diff --git a/src/presentation/scripts/ScriptProvider.port.ts b/src/presentation/scripts/ScriptProvider.port.ts
new file mode 100644
index 0000000..be45215
--- /dev/null
+++ b/src/presentation/scripts/ScriptProvider.port.ts
@@ -0,0 +1,5 @@
+import Script from "../../common/architecture/scripts/Script";
+
+export interface ScriptProviderPort {
+  getScripts(): Script[];
+}
diff --git a/src/presentation/scripts/ScriptSorter.port.ts b/src/presentation/scripts/ScriptSorter.port.ts
new file mode 100644
index 0000000..74db45c
--- /dev/null
+++ b/src/presentation/scripts/ScriptSorter.port.ts
@@ -0,0 +1,5 @@
+import Script from "../../common/architecture/scripts/Script";
+
+export interface ScriptSorterPort {
+  sort(scripts: Script[]): Script[];
+}
diff --git a/src/presentation/scripts/errors/ScriptSorterCycleDetected.error.ts b/src/presentation/scripts/errors/ScriptSorterCycleDetected.error.ts
new file mode 100644
index 0000000..3289541
--- /dev/null
+++ b/src/presentation/scripts/errors/ScriptSorterCycleDetected.error.ts
@@ -0,0 +1,3 @@
+export default class ScriptSorterCycleDetectedError extends Error {
+  name: 'script-sorter-cycle-detected-error';
+}
diff --git a/src/presentation/scripts/errors/ScriptSorterRepeatedScript.error.ts b/src/presentation/scripts/errors/ScriptSorterRepeatedScript.error.ts
new file mode 100644
index 0000000..8e9a219
--- /dev/null
+++ b/src/presentation/scripts/errors/ScriptSorterRepeatedScript.error.ts
@@ -0,0 +1,3 @@
+export default class ScriptSorterRepeatedScriptError extends Error {
+  name: 'script-sorter-repeated-script-error';
+}