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Install Migma in your Slack workspace, link your account, then message Migma in a direct message or mention @Migma in a channel. You can import a brand, design emails, set up a sending domain, import an audience, create a campaign, and send or schedule it from the same thread.
Migma and Slack logos above a prompt that says @Migma prepare our launch email

Migma for Slack illustration

Migma for Slack is in beta and rolling out. Some workspaces may not have access yet.

Before you start

You need:
  • A Migma account
  • Permission to install apps in your Slack workspace
  • A Slack workspace where you can invite and mention apps
The Migma app is installed once per workspace. Each teammate links their own Migma account before using it.

Connect Migma in five steps

1

Open the Slack integration

In Migma, open Settings → Integrations, find Slack under Chat, then select it.You can also add Migma to Slack directly.
Migma Settings showing the Slack integration under Chat

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2

Choose a workspace and approve access

Select the correct Slack workspace, review the requested permissions, then select Allow.Migma needs access to read messages that mention the bot, reply in threads, and upload preview files. If your workspace restricts app installations, a Slack owner may need to approve it first.
Slack permission screen for adding Migma to a workspace

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3

Message Migma in Slack

In a direct message to Migma, send a request without an @ mention. In a channel where Migma is present, mention @Migma, for example:
Your first message returns a Connect Migma button. Select it to link your personal Migma account.Workspaces that installed Migma before direct-message support may need to reinstall the app once so Migma can receive DMs.
Slack thread showing a Connect Migma button after the first mention

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4

Link your Migma account

Sign in to Migma if needed, confirm the account shown, then select Continue with Slack.This links your verified Slack identity to your Migma account. Never paste a Migma API key into Slack.
Migma account-link screen with a Continue with Slack button

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5

Return to Slack and send the request again

Return to the channel and mention @Migma again. The request that opened the connection flow is not resumed automatically.Migma replies in a thread with previews, links, and next steps. Use Open in Migma to continue editing or download HTML. You can also finish domain setup, imports, and sends in the thread.
Slack thread with three email previews and an Open in Migma button

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What the connection allows

After the workflow-tools release, new account links approve access to Migma email, audience, campaign, domain, webhook and billing tools. Sending or scheduling requires a send summary and your confirmation in chat. Contact deletion and external changes also require approval. Billing checkouts are opened and completed by you. Existing links keep their original scopes; disconnect and reconnect to review broader access.
In channels, Migma processes messages that mention the bot. In a direct message, every message goes to Migma. Unrelated channel messages are not sent into the Migma reply flow. When Migma needs a choice, such as which segment to target, it shows answer buttons. Tapping a button is the same as typing the answer. Only the person who asked can respond to those buttons.

Approve sends in chat

Before Migma sends or schedules a campaign, it posts a summary with the subject, audience, recipient count, sender, send time, and an inbox rendering score. Confirm with Send or Cancel, or reply in the thread. You approve every send. If you change the campaign after the summary appears, Migma shows a new summary before anything goes out. Migma posts in the same chat when a domain finishes connecting, an import finishes, or a send completes. Ask for opens and clicks when you want campaign results.

What you can ask

Talk to Migma in plain language: You can also attach a screenshot and say @Migma make an email like this for Stripe. Example thread:

Channels, threads, and brands

  • In channels, mention @Migma for each new request. In a direct message, send your request without a mention.
  • Keep follow-up edits in the same thread so Migma has the right context.
  • Invite Migma to a private channel before mentioning it there.
  • Name another brand or paste its website when you want to switch brands.
When you name a brand, Migma checks your existing brands first. If none match, it asks for a website and imports it.

Disconnect

Say @Migma disconnect, or revoke the key named for your Slack workspace under Migma Settings → Developers → API Keys. After disconnecting, Migma asks you to link your account again on your next mention.

Audience exports and connected tools

After the release with these workflow tools is available, ask: Export unsubscribed contacts for my brand as CSV. The bot uses the shared Migma MCP catalog, starts an export, and checks the job for a private download link. Large exports may still be processing when a reply arrives; ask it to check status in the same thread. For store or CRM workflows, the bot discovers tools enabled on that brand and reads their argument schemas before calling them. Existing server permissions and approval settings still apply. Tools requiring dashboard approval remain blocked in chat until you review the tool’s permissions in Migma. A CSV export does not synchronize Shopify. Shopify storefront tools do not include customer marketing-consent updates; synchronization needs a connected tool with that access. The bot must report unsupported operations and provider failures instead of claiming completion.

Troubleshooting

I cannot install the app

Your Slack workspace may require owner approval. Ask a workspace owner to approve Migma, then restart the install. See Slack’s guide to adding apps.

Migma does not reply

Check that:
  • Migma is installed in the current workspace.
  • Migma is a member of the channel.
  • In a channel, your message includes the exact @Migma mention (not required in a DM).
  • You are testing in a thread or channel where apps can post.

The Connect Migma button does not appear again

The bot limits repeated connection prompts. Wait up to one hour, then mention @Migma again.

I linked my account, but my request did not run

Return to Slack and send the mention again. The original connection request is not resumed after linking. Disconnect, link again, then retry the mention. If the problem continues, contact Migma support with your Slack workspace name and approximate time of the failed request.

Build your own Slack app

Want a private bot or a custom workflow? Use Agent Auth, the SDK, the API, or run Migma through OpenClaw.

Agent Auth

Give a custom Slack app scoped access for each Migma user.

OpenClaw

Run Migma in Slack, WhatsApp, Telegram, and Discord through OpenClaw.

SDK

Prepare series, fetch HTML, and read preview URLs from your own code.

API reference

Build custom Migma workflows with the public API.
Last modified on October 2, 2026