Utility Nodes

Miscellaneous helpers: counters, string diffs, list extraction from text, ISO date durations and the Module Style node that sets a module's canvas appearance.

5 nodes.

Node	Registry path
Counter	util/Counter
Diff	util/Diff
Extract List	util/ExtractList
ISO Date Duration	util/IsoDateDuration
Module Style	util/ModuleStyle

Counter

util/Counter

Counter node that increments a numeric value inside a dict and returns the new value.

Inputs

Input	Type	Description
state	any	The graph state
dict	dict	The dict containing the value to increment
key	str	(optional) The key to the value to increment
reset	bool	(optional) If true, the value will be reset to 0

Outputs

Output	Type	Description
state	any	The state input, passed through
value	any	The new value
dict	dict	The dict with the new value

Properties

Property	Type	Default	Description
increment	number	1	The amount to increment the value by. Min: 1.
key	str	"counter"	The key to the value to increment
reset	bool	False	If true, the value will be reset to 0

Diff

util/Diff

Diff node that returns the diff between two strings.

Inputs

Input	Type	Description
a	str	The original string
b	str	The changed string

Outputs

Output	Type	Description
diff_plain	str	The diff as plain text
diff_html	str	The diff as inline HTML markup
a	str	The a input, passed through
b	str	The b input, passed through

Extract List

util/ExtractList

Extracts a list from a string.

Parses a numbered ("1.") or bulleted ("*" / "-") list out of text, such as an LLM response, returning the items as a list of strings.

Inputs

Input	Type	Description
string	str	The text to extract the list from

Outputs

Output	Type	Description
string	str	The string input, passed through
list	list	The extracted list items
is_empty	bool	True if no list items were found

ISO Date Duration

util/IsoDateDuration

IsoDateDuration node that allows constructing ISO 8601 duration strings.

Combines an amount and a unit into an ISO 8601 duration (e.g., 3 + "day" -> "P3D").

Inputs

Input	Type	Description
unit	str	The unit of the duration (year, month, week, day, hour, minute, second)
amount	number	The amount of the duration

Outputs

Output	Type	Description
unit	str	The unit input, passed through
amount	number	The amount input, passed through
duration	str	The ISO 8601 duration string

Properties

Property	Type	Default	Description
unit	str	"day"	The unit of the duration. Choices: year, month, week, day, hour, minute, second.
amount	number	1	The amount of the duration. Min: 1.

Module Style

util/ModuleStyle

An isolated node that defines the visual style of the graph it is placed in, when that graph is used as a node module inside another graph.

Properties

Property	Type	Default	Description
title_color	color	unset	Title Color
node_color	color	unset	Node Color
auto_title	str	unset	Auto Title
icon	str	unset	Icon (Material Icon Codepoint)