Convert unstructured business documents (PDF, DOCX, invoices, contracts, payroll sheets) into structured, LLM-ready datasets with automatic classification, field extraction, PII masking, and quality scoring. **6 async tools:** - `process_document` — submit document for processing - `get_job_status` — poll until complete - `get_extraction_result` — read structured fields + quality grade - `build_dataset` — package records into a named dataset - `export_dataset` — download as