diff --git a/metadata/.gitignore b/metadata/.gitignore
new file mode 100644
index 000000000..d37bbfe8a
--- /dev/null
+++ b/metadata/.gitignore
@@ -0,0 +1,6 @@
+# Maven output directory.
+target/
+
+# IntelliJ project files.
+.idea/
+*.iml
diff --git a/metadata/pom.xml b/metadata/pom.xml
new file mode 100644
index 000000000..651acda07
--- /dev/null
+++ b/metadata/pom.xml
@@ -0,0 +1,122 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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.google.i18n.libphonenumber</groupId>
+  <artifactId>metadata</artifactId>
+  <version>1.0-SNAPSHOT</version>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.8.0</version>
+        <configuration>
+          <source>8</source>
+          <target>8</target>
+          <annotationProcessorPaths>
+            <annotationProcessorPath>
+              <groupId>com.google.auto.value</groupId>
+              <artifactId>auto-value</artifactId>
+              <version>1.7.3</version>
+            </annotationProcessorPath>
+          </annotationProcessorPaths>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>com.github.os72</groupId>
+        <artifactId>protoc-jar-maven-plugin</artifactId>
+        <version>3.11.4</version>
+        <executions>
+          <execution>
+            <phase>generate-sources</phase>
+            <goals>
+              <goal>run</goal>
+            </goals>
+            <configuration>
+              <protocVersion>3.1.0</protocVersion>
+              <inputDirectories>
+                <include>src/main/proto</include>
+              </inputDirectories>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+
+  <dependencies>
+    <!-- https://mvnrepository.com/artifact/com.google.guava/guava -->
+    <dependency>
+      <groupId>com.google.guava</groupId>
+      <artifactId>guava</artifactId>
+      <version>29.0-jre</version>
+    </dependency>
+
+    <!-- https://mvnrepository.com/artifact/com.ibm.icu/icu4j -->
+    <dependency>
+      <groupId>com.ibm.icu</groupId>
+      <artifactId>icu4j</artifactId>
+      <version>67.1</version>
+    </dependency>
+
+    <!-- https://mvnrepository.com/artifact/com.google.protobuf/protobuf-java -->
+    <dependency>
+      <groupId>com.google.protobuf</groupId>
+      <artifactId>protobuf-java</artifactId>
+      <version>3.12.2</version>
+    </dependency>
+
+    <!-- https://mvnrepository.com/artifact/com.google.auto.value/auto-value -->
+    <dependency>
+      <groupId>com.google.auto.value</groupId>
+      <artifactId>auto-value</artifactId>
+      <version>1.7.3</version>
+      <scope>provided</scope>
+    </dependency>
+
+    <!-- https://mvnrepository.com/artifact/com.google.auto.value/auto-value-annotations -->
+    <dependency>
+      <groupId>com.google.auto.value</groupId>
+      <artifactId>auto-value-annotations</artifactId>
+      <version>1.7.3</version>
+    </dependency>
+
+    <!-- https://mvnrepository.com/artifact/com.github.os72/protoc-jar-maven-plugin -->
+    <dependency>
+      <groupId>com.github.os72</groupId>
+      <artifactId>protoc-jar-maven-plugin</artifactId>
+      <version>3.11.4</version>
+    </dependency>
+
+    <!-- https://mvnrepository.com/artifact/com.google.code.findbugs/jsr305 -->
+    <dependency>
+      <groupId>com.google.code.findbugs</groupId>
+      <artifactId>jsr305</artifactId>
+      <version>3.0.2</version>
+    </dependency>
+
+    <!-- https://mvnrepository.com/artifact/com.google.truth/truth -->
+    <dependency>
+      <groupId>com.google.truth</groupId>
+      <artifactId>truth</artifactId>
+      <version>1.0.1</version>
+      <scope>test</scope>
+    </dependency>
+
+    <!-- https://mvnrepository.com/artifact/com.google.truth.extensions/truth-java8-extension -->
+    <dependency>
+      <groupId>com.google.truth.extensions</groupId>
+      <artifactId>truth-java8-extension</artifactId>
+      <version>1.0.1</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+</project>
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