diff --git a/src/parser/conventional.rs b/src/parser/conventional.rs
new file mode 100644
index 0000000..526c626
--- /dev/null
+++ b/src/parser/conventional.rs
@@ -0,0 +1,36 @@
+use serde::Serialize;
+
+#[derive(Debug, Clone, Default)]
+pub struct ConventionalMessage {
+    pub r#type: String,
+    pub scope: Option<String>,
+    pub description: String,
+    pub body: Option<String>,
+    pub breaking: bool,
+    pub breaking_description: Option<String>,
+    pub footer: Option<String>,
+}
+
+impl ConventionalMessage {
+    pub fn header(&self) -> String {
+        let scope_part = self.scope.as_ref()
+            .map(|s| format!("({})", s))
+            .unwrap_or_default();
+
+        let breaking_marker = if self.breaking { "!" } else { "" };
+
+        let description = if self.description.trim().is_empty() {
+            "no description".to_string()
+        } else {
+            self.description.clone()
+        };
+
+        format!(
+            "{}{}{}: {}",
+            self.r#type,
+            scope_part,
+            breaking_marker,
+            description
+        )
+    }
+}