List Channels

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "number",
      "description": "Max channels (1-1000)"
    },
    "exclude_archived": {
      "type": "boolean",
      "description": "Exclude archived channels"
    },
    "types": {
      "type": "string",
      "description": "Channel types: public_channel, private_channel, mpim, im"
    },
    "end_user_id": {
      "type": "string",
      "description": "End-user ID for per-user OAuth token resolution"
    }
  },
  "description": "Input schema for the slack:list-channels tool."
}