MCP Office Interop Word Server

# MCP Office Interop Word Server This project implements a [Model Context Protocol (MCP)](https://modelcontextprotocol.io/) server that allows interaction with Microsoft Word documents using COM Interop on Windows. It provides MCP tools to perform common Word processing tasks programmatically. ## Features * Wraps common Microsoft Word operations via COM Interop (`winax`). * Exposes functionality as MCP tools. * Supports both `stdio` and `sse` transports for MCP communication. * Built with TypeScript and uses the `@modelcontextprotocol/sdk`. ## Prerequisites * Node.js (v18 or later recommended) * npm * Microsoft Word installed on a Windows machine. ## Installation 1. Clone the repository or download the source code. 2. Navigate to the project directory in your terminal. 3. Install dependencies: ```bash npm install ``` ## Building To compile the TypeScript code to JavaScript: ```bash npm run build ``` This will output the compiled files to the `dist` directory. ## Running the Server The server can run using two different MCP transports: `stdio` or `sse`. ### stdio Transport This is the default mode. It's suitable for local clients that communicate via standard input/output. ```bash npm start ``` or ```bash node dist/index.js ``` Connect your MCP client (e.g., MCP Inspector) using the stdio method, pointing to the `node dist/index.js` command. ### SSE (Server-Sent Events) Transport This mode uses HTTP and Server-Sent Events, suitable for web-based or remote clients. **PowerShell:** ```powershell $env:MCP_TRANSPORT="sse"; npm start ``` **Bash / Cmd:** ```bash MCP_TRANSPORT=sse npm start ``` The server will start an HTTP server, typically on port 3001 (or the port specified by the `PORT` environment variable). * **SSE Endpoint:** `http://localhost:3001/sse` * **Message Endpoint (for client POSTs):** `http://localhost:3001/messages` Connect your MCP client using the SSE method, providing the SSE endpoint URL. ## Available Tools The server exposes the following tools (tool names are prefixed with `word_`): **Document Operations:** * `word_createDocument`: Creates a new, blank Word document. * `word_openDocument`: Opens an existing document. * `filePath` (string): Absolute path to the document. * `word_saveActiveDocument`: Saves the currently active document. * `word_saveActiveDocumentAs`: Saves the active document to a new path/format. * `filePath` (string): Absolute path to save to. * `fileFormat` (number, optional): Numeric `WdSaveFormat` value (e.g., 16 for docx, 17 for pdf). * `word_closeActiveDocument`: Closes the active document. * `saveChanges` (number, optional): `WdSaveOptions` value (0=No, -1=Yes, -2=Prompt). Default: 0. **Text Manipulation:** * `word_insertText`: Inserts text at the selection. * `text` (string): Text to insert. * `word_deleteText`: Deletes text relative to the selection. * `count` (number, optional): Number of units to delete (default: 1). Positive=forward, negative=backward. * `unit` (number, optional): `WdUnits` value (1=Char, 2=Word, etc.). Default: 1. * `word_findAndReplace`: Finds and replaces text. * `findText` (string): Text to find. * `replaceText` (string): Replacement text. * `matchCase` (boolean, optional): Default: false. * `matchWholeWord` (boolean, optional): Default: false. * `replaceAll` (boolean, optional): Default: true. * `word_toggleBold`: Toggles bold formatting for the selection. * `word_toggleItalic`: Toggles italic formatting for the selection. * `word_toggleUnderline`: Toggles underline formatting for the selection. * `underlineStyle` (number, optional): `WdUnderline` value (default: 1=Single). **Paragraph Formatting:** * `word_setParagraphAlignment`: Sets paragraph alignment. * `alignment` (number): `WdParagraphAlignment` value (0=Left, 1=Center, 2=Right, 3=Justify). * `word_setParagraphLeftIndent`: Sets left indent. * `indentPoints` (number): Indent value in points. * `word_setParagraphRightIndent`: Sets right indent. * `indentPoints` (number): Indent value in points. * `word_setParagraphFirstLineIndent`: Sets first line/hanging indent. * `indentPoints` (number): Indent value in points (positive=indent, negative=hanging). * `word_setParagraphSpaceBefore`: Sets space before paragraphs. * `spacePoints` (number): Space value in points. * `word_setParagraphSpaceAfter`: Sets space after paragraphs. * `spacePoints` (number): Space value in points. * `word_setParagraphLineSpacing`: Sets line spacing. * `lineSpacingRule` (number): `WdLineSpacing` value (0=Single, 1=1.5, 2=Double, 3=AtLeast, 4=Exactly, 5=Multiple). * `lineSpacingValue` (number, optional): Value needed for rules 3, 4, 5. **Table Operations:** * `word_addTable`: Adds a table at the selection. * `numRows` (number): Number of rows. * `numCols` (number): Number of columns. * `word_setTableCellText`: Sets text in a table cell. * `tableIndex` (number): 1-based table index. * `rowIndex` (number): 1-based row index. * `colIndex` (number): 1-based column index. * `text` (string): Text to set. * `word_insertTableRow`: Inserts a row into a table. * `tableIndex` (number): 1-based table index. * `beforeRowIndex` (number, optional): Insert before this 1-based row index (or at end if omitted). * `word_insertTableColumn`: Inserts a column into a table. * `tableIndex` (number): 1-based table index. * `beforeColIndex` (number, optional): Insert before this 1-based column index (or at right end if omitted). * `word_applyTableAutoFormat`: Applies a style to a table. * `tableIndex` (number): 1-based table index. * `formatName` (string | number): Style name or `WdTableFormat` value. **Image Operations:** * `word_insertPicture`: Inserts an inline picture. * `filePath` (string): Absolute path to the image file. * `linkToFile` (boolean, optional): Default: false. * `saveWithDocument` (boolean, optional): Default: true. * `word_setInlinePictureSize`: Resizes an inline picture. * `shapeIndex` (number): 1-based index of the inline shape. * `heightPoints` (number): Height in points (-1 or 0 to auto-size). * `widthPoints` (number): Width in points (-1 or 0 to auto-size). * `lockAspectRatio` (boolean, optional): Default: true. **Header/Footer Operations:** * `word_setHeaderFooterText`: Sets text in a header or footer. * `text` (string): Text content. * `isHeader` (boolean): True for header, false for footer. * `sectionIndex` (number, optional): 1-based section index (default: 1). * `headerFooterType` (number, optional): `WdHeaderFooterIndex` value (1=Primary, 2=FirstPage, 3=EvenPages). Default: 1. **Page Setup Operations:** * `word_setPageMargins`: Sets page margins. * `topPoints` (number): Top margin in points. * `bottomPoints` (number): Bottom margin in points. * `leftPoints` (number): Left margin in points. * `rightPoints` (number): Right margin in points. * `word_setPageOrientation`: Sets page orientation. * `orientation` (number): `WdOrientation` value (0=Portrait, 1=Landscape). * `word_setPaperSize`: Sets paper size. * `paperSize` (number): `WdPaperSize` value (e.g., 1=Letter, 8=A4). ## Notes * This server requires Microsoft Word to be installed and accessible via COM Interop on the machine where the server runs. * Error handling for COM operations is basic. Robust production use might require more detailed error checking and recovery. * Word object model constants (like `WdSaveFormat`, `WdUnits`, etc.) are represented by their numeric values in the tool arguments. You may need to refer to the Word VBA documentation for specific values.