resize_image
Resize image files to specified height and width using methods like fit, scale, cover, or thumb. Save output to a designated path for efficient image processing.
Instructions
Resize an image file
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| height | Yes | The height to resize the image to | |
| imagePath | Yes | The ABSOLUTE path to the image file to resize | |
| method | No | The method describes the way your image will be resized. | fit |
| outputPath | No | The ABSOLUTE path to save the resized image file | |
| width | Yes | The width to resize the image to |
Implementation Reference
- src/tools.ts:280-299 (handler)MCP tool handler for 'resize_image' that invokes the resize logic and returns a success response.
resize_image: async (request) => { await handleResizeImageTool( request.params.arguments as { imagePath: string; outputPath?: string; width: number; height: number; method: 'scale' | 'fit' | 'cover' | 'thumb'; }, ); return { content: [ { type: 'text', text: 'Image resized successfully', }, ], metadata: {}, }; }, - src/tools.ts:79-115 (schema)Tool schema definition for 'resize_image', including input schema with properties for image path, dimensions, resize method, and output path.
const RESIZE_IMAGE_TOOL: Tool = { name: 'resize_image', description: 'Resize an image file', inputSchema: { type: 'object', properties: { imagePath: { type: 'string', description: 'The ABSOLUTE path to the image file to resize', example: '/Users/user/Downloads/image.jpg', }, outputPath: { type: 'string', description: 'The ABSOLUTE path to save the resized image file', example: '/Users/user/Downloads/image_thumbnail.jpg', }, method: { type: 'string', description: 'The method describes the way your image will be resized.', enum: ['scale', 'fit', 'cover', 'thumb'], default: 'fit', example: 'fit', }, width: { type: 'number', description: 'The width to resize the image to', example: 1024, }, height: { type: 'number', description: 'The height to resize the image to', example: 1024, }, }, required: ['imagePath', 'width', 'height'], }, }; - src/tools.ts:117-117 (registration)Registration of the 'resize_image' tool in the exported TOOLS array for MCP tool discovery.
export const TOOLS = [COMPRESS_LOCAL_IMAGE_TOOL, COMPRESS_REMOTE_IMAGE_TOOL, RESIZE_IMAGE_TOOL]; - src/tools.ts:213-241 (helper)Helper function implementing the core resize logic using the tinify library to resize the image to specified dimensions.
async function handleResizeImageTool({ imagePath, outputPath, width, height, method, }: { imagePath: string; outputPath?: string; width: number; height: number; method?: 'scale' | 'fit' | 'cover' | 'thumb'; }) { const source = tinify.fromFile(imagePath); const resized = source.resize({ method: method || 'fit', width, height, }); let dest = outputPath; if (!dest) { const dir = path.dirname(imagePath); const basename = path.basename(imagePath, path.extname(imagePath)); const ext = path.extname(imagePath).slice(1); dest = path.join(dir, `${basename}_${width}x${height}.${ext}`); } await resized.toFile(dest); }