autocad-mcp-pro/.cursor/skills/autocad-mcp/references/tools-view-system.md

View, Transaction & System Tools (14)

View & Screenshot (5)

view_zoom_extents

Zoom to show all entities. No parameters. COM only (no-op in ezdxf).

view_zoom_window

Zoom to a specific rectangular area. COM only.

Param	Type	Description
x1, y1	float	Window corner 1
x2, y2	float	Window corner 2

view_screenshot

Capture drawing as image. Returns base64-encoded image.

• COM: Win32 window capture (requires Pillow)
• ezdxf: matplotlib render (requires matplotlib)

view_zoom_and_screenshot

Combined zoom + screenshot in one call.

Param	Type	Description
x1, y1	float | null	Optional zoom window corner 1
x2, y2	float | null	Optional zoom window corner 2

If coordinates omitted, captures full extents.

view_set_view

Set named view. Parameters depend on backend.

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Transactions (3)

Use transactions to group operations with undo support.

transaction_begin()       # Save checkpoint
... make changes ...
transaction_commit()      # Accept changes
# or
transaction_rollback()    # Revert to checkpoint

transaction_begin

Start a transaction. ezdxf saves full DXF snapshot; COM creates undo mark.

transaction_commit

Accept all changes since transaction_begin.

transaction_rollback

Revert all changes since transaction_begin. ezdxf restores snapshot; COM uses native undo.

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System (6)

system_status

No parameters. Returns server status: {backend, drawing_loaded, entity_count, uptime, ...}.

system_get_variable

Param	Type	Description
name	str	Variable name: DIMSCALE, LTSCALE, INSUNITS, CLAYER, MEASUREMENT

system_set_variable

Param	Type	Description
name	str	Variable name
value	any	New value

system_run_command

Execute raw AutoCAD command. COM only. Sanitized by sanitize_command().

Param	Type	Description
command	str	Command string (e.g. _ZOOM E, _REGEN)

Dangerous commands blocked unless DANGEROUS_COMMANDS_ENABLED=true.

system_run_lisp

Evaluate AutoLISP expression. COM only. Sanitized by sanitize_lisp().

Param	Type	Description
expression	str	LISP expression (e.g. (command "ZOOM" "E"))

Dangerous functions blocked: startapp, vl-file-delete, dos_*.

system_about

No parameters. Returns server capabilities, tool count, version, and feature list.