PDF Reader MCP Server

// Vex validation schemas for PDF reading import { array, bool, description, gte, type InferOutput, int, min, num, object, optional, str, union, } from '@sylphx/vex'; // Schema for page specification (array of numbers or range string) export const pageSpecifierSchema = union(array(num(int, gte(1))), str(min(1))); // Schema for a single PDF source (path or URL) // Note: XOR validation (path OR url, not both) is done in the handler export const pdfSourceSchema = object({ path: optional( str(min(1), description('Path to the local PDF file (absolute or relative to cwd).')) ), url: optional(str(min(1), description('URL of the PDF file.'))), pages: optional(pageSpecifierSchema), }); // Schema for the read_pdf tool arguments export const readPdfArgsSchema = object({ sources: array(pdfSourceSchema), include_full_text: optional( bool( description( "Include the full text content of each PDF (only if 'pages' is not specified for that source)." ) ) ), include_metadata: optional(bool(description('Include metadata and info objects for each PDF.'))), include_page_count: optional( bool(description('Include the total number of pages for each PDF.')) ), include_images: optional( bool( description('Extract and include embedded images from the PDF pages as base64-encoded data.') ) ), }); export type ReadPdfArgs = InferOutput<typeof readPdfArgsSchema>; export type PdfSource = InferOutput<typeof pdfSourceSchema>;