diff --git a/src/cli/commands.rs b/src/cli/commands.rs
new file mode 100644
index 0000000..c2019ad
--- /dev/null
+++ b/src/cli/commands.rs
@@ -0,0 +1,88 @@
+use anyhow::Result;
+use crate::cli::Args;
+use crate::fetcher::fetch_issue_content;
+use crate::parser::{parse_issue_content, ConventionalMessage};
+use crate::generator::MessageGenerator;
+use crate::interactive::run_interactive_mode;
+use std::process::Command;
+
+pub async fn execute(args: Args) -> Result<()> {
+    let conventional_msg = if let Some(url) = args.get_url() {
+        let content = fetch_issue_content(url).await?;
+        let mut msg = parse_issue_content(&content.title, &content.body);
+        msg.body = Some(content.body);
+        msg
+    } else if let Some(text) = args.get_text() {
+        let mut msg = parse_issue_content("Generated from text", text);
+        msg.body = Some(text.to_string());
+        msg
+    } else {
+        parse_issue_content("", "")
+    };
+
+    let mut generator = MessageGenerator::from(conventional_msg);
+
+    if args.is_interactive() {
+        generator = run_interactive_mode(generator).await?;
+    }
+
+    let message = generator.format_message();
+
+    if message.trim().is_empty() {
+        anyhow::bail!("Generated commit message is empty. Please provide a description or use interactive mode.");
+    }
+
+    if matches!(args.command, Some(crate::cli::args::Commands::Commit { .. })) {
+        execute_git_commit(&message, &args)?;
+    } else {
+        println!("{}", message);
+    }
+
+    Ok(())
+}
+
+fn execute_git_commit(message: &str, args: &Args) -> Result<()> {
+    let git_repo_check = Command::new("git")
+        .args(["rev-parse", "--is-inside-work-tree"])
+        .output();
+
+    match git_repo_check {
+        Ok(output) if output.status.success() => {}
+        Ok(_) | Err(_) => {
+            anyhow::bail!("Not in a git repository. Please run this command from the root of a git repository.");
+        }
+    }
+
+    let commit_msg_path = std::env::temp_dir().join("COMMIT_EDITMSG");
+    std::fs::write(&commit_msg_path, message)?;
+
+    let mut cmd = Command::new("git");
+    let commit_msg_str = commit_msg_path.to_str()
+        .ok_or_else(|| anyhow::anyhow!("Commit message path contains invalid Unicode"))?;
+    cmd.args(["commit", "-F", commit_msg_str]);
+
+    let amend = args.amend || match &args.command {
+        Some(crate::cli::args::Commands::Commit { amend, .. }) => *amend,
+        _ => false,
+    };
+
+    if args.dry_run {
+        println!("[dry-run] Would commit:");
+        println!("{}", message);
+        return Ok(());
+    }
+
+    if amend {
+        cmd.arg("--amend");
+        if args.no_edit {
+            cmd.arg("--no-edit");
+        }
+    }
+
+    let status = cmd.status()?;
+    if !status.success() {
+        anyhow::bail!("Git commit failed");
+    }
+
+    Ok(())
+}