{
  "name": "get_attachment",
  "description": "Retrieve an attachment's content by ID.",
  "inputSchema": {
    "$schema": "http://json-schema.org/draft-07/schema#",
    "type": "object",
    "properties": {
      "id": {
        "type": "string",
        "description": "Attachment ID"
      }
    },
    "required": [
      "id"
    ],
    "additionalProperties": false
  }
}