che-word-mcp

A Swift-native MCP (Model Context Protocol) server for Microsoft Word document (.docx) manipulation. This is the first Swift OOXML library that directly manipulates Office Open XML without any third-party Word dependencies.

中文說明

Features

• Pure Swift Implementation: No Node.js, Python, or external runtime required
• Direct OOXML Manipulation: Works directly with XML, no Microsoft Word installation needed
• Single Binary: Just one executable file
• 146 MCP Tools: Comprehensive document manipulation capabilities
• Dual-Mode Access: Direct Mode (read-only, one step) and Session Mode (full lifecycle)
• Complete OOXML Support: Full support for tables, styles, images, headers/footers, comments, footnotes, and more
• Cross-platform: Works on macOS (and potentially other platforms supporting Swift)

Version History

Version	Date	Changes
v1.16.0	2026-03-10	Dual-Mode: 15 read-only tools now support source_path (Direct Mode); MCP server instructions added
v1.15.2	2026-03-07	Improve list_all_formatted_text tool description for better LLM parameter handling
v1.15.1	2026-03-01	Fix heading heuristic style fallback (resolve fontSize from style inheritance chain)
v1.15.0	2026-03-01	Practical Mode: EMF→PNG auto-conversion + heading heuristic for style-less documents
v1.14.0	2026-03-01	Embed word-to-md-swift library: no external macdoc binary needed, restore doc_id support
v1.13.0	2026-03-01	Upgrade ooxml-swift to v0.5.0: parallel multi-core parsing (~0.64s for large docs)
v1.12.1	2026-03-01	Upgrade ooxml-swift to v0.4.0: large document performance fix (>30s → ~2.3s)
v1.12.0	2026-02-28	export_markdown uses source_path only, removes doc_id, adds lock file check
v1.11.1	2026-02-28	Fix export_markdown stdout mode (pipe fsync issue)
v1.11.0	2026-02-28	export_markdown delegates to macdoc CLI; removed word-to-md-swift dependency
v1.9.0	2026-02-28	export_markdown upgraded to use word-to-md-swift for high-quality output (145 total)
v1.8.0	2026-02-03	Remove hard diff limit, add max_results & heading_styles params to compare_documents
v1.7.0	2026-02-03	Add compare_documents tool for server-side document diff (105 total)
v1.2.1	2026-01-16	Fix MCP SDK compatibility (actor→class, add capabilities)
v1.2.0	2026-01-16	Add 12 new tools (95 total): search, hyperlinks, bookmarks, footnotes, endnotes, revisions, properties
v1.1.0	2026-01-16	Fix MCPB manifest.json format for Claude Desktop
v1.0.0	2026-01-16	Initial release with 83 tools, refactored to use ooxml-swift

Installation

Option 1: Download from Release (Recommended)

Download the latest release from GitHub Releases:

• CheWordMCP - Universal Binary (arm64 + x86_64)
• che-word-mcp.mcpb - MCPB package

# Download and install
curl -L https://github.com/kiki830621/che-word-mcp/releases/latest/download/CheWordMCP -o ~/bin/CheWordMCP
chmod +x ~/bin/CheWordMCP

Option 2: Build from Source

Prerequisites

• macOS 13.0+ (Ventura or later)
• Swift 5.9+

git clone https://github.com/kiki830621/che-word-mcp.git
cd che-word-mcp
swift build -c release

The binary will be located at .build/release/CheWordMCP

Add to Claude Code

claude mcp add che-word-mcp /path/to/che-word-mcp/.build/release/CheWordMCP

Add to Claude Desktop

Edit ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "che-word-mcp": {
      "command": "/path/to/che-word-mcp/.build/release/CheWordMCP"
    }
  }
}

Two Modes of Operation

Direct Mode (source_path) — Read-only, no state

Pass a file path directly. No need to call open_document first. Best for quick inspection.

# Just pass source_path — one step
list_images: { "source_path": "/path/to/file.docx" }
search_text: { "source_path": "/path/to/file.docx", "query": "keyword" }
get_document_info: { "source_path": "/path/to/file.docx" }

18 tools support Direct Mode:

Category	Tools
Read content	get_text, get_document_text, get_paragraphs, get_document_info, search_text
List elements	list_images, list_styles, get_tables, list_comments, list_hyperlinks, list_bookmarks, list_footnotes, list_endnotes, get_revisions
Properties	get_document_properties, get_section_properties, get_word_count_by_section
Export	export_markdown

Session Mode (doc_id) — Full read/write lifecycle

Call open_document first, then use doc_id for all subsequent operations. Required for editing.

open_document: { "path": "/path/to/file.docx", "doc_id": "mydoc" }
insert_paragraph: { "doc_id": "mydoc", "text": "Hello World" }
save_document: { "doc_id": "mydoc", "path": "/path/to/output.docx" }
close_document: { "doc_id": "mydoc" }

Dual-mode tools accept both source_path and doc_id. If you already have a document open, use doc_id to avoid re-reading from disk.

Usage with AI Agents

Just ask the agent

Use che-word-mcp to read all images from ~/Documents/report.docx

The agent will automatically use Direct Mode (no need to open/close).

AGENTS.md / CLAUDE.md

## Word Document Manipulation

Use `che-word-mcp` for reading and writing Microsoft Word (.docx) files.

**Read-only** (Direct Mode — one step):
- `get_document_text` / `get_paragraphs` — read content
- `list_images` / `search_text` — inspect elements
- `export_markdown` — convert to Markdown

**Edit** (Session Mode — open→edit→save):
1. `open_document` → get doc_id
2. `insert_paragraph` / `replace_text` / `format_text` — modify
3. `save_document` → write to disk
4. `close_document` → release memory

Claude Code Skill

mkdir -p .claude/skills/che-word-mcp
curl -o .claude/skills/che-word-mcp/SKILL.md \
  https://raw.githubusercontent.com/kiki830621/che-word-mcp/main/skills/che-word-mcp/SKILL.md

Available Tools (83 Total)

Document Management (6 tools)

Tool	Description
create_document	Create a new Word document
open_document	Open an existing .docx file
save_document	Save document to .docx file
close_document	Close an open document
list_open_documents	List all open documents
get_document_info	Get document statistics

Content Operations (6 tools)

Tool	Description
get_text	Get plain text content
get_paragraphs	Get all paragraphs with formatting
insert_paragraph	Insert a new paragraph
update_paragraph	Update paragraph content
delete_paragraph	Delete a paragraph
replace_text	Search and replace text

Formatting (3 tools)

Tool	Description
format_text	Apply text formatting (bold, italic, color, font)
set_paragraph_format	Set paragraph formatting (alignment, spacing)
apply_style	Apply built-in or custom styles

Tables (6 tools)

Tool	Description
insert_table	Insert a table with optional data
get_tables	Get all tables information
update_cell	Update cell content
delete_table	Delete a table
merge_cells	Merge cells horizontally or vertically
set_table_style	Set table borders and shading

Style Management (4 tools)

Tool	Description
list_styles	List all available styles
create_style	Create custom style
update_style	Update style definition
delete_style	Delete custom style

Lists (3 tools)

Tool	Description
insert_bullet_list	Insert bullet list
insert_numbered_list	Insert numbered list
set_list_level	Set list indentation level

Page Setup (5 tools)

Tool	Description
set_page_size	Set page size (A4, Letter, etc.)
set_page_margins	Set page margins
set_page_orientation	Set portrait or landscape
insert_page_break	Insert page break
insert_section_break	Insert section break

Headers & Footers (5 tools)

Tool	Description
add_header	Add header content
update_header	Update header content
add_footer	Add footer content
update_footer	Update footer content
insert_page_number	Insert page number field

Images (6 tools)

Tool	Description
insert_image	Insert inline image (PNG, JPEG)
insert_floating_image	Insert floating image with text wrap
update_image	Update image properties
delete_image	Delete image
list_images	List all images
set_image_style	Set image border and effects

Export (2 tools)

Tool	Description
export_text	Export as plain text
export_markdown	Export as Markdown

Hyperlinks & Bookmarks (6 tools)

Tool	Description
insert_hyperlink	Insert external hyperlink
insert_internal_link	Insert link to bookmark
update_hyperlink	Update hyperlink
delete_hyperlink	Delete hyperlink
insert_bookmark	Insert bookmark
delete_bookmark	Delete bookmark

Comments & Revisions (10 tools)

Tool	Description
insert_comment	Insert comment
update_comment	Update comment text
delete_comment	Delete comment
list_comments	List all comments
reply_to_comment	Reply to existing comment
resolve_comment	Mark comment as resolved
enable_track_changes	Enable track changes
disable_track_changes	Disable track changes
accept_revision	Accept revision
reject_revision	Reject revision

Footnotes & Endnotes (4 tools)

Tool	Description
insert_footnote	Insert footnote
delete_footnote	Delete footnote
insert_endnote	Insert endnote
delete_endnote	Delete endnote

Field Codes (7 tools)

Tool	Description
insert_if_field	Insert IF conditional field
insert_calculation_field	Insert calculation (SUM, AVERAGE, etc.)
insert_date_field	Insert date/time field
insert_page_field	Insert page number field
insert_merge_field	Insert mail merge field
insert_sequence_field	Insert auto-numbering sequence
insert_content_control	Insert SDT content control

Repeating Sections (1 tool)

Tool	Description
insert_repeating_section	Insert repeating section (Word 2012+)

Advanced Features (9 tools)

Tool	Description
insert_toc	Insert table of contents
insert_text_field	Insert form text field
insert_checkbox	Insert form checkbox
insert_dropdown	Insert form dropdown
insert_equation	Insert math equation
set_paragraph_border	Set paragraph border
set_paragraph_shading	Set paragraph background color
set_character_spacing	Set character spacing
set_text_effect	Set text animation effect

Usage Examples

Create a Document with Headings and Text

Create a new Word document called "report" with:
- Title: "Quarterly Report"
- Heading: "Introduction"
- A paragraph explaining the report purpose
Save it to ~/Documents/report.docx

Create a Document with Table and Images

Create a document with:
- A title "Product Catalog"
- Insert an image from ~/images/logo.png
- A 4x3 table with product information
- Apply borders to the table
Save it to ~/Documents/catalog.docx

Create a Professional Report

Create a document with:
- Custom page margins (1 inch all around)
- A header with company name
- A footer with page numbers
- Table of contents
- Multiple sections with headings
- Footnotes for references
Save it as ~/Documents/annual_report.docx

Technical Details

OOXML Structure

The server generates valid Office Open XML documents with complete structure:

document.docx (ZIP)
├── [Content_Types].xml
├── _rels/
│   └── .rels
├── word/
│   ├── document.xml      # Main content
│   ├── styles.xml        # Style definitions
│   ├── settings.xml      # Document settings
│   ├── fontTable.xml     # Font definitions
│   ├── numbering.xml     # List definitions
│   ├── comments.xml      # Comments
│   ├── footnotes.xml     # Footnotes
│   ├── endnotes.xml      # Endnotes
│   ├── header1.xml       # Header content
│   ├── footer1.xml       # Footer content
│   ├── media/            # Embedded images
│   │   └── image*.{png,jpeg}
│   └── _rels/
│       └── document.xml.rels
└── docProps/
    ├── core.xml          # Metadata
    └── app.xml           # Application info

Dependencies

• MCP Swift SDK (v0.10.2+) - Model Context Protocol implementation
• ooxml-swift (v0.2.0+) - OOXML parsing
• word-to-md-swift (v0.1.0+) - Word to Markdown conversion

Comparison with Other Solutions

Feature	Anthropic Word MCP	python-docx	docx npm	che-word-mcp
Language	Node.js	Python	Node.js	Swift
Backend	AppleScript	OOXML	OOXML	OOXML
Requires Word	Yes	No	No	No
Runtime	Node.js	Python	Node.js	None
Single Binary	No	No	No	Yes
Tools Count	~10	N/A	N/A	146
Images	Limited	Yes	Yes	Yes
Comments	No	Limited	Limited	Yes
Track Changes	No	No	No	Yes
TOC	No	Limited	No	Yes
Form Fields	No	No	No	Yes

Performance

Benchmarks on Apple Silicon (M4 Max, 128GB RAM):

Read Performance

File Size	Time
40 KB (thesis outline)	72 ms
431 KB (complex document)	31 ms

Write Performance

Operation	Content	Time
Basic write	Create + 3 paragraphs + Save	19 ms
Complex document	Title + Paragraphs + Table + List	21 ms
Bulk write	50 paragraphs + Save	28 ms

Why So Fast?

• Native Swift binary - No interpreter startup overhead
• Direct OOXML manipulation - No Microsoft Word process
• Efficient ZIP handling - ZIPFoundation for compression
• In-memory operations - Only writes to disk on save

Compared to python-docx (~200ms startup) or docx npm (~150ms startup), che-word-mcp is 10-20x faster.

License

MIT License

Author

Che Cheng (@kiki830621)

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