diff --git a/src/commands/create.rs b/src/commands/create.rs
index bd27aea..b7dc5d9 100644
--- a/src/commands/create.rs
+++ b/src/commands/create.rs
@@ -1,4 +1,4 @@
-use std::error::Error;
+use std::{collections::HashMap, error::Error};
 
 use dialoguer::{FuzzySelect, Select, theme::ColorfulTheme};
 use futures_util::StreamExt;
@@ -6,7 +6,7 @@ use tokio::{fs::File, io::AsyncWriteExt};
 
 use crate::{
     models::{
-        config::{Config, Mods, Server},
+        config::{Config, Server},
         fabric::FabricVersions,
         vanilla::{VanillaVersionDetail, VanillaVersionType, VanillaVersions},
     },
@@ -188,7 +188,7 @@ impl LoaderDownloader for VanillaDownloader {
                 loader: Self::name(),
                 loader_version: None,
             },
-            mods: Mods {},
+            mods: HashMap::new(),
         };
 
         Ok(config)
@@ -302,7 +302,7 @@ impl LoaderDownloader for FabricDownloader {
                 loader: Self::name(),
                 loader_version: create.loader_version.clone(),
             },
-            mods: Mods {},
+            mods: HashMap::new(),
         };
 
         Ok(config)
diff --git a/src/commands/install.rs b/src/commands/install.rs
index 45b7579..caa1b74 100644
--- a/src/commands/install.rs
+++ b/src/commands/install.rs
@@ -27,7 +27,7 @@ impl Install {
         if file_res.is_err() {
             return Err("current directory is not a mcsm project".into());
         }
-        let config: Config = toml::from_str(&file_res.unwrap())?;
+        let mut config: Config = toml::from_str(&file_res.unwrap())?;
 
         if config.server.loader == "Vanilla" {
             return Err("cannot search for mods on Vanilla server".into());
@@ -47,7 +47,7 @@ impl Install {
                 game_versions: format!(r#"["{}"]"#, config.server.version),
             };
 
-            let install_result: Vec<InstallResult> = with_spinner(
+            let res: Vec<InstallResult> = with_spinner(
                 format!("fetching {}", mod_name).as_str(),
                 format!("fetched {}", mod_name).as_str(),
                 || async {
@@ -62,7 +62,9 @@ impl Install {
             )
             .await?;
 
-            let file = install_result.first().unwrap().files.first().unwrap();
+            let install_result = res.first().unwrap();
+            let file = &install_result.files.first().unwrap();
+            let version_number = &install_result.version_number;
             with_progressbar(
                 format!("downloading {}", mod_name).as_str(),
                 format!("downloaded {}", mod_name).as_str(),
@@ -88,7 +90,7 @@ impl Install {
                 let verified = verify_sha512(&data, &file.hashes.sha512);
 
                 if !verified {
-                    tokio::fs::remove_file("server.jar").await?;
+                    tokio::fs::remove_file(&file.filename).await?;
                     return Err("sha1 verifaction failed for downloaded file".into());
                 }
 
@@ -96,6 +98,8 @@ impl Install {
             })
             .await?;
             println!();
+
+            config.mods.insert(mod_name.clone(), version_number.clone());
         }
 
         println!(
@@ -103,6 +107,13 @@ impl Install {
             dialoguer::console::style("✔").green()
         );
 
+        with_spinner("saving to config", "saved to config", || async {
+            std::env::set_current_dir("..")?;
+            let config_str = toml::to_string(&config)?;
+            tokio::fs::write("mcsm.toml", config_str).await?;
+            Ok(())
+        }).await?;
+
         Ok(())
     }
 }
diff --git a/src/models/config.rs b/src/models/config.rs
index 3505350..74852a6 100644
--- a/src/models/config.rs
+++ b/src/models/config.rs
@@ -1,9 +1,11 @@
+use std::collections::HashMap;
+
 use serde::{Deserialize, Serialize};
 
 #[derive(Deserialize, Serialize)]
 pub struct Config {
     pub server: Server,
-    pub mods: Mods,
+    pub mods: HashMap<String, String>,
 }
 
 #[derive(Deserialize, Serialize)]
@@ -12,6 +14,3 @@ pub struct Server {
     pub loader: String,
     pub loader_version: Option<String>,
 }
-
-#[derive(Deserialize, Serialize)]
-pub struct Mods {}