diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..09b8b02
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.DS_Store
+jspm_packages/*
diff --git a/config.js b/config.js
new file mode 100644
index 0000000..ca5d332
--- /dev/null
+++ b/config.js
@@ -0,0 +1,31 @@
+System.config({
+  baseURL: "/",
+  defaultJSExtensions: true,
+  transpiler: "babel",
+  babelOptions: {
+    "optional": [
+      "runtime",
+      "optimisation.modules.system"
+    ]
+  },
+  paths: {
+    "github:*": "jspm_packages/github/*",
+    "npm:*": "jspm_packages/npm/*"
+  },
+
+  map: {
+    "babel": "npm:babel-core@5.8.22",
+    "babel-runtime": "npm:babel-runtime@5.8.20",
+    "core-js": "npm:core-js@1.0.1",
+    "github:jspm/nodelibs-process@0.1.1": {
+      "process": "npm:process@0.10.1"
+    },
+    "npm:babel-runtime@5.8.20": {
+      "process": "github:jspm/nodelibs-process@0.1.1"
+    },
+    "npm:core-js@1.0.1": {
+      "fs": "github:jspm/nodelibs-fs@0.1.2",
+      "process": "github:jspm/nodelibs-process@0.1.1"
+    }
+  }
+});
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..fd8c2d3
--- /dev/null
+++ b/index.js
@@ -0,0 +1,60 @@
+var imports = {};
+var systemNormalize = System.normalize;
+System.normalize = function (path, importFrom) {
+  var promise = systemNormalize.apply(this, arguments);
+  promise.then(function (normalizedPath) {
+    imports[normalizedPath] = {
+      importPath: path,
+      path: normalizedPath,
+      from: importFrom,
+      deps: []
+    };
+  });
+  return promise;
+};
+var systemInstantiate = System.instantiate;
+System.instantiate = function (load) {
+  return systemInstantiate.apply(this, arguments)
+    .then(function (result) {
+      var importData = imports[load.name];
+      importData.metadata = load.metadata;
+      var fromData = imports[importData.from];
+      if (fromData) {
+        fromData.deps.push(importData);
+      }
+      return result;
+    });
+};
+
+export function logImport (importData) {
+  console.groupCollapsed(importData.importPath);
+  console.log('path: ', importData.path);
+  var metadata = importData.metadata;
+  for (let metaKey in metadata) {
+    if (metaKey === 'deps') continue;
+    var metaValue = metadata[metaKey];
+    if (metaValue !== undefined) {
+      console.log(`${metaKey}: ${metaValue}`);
+    }
+  }
+  console.group('  deps: ', importData.deps.length);
+  for (let depData of importData.deps) {
+    logImport(depData);
+  }
+  console.groupEnd();
+  console.groupEnd();
+}
+export function logImports () {
+  console.group('Imports');
+  for (let index in imports) {
+    var importData = imports[index];
+    // root imports?
+    if (importData.from === undefined) {
+      logImport(importData);
+    }
+  }
+  console.groupEnd();
+}
+export function getImports () {
+  return imports;
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..dca3897
--- /dev/null
+++ b/package.json
@@ -0,0 +1,27 @@
+{
+  "name": "systemjs-debugger",
+  "version": "0.0.1",
+  "description": "SystemJS debugger",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/peteruithoven/systemjs-debugger.git"
+  },
+  "keywords": [
+    "systemjs",
+    "jspm"
+  ],
+  "author": "Peter Uithoven",
+  "license": "MIT",
+  "jspm": {
+    "directories": {},
+    "devDependencies": {
+      "babel": "npm:babel-core@^5.8.21",
+      "babel-runtime": "npm:babel-runtime@^5.8.20",
+      "core-js": "npm:core-js@^1.0.0"
+    }
+  }
+}