action jellyfin_get_attachment { label: "Get video attachment." provider: jellyfin method: GET path: "/Videos/{videoId}/{mediaSourceId}/Attachments/{index}" encoding: json input: { type: "object" properties: { index: { type: "integer" format: "int32" description: "Attachment Index." } mediaSourceId: { type: "string" description: "Media Source ID." } videoId: { type: "string" format: "uuid" description: "Video ID." } } required: ["index", "mediaSourceId", "videoId"] additionalProperties: false } output: { type: "object" additionalProperties: true } }