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Slack Custom MCP

Connect Slack to Custom MCP

Send Slack users, messages and channels to Custom MCP on a schedule. Refresh as often as every 15 minutes.

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Custom MCP

Which Slack projects have the most overdue tasks, and who owns them?

Querying the Slack data set in Coupler.io
Any MCP-compatible AI client queries your Slack data through the Coupler.io MCP server. Access is read-only.
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Bac 50
Benzinga
Matterport

How to connect Slack and Custom MCP

4 steps. You can preview the Slack data in Coupler.io before anything reaches Custom MCP.

Step 1 of 4

Connect Slack

Sign in to Slack and authorize Coupler.io. There's no API key to copy.

Sign in with Slack

Step 2 of 4

Choose what to export

Pick the Slack data you want in Custom MCP.

Search query (messages)Not setEnter text or Slack search modifiers to filter your data. This field is required to export messages.

Step 3 of 4

Connect Custom MCP

Click Generate token, then add the token and the Coupler.io MCP server URL to your MCP client's JSON config.

Data set to shareUsersThe data view MCP clients can read
MCP server URLhttps://mcp.coupler.io/mcpProvided by Coupler.io in the destination step
Personal access token••••••••••••Sent as a Bearer token. Keep it private

Step 4 of 4

Set a schedule

Custom MCP sees the data as of the last run. Run it as often as every 15 minutes.

Build this flow for free

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Get the most of Slack to Custom MCP integration

Gather data icon

Gather data

Export data from numerous apps and sources into a single destination. Blend data from different apps to get a single source of truth.
Understand data icon

Understand data

Preview, transform, sort, and filter data for better clarity in just a few clicks in the Coupler.io interface. Take your data analytics to the next level.
Automate data icon

Automate data

Access data that is always up to date by enabling the automatic data refresh on a schedule as often as every 15 minutes and using triggered automation.
Act on data icon

Act on data

Visualize your data by quickly connecting to data visualization and BI tools. Build insightful dashboards in a breeze and make better decisions.
Slack to Custom MCP questions

3 data types, including Users, Messages and Channels.

You sign in to Slack and authorize Coupler.io. There's no API key to copy.

Any MCP-compatible client. Connect it with the Coupler.io server URL and token, and it can query the Slack data assigned to it.

No. The data stays in Coupler.io, and the client queries it read-only. It can't edit or delete Slack rows.

On a schedule you choose, from monthly down to every 15 minutes, depending on your Coupler.io plan.

Yes. Add more sources to the same data flow, for example ClickUp or Airtable, and join or append them before the data reaches Custom MCP.

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