diff --git a/src/main/scala/scalafix/internal/sbt/ScalafixCompletions.scala b/src/main/scala/scalafix/internal/sbt/ScalafixCompletions.scala
index e1cded04..f8498720 100644
--- a/src/main/scala/scalafix/internal/sbt/ScalafixCompletions.scala
+++ b/src/main/scala/scalafix/internal/sbt/ScalafixCompletions.scala
@@ -9,7 +9,7 @@ import sbt.complete._
 import sbt.complete.DefaultParsers._
 
 class ScalafixCompletions(
-    workingDirectory: () => Path,
+    workingDirectory: Path,
     loadedRules: () => Seq[ScalafixRule],
     terminalWidth: Option[Int]
 ) {
@@ -66,9 +66,9 @@ class ScalafixCompletions(
     }
 
     string
-      .examples(new AbsolutePathExamples(workingDirectory()))
+      .examples(new AbsolutePathExamples(workingDirectory))
       .map { f =>
-        toAbsolutePath(Paths.get(f), workingDirectory())
+        toAbsolutePath(Paths.get(f), workingDirectory)
       }
       .filter(f => Files.exists(f), x => x)
   }
@@ -96,7 +96,7 @@ class ScalafixCompletions(
   private val namedRule2: Parser[ShellArgs.Rule] =
     namedRule.map(s => ShellArgs.Rule(s))
   private lazy val gitDiffParser: P = {
-    val jgitCompletion = new JGitCompletion(workingDirectory())
+    val jgitCompletion = new JGitCompletion(workingDirectory)
     token(
       NotQuoted,
       TokenCompletions.fixed((seen, _) => {
diff --git a/src/main/scala/scalafix/sbt/ScalafixPlugin.scala b/src/main/scala/scalafix/sbt/ScalafixPlugin.scala
index 7478d0a5..f73e81ab 100644
--- a/src/main/scala/scalafix/sbt/ScalafixPlugin.scala
+++ b/src/main/scala/scalafix/sbt/ScalafixPlugin.scala
@@ -7,9 +7,10 @@ import com.geirsson.coursiersmall.Repository
 import sbt.KeyRanks.Invisible
 import sbt.Keys._
 import sbt._
+import sbt.complete._
+import sbt.internal.sbtscalafix.Caching._
 import sbt.internal.sbtscalafix.{Compat, JLineAccess}
 import sbt.plugins.JvmPlugin
-import sbt.internal.sbtscalafix.Caching._
 import scalafix.interfaces.ScalafixError
 import scalafix.internal.sbt._
 
@@ -29,9 +30,14 @@ object ScalafixPlugin extends AutoPlugin {
 
     val scalafix: InputKey[Unit] =
       inputKey[Unit](
-        "Run scalafix rule in this project and configuration. " +
+        "Run scalafix rule(s) in this project and configuration. " +
           "For example: scalafix RemoveUnusedImports. " +
-          "To run on test sources use test:scalafix."
+          "To run on test sources use test:scalafix or scalafixAll."
+      )
+    val scalafixAll: InputKey[Unit] =
+      inputKey[Unit](
+        "Run scalafix rule(s) in this project, for all configurations where scalafix is enabled. " +
+          "Compile and Test are enabled by default, other configurations can be enabled via scalafixConfigSettings."
       )
     val scalafixCaching: SettingKey[Boolean] =
       settingKey[Boolean](
@@ -100,22 +106,12 @@ object ScalafixPlugin extends AutoPlugin {
   override lazy val projectSettings: Seq[Def.Setting[_]] =
     Seq(Compile, Test).flatMap(c => inConfig(c)(scalafixConfigSettings(c))) ++
       inConfig(ScalafixConfig)(Defaults.configSettings) ++
-      Seq(ivyConfigurations += ScalafixConfig)
+      Seq(
+        ivyConfigurations += ScalafixConfig,
+        scalafixAll := scalafixAllInputTask.evaluated
+      )
 
   override lazy val globalSettings: Seq[Def.Setting[_]] = Seq(
-    initialize := {
-      val _ = initialize.value
-      // Ideally, we would not resort to storing mutable state in `initialize`.
-      // The optimal solution would be to run `scalafixDependencies.value`
-      // inside `scalafixInputTask`.
-      // However, we can't do that due to an sbt bug:
-      //   https://github.com/sbt/sbt/issues/3572#issuecomment-417582703
-      workingDirectory = baseDirectory.in(ThisBuild).value.toPath
-      scalafixInterface = ScalafixInterface.fromToolClasspath(
-        scalafixDependencies = scalafixDependencies.in(ThisBuild).value,
-        scalafixCustomResolvers = scalafixResolvers.in(ThisBuild).value
-      )
-    },
     scalafixConfig := None, // let scalafix-cli try to infer $CWD/.scalafix.conf
     scalafixCaching := false,
     scalafixResolvers := ScalafixCoursier.defaultResolvers,
@@ -124,12 +120,28 @@ object ScalafixPlugin extends AutoPlugin {
   )
 
   lazy val stdoutLogger = Compat.ConsoleLogger(System.out)
-  private var workingDirectory = file("").getAbsoluteFile.toPath
-  private var scalafixInterface: () => ScalafixInterface =
-    () => throw new UninitializedError
+
+  private val scalafixInterface: Def.Initialize[() => ScalafixInterface] =
+    Def.setting {
+      ScalafixInterface.fromToolClasspath(
+        scalafixDependencies = scalafixDependencies.in(ThisBuild).value,
+        scalafixCustomResolvers = scalafixResolvers.in(ThisBuild).value
+      )
+    }
+
+  private val parser: Def.Initialize[Parser[ShellArgs]] = Def.setting {
+    new ScalafixCompletions(
+      workingDirectory = baseDirectory.in(ThisBuild).value.toPath,
+      // Unfortunately, local rules will not show up as completions in the parser, as that parser can only
+      // depend on settings, while local rules classpath must be looked up via tasks
+      loadedRules = () => scalafixInterface.value().availableRules(),
+      terminalWidth = Some(JLineAccess.terminalWidth)
+    ).parser
+  }
 
   private def scalafixArgsFromShell(
       shell: ShellArgs,
+      scalafixInterface: () => ScalafixInterface,
       projectDepsExternal: Seq[ModuleID],
       baseResolvers: Seq[Repository],
       projectDepsInternal: Seq[File]
@@ -158,20 +170,49 @@ object ScalafixPlugin extends AutoPlugin {
 
   }
 
+  private def scalafixAllInputTask(): Def.Initialize[InputTask[Unit]] =
+    // workaround https://github.com/sbt/sbt/issues/3572 by invoking directly what Def.inputTaskDyn would via macro
+    InputTask
+      .createDyn(InputTask.initParserAsInput(parser))(
+        Def.task(shellArgs => scalafixAllTask(shellArgs, thisProject.value))
+      )
+
+  private def scalafixAllTask(
+      shellArgs: ShellArgs,
+      project: ResolvedProject
+  ): Def.Initialize[Task[Unit]] =
+    Def.taskDyn {
+      val configsWithScalafixInputKey = project.settings
+        .map(_.key)
+        .filter(_.key == scalafix.key)
+        .flatMap(_.scope.config.toOption)
+
+      configsWithScalafixInputKey
+        .map(config => scalafixTask(shellArgs, config))
+        .joinWith(_.join.map(_ => ()))
+    }
+
   private def scalafixInputTask(
       config: Configuration
   ): Def.Initialize[InputTask[Unit]] =
-    Def.inputTaskDyn {
-      val shell0 = new ScalafixCompletions(
-        workingDirectory = () => workingDirectory,
-        // Unfortunately, local rules will not show up as completions in the parser, as that parser can only depend
-        // on global settings (see note in initialize), while local rules classpath must
-        // be looked up via tasks on projects
-        loadedRules = () => scalafixInterface().availableRules(),
-        terminalWidth = Some(JLineAccess.terminalWidth)
-      ).parser.parsed
+    // workaround https://github.com/sbt/sbt/issues/3572 by invoking directly what Def.inputTaskDyn would via macro
+    InputTask
+      .createDyn(InputTask.initParserAsInput(parser))(
+        Def.task(shellArgs => scalafixTask(shellArgs, config))
+      )
+
+  private def scalafixTask(
+      shellArgs: ShellArgs,
+      config: ConfigKey
+  ): Def.Initialize[Task[Unit]] =
+    Def.taskDyn {
       val errorLogger =
-        new PrintStream(LoggingOutputStream(streams.value.log, Level.Error))
+        new PrintStream(
+          LoggingOutputStream(
+            streams.in(config, scalafix).value.log,
+            Level.Error
+          )
+        )
       val projectDepsInternal = products.in(ScalafixConfig).value ++
         internalDependencyClasspath.in(ScalafixConfig).value.map(_.data)
       val projectDepsExternal =
@@ -180,18 +221,21 @@ object ScalafixPlugin extends AutoPlugin {
           .value
           .flatMap(_.get(moduleID.key))
 
-      if (shell0.rules.isEmpty && shell0.extra == List("--help")) {
+      if (shellArgs.rules.isEmpty && shellArgs.extra == List("--help")) {
         scalafixHelp
       } else {
-        val scalafixConf = scalafixConfig.value.map(_.toPath)
+        val scalafixConf = scalafixConfig.in(config).value.map(_.toPath)
         val (shell, mainInterface0) = scalafixArgsFromShell(
-          shell0,
+          shellArgs,
+          scalafixInterface.value,
           projectDepsExternal,
           scalafixResolvers.in(ThisBuild).value,
           projectDepsInternal
         )
         val maybeNoCache =
-          if (shell.noCache || !scalafixCaching.value) Seq(Arg.NoCache) else Nil
+          if (shell.noCache || !scalafixCaching.in(config).value)
+            Seq(Arg.NoCache)
+          else Nil
         val mainInterface = mainInterface0
           .withArgs(maybeNoCache: _*)
           .withArgs(
@@ -212,32 +256,35 @@ object ScalafixPlugin extends AutoPlugin {
     }
   private def scalafixHelp: Def.Initialize[Task[Unit]] =
     Def.task {
-      scalafixInterface().withArgs(Arg.ParsedArgs(List("--help"))).run()
+      scalafixInterface.value().withArgs(Arg.ParsedArgs(List("--help"))).run()
       ()
     }
 
   private def scalafixSyntactic(
       mainInterface: ScalafixInterface,
       shellArgs: ShellArgs,
-      config: Configuration
+      config: ConfigKey
   ): Def.Initialize[Task[Unit]] =
     Def.task {
       val files = filesToFix(shellArgs, config).value
-      runArgs(mainInterface.withArgs(Arg.Paths(files)), streams.value)
+      runArgs(
+        mainInterface.withArgs(Arg.Paths(files)),
+        streams.in(config, scalafix).value
+      )
     }
 
   private def scalafixSemantic(
       ruleNames: Seq[String],
       mainArgs: ScalafixInterface,
       shellArgs: ShellArgs,
-      config: Configuration
+      config: ConfigKey
   ): Def.Initialize[Task[Unit]] =
     Def.taskDyn {
-      val dependencies = allDependencies.value
+      val dependencies = allDependencies.in(config).value
       val files = filesToFix(shellArgs, config).value
       val withScalaInterface = mainArgs.withArgs(
         Arg.ScalaVersion(scalaVersion.value),
-        Arg.ScalacOptions(scalacOptions.value)
+        Arg.ScalacOptions(scalacOptions.in(config).value)
       )
       val errors = new SemanticRuleValidator(
         new SemanticdbNotFound(ruleNames, scalaVersion.value, sbtVersion.value)
@@ -246,9 +293,12 @@ object ScalafixPlugin extends AutoPlugin {
         Def.task {
           val semanticInterface = withScalaInterface.withArgs(
             Arg.Paths(files),
-            Arg.Classpath(fullClasspath.value.map(_.data.toPath))
+            Arg.Classpath(fullClasspath.in(config).value.map(_.data.toPath))
+          )
+          runArgs(
+            semanticInterface,
+            streams.in(config, scalafix).value
           )
-          runArgs(semanticInterface, streams.value)
         }
       } else {
         Def.task {
@@ -389,7 +439,7 @@ object ScalafixPlugin extends AutoPlugin {
   }
   private def filesToFix(
       shellArgs: ShellArgs,
-      config: Configuration
+      config: ConfigKey
   ): Def.Initialize[Task[Seq[Path]]] =
     Def.taskDyn {
       // Dynamic task to avoid redundantly computing `unmanagedSources.value`
@@ -400,7 +450,7 @@ object ScalafixPlugin extends AutoPlugin {
       } else {
         Def.task {
           for {
-            source <- unmanagedSources.in(config).in(scalafix).value
+            source <- unmanagedSources.in(config, scalafix).value
             if source.exists()
             if isScalaFile(source)
           } yield source.toPath
diff --git a/src/sbt-test/sbt-scalafix/cross-build/test b/src/sbt-test/sbt-scalafix/cross-build/test
index 97f5ffe9..67ee9790 100644
--- a/src/sbt-test/sbt-scalafix/cross-build/test
+++ b/src/sbt-test/sbt-scalafix/cross-build/test
@@ -1,6 +1,7 @@
 # compile should not affect scalafix
 > compile
 
+-> scalafixAll --test ProcedureSyntax
 -> scalafix --test ProcedureSyntax
 -> compile:scalafix --test ProcedureSyntax
 -> test:scalafix --test ProcedureSyntax
@@ -17,7 +18,7 @@
 > test:scalafix --test ProcedureSyntax
 -> it:scalafix --test ProcedureSyntax
 
-> it:scalafix ProcedureSyntax
+> scalafixAll ProcedureSyntax
 > it:scalafix --test ProcedureSyntax
 
 > javaProject/compile:scalafix ProcedureSyntax
diff --git a/src/sbt-test/sbt-scalafix/inconfig/test b/src/sbt-test/sbt-scalafix/inconfig/test
index 00e15e71..278899a0 100644
--- a/src/sbt-test/sbt-scalafix/inconfig/test
+++ b/src/sbt-test/sbt-scalafix/inconfig/test
@@ -1,5 +1,9 @@
 -> ; example/scalafix --test ; example/it:scalafix --test
+-> example/scalafixAll --test
 > example/it:scalafix
 > example/it:scalafix --test
 -> example/scalafix --test
 > tests/test
+> example/scalafixAll
+> example/scalafixAll --test
+> example/scalafix --test
diff --git a/src/sbt-test/skip-windows/caching/test b/src/sbt-test/skip-windows/caching/test
index ed9e14f7..f10b99f4 100644
--- a/src/sbt-test/skip-windows/caching/test
+++ b/src/sbt-test/skip-windows/caching/test
@@ -205,6 +205,24 @@ $ exec chmod 000 src/test/scala/Valid.scala
 $ delete src/main/scala
 $ delete src/test/scala
 
+# scalafixAll and scalafix should share the same cache per configuration
+> set scalafixConfig := None
+$ mkdir src/main/scala
+$ mkdir src/test/scala
+$ copy-file files/UnusedImports.scala src/main/scala/Valid.scala
+$ copy-file files/ProcedureSyntax.scala src/test/scala/InitiallyInvalid.scala
+-> scalafixAll --check ProcedureSyntax
+$ exec chmod 000 src/main/scala/Valid.scala
+> scalafix --check ProcedureSyntax
+-> test:scalafix --check ProcedureSyntax
+> test:scalafix ProcedureSyntax
+$ exec chmod 000 src/test/scala/InitiallyInvalid.scala
+> scalafix --check ProcedureSyntax
+> test:scalafix --check ProcedureSyntax
+> scalafixAll --check ProcedureSyntax
+$ delete src/main/scala
+$ delete src/test/scala
+
 # make sure the cache is disabled when using `--stdout`
 > set scalafixConfig := None
 $ mkdir src/main/scala
diff --git a/src/test/scala/scalafix/internal/sbt/SbtCompletionsSuite.scala b/src/test/scala/scalafix/internal/sbt/SbtCompletionsSuite.scala
index a9cc2a41..590505dd 100644
--- a/src/test/scala/scalafix/internal/sbt/SbtCompletionsSuite.scala
+++ b/src/test/scala/scalafix/internal/sbt/SbtCompletionsSuite.scala
@@ -35,7 +35,7 @@ class SbtCompletionsSuite extends AnyFunSuite {
   val loadedRules = mainArgs.availableRules.toList
 
   val parser = new ScalafixCompletions(
-    workingDirectory = () => fs.workingDirectory.toAbsolutePath,
+    workingDirectory = fs.workingDirectory.toAbsolutePath,
     loadedRules = () => loadedRules,
     terminalWidth = None
   ).parser