Doubao Image/Video Generation MCP Server

/** * 豆包图片生成工具 * API 文档: https://www.volcengine.com/docs/82379/1541523 */ interface GenerateImageOptions { prompt: string; model?: string; size?: string; image_url?: string; ref_image_urls?: string[]; req_key?: string; endpoint_id?: string; // 推理接入点 ID watermark?: boolean; // 是否添加水印，默认 false } interface ImageData { url: string; size?: string; } interface ImageGenerationResponse { model?: string; created?: number; data?: ImageData[]; usage?: { generated_images?: number; output_tokens?: number; total_tokens?: number; }; error?: { code: string; message: string; param?: string; type?: string; }; } const BASE_URL = "https://ark.cn-beijing.volces.com/api/v3"; export async function generateImage( apiKey: string, options: GenerateImageOptions ): Promise<ImageGenerationResponse> { const { prompt, model, endpoint_id, size = "2560x1440", image_url, ref_image_urls, req_key, watermark = false, // 默认不加水印 } = options; // 优先使用 endpoint_id，如果没有则使用 model const modelOrEndpoint = endpoint_id || model || "doubao-seedream-4-5"; // 构建请求体 const requestBody: Record<string, any> = { model: modelOrEndpoint, prompt, size, watermark, // 添加水印参数 }; // 添加可选参数 if (image_url) { requestBody.image_url = image_url; } if (ref_image_urls && ref_image_urls.length > 0) { requestBody.ref_image_urls = ref_image_urls; } if (req_key) { requestBody.req_key = req_key; } try { const response = await fetch(`${BASE_URL}/images/generations`, { method: "POST", headers: { "Content-Type": "application/json", Authorization: `Bearer ${apiKey}`, }, body: JSON.stringify(requestBody), }); const result: ImageGenerationResponse = await response.json(); // 检查是否有错误 if (result.error) { throw new Error( `图片生成失败: ${result.error.message || "未知错误"}` ); } // 检查 HTTP 状态码 if (!response.ok) { throw new Error(`HTTP 错误: ${response.statusText}`); } return result; } catch (error) { throw new Error( `图片生成请求失败: ${error instanceof Error ? error.message : String(error)}` ); } }