Office Oxide MCP Server

Rust-native MCP server for fast, local processing of Excel, Word, PowerPoint, and PDF files with reading, writing, form filling, and skill execution.

Rust-native MCP server for Office document processing (Excel, Word, PowerPoint, PDF). Sub-millisecond, local-first, open source — the "open source Aspose."

Quick Start

cargo install office-oxide-mcp

Or download the latest release.

Claude Desktop

{
  "mcpServers": {
    "office": { "command": "office-oxide-mcp", "args": ["--transport", "stdio"] }
  }
}

Cursor

{
  "mcpServers": {
    "office-oxide-mcp": { "command": "office-oxide-mcp", "args": ["--transport", "stdio"] }
  }
}

Features

AI Reading

• Read DOCX, XLSX, PPTX, PDF into JSON, Markdown, or semantic chunks
• Table extraction, image embedding, section detection
• Format-agnostic unified API

Excel Write

• Create XLSX files with formatting, charts, pivot tables
• Write cells, ranges, merge cells, conditional formatting
• Column widths, sheet management

Word Write

• Create DOCX files from Markdown
• Templates with text replacement, tables, images, headers/footers
• Comments, TOC, style management

PPT Write

• Create presentations with charts, text boxes, images
• Slide layouts, agenda slides, callout layouts
• McKinsey-quality output

PDF

• Read PDF as Markdown/JSON/text/chunks
• Fill AcroForm and XFA forms
• Overlay text at coordinates on flat PDFs
• Layout analysis for field detection
• Export to PDF from any format

Skills System

• Built-in templates: excel.table, word.report, ppt.deck
• YAML-defined skills with validation
• Custom skill registration and execution

Coherence Engine

• Cross-document entity tracking with DAG
• BFS propagation for bulk updates
• Integrity verification

Tool Overview

Tool	Description
list_formats	All supported formats + capabilities
get_document_info	File metadata (format, size, readability)
office_read	Read content → JSON / Markdown / Chunks / Text
office_fill_pdf_form	Fill AcroForm/XFA form fields
office_list_pdf_fields	List all form fields in a PDF
office_overlay_pdf_text	Text at coordinates on flat PDFs
office_analyze_pdf_layout	Layout analysis for overlay coords
office_create_xlsx	Create Excel workbooks
office_create_docx	Create Word documents
office_write_docx_from_md	Create DOCX from Markdown
office_create_pptx	Create PowerPoint presentations
skill_run / skill_list / skill_validate / skill_register	Skills System
office_propagate_edit / office_check_consistency	Coherence Engine

Performance

Operation	Python	office-oxide-mcp	Speedup
10M cell XLSX read	239s	~25s	~10×
100K cell XLSX write	1.8s	152ms	~12×
DOCX read (6K docs)	11.8ms	0.8ms	~14×
PPTX read (323 slides)	32.5ms	0.7ms	~46×
Cold start	1-5s	<50ms	~100×
Memory (idle)	42.7MB	<2MB	~20×

License

MIT OR Apache-2.0