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Safe Docx

by io.github.UseJunior

AI-native surgical editing of Word .docx and OpenDocument .odt files with formatting preservation

Power your agent

Add this server

The publisher's own command. Not a PlugMCP endpoint.

Local command
npx -y @usejunior/[email protected]
Provider
Claude Code
claude mcp add io.github.usejunior-safe-docx -- npx -y @usejunior/[email protected]

Run in a terminal.

Claude Desktop
{
  "mcpServers": {
    "io.github.usejunior-safe-docx": {
      "command": "npx",
      "args": [
        "-y",
        "@usejunior/[email protected]"
      ]
    }
  }
}

claude_desktop_config.json

Step-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

Run on PlugMCP

Host a copy with our keys and logs.

A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.

Launch

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Questions

How do I install Safe Docx?
Copy the stdio config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.
Does Safe Docx need an API key?
No required environment variable is listed on this record.
What transport does Safe Docx use?
Safe Docx runs locally over stdio.
When was Safe Docx last checked?
Last checked 2026-10-21. AI-native surgical editing of Word .docx and OpenDocument .odt files with formatting preservation

AI-native surgical editing of Word .docx and OpenDocument .odt files with formatting preservation

Safe Docx

Edit Word and OpenDocument files with coding agents.

English · Español · 简体中文 · Português · Deutsch

Safe Docx is a local MCP server and CLI for reading, searching, editing, comparing, converting, and saving document files. It preserves DOCX structure and can produce clean or tracked-changes output.

Example

Ask your coding agent:

Edit NDA.docx. Change the governing law from New York to Delaware.
Save a clean copy and a tracked-changes copy. Do not change anything else.

Safe Docx finds the clause, applies the targeted edit, and writes both files for review. The rest of the document stays outside the requested edit.

Follow the complete editing walkthrough.

Comparisons

  • SuperDoc
  • Claude's built-in DOCX editing
  • python-docx
  • DOCX compatibility matrix

Install

npm install --global @usejunior/safe-docx

Then configure your MCP client with the installed executable's absolute path. For Claude Code:

claude mcp add safe-docx -- /absolute/path/to/safe-docx

Antigravity CLI

Add Safe Docx to ~/.gemini/config/mcp_config.json:

{
  "mcpServers": {
    "safe-docx": {
      "command": "/absolute/path/to/safe-docx",
      "args": []
    }
  }
}

Restart agy, then ask it to edit a .docx file. Antigravity may ask you to approve the MCP server before first use.

See Installation and verification for locating the executable, pinning a version, and configuring clients.

Documentation

  • Installation and verification
  • Tool reference
  • TypeScript library
  • Architecture
  • Testing and evidence
  • Trust and conformance
  • Contributing

Standards Conformance

Browse the Safe Docx Conformance Explorer to navigate ECMA-376 sections, OOXML schema declarations, capability claims, explicit non-goals, and measured cross-implementation outcomes.

The generated repository conformance report remains the source-controlled record of targeted sections, non-goals, and verification references.

What Safe Docx Is Not Optimized For

Safe Docx is not a visual editor or layout engine. It does not provide browser rendering, real-time collaboration, or pixel-level pagination guarantees. .dotx templates must be converted to .docx before use.

How do I install Safe Docx?
Copy the stdio config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.
Does Safe Docx need an API key?
No required environment variable is listed on this record.
What transport does Safe Docx use?
Safe Docx runs locally over stdio.
When was Safe Docx last checked?
Last checked 2026-10-21. AI-native surgical editing of Word .docx and OpenDocument .odt files with formatting preservation

No tool list yet. Remote servers get one after the first health check.

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