diff --git a/code-execution/src/main/java/io/github/llmagentbuilder/codeexecution/package-info.java b/code-execution/src/main/java/io/github/llmagentbuilder/codeexecution/package-info.java
new file mode 100644
index 0000000..846b9fb
--- /dev/null
+++ b/code-execution/src/main/java/io/github/llmagentbuilder/codeexecution/package-info.java
@@ -0,0 +1 @@
+package io.github.llmagentbuilder.codeexecution;
\ No newline at end of file
diff --git a/code-execution/src/main/kotlin/io/github/llmagentbuilder/codeexecution/CodeExecutor.kt b/code-execution/src/main/kotlin/io/github/llmagentbuilder/codeexecution/CodeExecutor.kt
index 1836c53..352b0cb 100644
--- a/code-execution/src/main/kotlin/io/github/llmagentbuilder/codeexecution/CodeExecutor.kt
+++ b/code-execution/src/main/kotlin/io/github/llmagentbuilder/codeexecution/CodeExecutor.kt
@@ -3,6 +3,9 @@ package io.github.llmagentbuilder.codeexecution
 import java.nio.file.Files
 import kotlin.io.path.writeText
 
+/**
+ * Code executor
+ */
 interface CodeExecutor {
     fun execute(input: String): String
 }
diff --git a/java/src/main/kotlin/io/github/llmagentbuilder/tool/javacodeexecution/JavaCodeExecutionTool.kt b/java/src/main/kotlin/io/github/llmagentbuilder/tool/javacodeexecution/JavaCodeExecutionTool.kt
index b557536..83da8ff 100644
--- a/java/src/main/kotlin/io/github/llmagentbuilder/tool/javacodeexecution/JavaCodeExecutionTool.kt
+++ b/java/src/main/kotlin/io/github/llmagentbuilder/tool/javacodeexecution/JavaCodeExecutionTool.kt
@@ -22,7 +22,9 @@ object JavaCodeExecutor : NonSandboxedCodeExecutor() {
     }
 }
 
-
+/**
+ * Tool to execute Java code
+ */
 class JavaCodeExecutionTool(private val config: JavaCodeExecutionConfig) :
     ConfigurableAgentTool<JavaCodeExecutionRequest, JavaCodeExecutionResponse, JavaCodeExecutionConfig> {
 
diff --git a/pom.xml b/pom.xml
index dc6b2a4..f6e7ffe 100644
--- a/pom.xml
+++ b/pom.xml
@@ -175,6 +175,13 @@
         <groupId>org.jetbrains.dokka</groupId>
         <artifactId>dokka-maven-plugin</artifactId>
         <version>1.9.20</version>
+        <configuration>
+          <sourceDirectories>
+            <sourceDirectory>${project.basedir}/src/main/kotlin
+            </sourceDirectory>
+            <sourceDirectory>${project.basedir}/src/main/java</sourceDirectory>
+          </sourceDirectories>
+        </configuration>
         <executions>
           <execution>
             <phase>package</phase>
diff --git a/python/src/main/kotlin/io/github/llmagentbuilder/tool/pythoncodeexecution/PythonCodeExecutionTool.kt b/python/src/main/kotlin/io/github/llmagentbuilder/tool/pythoncodeexecution/PythonCodeExecutionTool.kt
index cfb3a38..16a603b 100644
--- a/python/src/main/kotlin/io/github/llmagentbuilder/tool/pythoncodeexecution/PythonCodeExecutionTool.kt
+++ b/python/src/main/kotlin/io/github/llmagentbuilder/tool/pythoncodeexecution/PythonCodeExecutionTool.kt
@@ -23,6 +23,9 @@ class PythonCodeExecutor(private val config: PythonCodeExecutionConfig) :
     }
 }
 
+/**
+ * Tool to execute Python code
+ */
 class PythonCodeExecutionTool(config: PythonCodeExecutionConfig) :
     ConfigurableAgentTool<PythonCodeExecutionRequest, PythonCodeExecutionResponse, PythonCodeExecutionConfig> {