ComfyUI MCP Server

import { existsSync } from 'fs'; export function validateWorkflowJSON(workflow: any): boolean { if (typeof workflow !== 'object' || workflow === null) { return false; } // Check if it has nodes if (Object.keys(workflow).length === 0) { return false; } // Validate each node has required fields for (const node of Object.values(workflow)) { if (typeof node !== 'object' || node === null) { return false; } const typedNode = node as any; if (!typedNode.class_type || !typedNode.inputs) { return false; } } return true; } export function validateFilePath(path: string): boolean { return existsSync(path); } export function validateImageFormat(filename: string): boolean { const validExtensions = ['.png', '.jpg', '.jpeg', '.webp', '.bmp']; const ext = filename.toLowerCase().substring(filename.lastIndexOf('.')); return validExtensions.includes(ext); } export function validateWorkflowName(name: string): boolean { return /^[a-zA-Z0-9_-]+$/.test(name); } export function sanitizeFilename(filename: string): string { return filename.replace(/[^a-zA-Z0-9_.-]/g, '_'); } export function isPositivePromptNode(node: any): boolean { if (node.class_type !== 'CLIPTextEncode') return false; const title = node._meta?.title?.toLowerCase() || ''; return title.includes('positive') || title === 'clip text encode (positive prompt)'; } export function isNegativePromptNode(node: any): boolean { if (node.class_type !== 'CLIPTextEncode') return false; const title = node._meta?.title?.toLowerCase() || ''; return title.includes('negative') || title === 'clip text encode (negative prompt)'; } export function isSamplerNode(node: any): boolean { return ['KSampler', 'KSamplerAdvanced', 'SamplerCustom'].includes(node.class_type); } export function isImageLoaderNode(node: any): boolean { return ['LoadImage', 'LoadImageMask'].includes(node.class_type); } export function isModelLoaderNode(node: any): boolean { return ['CheckpointLoaderSimple', 'UNETLoader', 'CheckpointLoader'].includes(node.class_type); } export function isVAELoaderNode(node: any): boolean { return node.class_type === 'VAELoader'; }