diff --git a/Cargo.lock b/Cargo.lock
index 21fc571..509d1c1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -29,6 +29,54 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "250f629c0161ad8107cf89319e990051fae62832fd343083bea452d93e2205fd"
 
+[[package]]
+name = "anstream"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1f58811cfac344940f1a400b6e6231ce35171f614f26439e80f8c1465c5cc0c"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b84bf0a05bbb2a83e5eb6fa36bb6e87baa08193c35ff52bbf6b38d8af2890e46"
+
+[[package]]
+name = "anstyle-parse"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "938874ff5980b03a87c5524b3ae5b59cf99b1d6bc836848df7bc5ada9643c333"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
+dependencies = [
+ "windows-sys",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "58f54d10c6dfa51283a066ceab3ec1ab78d13fae00aa49243a45e4571fb79dfd"
+dependencies = [
+ "anstyle",
+ "windows-sys",
+]
+
 [[package]]
 name = "ascii"
 version = "0.9.3"
@@ -107,6 +155,52 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "clap"
+version = "4.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "824956d0dca8334758a5b7f7e50518d66ea319330cbceedcf76905c2f6ab30e3"
+dependencies = [
+ "clap_builder",
+ "clap_derive",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "122ec64120a49b4563ccaedcbea7818d069ed8e9aa6d829b82d8a4128936b2ab"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "clap_lex",
+ "strsim",
+]
+
+[[package]]
+name = "clap_derive"
+version = "4.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0862016ff20d69b84ef8247369fabf5c008a7417002411897d40ee1f4532b873"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.29",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd7cc57abe963c6d3b9d8be5b06ba7c8957a930305ca90304f24ef040aa6f961"
+
+[[package]]
+name = "colorchoice"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
+
 [[package]]
 name = "combine"
 version = "3.8.1"
@@ -380,6 +474,7 @@ dependencies = [
 name = "ggelo"
 version = "0.1.0"
 dependencies = [
+ "clap",
  "cynic",
  "cynic-codegen",
  "dirs",
@@ -430,6 +525,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "heck"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+
 [[package]]
 name = "hermit-abi"
 version = "0.3.2"
@@ -1249,6 +1350,12 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "utf8parse"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
+
 [[package]]
 name = "vcpkg"
 version = "0.2.15"
diff --git a/Cargo.toml b/Cargo.toml
index d7d0146..fe26228 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,6 +10,9 @@ name = "ggelo"
 path = "src/main.rs"
 
 [dependencies]
+# CLI
+clap = { version = "4.4", features = ["derive"] }
+
 # GraphQL schema
 schema.path = "schema"
 
diff --git a/src/main.rs b/src/main.rs
index be48a8b..1244d7c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,6 @@
 #![feature(iterator_try_collect)]
 
+use clap::{Parser, Subcommand};
 use std::io::{self, Write};
 
 mod queries;
@@ -9,36 +10,79 @@ use state::*;
 mod datasets;
 use datasets::*;
 
+/// ## CLI Structs
+
+#[derive(Parser)]
+#[command(name = "StartGGElo")]
+#[command(author = "Kiana Sheibani <kiana.a.sheibani@gmail.com>")]
+#[command(version = "0.1.0")]
+#[command(about = "Elo rating calculator for start.gg tournaments", long_about = None)]
+#[command(propagate_version = true)]
+struct Cli {
+    #[command(subcommand)]
+    subcommand: Subcommands,
+    #[arg(long)]
+    auth_token: Option<String>,
+}
+
+#[derive(Subcommand)]
+enum Subcommands {
+    Dataset {
+        #[command(subcommand)]
+        subcommand: DatasetSC,
+    },
+}
+
+#[derive(Subcommand)]
+enum DatasetSC {
+    List,
+}
+
 fn main() {
+    let cli = Cli::parse();
+
     let mut config_dir = dirs::config_dir().unwrap();
     config_dir.push("ggelo");
 
     let auth_token = get_auth_key(&config_dir).unwrap();
 
+    let app_state = AppState {
+        config_dir,
+        auth_token,
+    };
+
+    match cli.subcommand {
+        Subcommands::Dataset {
+            subcommand: DatasetSC::List,
+        } => dataset_list(app_state),
+    }
+
     // let config = AppState {
     //     config_dir,
     //     auth_token,
     // };
 
-    let path = dataset_path(&config_dir, "test").unwrap();
-    let connection = open_dataset(&path).unwrap();
+    // let path = dataset_path(&config_dir, "test").unwrap();
+    // let connection = open_dataset(&path).unwrap();
 
-    let set_data = SetData {
-        teams: vec![
-            vec![PlayerData {
-                id: PlayerId(1),
-                name: Some("player1".to_owned()),
-                prefix: None,
-            }],
-            vec![PlayerData {
-                id: PlayerId(2),
-                name: Some("player2".to_owned()),
-                prefix: None,
-            }],
-        ],
-        winner: 0,
-    };
+    // let set_data = SetData {
+    //     teams: vec![
+    //         vec![PlayerData {
+    //             id: PlayerId(1),
+    //             name: Some("player1".to_owned()),
+    //             prefix: None,
+    //         }],
+    //         vec![PlayerData {
+    //             id: PlayerId(2),
+    //             name: Some("player2".to_owned()),
+    //             prefix: None,
+    //         }],
+    //     ],
+    //     winner: 0,
+    // };
 
-    update_from_set(&connection, set_data.clone()).unwrap();
-    println!("{:?}", get_ratings(&connection, &set_data.teams).unwrap());
+    // update_from_set(&connection, set_data.clone()).unwrap();
+    // println!("{:?}", get_ratings(&connection, &set_data.teams).unwrap());
 }
+
+fn dataset_list(state: AppState) {}