diff --git a/deps.edn b/deps.edn
index d9ed180b..b89e400f 100644
--- a/deps.edn
+++ b/deps.edn
@@ -7,6 +7,7 @@
          "feature-hiccup"
          "feature-test-check"
          "feature-spec-alpha"
+         "feature-malli"
          "pods/src"
          "babashka.nrepl/src"
          "depstar/src" "process/src"
@@ -34,7 +35,8 @@
         babashka/clojure-lanterna {:mvn/version "0.9.8-SNAPSHOT"}
         org.clojure/math.combinatorics {:mvn/version "0.1.6"}
         org.clojure/core.match {:mvn/version "1.0.0"}
-        hiccup/hiccup {:mvn/version "2.0.0-alpha2"}}
+        hiccup/hiccup {:mvn/version "2.0.0-alpha2"}
+        metosin/malli {:mvn/version "0.2.1"}}
  :aliases {:main
            {:main-opts ["-m" "babashka.main"]}
            :profile
diff --git a/feature-malli/babashka/impl/malli.clj b/feature-malli/babashka/impl/malli.clj
new file mode 100644
index 00000000..29ee6218
--- /dev/null
+++ b/feature-malli/babashka/impl/malli.clj
@@ -0,0 +1,11 @@
+(ns babashka.impl.malli
+  {:no-doc true}
+  (:require [malli.core :as m]
+            [sci.core :as sci :refer [copy-var]]))
+
+(def mns (sci/create-ns 'malli.core nil))
+
+(def malli-namespace
+  {'validate (copy-var m/validate mns)
+   'validator (copy-var m/validator mns)
+   })
diff --git a/project.clj b/project.clj
index b91000a0..fe674043 100644
--- a/project.clj
+++ b/project.clj
@@ -53,6 +53,8 @@
                               :dependencies [[hiccup/hiccup "2.0.0-alpha2"]]}
              :feature/test-check {:source-paths ["feature-test-check"]}
              :feature/spec-alpha {:source-paths ["feature-spec-alpha"]}
+             :feature/malli {:source-paths ["feature-malli"]
+                             :dependencies [[metosin/malli "0.2.1"]]}
              :test [:feature/xml
                     :feature/lanterna
                     :feature/yaml
diff --git a/script/compile b/script/compile
index 5451c4f6..6c8bf451 100755
--- a/script/compile
+++ b/script/compile
@@ -103,6 +103,7 @@ then
     export BABASHKA_FEATURE_HICCUP="${BABASHKA_FEATURE_HICCUP:-false}"
     export BABASHKA_FEATURE_TEST_CHECK="${BABASHKA_FEATURE_TEST_CHECK:-false}"
     export BABASHKA_FEATURE_SPEC_ALPHA="${BABASHKA_FEATURE_SPEC_ALPHA:-false}"
+    export BABASHKA_FEATURE_MALLI="${BABASHKA_FEATURE_MALLI:-false}"
 fi
 
 "$GRAALVM_HOME/bin/native-image" "${args[@]}"
diff --git a/script/uberjar b/script/uberjar
index 56e64669..f6c942c7 100755
--- a/script/uberjar
+++ b/script/uberjar
@@ -146,6 +146,13 @@ else
     BABASHKA_LEIN_PROFILES+=",-feature/spec-alpha"
 fi
 
+if [ "$BABASHKA_FEATURE_MALLI" != "false" ]
+then
+    BABASHKA_LEIN_PROFILES+=",+feature/malli"
+else
+    BABASHKA_LEIN_PROFILES+=",-feature/malli"
+fi
+
 if [ -z "$BABASHKA_JAR" ]; then
     lein with-profiles "$BABASHKA_LEIN_PROFILES,+reflection,-uberjar" do run
     lein with-profiles "$BABASHKA_LEIN_PROFILES" do clean, uberjar
diff --git a/script/uberjar.bat b/script/uberjar.bat
index 6e71856f..f8144a94 100755
--- a/script/uberjar.bat
+++ b/script/uberjar.bat
@@ -112,6 +112,13 @@ set BABASHKA_LEIN_PROFILES=%BABASHKA_LEIN_PROFILES%,+feature/spec-alpha
 set BABASHKA_LEIN_PROFILES=%BABASHKA_LEIN_PROFILES%,-feature/spec-alpha
 )
 
+if not "%BABASHKA_FEATURE_MALLI%"=="false" (
+set BABASHKA_LEIN_PROFILES=%BABASHKA_LEIN_PROFILES%,+feature/malli
+) else (
+set BABASHKA_LEIN_PROFILES=%BABASHKA_LEIN_PROFILES%,-feature/malli
+)
+
+
 call lein with-profiles %BABASHKA_LEIN_PROFILES% bb "(+ 1 2 3)"
 
 call lein with-profiles %BABASHKA_LEIN_PROFILES%,+reflection,-uberjar do run
diff --git a/src/babashka/impl/features.clj b/src/babashka/impl/features.clj
index ee097903..4afcac92 100644
--- a/src/babashka/impl/features.clj
+++ b/src/babashka/impl/features.clj
@@ -14,6 +14,7 @@
 (def core-match?     (not= "false" (System/getenv "BABASHKA_FEATURE_CORE_MATCH")))
 (def hiccup?         (not= "false" (System/getenv "BABASHKA_FEATURE_HICCUP")))
 (def test-check?     (not= "false" (System/getenv "BABASHKA_FEATURE_TEST_CHECK")))
+(def malli?          (not= "false" (System/getenv "BABASHKA_FEATURE_MALLI")))
 
 ;; excluded by default
 (def jdbc? (= "true" (System/getenv "BABASHKA_FEATURE_JDBC")))
@@ -66,3 +67,6 @@
 
 (when spec-alpha?
   (require '[babashka.impl.spec]))
+
+(when malli?
+  (require '[babashka.impl.malli]))
diff --git a/src/babashka/main.clj b/src/babashka/main.clj
index fbe391a8..2097cdc3 100644
--- a/src/babashka/main.clj
+++ b/src/babashka/main.clj
@@ -273,7 +273,8 @@ Use -- to separate script command line args from bb command line args.
  :feature/core-match %s
  :feature/hiccup     %s
  :feature/test-check %s
- :feature/spec-alpha %s}")
+ :feature/spec-alpha %s
+ :feature/malli      %s}")
     version
     features/core-async?
     features/csv?
@@ -290,7 +291,8 @@ Use -- to separate script command line args from bb command line args.
     features/core-match?
     features/hiccup?
     features/test-check?
-    features/spec-alpha?)))
+    features/spec-alpha?
+    features/malli?)))
 
 (defn read-file [file]
   (let [f (io/file file)]
@@ -421,7 +423,9 @@ Use -- to separate script command line args from bb command line args.
     features/spec-alpha? (-> (assoc        ;; spec
                               'clojure.spec.alpha @(resolve 'babashka.impl.spec/spec-namespace)
                               'clojure.spec.gen.alpha @(resolve 'babashka.impl.spec/gen-namespace)
-                              'clojure.spec.test.alpha @(resolve 'babashka.impl.spec/test-namespace)))))
+                              'clojure.spec.test.alpha @(resolve 'babashka.impl.spec/test-namespace)))
+    features/malli? (assoc 'malli.core
+                           @(resolve 'babashka.impl.malli/malli-namespace))))
 
 (def imports
   '{ArithmeticException java.lang.ArithmeticException