diff --git a/src/main/kotlin/org/move/cli/BuildDirectoryWatcher.kt b/src/main/kotlin/org/move/cli/BuildDirectoryWatcher.kt
index ad6c89b62..73f3ffdcd 100644
--- a/src/main/kotlin/org/move/cli/BuildDirectoryWatcher.kt
+++ b/src/main/kotlin/org/move/cli/BuildDirectoryWatcher.kt
@@ -14,9 +14,9 @@ class BuildDirectoryWatcher(
     }
 
     override fun after(events: MutableList<out VFileEvent>) {
-        val builds = moveProjects.map { FileUtil.join(it.contentRoot.path, "build") }
+        val buildDirectories = moveProjects.map { FileUtil.join(it.contentRoot.path, "build") }
         for (event in events) {
-            if (builds.any { event.pathStartsWith(it) }) {
+            if (buildDirectories.any { event.pathStartsWith(it) }) {
                 onChange()
                 return
             }
diff --git a/src/main/kotlin/org/move/cli/MoveTomlWatcher.kt b/src/main/kotlin/org/move/cli/MoveTomlWatcher.kt
index 864935755..5c5486665 100644
--- a/src/main/kotlin/org/move/cli/MoveTomlWatcher.kt
+++ b/src/main/kotlin/org/move/cli/MoveTomlWatcher.kt
@@ -17,8 +17,10 @@ class MoveTomlWatcher(
     }
 }
 
-fun VFileEvent.pathStartsWith(prefix: String): Boolean = path.startsWith(prefix) ||
-        this is VFilePropertyChangeEvent && oldPath.startsWith(prefix)
+fun VFileEvent.pathStartsWith(prefix: String): Boolean =
+    path.startsWith(prefix) ||
+            this is VFilePropertyChangeEvent && oldPath.startsWith(prefix)
 
-fun VFileEvent.pathEndsWith(suffix: String): Boolean = path.endsWith(suffix) ||
-        this is VFilePropertyChangeEvent && oldPath.endsWith(suffix)
+fun VFileEvent.pathEndsWith(suffix: String): Boolean =
+    path.endsWith(suffix) ||
+            this is VFilePropertyChangeEvent && oldPath.endsWith(suffix)
diff --git a/src/main/kotlin/org/move/lang/core/completion/providers/MvPathCompletionProvider.kt b/src/main/kotlin/org/move/lang/core/completion/providers/MvPathCompletionProvider.kt
index 58de35df0..aa2a2409a 100644
--- a/src/main/kotlin/org/move/lang/core/completion/providers/MvPathCompletionProvider.kt
+++ b/src/main/kotlin/org/move/lang/core/completion/providers/MvPathCompletionProvider.kt
@@ -120,7 +120,7 @@ object TypesCompletionProvider : MvPathCompletionProvider() {
         return ItemVis(
             setOf(Namespace.TYPE),
             Visibility.none(),
-            mslScope = MslScope.NONE,
+            mslScope = pathElement.mslScope,
             itemScope = pathElement.itemScope,
         )
     }
diff --git a/src/main/kotlin/org/move/lang/core/psi/ext/PsiElement.kt b/src/main/kotlin/org/move/lang/core/psi/ext/PsiElement.kt
index 629a352e0..59414e064 100644
--- a/src/main/kotlin/org/move/lang/core/psi/ext/PsiElement.kt
+++ b/src/main/kotlin/org/move/lang/core/psi/ext/PsiElement.kt
@@ -186,6 +186,10 @@ fun PsiElement.equalsTo(another: PsiElement): Boolean =
 fun PsiElement.isMsl(): Boolean {
     return getProjectPsiDependentCache(this) {
         if (it !is MvElement) return@getProjectPsiDependentCache false
+
+        // use items always non-msl, otherwise import resolution doesn't work correctly
+        if (it is MvUseItem) return@getProjectPsiDependentCache false
+
         val specElement = PsiTreeUtil.findFirstParent(it, false) { parent ->
             parent is MvSpecFunction
                     || parent is MvItemSpecBlockExpr
diff --git a/src/main/kotlin/org/move/lang/core/resolve/MatchingProcessor.kt b/src/main/kotlin/org/move/lang/core/resolve/MatchingProcessor.kt
index d2c66b0a0..81809852a 100644
--- a/src/main/kotlin/org/move/lang/core/resolve/MatchingProcessor.kt
+++ b/src/main/kotlin/org/move/lang/core/resolve/MatchingProcessor.kt
@@ -1,6 +1,7 @@
 package org.move.lang.core.resolve
 
 import org.move.lang.core.psi.MvNamedElement
+import org.move.lang.core.psi.ext.isMsl
 
 data class SimpleScopeEntry<T : MvNamedElement>(
     val name: String,
@@ -11,7 +12,9 @@ fun interface MatchingProcessor<T : MvNamedElement> {
     fun match(entry: SimpleScopeEntry<T>): Boolean
 
     fun match(itemVis: ItemVis, element: T): Boolean {
+        if (element.isMsl() && !itemVis.isMsl) return false
         if (!element.isVisibleInScope(itemVis.itemScope)) return false
+
         val name = element.name ?: return false
         val entry = SimpleScopeEntry(name, element)
         return match(entry)
diff --git a/src/test/kotlin/org/move/lang/resolve/ResolveSpecsTest.kt b/src/test/kotlin/org/move/lang/resolve/ResolveSpecsTest.kt
index 2b0a103a5..cf25bf9e8 100644
--- a/src/test/kotlin/org/move/lang/resolve/ResolveSpecsTest.kt
+++ b/src/test/kotlin/org/move/lang/resolve/ResolveSpecsTest.kt
@@ -512,4 +512,46 @@ class ResolveSpecsTest: ResolveTestCase() {
         }
     } 
     """)
+
+    fun `test spec functions not available in main code`() = checkByCode("""
+    module 0x1::main {
+        fun call() {
+            spec_add();
+            //^ unresolved
+        }
+    }    
+    spec 0x1::main {
+        spec fun spec_add(): u8 { 1 }
+    }
+    """)
+
+    fun `test spec functions are available in spec code`() = checkByCode("""
+    module 0x1::main {
+        fun call() {
+        }
+        spec call {
+            spec_add();
+            //^
+        }
+    }    
+    spec 0x1::main {
+        spec fun spec_add(): u8 { 1 }
+                 //X
+    }
+    """)
+
+    fun `test spec functions are available in spec module code`() = checkByCode("""
+    module 0x1::main {
+        fun call() {
+        }
+    }    
+    spec 0x1::main {
+        spec fun spec_add(): u8 { 1 }
+                 //X
+        spec call {
+            spec_add();
+            //^
+        }
+    }
+    """)
 }