diff --git a/src/ExoRepo/YQ.class.st b/src/ExoRepo/YQ.class.st
new file mode 100644
index 0000000..2424ca3
--- /dev/null
+++ b/src/ExoRepo/YQ.class.st
@@ -0,0 +1,53 @@
+"
+The `External` tag is related on its dependency on other programming languages and frameworks, 
+though the dependency should be loaded by just loading a small binary with no dependencies.
+"
+Class {
+	#name : #YQ,
+	#superclass : #Object,
+	#category : #'ExoRepo-External'
+}
+
+{ #category : #accessing }
+YQ class >> binaryDownloadLinkFor: operativeSystem on: processor [ 
+	| binaryName binaryDownloadData |
+	binaryName := 'yq_', operativeSystem , '_', processor.
+	binaryDownloadData := ((self lastReleaseData at: 'assets')
+		select: [:each | (each at: 'name') beginsWith: binaryName ]) first.
+	 ^ binaryDownloadData at: 'browser_download_url'
+]
+
+{ #category : #accessing }
+YQ class >> binaryFile [
+	"Starting with location on Arch Linux and its derivates. Multidistro and multiOS support should be added."
+	Smalltalk os isWindows ifFalse: [^ FileLocator root / 'usr/bin/yq'].
+	^ FileLocator home / 'scoop/shims/yq.exe'
+]
+
+{ #category : #accessing }
+YQ class >> install [
+	^ self lastReleaseData
+]
+
+{ #category : #accessing }
+YQ class >> jsonToYaml: aDictionary [
+	| jsonFile |
+	self binaryFile exists ifFalse: [ YQ install].
+	jsonFile := MarkupFile exportAsFileOn: FileLocator temp / 'data.json' containing: aDictionary.
+	(Smalltalk os isUnix or: [ Smalltalk os isMacOS ]) 
+		ifTrue: [
+			OSSUnixSubprocess new
+				shellCommand: 'cat ', jsonFile fullName,' | yq -y';
+				redirectStdout;
+				runAndWaitOnExitDo: [ :command :outString |
+					^ outString 					
+				]].
+	Smalltalk os isWindows 
+		ifTrue: [ ^ LibC resultOfCommand: 'yq -p=json ', jsonFile fullName  ].
+]
+
+{ #category : #accessing }
+YQ class >> lastReleaseData [
+	^ (STONJSON
+		fromString: 'https://api.github.com/repos/mikefarah/yq/releases' asUrl retrieveContents) first
+]