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MCP server

list_slack_channels

The channels of the Slack workspace connected to this website (archived ones left out), to pick one for a Slack automation: id, name, isPrivate, isMember (the app is in it) and members.

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List Slack channels · Read-only

The channels of the Slack workspace connected to this website (archived ones left out), to pick one for a Slack automation: id, name, isPrivate, isMember (the app is in it) and members. The app can post to any public channel, member or not; a private channel only appears here once someone invites the app to it (/invite in Slack). Returns an error when Slack is not connected. Free.

ConnectionAccount URL, team member URL or OAuth

Parameters

ParameterTypeRequiredAcceptsDescription
websiteIdstringYesanyWebsite ID from list_websites.

Tool definition

What your assistant receives from tools/list:

{
  "name": "list_slack_channels",
  "title": "List Slack channels",
  "annotations": {
    "title": "List Slack channels",
    "readOnlyHint": true,
    "destructiveHint": false,
    "idempotentHint": true,
    "openWorldHint": false
  },
  "inputSchema": {
    "type": "object",
    "properties": {
      "websiteId": {
        "type": "string",
        "description": "Website ID from list_websites."
      }
    },
    "required": [
      "websiteId"
    ]
  }
}

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