diff --git a/.github/workflows/configlet.yml b/.github/workflows/configlet.yml
deleted file mode 100644
index 47eb875..0000000
--- a/.github/workflows/configlet.yml
+++ /dev/null
@@ -1,15 +0,0 @@
-name: Configlet
-
-on:
-  pull_request:
-  push:
-    branches:
-      - main
-  workflow_dispatch:
-
-permissions:
-  contents: read
-
-jobs:
-  configlet:
-    uses: exercism/github-actions/.github/workflows/configlet.yml@main
diff --git a/.github/workflows/important-files-changed.yml b/.github/workflows/important-files-changed.yml
new file mode 100644
index 0000000..70102f2
--- /dev/null
+++ b/.github/workflows/important-files-changed.yml
@@ -0,0 +1,12 @@
+name: Important files changed
+on:
+  pull_request:
+    types: [synchronize]
+
+jobs:
+  check_important_files_changes:
+    name: Check if any important files changed
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Check files changes
+        runs: ruby .github/bin/check-important-files-changed.rb
diff --git a/.github/workflows/pause-community-contributions.yml b/.github/workflows/pause-community-contributions.yml
deleted file mode 100644
index 9c731cf..0000000
--- a/.github/workflows/pause-community-contributions.yml
+++ /dev/null
@@ -1,25 +0,0 @@
-name: Pause Community Contributions
-
-on:
-  issues:
-    types:
-      - opened
-  pull_request_target:
-    types:
-      - opened
-    paths-ignore:
-      - 'exercises/*/*/.approaches/**'
-      - 'exercises/*/*/.articles/**'
-
-permissions:
-  issues: write
-  pull-requests: write
-
-jobs:
-  pause:
-    if: github.repository_owner == 'exercism' # Stops this job from running on forks
-    uses: exercism/github-actions/.github/workflows/community-contributions.yml@main
-    with:
-      forum_category: coffeescript
-    secrets:
-      github_membership_token: ${{ secrets.COMMUNITY_CONTRIBUTIONS_WORKFLOW_TOKEN }}
diff --git a/.github/workflows/sync-labels.yml b/.github/workflows/sync-labels.yml
deleted file mode 100644
index e7b99e5..0000000
--- a/.github/workflows/sync-labels.yml
+++ /dev/null
@@ -1,19 +0,0 @@
-name: Tools
-
-on:
-  push:
-    branches:
-      - main
-    paths:
-      - .github/labels.yml
-      - .github/workflows/sync-labels.yml
-  workflow_dispatch:
-  schedule:
-    - cron: 0 0 1 * * # First day of each month
-
-permissions:
-  issues: write
-
-jobs:
-  sync-labels:
-    uses: exercism/github-actions/.github/workflows/labels.yml@main
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
deleted file mode 100644
index d2daefa..0000000
--- a/.github/workflows/tests.yml
+++ /dev/null
@@ -1,20 +0,0 @@
-name: Tests
-on:
-  pull_request:
-  push:
-    branches:
-      - main
-  schedule:
-    # Weekly.
-    - cron: '0 0 * * 0'
-
-jobs:
-  exercises:
-    name: Check exercises
-    runs-on: ubuntu-22.04
-    steps:
-      - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
-      - name: Install CoffeeScript
-        run: npm install -g jasmine-node coffeescript
-      - name: Run tests
-        run: ./bin/test-exercises.sh
\ No newline at end of file
diff --git a/test.js b/test.js
new file mode 100644
index 0000000..130984f
--- /dev/null
+++ b/test.js
@@ -0,0 +1,88 @@
+const files = [
+  { filename: ".github/workflows/test.yml" },
+  { filename: "exercises/practice/anagram/.docs/instructions.md" },
+  { filename: "exercises/practice/bob/.meta/config.json" },
+  { filename: "exercises/practice/hello-world/hello-world.coffee" },
+  { filename: "exercises/practice/hexadecimal/hexadecimal.spec.coffee" },
+  { filename: "exercises/practice/binary/helper.coffee" },
+  { filename: "exercises/practice/accumulate/.docs/instructions.md" },
+  { filename: "exercises/practice/accumulate/accumulate.coffee" },
+  { filename: "exercises/practice/accumulate/accumulate.spec.coffee" },
+];
+
+const exerciseFiles = files.reduce((exerciseFiles, file) => {
+  const m = file.filename.match(
+    /^exercises\/(concept|practice)\/(?<slug>[^\/]+)\/(?<filename>.+)$/
+  );
+
+  if (m == null) return exerciseFiles;
+
+  const files = exerciseFiles.get(m.groups.slug) || [];
+  files.push(m.groups.filename);
+
+  exerciseFiles.set(m.groups.slug, files);
+  return exerciseFiles;
+}, new Map());
+
+configs = {
+  bob: {
+    files: {
+      solution: ["bob.coffee"],
+      test: ["bob.spec.coffee"],
+      example: [".meta/example.coffee"],
+    },
+  },
+  anagram: {
+    files: {
+      solution: ["anagram.coffee"],
+      test: ["anagram.spec.coffee"],
+      example: [".meta/example.coffee"],
+    },
+  },
+  "hello-world": {
+    files: {
+      solution: ["hello-world.coffee"],
+      test: ["hello-world.spec.coffee"],
+      example: [".meta/example.coffee"],
+    },
+  },
+  hexadecimal: {
+    files: {
+      solution: ["hexadecimal.coffee"],
+      test: ["hexadecimal.spec.coffee"],
+      example: [".meta/example.coffee"],
+    },
+  },
+  binary: {
+    files: {
+      solution: ["hexadecimal.coffee"],
+      test: ["hexadecimal.spec.coffee"],
+      example: [".meta/example.coffee"],
+      invalidator: ["helper.coffee"],
+    },
+  },
+  accumulate: {
+    files: {
+      solution: ["accumulate.coffee"],
+      test: ["accumulate.spec.coffee"],
+      example: [".meta/example.coffee"],
+    },
+  },
+};
+const x = Array.from(exerciseFiles.entries(), ([exercise, files]) => {
+  const exerciseConfig = configs[exercise];
+  return files.filter(
+    (file) =>
+      exerciseConfig.files.test.includes(file) ||
+      exerciseConfig.files.editor?.includes(file) ||
+      exerciseConfig.files.invalidator?.includes(file)
+  );
+})
+  .flat()
+  .sort();
+
+console.log(x);
+// for (const [exercise, files] of exerciseFiles) {
+
+//   console.log(exercise, importantFiles);
+// }