safe-docx for Claude Code
Edit existing Word documents from Claude without losing formatting, tracked changes, or comments.
One-command install for Claude Code
Add safe-docx as a local stdio MCP server. Claude Code will launch it with npx when the server is needed.
claude mcp add safe-docx -- npx -y @usejunior/safe-docx
This follows Claude Code's local stdio MCP syntax: claude mcp add [options] <name> -- <command> [args...].
What Claude can do once installed
safe-docx exposes typed MCP tools that let Claude inspect, edit, compare, and save existing Microsoft Word files.
Reading & Inspection (7)
Inspect document text, comments, footnotes, and revision state before Claude edits anything.
read_file, grep, get_session_status, has_tracked_changes, get_comments, get_footnotes, extract_revisions
Planning & Batch (3)
Plan multi-step document edits and apply them as a controlled batch.
init_plan, merge_plans, apply_plan
Text Editing (2)
Make surgical in-place text changes while preserving the surrounding Word formatting.
replace_text, insert_paragraph
Comments & Footnotes (5)
Add reviewer notes and citation footnotes without opening Word manually.
add_comment, delete_comment, add_footnote, update_footnote, delete_footnote
Layout & Formatting (1)
Normalize supported layout and formatting details after edits.
format_layout
Tracked Changes (2)
Accept revisions or generate a redline from two document versions.
accept_changes, compare_documents
File Operations (2)
Save the edited .docx output and reset the document session when finished.
save, clear_session
How safe-docx differs from Claude's native file editing
Claude can work directly with DOCX internals, and that built-in capability is useful for custom one-off edits. safe-docx adds a deterministic tool layer for repeated document workflows, so Claude can call the same typed operations instead of improvising XML changes in each session. That makes document reading more consistent, preserves edit semantics, and keeps the workflow portable to other MCP-compatible agents when you need it.
Read the full safe-docx vs Claude file editing comparison →Try it on a real document
Download a Word template, ask Claude to revise it, then have safe-docx save the edited .docx.
Bonterms Mutual NDA
Cover page for the Bonterms Mutual NDA (Version 1.0). The standard terms are incorporated by reference from bonterms.com.
Open template →
Common Paper Term Sheet
A term sheet template for outlining key business terms, based on Common Paper's standard form. A simple topic-and-details format for early-stage deal discussions.
Open template →
OpenAgreements Employment Offer Letter
A startup-focused employment offer letter template for full-time or part-time hiring with compensation, equity summary, and at-will framing.
Open template →Claude Code FAQ
Can Claude Code read DOCX files with safe-docx?
Yes. After safe-docx is installed, Claude Code can inspect .docx content through MCP tools such as read_file, grep, get_comments, get_footnotes, and extract_revisions.
Can Claude Code edit DOCX files in place?
Yes. safe-docx gives Claude Code typed tools for replacing text, inserting paragraphs, adding comments, updating footnotes, comparing versions, and saving the edited Word document without rebuilding the file from scratch.
Why use safe-docx instead of Claude's built-in DOCX editing?
Three reasons: (1) Platform independence - safe-docx works with Claude, Gemini, Codex, Goose, and any MCP-compatible agent. (2) Self-contained edit operations - every safe-docx call produces valid .docx output, so there is no risk of half-applied markup when context windows fill up. (3) Consistent behavior - the same tool call follows the same rules every time. See the full comparison.
Does safe-docx preserve formatting when Claude edits a document?
Yes. Edits inherit formatting from the surrounding document context automatically, including styles, numbering, headers, and list levels. That is the main reason safe-docx exists as a separate tool: naive edits to .docx XML often break formatting in ways that only show up when the document is opened in Word.
Can Claude Code produce tracked-changes redlines?
Yes. safe-docx can compare two .docx versions and emit a tracked-changes document, the standard redline format lawyers use to review edits. Tracked changes are visible in Microsoft Word and survive round-trips through other Office editors.
Does safe-docx run locally with Claude Code?
Yes. The Claude Code install command runs safe-docx as a local stdio MCP server through npx -y @usejunior/safe-docx. Your .docx files are handled by the local MCP process.
Give Claude Code a DOCX editing toolbelt
Install safe-docx, open a Word document in your project, and ask Claude to make formatting-preserving edits.