diff --git a/pkgr/Cargo.toml b/pkgr/Cargo.toml
index 92a0e91..9f719ea 100644
--- a/pkgr/Cargo.toml
+++ b/pkgr/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 
 [dependencies]
 fern = "0.6.2"
-getopts = "0.2.21"
 log = "0.4.19"
 regex = "1.9.1"
 manifest = { path = "../manifest" }
+clap = { version = "4.3.12", features = ["derive"] }
diff --git a/pkgr/src/commands/mod.rs b/pkgr/src/commands/mod.rs
index 7f18ebd..b5d698c 100644
--- a/pkgr/src/commands/mod.rs
+++ b/pkgr/src/commands/mod.rs
@@ -1,9 +1,63 @@
 use crate::package::identifier::PackageIdentifier;
-use crate::prelude::Arguments;
+use clap::{Parser, Subcommand};
+use log::error;
 
+#[derive(Parser, Debug)]
+#[clap(name = "pkgr", version = "0.1.0", author = "")]
+pub struct Cli {
+    #[command(subcommand)]
+    pub command: Command,
+}
+
+#[derive(Subcommand, Debug)]
 pub enum Command {
-    Install(Arguments, PackageIdentifier), // install a package from a remote source
-    Remove(PackageIdentifier), // remove a package from the local source
-    List, // list all packages in the local source
+    /// Install a package
+    Install {
+        #[arg(short, long, default_value_t = false)]
+        build: bool,
+        package_identifier: PackageIdentifier,
+    },
+    /// Remove a package from the system
+    Remove {
+        package_identifier: PackageIdentifier,
+    },
+    /// List packages
+    List {
+        /// List installed packages
+        #[arg(short, long, default_value_t = true)]
+        installed: bool,
+    },
+    /// Update packages on the system
     Update,
-}
\ No newline at end of file
+    #[command(hide = true)]
+    None,
+}
+
+impl Command {
+    pub fn execute(&self) {
+        match self {
+            Command::Install {
+                build,
+                package_identifier,
+            } => {
+                if *build {
+                    error!("Build is not yet implemented.");
+                } else {
+                    error!("Install is not yet implemented.");
+                }
+            }
+            Command::Remove { package_identifier } => {
+                error!("Remove is not yet implemented.");
+            }
+            Command::List { installed } => {
+                error!("List is not yet implemented.");
+            }
+            Command::Update => {
+                error!("Update is not yet implemented.");
+            }
+            Command::None => {
+                error!("No command was specified.");
+            }
+        }
+    }
+}
diff --git a/pkgr/src/main.rs b/pkgr/src/main.rs
index 9029074..50b9007 100644
--- a/pkgr/src/main.rs
+++ b/pkgr/src/main.rs
@@ -1,45 +1,19 @@
+use clap::Parser;
 use std::env;
 use std::process::exit;
 use std::str::FromStr;
 
-use getopts::Options;
+use crate::commands::{Cli, Command};
 use log::{info, SetLoggerError};
 
-mod prelude;
 mod commands;
 mod package;
 
 fn main() {
-    setup_logger()
-        .expect("Unable to setup logger.");
+    setup_logger().expect("Unable to setup logger.");
 
-    let args: Vec<String> = env::args().collect();
-    let program = args[0].clone();
-
-    let mut opts = Options::new();
-    opts.optflag("h", "help", "Show help message.");
-    let matches = opts.parse(&args[1..]).unwrap_or_else(|e| panic!("{}", e.to_string()));
-
-    if matches.opt_present("h") {
-        print_usage(&program, opts);
-        exit(1);
-    }
-
-    let command = if !matches.free.is_empty() {
-        matches.free[0].clone()
-    } else {
-        print_usage(&program, opts);
-        exit(1);
-    };
-
-    info!("Identifier: {}", package::identifier::PackageIdentifier::from_str(&command).unwrap());
-}
-
-fn print_usage(program: &str, opts: Options) {
-    let mut brief = format!("Usage: {} <COMMAND> [options]\n\n", program);
-    brief += &*format!("Commands: grab \n");
-    brief += &*format!("          remove\n");
-    print!("{}", opts.usage(&brief.trim_end()));
+    let c = Cli::parse();
+    info!("Command: {:?}", c);
 }
 
 fn setup_logger() -> Result<(), SetLoggerError> {
@@ -57,4 +31,4 @@ fn setup_logger() -> Result<(), SetLoggerError> {
         .level(log::LevelFilter::Info)
         .chain(std::io::stdout())
         .apply()
-}
\ No newline at end of file
+}
diff --git a/pkgr/src/package/identifier.rs b/pkgr/src/package/identifier.rs
index 01f9f6b..07b2bcc 100644
--- a/pkgr/src/package/identifier.rs
+++ b/pkgr/src/package/identifier.rs
@@ -1,8 +1,9 @@
+use std::error::Error;
 use std::str::FromStr;
 
 use regex::Regex;
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub enum PackageIdentifierError {
     InvalidPackageLocator(String),
     InvalidURI(String),
@@ -11,13 +12,17 @@ pub enum PackageIdentifierError {
 impl std::fmt::Display for PackageIdentifierError {
     fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
         match self {
-            PackageIdentifierError::InvalidPackageLocator(s) => write!(f, "Invalid package locator: {}", s),
+            PackageIdentifierError::InvalidPackageLocator(s) => {
+                write!(f, "Invalid package locator: {}", s)
+            }
             PackageIdentifierError::InvalidURI(s) => write!(f, "Invalid URI: {}", s),
         }
     }
 }
 
-#[derive(Debug)]
+impl Error for PackageIdentifierError {}
+
+#[derive(Debug, Clone)]
 pub enum PackageIdentifier {
     PackageLocator(PackageLocator),
     URI(String),
@@ -32,7 +37,7 @@ impl std::fmt::Display for PackageIdentifier {
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct PackageLocator {
     pub name: String,
     pub version: Option<u32>,
@@ -102,7 +107,14 @@ impl FromStr for PackageLocator {
         }
 
         if let Some(caps) = tags_re.captures(s) {
-            tags = Some(caps.get(1).unwrap().as_str().split(",").map(|s| s.to_string()).collect());
+            tags = Some(
+                caps.get(1)
+                    .unwrap()
+                    .as_str()
+                    .split(",")
+                    .map(|s| s.to_string())
+                    .collect(),
+            );
         }
 
         Ok(PackageLocator {
@@ -111,4 +123,4 @@ impl FromStr for PackageLocator {
             tags,
         })
     }
-}
\ No newline at end of file
+}
diff --git a/pkgr/src/package/mod.rs b/pkgr/src/package/mod.rs
index 8f83cb4..34cdf0a 100644
--- a/pkgr/src/package/mod.rs
+++ b/pkgr/src/package/mod.rs
@@ -1 +1 @@
-pub mod identifier;
\ No newline at end of file
+pub mod identifier;
diff --git a/pkgr/src/prelude.rs b/pkgr/src/prelude.rs
deleted file mode 100644
index d7ac579..0000000
--- a/pkgr/src/prelude.rs
+++ /dev/null
@@ -1 +0,0 @@
-pub struct Arguments(Vec<String>);
\ No newline at end of file