**English** | [日本語](./README.ja.md) An MCP (Model Context Protocol) server specialized in **deciphering PDF internal structures**. While typical PDF MCP servers are thin wrappers for text extraction, this project focuses on **reading and analyzing the internal structure** of PDF documents. Pair it with [pdf-spec-mcp](https://github.com/shuji-bonji/pdf-spec-mcp) for specification-aware structural analysis and validation.