Document Processing GitHub Repositories (2026) · Open Source Tools

PdfCraft: An open-source PDF reader and editor written from scratch in pure Rust

MCP server that lets Claude Code and other AI agents read and search large PDFs, one file or a whole folder: agentic RAG with hybrid semantic + keyword search, selective page reads, tables, images, OCR, chart data, and multi-column/CJK layouts.

PDF craft can convert PDF files into various other formats. This project will focus on processing PDF files of scanned books.

A fast, helpful, and open-source document parser

Extract structured data and insights from documents using LLMs and decision models

Pure Rust PDF library for AI/RAG: structure-aware chunking, no ML, no C deps.