`slack_list_channels`

Pack: slack_connect · Endpoint: https://gateway.pipeworx.io/slack_connect/mcp

List channels in the Slack workspace. Returns channel names, IDs, and metadata.

Parameters

Name	Type	Required	Description
`limit`	number	no	Max number of channels to return (default 100, max 1000)
`cursor`	string	no	Pagination cursor for next page of results
`types`	string	no	Comma-separated channel types: public_channel, private_channel, mpim, im (default “public_channel”)

Example call

Arguments

{
  "limit": 50
}

curl

curl -X POST https://gateway.pipeworx.io/slack_connect/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"slack_list_channels","arguments":{"limit":50}}}'

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('slack_list_channels', {
  "limit": 50
});

More examples

{
  "limit": 100,
  "types": "public_channel,private_channel"
}

Response shape

Field	Type	Description
`ok`	boolean	Whether the API call succeeded
`channels`	array	List of channel objects
`response_metadata`	object	Pagination metadata
`error`	string	Error code if API call failed
`message`	string	Error message or connection message

Full JSON Schema

{
  "type": "object",
  "properties": {
    "ok": {
      "type": "boolean",
      "description": "Whether the API call succeeded"
    },
    "channels": {
      "type": "array",
      "description": "List of channel objects",
      "items": {
        "type": "object",
        "properties": {
          "id": {
            "type": "string",
            "description": "Channel ID"
          },
          "name": {
            "type": "string",
            "description": "Channel name"
          },
          "is_channel": {
            "type": "boolean",
            "description": "Whether this is a channel"
          },
          "created": {
            "type": "number",
            "description": "Unix timestamp of channel creation"
          },
          "creator": {
            "type": "string",
            "description": "User ID of channel creator"
          },
          "is_member": {
            "type": "boolean",
            "description": "Whether the bot is a member"
          },
          "is_private": {
            "type": "boolean",
            "description": "Whether the channel is private"
          },
          "is_mpim": {
            "type": "boolean",
            "description": "Whether this is a multi-person IM"
          }
        }
      }
    },
    "response_metadata": {
      "type": "object",
      "description": "Pagination metadata",
      "properties": {
        "next_cursor": {
          "type": "string",
          "description": "Cursor for next page of results"
        }
      }
    },
    "error": {
      "type": "string",
      "description": "Error code if API call failed"
    },
    "message": {
      "type": "string",
      "description": "Error message or connection message"
    }
  }
}

Connect

Add this to your MCP client config, or use one-click install buttons:

{
  "mcpServers": {
    "slack_connect": {
      "url": "https://gateway.pipeworx.io/slack_connect/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

slack_list_channels