diff --git a/cli/src/commands/debug.rs b/cli/src/commands/debug.rs
index f29a80e3f..22027c7ef 100644
--- a/cli/src/commands/debug.rs
+++ b/cli/src/commands/debug.rs
@@ -39,6 +39,10 @@ pub fn wasm() -> Command {
         )
 }
 
+pub fn modules() -> Command {
+    super::command("modules").about("List available modules")
+}
+
 pub fn debug() -> Command {
     super::command("debug")
         .about("Debug utilities")
@@ -47,6 +51,7 @@ pub fn debug() -> Command {
         .subcommand(ast())
         .subcommand(cst())
         .subcommand(wasm())
+        .subcommand(modules())
 }
 
 pub fn exec_debug(args: &ArgMatches) -> anyhow::Result<()> {
@@ -54,6 +59,7 @@ pub fn exec_debug(args: &ArgMatches) -> anyhow::Result<()> {
         Some(("ast", args)) => exec_ast(args),
         Some(("cst", args)) => exec_cst(args),
         Some(("wasm", args)) => exec_wasm(args),
+        Some(("modules", args)) => exec_modules(args),
         _ => unreachable!(),
     }
 }
@@ -104,3 +110,10 @@ fn exec_wasm(args: &ArgMatches) -> anyhow::Result<()> {
 
     Ok(())
 }
+
+fn exec_modules(_args: &ArgMatches) -> anyhow::Result<()> {
+    for name in yara_x::mods::module_names() {
+        println!("{}", name);
+    }
+    Ok(())
+}
diff --git a/lib/src/modules/mod.rs b/lib/src/modules/mod.rs
index 7af5cae14..52c7e9259 100644
--- a/lib/src/modules/mod.rs
+++ b/lib/src/modules/mod.rs
@@ -256,4 +256,12 @@ pub mod mods {
         info.lnk = protobuf::MessageField(invoke::<Lnk>(data));
         info
     }
+
+    /// A vector of all module names. Useful for displaying currently compiled
+    /// modules.
+    ///
+    /// See the "debug modules" command.
+    pub fn module_names() -> Vec<&'static str> {
+        super::BUILTIN_MODULES.keys().map(|&k| k).collect()
+    }
 }