Nano Banana MCP Server

/** * Type definitions for Nano Banana MCP Server */ // Model names export const MODELS = { NANO_BANANA: "gemini-2.5-flash-image", NANO_BANANA_PRO: "gemini-3-pro-image-preview", } as const; export type ModelName = (typeof MODELS)[keyof typeof MODELS]; // Aspect ratios supported by the API export const ASPECT_RATIOS = [ "1:1", "2:3", "3:2", "3:4", "4:3", "4:5", "5:4", "9:16", "16:9", "21:9", ] as const; export type AspectRatio = (typeof ASPECT_RATIOS)[number]; // Image resolutions (only for Nano Banana Pro) export const RESOLUTIONS = ["1K", "2K", "4K"] as const; export type Resolution = (typeof RESOLUTIONS)[number]; // Response format enum export enum ResponseFormat { MARKDOWN = "markdown", JSON = "json", } // Gemini API request types export interface GeminiContent { parts: GeminiPart[]; role?: "user" | "model"; } export interface GeminiPart { text?: string; inline_data?: { mime_type: string; data: string; }; } export interface ImageConfig { aspectRatio?: AspectRatio; imageSize?: Resolution; } export interface GenerationConfig { responseModalities?: string[]; imageConfig?: ImageConfig; } export interface GeminiRequest { contents: GeminiContent[]; generationConfig?: GenerationConfig; tools?: Array<{ google_search?: Record<string, unknown> }>; } // Gemini API response types export interface GeminiResponsePart { text?: string; inlineData?: { mimeType: string; data: string; }; thought?: boolean; thought_signature?: string; } export interface GeminiCandidate { content: { parts: GeminiResponsePart[]; role: string; }; finishReason: string; } export interface GeminiResponse { candidates?: GeminiCandidate[]; error?: { code: number; message: string; status: string; }; } // Tool output types export interface GenerateImageOutput { success: boolean; model: string; prompt: string; imageData?: string; mimeType?: string; text?: string; error?: string; } export interface EditImageOutput { success: boolean; model: string; prompt: string; imageData?: string; mimeType?: string; text?: string; error?: string; } export interface ModelInfo { id: string; name: string; description: string; features: string[]; maxResolution?: string; } export interface ListModelsOutput { models: ModelInfo[]; } // API client configuration export interface ApiClientConfig { apiKey: string; baseUrl?: string; }