diff --git a/build.gradle b/build.gradle
index 9ba3dae0..2f8abfe9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,7 +10,7 @@ description = "CST is the Cognitive Systems Toolkit, a toolkit for the construct
 
 sourceCompatibility = 1.8
 targetCompatibility = 1.8
-version = '0.5.1'
+version = '0.6.0'
 
 repositories {
 	flatDir {
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 622ab64a..b9fe08c3 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
+#Wed Sep 09 22:32:12 BRT 2020
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-all.zip
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip
-zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
diff --git a/src/main/java/br/unicamp/cst/planning/PlanningCodelet.java b/src/main/java/br/unicamp/cst/planning/PlanningCodelet.java
new file mode 100644
index 00000000..9c5ce39f
--- /dev/null
+++ b/src/main/java/br/unicamp/cst/planning/PlanningCodelet.java
@@ -0,0 +1,80 @@
+package br.unicamp.cst.planning;
+
+import br.unicamp.cst.core.entities.Codelet;
+import br.unicamp.cst.core.entities.Memory;
+import br.unicamp.cst.core.exceptions.CodeletActivationBoundsException;
+
+import java.util.Optional;
+
+public abstract class PlanningCodelet extends Codelet {
+
+    private String id;
+
+    private Memory inputInitialState;
+
+    private Memory inputObservations;
+
+    private Memory inputGoals;
+
+    private Memory inputProceduralMemory;
+
+    private Memory inputTransitionFunctions;
+
+    private Memory inputPlanningRequest;
+
+    private Memory outputPlan;
+
+    public PlanningCodelet(String id) {
+        setId(id);
+    }
+
+    @Override
+    public void accessMemoryObjects() {
+        inputInitialState = Optional.ofNullable(inputInitialState)
+                .orElse(getInput(PlanningMemoryNames.INPUT_INITIAL_STATE.toString()));
+
+        inputObservations = Optional.ofNullable(inputObservations)
+                .orElse(getInput(PlanningMemoryNames.INPUT_OBSERVATIONS.toString()));
+
+        inputGoals = Optional.ofNullable(inputGoals)
+                .orElse(getInput(PlanningMemoryNames.INPUT_GOALS.toString()));
+
+        inputProceduralMemory = Optional.ofNullable(inputProceduralMemory)
+                .orElse(getInput(PlanningMemoryNames.INPUT_PROCEDURAL_MEMORY.toString()));
+
+        inputTransitionFunctions = Optional.ofNullable(inputTransitionFunctions)
+                .orElse(getInput(PlanningMemoryNames.INPUT_TRANSITION_FUNCTIONS.toString()));
+
+        inputPlanningRequest = Optional.ofNullable(inputPlanningRequest)
+                .orElse(getInput(PlanningMemoryNames.INPUT_PLANNING_REQUEST.toString()));
+
+        outputPlan = Optional.ofNullable(outputPlan)
+                .orElse(getInput(PlanningMemoryNames.OUTPUT_PLAN.toString()));
+    }
+
+    @Override
+    public void calculateActivation() {
+        try {
+            setActivation(0d);
+        } catch (CodeletActivationBoundsException e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void proc() {
+        Optional.ofNullable(outputPlan).ifPresent(memory -> {
+            memory.setI(planning(inputInitialState, inputObservations, inputGoals, inputProceduralMemory, inputTransitionFunctions, inputPlanningRequest).getI());
+        });
+    }
+
+    public abstract Memory planning(Memory initialState, Memory observations, Memory goals, Memory proceduralMemory, Memory transitionFunctions, Memory planningRequest);
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+}
diff --git a/src/main/java/br/unicamp/cst/planning/PlanningMemoryNames.java b/src/main/java/br/unicamp/cst/planning/PlanningMemoryNames.java
new file mode 100644
index 00000000..4b6b4822
--- /dev/null
+++ b/src/main/java/br/unicamp/cst/planning/PlanningMemoryNames.java
@@ -0,0 +1,11 @@
+package br.unicamp.cst.planning;
+
+public enum PlanningMemoryNames {
+    INPUT_INITIAL_STATE,
+    INPUT_OBSERVATIONS,
+    INPUT_GOALS,
+    INPUT_PROCEDURAL_MEMORY,
+    INPUT_TRANSITION_FUNCTIONS,
+    INPUT_PLANNING_REQUEST,
+    OUTPUT_PLAN
+}