diff --git a/compiler/cli/cli-js/src/org/jetbrains/kotlin/cli/js/klib/compilerPipeline.kt b/compiler/cli/cli-js/src/org/jetbrains/kotlin/cli/js/klib/compilerPipeline.kt
index 9398d2e2d9a..7610800fc32 100644
--- a/compiler/cli/cli-js/src/org/jetbrains/kotlin/cli/js/klib/compilerPipeline.kt
+++ b/compiler/cli/cli-js/src/org/jetbrains/kotlin/cli/js/klib/compilerPipeline.kt
@@ -176,6 +176,7 @@ fun compileModuleToAnalyzedFirWithPsi(
         },
         useWasmPlatform = useWasmPlatform,
     )
+    output.runPlatformCheckers(diagnosticsReporter)
     return AnalyzedFirWithPsiOutput(output, ktFiles)
 }
 
@@ -204,6 +205,7 @@ fun compileModulesToAnalyzedFirWithLightTree(
         },
         useWasmPlatform = useWasmPlatform,
     )
+    output.runPlatformCheckers(diagnosticsReporter)
     return AnalyzedFirOutput(output)
 }
 
diff --git a/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/FirKotlinToJvmBytecodeCompiler.kt b/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/FirKotlinToJvmBytecodeCompiler.kt
index 0b0abafa36e..7b526d65235 100644
--- a/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/FirKotlinToJvmBytecodeCompiler.kt
+++ b/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/FirKotlinToJvmBytecodeCompiler.kt
@@ -37,6 +37,7 @@ import org.jetbrains.kotlin.fir.packageFqName
 import org.jetbrains.kotlin.fir.pipeline.Fir2IrActualizedResult
 import org.jetbrains.kotlin.fir.pipeline.FirResult
 import org.jetbrains.kotlin.fir.pipeline.buildResolveAndCheckFirFromKtFiles
+import org.jetbrains.kotlin.fir.pipeline.runPlatformCheckers
 import org.jetbrains.kotlin.fir.types.arrayElementType
 import org.jetbrains.kotlin.fir.types.coneType
 import org.jetbrains.kotlin.fir.types.isArrayType
@@ -220,6 +221,7 @@ object FirKotlinToJvmBytecodeCompiler {
         val outputs = sessionsWithSources.map { (session, sources) ->
             buildResolveAndCheckFirFromKtFiles(session, sources, diagnosticsReporter)
         }
+        outputs.runPlatformCheckers(diagnosticsReporter)
 
         return runUnless(syntaxErrors || diagnosticsReporter.hasErrors) { FirResult(outputs) }
     }
diff --git a/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/pipeline/compilerPipeline.kt b/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/pipeline/compilerPipeline.kt
index 348663ca99e..6f9d9ca849d 100644
--- a/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/pipeline/compilerPipeline.kt
+++ b/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/pipeline/compilerPipeline.kt
@@ -314,6 +314,7 @@ fun compileModuleToAnalyzedFir(
     val outputs = sessionWithSources.map { (session, sources) ->
         buildResolveAndCheckFirViaLightTree(session, sources, diagnosticsReporter, countFilesAndLines)
     }
+    outputs.runPlatformCheckers(diagnosticsReporter)
 
     return FirResult(outputs)
 }
diff --git a/compiler/cli/src/org/jetbrains/kotlin/cli/metadata/FirMetadataSerializer.kt b/compiler/cli/src/org/jetbrains/kotlin/cli/metadata/FirMetadataSerializer.kt
index 8f61965694c..9ddcb5babeb 100644
--- a/compiler/cli/src/org/jetbrains/kotlin/cli/metadata/FirMetadataSerializer.kt
+++ b/compiler/cli/src/org/jetbrains/kotlin/cli/metadata/FirMetadataSerializer.kt
@@ -36,6 +36,7 @@ import org.jetbrains.kotlin.fir.pipeline.buildFirFromKtFiles
 import org.jetbrains.kotlin.fir.pipeline.buildFirViaLightTree
 import org.jetbrains.kotlin.fir.pipeline.resolveAndCheckFir
 import org.jetbrains.kotlin.fir.resolve.providers.firProvider
+import org.jetbrains.kotlin.fir.pipeline.*
 import org.jetbrains.kotlin.fir.serialization.FirKLibSerializerExtension
 import org.jetbrains.kotlin.fir.serialization.serializeSingleFirFile
 import org.jetbrains.kotlin.library.SerializedMetadata
@@ -148,6 +149,7 @@ internal class FirMetadataSerializer(
             }
         }
 
+        outputs.runPlatformCheckers(diagnosticsReporter)
 
         return if (diagnosticsReporter.hasErrors) {
             val renderDiagnosticNames = configuration.getBoolean(CLIConfigurationKeys.RENDER_DIAGNOSTIC_INTERNAL_NAME)
diff --git a/compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/pipeline/analyse.kt b/compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/pipeline/analyse.kt
index 853ea056811..34773f97052 100644
--- a/compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/pipeline/analyse.kt
+++ b/compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/pipeline/analyse.kt
@@ -25,7 +25,7 @@ fun FirSession.runCheckers(
     scopeSession: ScopeSession,
     firFiles: Collection<FirFile>,
     reporter: BaseDiagnosticsCollector,
-    mppCheckerKind: MppCheckerKind = TODO()
+    mppCheckerKind: MppCheckerKind
 ): Map<FirFile, List<KtDiagnostic>> {
     val collector = DiagnosticComponentsFactory.create(this, scopeSession, mppCheckerKind)
     collector.collectDiagnosticsInSettings(reporter)
diff --git a/compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/pipeline/convertToIr.kt b/compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/pipeline/convertToIr.kt
index d2cb5032ec0..35ae687b50c 100644
--- a/compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/pipeline/convertToIr.kt
+++ b/compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/pipeline/convertToIr.kt
@@ -13,7 +13,9 @@ import org.jetbrains.kotlin.backend.common.actualizer.SpecialFakeOverrideSymbols
 import org.jetbrains.kotlin.backend.common.extensions.IrGenerationExtension
 import org.jetbrains.kotlin.backend.common.extensions.IrPluginContext
 import org.jetbrains.kotlin.builtins.KotlinBuiltIns
+import org.jetbrains.kotlin.diagnostics.impl.BaseDiagnosticsCollector
 import org.jetbrains.kotlin.fir.FirSession
+import org.jetbrains.kotlin.fir.analysis.checkers.MppCheckerKind
 import org.jetbrains.kotlin.fir.backend.*
 import org.jetbrains.kotlin.fir.backend.jvm.Fir2IrJvmSpecialAnnotationSymbolProvider
 import org.jetbrains.kotlin.fir.declarations.FirFile
@@ -41,6 +43,15 @@ data class Fir2IrActualizedResult(
     val irActualizedResult: IrActualizedResult?,
 )
 
+fun List<ModuleCompilerAnalyzedOutput>.runPlatformCheckers(reporter: BaseDiagnosticsCollector) {
+    val platformModule = this.last()
+    val session = platformModule.session
+    val scopeSession = platformModule.scopeSession
+
+    val allFiles = this.flatMap { it.fir }
+    session.runCheckers(scopeSession, allFiles, reporter, MppCheckerKind.Platform)
+}
+
 fun FirResult.convertToIrAndActualize(
     fir2IrExtensions: Fir2IrExtensions,
     fir2IrConfiguration: Fir2IrConfiguration,
diff --git a/compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/pipeline/firUtils.kt b/compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/pipeline/firUtils.kt
index 38793e8be3e..584d985ac92 100644
--- a/compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/pipeline/firUtils.kt
+++ b/compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/pipeline/firUtils.kt
@@ -9,6 +9,7 @@ import org.jetbrains.kotlin.KtSourceFile
 import org.jetbrains.kotlin.diagnostics.DiagnosticReporter
 import org.jetbrains.kotlin.diagnostics.impl.BaseDiagnosticsCollector
 import org.jetbrains.kotlin.fir.FirSession
+import org.jetbrains.kotlin.fir.analysis.checkers.MppCheckerKind
 import org.jetbrains.kotlin.fir.builder.PsiRawFirBuilder
 import org.jetbrains.kotlin.fir.declarations.FirFile
 import org.jetbrains.kotlin.fir.lightTree.LightTree2Fir
@@ -63,13 +64,17 @@ fun buildResolveAndCheckFirFromKtFiles(
     return resolveAndCheckFir(session, session.buildFirFromKtFiles(ktFiles), diagnosticsReporter)
 }
 
+/**
+ * This function runs only common checkers
+ * Platform checkers should be run separately, after all parts of MPP structure will be resolved
+ */
 fun resolveAndCheckFir(
     session: FirSession,
     firFiles: List<FirFile>,
     diagnosticsReporter: BaseDiagnosticsCollector
 ): ModuleCompilerAnalyzedOutput {
     val (scopeSession, fir) = session.runResolution(firFiles)
-    session.runCheckers(scopeSession, fir, diagnosticsReporter)
+    session.runCheckers(scopeSession, fir, diagnosticsReporter, MppCheckerKind.Common)
     return ModuleCompilerAnalyzedOutput(session, scopeSession, fir)
 }
 
diff --git a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/FirFrontend.kt b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/FirFrontend.kt
index 1d3965da87b..ba5931b75c4 100644
--- a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/FirFrontend.kt
+++ b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/FirFrontend.kt
@@ -12,10 +12,7 @@ import org.jetbrains.kotlin.diagnostics.impl.BaseDiagnosticsCollector
 import org.jetbrains.kotlin.fir.*
 import org.jetbrains.kotlin.fir.backend.native.FirNativeOverrideChecker
 import org.jetbrains.kotlin.fir.extensions.FirExtensionRegistrar
-import org.jetbrains.kotlin.fir.pipeline.FirResult
-import org.jetbrains.kotlin.fir.pipeline.ModuleCompilerAnalyzedOutput
-import org.jetbrains.kotlin.fir.pipeline.buildResolveAndCheckFirViaLightTree
-import org.jetbrains.kotlin.fir.pipeline.buildResolveAndCheckFirFromKtFiles
+import org.jetbrains.kotlin.fir.pipeline.*
 import org.jetbrains.kotlin.fir.resolve.ImplicitIntegerCoercionModuleCapability
 import org.jetbrains.kotlin.fir.scopes.FirOverrideChecker
 import org.jetbrains.kotlin.library.isInterop
@@ -84,6 +81,8 @@ internal inline fun <F> PhaseContext.firFrontend(
         }
     }
 
+    outputs.runPlatformCheckers(diagnosticsReporter)
+
     return if (syntaxErrors || diagnosticsReporter.hasErrors) {
         FirDiagnosticsCompilerResultsReporter.reportToMessageCollector(diagnosticsReporter, messageCollector, renderDiagnosticNames)
         throw KonanCompilationException("Compilation failed: there were frontend errors")
diff --git a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/impl/ScriptJvmCompilerImpls.kt b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/impl/ScriptJvmCompilerImpls.kt
index 1c17e535433..ace04ca6fdf 100644
--- a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/impl/ScriptJvmCompilerImpls.kt
+++ b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/impl/ScriptJvmCompilerImpls.kt
@@ -25,6 +25,7 @@ import org.jetbrains.kotlin.config.CompilerConfiguration
 import org.jetbrains.kotlin.config.JVMConfigurationKeys
 import org.jetbrains.kotlin.config.languageVersionSettings
 import org.jetbrains.kotlin.diagnostics.DiagnosticReporterFactory
+import org.jetbrains.kotlin.fir.analysis.checkers.MppCheckerKind
 import org.jetbrains.kotlin.fir.declarations.FirFile
 import org.jetbrains.kotlin.fir.extensions.FirExtensionRegistrar
 import org.jetbrains.kotlin.fir.pipeline.*
@@ -420,7 +421,8 @@ private fun doCompileWithK2(
 
     val (scopeSession, fir) = session.runResolution(orderedRawFir)
     // checkers
-    session.runCheckers(scopeSession, fir, diagnosticsReporter)
+    session.runCheckers(scopeSession, fir, diagnosticsReporter, MppCheckerKind.Common)
+    session.runCheckers(scopeSession, fir, diagnosticsReporter, MppCheckerKind.Platform)
 
     val analysisResults = FirResult(listOf(ModuleCompilerAnalyzedOutput(session, scopeSession, fir)))