I post a Gmail to Slack?
Gmail Email Received with label "@slack" → Slack Send Message in a chosen channel with sender, subject, snippet, and a Gmail link. Useful for shared support inboxes or VIP-customer mail.
Can I send a Gmail from a Slack slash command?
Yes. Slack Slash Command (/email) → parse target email and message → Gmail Send Email. Useful for community moderators or ops handling outbound mail without leaving Slack.
How do I post an AI-summarized inbox to Slack daily?
Scheduled 8am: Gmail List Messages from last 24h → Claude/OpenAI summarize as "what changed in your inbox" → Slack Send DM with the digest. Morning inbox-overview without scrolling.
Can Slack reactions trigger Gmail responses?
Yes. Post Gmail to Slack with reaction buttons. Reaction → look up the original Gmail message → Gmail Send Reply with a templated response based on which reaction was used.
How do I avoid Slack-channel noise from a busy inbox?
Filter Gmail triggers tightly (specific labels, specific senders, AI-classified importance). Aggregate via hourly or daily digests instead of per-email posts.
Can I escalate a Gmail conversation to a Slack channel?
Yes. Gmail message with label "@escalate" → Slack Send Message in #escalations with full thread context. Pull the team in to discuss without leaving chat.
Related

Other apps that pair well with Slack.


Wire Slack to Gmail in 2 minutes.

Free tier available. No credit card. No onboarding call.