SVGMaker MCP Server

import { Server } from '@modelcontextprotocol/sdk/server/index.js'; import { TextContent, RequestMeta } from '@modelcontextprotocol/sdk/types.js'; import { z } from 'zod'; import { zodToJsonSchema } from 'zod-to-json-schema'; import * as svgmakerService from '../services/svgmakerService.js'; import * as fileUtils from '../utils/fileUtils.js'; import { logToFile } from '../utils/logUtils.js'; import { ProgressManager } from '../utils/progressUtils.js'; const ConvertToolInputSchema = z.object({ input_path: z .string() .min(1, 'Input path cannot be empty.') .describe( 'Absolute path to the existing image file to be converted to SVG format. Supports various bitmap formats including PNG, JPEG, GIF, BMP, TIFF, and WebP. Example: "/Users/username/Pictures/photo.jpg"' ), output_path: z .string() .min(1, 'Output path cannot be empty.') .describe( 'Absolute file path where the generated SVG will be saved. Must include the .svg extension. The resulting file will be a vector representation optimized for scalability. Example: "/Users/username/Documents/vector-art.svg"' ), }); export const convertToolDefinition = { name: 'svgmaker_convert', description: 'Converts an image file to SVG format using SVGMaker API and saves it to a specified local path. Supports various image formats including PNG, JPEG, and other common bitmap formats. The resulting SVG will be a vector representation of the original image, optimized for scalability and compatibility with vector graphics tools.', inputSchema: zodToJsonSchema(ConvertToolInputSchema), }; export async function handleConvertTool( server: Server, request: { params: { name: string; _meta?: RequestMeta; arguments?: any } } ) { const { arguments: args } = request.params; // Log that the tool is being called logToFile('========== SVG CONVERT TOOL CALLED =========='); logToFile(`Arguments: ${JSON.stringify(args, null, 2)}`); logToFile(`Request meta: ${JSON.stringify(request.params._meta, null, 2)}`); try { const validatedArgs = ConvertToolInputSchema.parse(args); // Note: In a real implementation, we'd need to get roots from the client // For now, we'll use a simple path validation const clientRoots: any[] = []; // server.getRoots() is not available in this SDK version const validatedInputPath = await fileUtils.resolveAndValidatePath( validatedArgs.input_path, clientRoots, 'read' ); const validatedOutputPath = await fileUtils.resolveAndValidatePath( validatedArgs.output_path, clientRoots, 'write' ); // Read the input file const inputImage = await fileUtils.readFileToBuffer(validatedInputPath); const progressManager = new ProgressManager({ server, progressToken: request.params._meta?.progressToken, totalSteps: 4, messages: { initial: 'Initializing image conversion...', preparing: 'Preparing image for conversion...', processing: 'Converting image to SVG...', saving: 'Saving SVG file...', complete: 'Image conversion complete!', }, }); // Send initial progress await progressManager.sendInitialProgress(); try { const sdkParams = { file: inputImage, svgText: true, }; // Update progress: preparing request await progressManager.sendPreparingProgress(); // Update progress: making API call with periodic updates await progressManager.startProcessingProgress(); let result; try { // The actual API call result = await svgmakerService.convertImageToSVG(sdkParams as any); } finally { // Clean up the progress interval progressManager.stopProcessingProgress(); } // Update progress: processing complete await progressManager.sendSavingProgress(); if (result.svgText) { await fileUtils.writeFile(validatedOutputPath, result.svgText); // Send final progress await progressManager.sendFinalProgress(); return { content: [ { type: 'text', text: `Image converted to SVG successfully: ${validatedOutputPath}`, } as TextContent, ], }; } else { throw new Error('SVGMaker API did not return SVG content.'); } } catch (error: any) { // Ensure cleanup on error progressManager.cleanup(); throw error; } } catch (error: any) { return { isError: true, content: [ { type: 'text', text: `Error converting image to SVG: ${error.message}`, } as TextContent, ], }; } }