diff --git a/maven-all/maven-custom-plugin/counter-maven-plugin/pom.xml b/maven-all/maven-custom-plugin/counter-maven-plugin/pom.xml
new file mode 100644
index 0000000000..8cf79bcacb
--- /dev/null
+++ b/maven-all/maven-custom-plugin/counter-maven-plugin/pom.xml
@@ -0,0 +1,81 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>com.baeldung</groupId>
+	<artifactId>counter-maven-plugin</artifactId>
+	<packaging>maven-plugin</packaging>
+	<version>0.0.1-SNAPSHOT</version>
+
+	<name>counter-maven-plugin Maven Mojo</name>
+	<url>http://maven.apache.org</url>
+
+	<organization>
+		<name>Baeldung</name>
+		<url>https://www.baeldung.com/</url>
+	</organization>
+
+	<properties>
+		<maven.compiler.target>1.8</maven.compiler.target>
+		<maven.compiler.source>1.8</maven.compiler.source>
+
+		<maven-plugin-api.version>3.6.2</maven-plugin-api.version>
+		<maven-plugin-annotations.version>3.6.0</maven-plugin-annotations.version>
+		<maven-project.version>2.2.1</maven-project.version>
+		<maven-plugin-plugin.version>3.6.0</maven-plugin-plugin.version>
+		<maven-site-plugin.version>3.8.2</maven-site-plugin.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.apache.maven</groupId>
+			<artifactId>maven-plugin-api</artifactId>
+			<version>${maven-plugin-api.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.maven.plugin-tools</groupId>
+			<artifactId>maven-plugin-annotations</artifactId>
+			<version>${maven-plugin-annotations.version}</version>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.maven</groupId>
+			<artifactId>maven-project</artifactId>
+			<version>${maven-project.version}</version>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<pluginManagement>
+			<plugins>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-plugin-plugin</artifactId>
+					<version>${maven-plugin-plugin.version}</version>
+				</plugin>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-site-plugin</artifactId>
+					<version>${maven-site-plugin.version}</version>
+				</plugin>
+			</plugins>
+		</pluginManagement>
+	</build>
+
+	<reporting>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-plugin-plugin</artifactId>
+				<reportSets>
+					<reportSet>
+						<reports>
+							<report>report</report>
+						</reports>
+					</reportSet>
+				</reportSets>
+			</plugin>
+		</plugins>
+	</reporting>
+
+</project>
\ No newline at end of file
diff --git a/maven-all/maven-custom-plugin/counter-maven-plugin/src/main/java/com/baeldung/maven/plugin/validator/DependencyCounterMojo.java b/maven-all/maven-custom-plugin/counter-maven-plugin/src/main/java/com/baeldung/maven/plugin/validator/DependencyCounterMojo.java
new file mode 100644
index 0000000000..4bb53b20cf
--- /dev/null
+++ b/maven-all/maven-custom-plugin/counter-maven-plugin/src/main/java/com/baeldung/maven/plugin/validator/DependencyCounterMojo.java
@@ -0,0 +1,45 @@
+package com.baeldung.maven.plugin.validator;
+
+import java.util.List;
+
+import org.apache.maven.model.Dependency;
+import org.apache.maven.plugin.AbstractMojo;
+import org.apache.maven.plugin.MojoExecutionException;
+import org.apache.maven.plugin.MojoFailureException;
+import org.apache.maven.plugins.annotations.LifecyclePhase;
+import org.apache.maven.plugins.annotations.Mojo;
+import org.apache.maven.plugins.annotations.Parameter;
+import org.apache.maven.project.MavenProject;
+
+/**
+ * Counts the number of maven dependencies of a project.
+ * 
+ * It can be filtered by scope.
+ *
+ */
+@Mojo(name = "dependency-counter", defaultPhase = LifecyclePhase.COMPILE)
+public class DependencyCounterMojo extends AbstractMojo {
+
+    /**
+     * Scope to filter the dependencies.
+     */
+    @Parameter(property = "scope")
+    String scope;
+
+    /**
+     * Gives access to the Maven project information.
+     */
+    @Parameter(defaultValue = "${project}", required = true, readonly = true)
+    MavenProject project;
+
+    public void execute() throws MojoExecutionException, MojoFailureException {
+        List<Dependency> dependencies = project.getDependencies();
+
+        long numDependencies = dependencies.stream()
+            .filter(d -> (scope == null || scope.isEmpty()) || scope.equals(d.getScope()))
+            .count();
+
+        getLog().info("Number of dependencies: " + numDependencies);
+    }
+
+}
diff --git a/maven-all/maven-custom-plugin/usage-example/pom.xml b/maven-all/maven-custom-plugin/usage-example/pom.xml
new file mode 100644
index 0000000000..62c5a64a44
--- /dev/null
+++ b/maven-all/maven-custom-plugin/usage-example/pom.xml
@@ -0,0 +1,45 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>com.baeldung</groupId>
+	<artifactId>example</artifactId>
+	<packaging>pom</packaging>
+	<version>0.0.1-SNAPSHOT</version>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.apache.commons</groupId>
+			<artifactId>commons-lang3</artifactId>
+			<version>3.9</version>
+		</dependency>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>4.12</version>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>com.baeldung</groupId>
+				<artifactId>counter-maven-plugin</artifactId>
+				<version>0.0.1-SNAPSHOT</version>
+				<executions>
+					<execution>
+						<goals>
+							<goal>dependency-counter</goal>
+						</goals>
+					</execution>
+				</executions>
+				<configuration>
+					<scope>test</scope>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>
diff --git a/pom.xml b/pom.xml
index 272d198011..7c46f29c74 100644
--- a/pom.xml
+++ b/pom.xml
@@ -574,6 +574,7 @@
                 <module>mapstruct</module>
                 <!-- <module>maven-all/compiler-plugin-java-9</module> --> <!-- We haven't upgraded to java 9. -->
                 <module>maven-all/maven</module>
+                <module>maven-all/maven-custom-plugin/counter-maven-plugin</module>
                 <module>maven-all/maven-war-plugin</module>
                 <module>maven-all/profiles</module>
                 <module>maven-all/versions-maven-plugin</module>
@@ -1208,6 +1209,7 @@
                 <module>mapstruct</module>
                 <!-- <module>maven-all/compiler-plugin-java-9</module> --> <!-- We haven't upgraded to java 9. -->
                 <module>maven-all/maven</module>
+                <module>maven-all/maven-custom-plugin/counter-maven-plugin</module>
                 <module>maven-all/maven-war-plugin</module>
                 <module>maven-all/profiles</module>
                 <module>maven-all/versions-maven-plugin</module>