diff --git a/Sources/XcodeGraphMapper/Mappers/Phases/PBXScriptsBuildPhaseMapper.swift b/Sources/XcodeGraphMapper/Mappers/Phases/PBXScriptsBuildPhaseMapper.swift
index 672ae6ba..3c5ce08d 100644
--- a/Sources/XcodeGraphMapper/Mappers/Phases/PBXScriptsBuildPhaseMapper.swift
+++ b/Sources/XcodeGraphMapper/Mappers/Phases/PBXScriptsBuildPhaseMapper.swift
@@ -14,7 +14,8 @@ protocol PBXScriptsBuildPhaseMapping {
     /// - Throws: If any file paths cannot be validated.
     func map(
         _ scriptPhases: [PBXShellScriptBuildPhase],
-        buildPhases: [PBXBuildPhase]
+        buildPhases: [PBXBuildPhase],
+        settings: SettingsDictionary
     ) throws -> [TargetScript]
 
     /// Maps shell script build phases into a simpler, “raw” representation (`RawScriptBuildPhase`).
@@ -28,10 +29,15 @@ protocol PBXScriptsBuildPhaseMapping {
 struct PBXScriptsBuildPhaseMapper: PBXScriptsBuildPhaseMapping {
     func map(
         _ scriptPhases: [PBXShellScriptBuildPhase],
-        buildPhases: [PBXBuildPhase]
+        buildPhases: [PBXBuildPhase],
+        settings: SettingsDictionary
     ) throws -> [TargetScript] {
         try scriptPhases.compactMap {
-            try mapScriptPhase($0, buildPhases: buildPhases)
+            try mapScriptPhase(
+                $0,
+                buildPhases: buildPhases,
+                settings: settings
+            )
         }
     }
 
@@ -44,22 +50,23 @@ struct PBXScriptsBuildPhaseMapper: PBXScriptsBuildPhaseMapping {
     /// Converts a single `PBXShellScriptBuildPhase` to a `TargetScript`, if valid.
     private func mapScriptPhase(
         _ scriptPhase: PBXShellScriptBuildPhase,
-        buildPhases: [PBXBuildPhase]
+        buildPhases: [PBXBuildPhase],
+        settings: SettingsDictionary
     ) throws -> TargetScript? {
         guard let shellScript = scriptPhase.shellScript else {
             return nil
         }
 
         let inputFileListPaths = try scriptPhase.inputFileListPaths?.compactMap {
-            try AbsolutePath(validating: $0)
+            try AbsolutePath(validating: $0.replacingSettingsVariables(with: settings))
         } ?? []
 
         let outputFileListPaths = try scriptPhase.outputFileListPaths?.compactMap {
-            try AbsolutePath(validating: $0)
+            try AbsolutePath(validating: $0.replacingSettingsVariables(with: settings))
         } ?? []
 
         let dependencyFile = try scriptPhase.dependencyFile.map {
-            try AbsolutePath(validating: $0)
+            try AbsolutePath(validating: $0.replacingSettingsVariables(with: settings))
         }
 
         return TargetScript(
@@ -114,3 +121,29 @@ struct PBXScriptsBuildPhaseMapper: PBXScriptsBuildPhaseMapping {
         return scriptIndex == 0 ? .pre : .post
     }
 }
+
+extension String {
+    fileprivate func replacingSettingsVariables(
+        with settings: SettingsDictionary
+    ) -> String {
+        settings.compactMapValues { value -> String? in
+            switch value {
+            case .array:
+                return nil
+            case let .string(string):
+                return string
+            }
+        }
+        .reduce(self) { string, setting in
+            string
+                .replacingOccurrences(
+                of: "${\(setting.key)}",
+                with: setting.value
+                )
+                .replacingOccurrences(
+                    of: "$(\(setting.key)",
+                    with: setting.value
+                )
+        }
+    }
+}
diff --git a/Sources/XcodeGraphMapper/Mappers/Targets/PBXTargetMapper.swift b/Sources/XcodeGraphMapper/Mappers/Targets/PBXTargetMapper.swift
index 929bbb6b..6bb740c3 100644
--- a/Sources/XcodeGraphMapper/Mappers/Targets/PBXTargetMapper.swift
+++ b/Sources/XcodeGraphMapper/Mappers/Targets/PBXTargetMapper.swift
@@ -145,9 +145,29 @@ struct PBXTargetMapper: PBXTargetMapping {
             xcodeProj: xcodeProj,
             headers: headers
         )
-
+        
+        let debugConfiguration = settings.configurations
+            .filter ({ $0.key.name == "Debug" })
+            .first
+        var debugSettings = debugConfiguration?.value?.settings ?? [:]
+        debugSettings["CONFIGURATION"] = "Debug"
+        if let xcconfigPath = settings.configurations
+            .filter ({ $0.key.name == "Debug" })
+            .first?.value?.xcconfig {
+            let xcconfigSettings = try await BuildSettingsExtractor()
+                .extractBuildSettings(
+                    for: xcconfigPath,
+                    projectPath: xcodeProj.projectPath
+                )
+            debugSettings = debugSettings.combine(with: xcconfigSettings)
+        }
+        
         let runScriptPhases = pbxTarget.runScriptBuildPhases()
-        let scripts = try scriptsMapper.map(runScriptPhases, buildPhases: pbxTarget.buildPhases)
+        let scripts = try scriptsMapper.map(
+            runScriptPhases,
+            buildPhases: pbxTarget.buildPhases,
+            settings: debugSettings
+        )
         let rawScriptBuildPhases = scriptsMapper.mapRawScriptBuildPhases(runScriptPhases)
 
         let copyFilesPhases = pbxTarget.copyFilesBuildPhases()
@@ -545,3 +565,50 @@ struct PBXTargetMapper: PBXTargetMapping {
 
 // swiftlint:enable function_body_length
 // swiftlint:enable type_body_length
+
+import Command
+
+struct BuildSettingsExtractor {
+    private let commandRunner: CommandRunning
+    
+    init(
+        commandRunner: CommandRunning = CommandRunner()
+    ) {
+        self.commandRunner = commandRunner
+    }
+    
+    func extractBuildSettings(
+        for xcconfig: AbsolutePath,
+        projectPath: AbsolutePath
+    ) async throws -> [String: SettingValue] {
+        let output = try await commandRunner
+            .run(
+                arguments: [
+                    "/usr/bin/xcodebuild",
+                    "-showBuildSettings",
+                    "-xcconfig", xcconfig.pathString,
+                    "-project", projectPath.pathString,
+                    "-json"
+                ]
+            )
+            .concatenatedString()
+        guard let data = output.data(using: .utf8) else { return [:] }
+        let actionBuildSettings = try JSONDecoder().decode([ActionBuildSettings].self, from: data)
+        guard let buildAction = actionBuildSettings.first(where: { $0.action == "build" }) else { return [:] }
+        return buildAction.buildSettings.mapValues { value in
+            let components = value.components(separatedBy: " ")
+            if components.count == 1 {
+                return .string(components[0])
+            } else {
+                return .array(components)
+            }
+                
+        }
+    }
+    
+    
+    private struct ActionBuildSettings: Codable {
+        let action: String
+        let buildSettings: [String: String]
+    }
+}