diff --git a/harsh-client/src/commands.rs b/harsh-client/src/commands.rs
index 1d0f98f..5be95e9 100644
--- a/harsh-client/src/commands.rs
+++ b/harsh-client/src/commands.rs
@@ -57,6 +57,30 @@ pub fn parse(input: &str) -> Option<Command> {
             let content = parts.next()?;
             ClientRequest::new_message_set_content(channel_id, id, content)
         }
+        "usrls" => ClientRequest::new_user_list(),
+        "usradd" => {
+            let name = parts.next()?;
+            let pass = parts.next()?;
+            ClientRequest::new_user_create(name, pass)
+        }
+        "usrdel" => {
+            let id = parts.next()?.parse().ok()?;
+            ClientRequest::new_user_delete(id)
+        }
+        "usrgname" => {
+            let id = parts.next()?.parse().ok()?;
+            ClientRequest::new_user_get_name(id)
+        }
+        "usrsname" => {
+            let id = parts.next()?.parse().ok()?;
+            let name = parts.next()?;
+            ClientRequest::new_user_set_name(id, name)
+        }
+        "usrspass" => {
+            let id = parts.next()?.parse().ok()?;
+            let pass = parts.next()?;
+            ClientRequest::new_user_set_pass(id, pass)
+        }
         _ => return None,
     };
 
@@ -85,6 +109,12 @@ pub const CMDS: &'static [Description] = &[
         &["channel_id", "id", "content"],
         "set a message's content",
     ),
+    Description::new("usrls", &[], "list users"),
+    Description::new("usradd", &["name", "pass"], "add a user"),
+    Description::new("usrdel", &["id"], "delete a user"),
+    Description::new("usrgname", &["id"], "get a user name"),
+    Description::new("usrsname", &["id", "name"], "set a user name"),
+    Description::new("usrspass", &["id", "pass"], "set a user pass"),
 ];
 
 pub fn smart_split(input: &str) -> Vec<String> {
@@ -103,12 +133,8 @@ pub fn smart_split(input: &str) -> Vec<String> {
         }
 
         match char {
-            '\\' => {
-                ignoring = true;
-            }
-            '"' => {
-                capturing = !capturing;
-            }
+            '\\' => ignoring = true,
+            '"' => capturing = !capturing,
             ' ' if !capturing => {
                 result.push(current);
                 current = String::new();
diff --git a/harsh-common/src/client.rs b/harsh-common/src/client.rs
index ed998da..13540be 100644
--- a/harsh-common/src/client.rs
+++ b/harsh-common/src/client.rs
@@ -162,6 +162,24 @@ impl ClientRequest {
             content,
         })
     }
+    pub fn new_user_list() -> Self {
+        Self::UserList(UserList {})
+    }
+    pub fn new_user_create(name: String, pass: String) -> Self {
+        Self::UserCreate(UserCreate { name, pass })
+    }
+    pub fn new_user_delete(id: u64) -> Self {
+        Self::UserDelete(UserDelete { id })
+    }
+    pub fn new_user_get_name(id: u64) -> Self {
+        Self::UserGetName(UserGetName { id })
+    }
+    pub fn new_user_set_name(id: u64, name: String) -> Self {
+        Self::UserSetName(UserSetName { id, name })
+    }
+    pub fn new_user_set_pass(id: u64, pass: String) -> Self {
+        Self::UserSetPass(UserSetPass { id, pass })
+    }
 
     pub fn try_parse(line: &str) -> Option<Self> {
         use repr::Command::*;
diff --git a/harsh-common/src/server.rs b/harsh-common/src/server.rs
index 5a43d51..b19900d 100644
--- a/harsh-common/src/server.rs
+++ b/harsh-common/src/server.rs
@@ -61,7 +61,9 @@ pub struct MessageSetContent {
 }
 
 #[derive(Debug)]
-pub struct UserList {}
+pub struct UserList {
+    pub users: Vec<u64>,
+}
 
 #[derive(Debug)]
 pub struct UserCreate {
@@ -174,6 +176,30 @@ impl ServerRequest {
         })
     }
 
+    pub fn new_user_list(users: Vec<u64>) -> Self {
+        Self::UserList(UserList { users })
+    }
+
+    pub fn new_user_create(id: u64, name: String) -> Self {
+        Self::UserCreate(UserCreate { id, name })
+    }
+
+    pub fn new_user_delete(id: u64) -> Self {
+        Self::UserDelete(UserDelete { id })
+    }
+
+    pub fn new_user_get_name(id: u64, name: Option<String>) -> Self {
+        Self::UserGetName(UserGetName { id, name })
+    }
+
+    pub fn new_user_set_name(id: u64, name: String) -> Self {
+        Self::UserSetName(UserSetName { id, name })
+    }
+
+    pub fn new_user_set_pass(id: u64) -> Self {
+        Self::UserSetPass(UserSetPass { id })
+    }
+
     pub fn try_parse(line: &str) -> Option<Self> {
         use repr::Command::*;
         let command: repr::Command = serde_json::from_str(line).ok()?;
@@ -221,7 +247,7 @@ impl ServerRequest {
                 content,
                 id,
             }),
-            user_list {} => Self::UserList(UserList {}),
+            user_list { users } => Self::UserList(UserList { users }),
             user_create { id, name } => Self::UserCreate(UserCreate { id, name }),
             user_delete { id } => Self::UserDelete(UserDelete { id }),
             user_get_name { id, name } => Self::UserGetName(UserGetName { id, name }),
@@ -278,7 +304,7 @@ impl ServerRequest {
                 id,
                 content,
             },
-            Self::UserList(UserList {}) => user_list {},
+            Self::UserList(UserList { users }) => user_list { users },
             Self::UserCreate(UserCreate { id, name }) => user_create { id, name },
             Self::UserDelete(UserDelete { id }) => user_delete { id },
             Self::UserGetName(UserGetName { id, name }) => user_get_name { id, name },
@@ -342,7 +368,9 @@ mod repr {
             id: u64,
             content: String,
         },
-        user_list {},
+        user_list {
+            users: Vec<u64>,
+        },
         user_create {
             id: u64,
             name: String,
diff --git a/harsh-server/src/gateway.rs b/harsh-server/src/gateway.rs
index 17fe20f..d1c61b0 100644
--- a/harsh-server/src/gateway.rs
+++ b/harsh-server/src/gateway.rs
@@ -51,22 +51,54 @@ impl GatewayProc {
 
             // TODO: user
             UserList(c::UserList {}) => {
-                todo!()
+                let (cmd, rec) = StorageCmd::new_user_list();
+                self.storage.send(cmd).unwrap();
+                let result = rec.await.unwrap().iter().map(Id::to_u64).collect();
+                let request = ServerRequest::new_user_list(result);
+                let command = SessionCmd::new_send(address, request);
+                self.sessions.send(command).unwrap();
             }
+
             UserCreate(c::UserCreate { name, pass }) => {
-                todo!()
+                let (cmd, rec) = StorageCmd::new_user_create(name.clone(), pass);
+                self.storage.send(cmd).unwrap();
+                let id = rec.await.unwrap();
+                let request = ServerRequest::new_user_create(id.into(), name);
+                let command = SessionCmd::new_broadcast(request);
+                self.sessions.send(command).unwrap();
             }
+
             UserDelete(c::UserDelete { id }) => {
-                todo!()
+                let command = StorageCmd::new_user_delete(id.into());
+                self.storage.send(command).unwrap();
+                let request = ServerRequest::new_user_delete(id.into());
+                let command = SessionCmd::new_broadcast(request);
+                self.sessions.send(command).unwrap();
             }
+
             UserGetName(c::UserGetName { id }) => {
-                todo!()
+                let (cmd, rec) = StorageCmd::new_user_get_name(id.into());
+                self.storage.send(cmd).unwrap();
+                let name = rec.await.unwrap();
+                let request = ServerRequest::new_user_get_name(id.into(), name);
+                let command = SessionCmd::new_send(address, request);
+                self.sessions.send(command).unwrap();
             }
+
             UserSetName(c::UserSetName { id, name }) => {
-                todo!()
+                let command = StorageCmd::new_user_set_name(id.into(), name.clone());
+                self.storage.send(command).unwrap();
+                let request = ServerRequest::new_user_set_name(id.into(), name);
+                let command = SessionCmd::new_broadcast(request);
+                self.sessions.send(command).unwrap();
             }
+
             UserSetPass(c::UserSetPass { id, pass }) => {
-                todo!()
+                let command = StorageCmd::new_user_set_pass(id.into(), pass);
+                self.storage.send(command).unwrap();
+                let request = ServerRequest::new_user_set_pass(id.into());
+                let command = SessionCmd::new_send(address, request);
+                self.sessions.send(command).unwrap();
             }
         }
     }
diff --git a/harsh-server/src/storage.rs b/harsh-server/src/storage.rs
index ec72fdf..8fd00f2 100644
--- a/harsh-server/src/storage.rs
+++ b/harsh-server/src/storage.rs
@@ -74,6 +74,42 @@ impl StorageCmd {
     pub fn new_message_set_content(channel_id: Id, id: Id, content: String) -> Self {
         Self::MessageSetContent(channel_id, id, content)
     }
+
+    pub fn new_user_list() -> (Self, Receiver<Vec<Id>>) {
+        let (sender, receiver) = oneshot::channel();
+        let cmd = Self::UserList(sender);
+        (cmd, receiver)
+    }
+
+    pub fn new_user_create(name: String, pass: String) -> (Self, Receiver<Id>) {
+        let (sender, receiver) = oneshot::channel();
+        let cmd = Self::UserCreate(name, pass, sender);
+        (cmd, receiver)
+    }
+
+    pub fn new_user_delete(id: Id) -> Self {
+        Self::UserDelete(id)
+    }
+
+    pub fn new_user_get_name(id: Id) -> (Self, Receiver<Option<String>>) {
+        let (sender, receiver) = oneshot::channel();
+        let cmd = Self::UserGetName(id, sender);
+        (cmd, receiver)
+    }
+
+    pub fn new_user_set_name(id: Id, name: String) -> Self {
+        Self::UserSetName(id, name)
+    }
+
+    pub fn new_user_get_pass(id: Id) -> (Self, Receiver<Option<String>>) {
+        let (sender, receiver) = oneshot::channel();
+        let cmd = Self::UserGetPass(id, sender);
+        (cmd, receiver)
+    }
+
+    pub fn new_user_set_pass(id: Id, pass: String) -> Self {
+        Self::UserSetPass(id, pass)
+    }
 }
 
 pub struct StorageProc {
diff --git a/harsh-server/src/utils.rs b/harsh-server/src/utils.rs
index 620cfbe..f5c0b5e 100644
--- a/harsh-server/src/utils.rs
+++ b/harsh-server/src/utils.rs
@@ -43,6 +43,12 @@ impl From<u64> for Id {
     }
 }
 
+impl From<Id> for u64 {
+    fn from(input: Id) -> Self {
+        input.to_u64()
+    }
+}
+
 #[test]
 fn test_string_convertion() {
     let id = Id::from_now();