diff --git a/src/main.rs b/src/main.rs
index 63031c9..ed4ccee 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,5 @@
 mod pass;
+mod rbw;
 mod sh;
 
 use std::env;
@@ -8,11 +9,16 @@ const ENV_VAR_DEFAULT_VAULT: &str = "PASS_VAULT";
 
 fn main() -> Result<(), Error> {
     pass::check_pass()?;
+    rbw::check_rbw()?;
+
     let vaults = pass::get_vaults().vaults;
     if vaults.len() <= 0 {
         return Err(Error::new(ErrorKind::Other, "No vaults found"));
     }
-    let vault_names = vaults.iter().map(|vault| vault.name.clone()).collect::<Vec<String>>();
+    let vault_names = vaults
+        .iter()
+        .map(|vault| vault.name.clone())
+        .collect::<Vec<String>>();
 
     let vault;
     match env::var(ENV_VAR_DEFAULT_VAULT) {
diff --git a/src/pass.rs b/src/pass.rs
index f66922e..b473827 100644
--- a/src/pass.rs
+++ b/src/pass.rs
@@ -1,24 +1,24 @@
 use crate::sh;
-use std::io::{Error, ErrorKind};
 use serde::Deserialize;
+use std::io::{Error, ErrorKind};
 
 const EXECUTABLE: &str = "pass-cli";
 
 #[derive(Deserialize, Debug)]
 pub struct Vaults {
-    pub vaults: Vec<Vault>
+    pub vaults: Vec<Vault>,
 }
 
 #[derive(Deserialize, Debug)]
 pub struct Vault {
     pub name: String,
     pub vault_id: String,
-    pub share_id: String
+    pub share_id: String,
 }
 
 #[derive(Deserialize, Debug)]
 pub struct Items {
-    pub items: Vec<Item>
+    pub items: Vec<Item>,
 }
 
 #[derive(Deserialize, Debug)]
@@ -29,7 +29,7 @@ pub struct Item {
     pub content: ItemContent,
     pub state: String,
     pub create_time: String,
-    pub modify_time: String
+    pub modify_time: String,
 }
 
 #[derive(Deserialize, Debug)]
@@ -42,7 +42,7 @@ pub struct ItemContent {
 
 #[derive(Deserialize, Debug)]
 pub struct ItemContentContent {
-    pub Login: Option<ItemLogin>
+    pub Login: Option<ItemLogin>,
 }
 
 #[derive(Deserialize, Debug)]
@@ -51,7 +51,7 @@ pub struct ItemLogin {
     pub username: String,
     pub password: String,
     pub urls: Vec<String>,
-    pub totp_uri: String
+    pub totp_uri: String,
 }
 
 pub fn check_pass() -> Result<(), Error> {
diff --git a/src/rbw.rs b/src/rbw.rs
new file mode 100644
index 0000000..3a1033d
--- /dev/null
+++ b/src/rbw.rs
@@ -0,0 +1,35 @@
+use crate::sh;
+use serde::Deserialize;
+use std::io::{Error, ErrorKind};
+
+const EXECUTABLE: &str = "rbw";
+
+#[derive(Deserialize, Debug)]
+pub struct Item {
+    pub id: String,
+    pub name: String,
+    pub user: String,
+    pub uris: Vec<String>,
+    #[serde(rename = "type")]
+    pub type_: String,
+}
+
+pub fn check_rbw() -> Result<(), Error> {
+    let which = sh::sh(format!("which {}", EXECUTABLE));
+    if which.is_empty() {
+        return Err(Error::new(
+            ErrorKind::Other,
+            format!("{} is not installed", EXECUTABLE),
+        ));
+    }
+
+    let unlocked = sh::sh(format!("{} unlocked", EXECUTABLE));
+    if !unlocked.is_empty() {
+        return Err(Error::new(
+            ErrorKind::Other,
+            format!("{} database not unlocked", EXECUTABLE),
+        ));
+    }
+
+    return Ok(());
+}