diff --git a/.github/actions/.gitkeep b/.github/actions/.gitkeep
deleted file mode 100644
index e69de29b..00000000
diff --git a/.github/actions/notify/action.yml b/.github/actions/notify/action.yml
new file mode 100644
index 00000000..f04db3b1
--- /dev/null
+++ b/.github/actions/notify/action.yml
@@ -0,0 +1,26 @@
+name: Define notification message
+description: Identify an appropriate notification message.
+branding:
+  icon: 'message-square'
+  color: 'green'
+outputs:
+  txt:
+    description: The message.
+    value: ${{ steps.message.outputs.txt }}
+runs:
+  using: composite
+  steps:
+    - name: Define notification message
+      id: message
+      run: |
+        if [ -n "${{ github.event.head_commit.message }}" ]
+        then
+          echo txt="${{ github.event.head_commit.message }}" >> $GITHUB_OUTPUT
+        elif [ -n "${{ github.event.schedule }}" ]
+        then
+          echo txt="regular healthcheck" >> $GITHUB_OUTPUT
+        elif [ -n "${{ github.event.inputs.reason }}" ]
+        then
+          echo txt="${{ github.event.inputs.reason }}" >> $GITHUB_OUTPUT
+        fi
+      shell: bash
diff --git a/.github/workflows/caches.yml b/.github/workflows/caches.yml
index 62c899f6..1d8c0d4d 100644
--- a/.github/workflows/caches.yml
+++ b/.github/workflows/caches.yml
@@ -2,6 +2,11 @@ name: Cache invalidation
 
 on:
   workflow_dispatch:
+    inputs:
+      reason:
+        type: string
+        default: manual healthcheck
+        required: true
 
   schedule:
     - name: At 06:00 on Sunday, UTC
@@ -41,11 +46,20 @@ jobs:
     if: failure() || success()
 
     steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v3
+        with: { fetch-depth: 0 }
+      - name: Define notification message
+        id: message
+        uses: ./.github/actions/notify
+
       - name: Send Slack notification
         uses: rtCamp/action-slack-notify@v2
         env:
           SLACK_COLOR: ${{ contains(needs.*.result, 'failure') && 'failure' || 'success' }}
+          SLACK_FOOTER: made with ❤️ for everyone, OctoLab
           SLACK_ICON: https://github.com/github.png?size=64
+          SLACK_MESSAGE: ${{ steps.message.outputs.txt }}
           SLACK_TITLE: '🧹 ${{ github.repository }}: ${{ github.workflow }}'
           SLACK_USERNAME: GitHub Actions
           SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b8f9f445..a63d0a38 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,20 +2,25 @@ name: Continuous integration
 
 on:
   workflow_dispatch:
+    inputs:
+      reason:
+        type: string
+        default: manual healthcheck
+        required: true
 
   pull_request:
     branches: [ main ]
     paths:
-      - .github/workflows/ci.yml
-      - package*.json
+      - '.github/workflows/ci.yml'
+      - 'package*.json'
       - '**.jsx?'
       - '**.tsx?'
 
   push:
     branches: [ main ]
     paths:
-      - .github/workflows/ci.yml
-      - package*.json
+      - '.github/workflows/ci.yml'
+      - 'package*.json'
       - '**.jsx?'
       - '**.tsx?'
     tags: [ '!*' ]
@@ -66,11 +71,20 @@ jobs:
     if: github.event_name != 'pull_request' && (failure() || success())
 
     steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v3
+        with: { fetch-depth: 0 }
+      - name: Define notification message
+        id: message
+        uses: ./.github/actions/notify
+
       - name: Send Slack notification
         uses: rtCamp/action-slack-notify@v2
         env:
           SLACK_COLOR: ${{ contains(needs.*.result, 'failure') && 'failure' || 'success' }}
+          SLACK_FOOTER: made with ❤️ for everyone, OctoLab
           SLACK_ICON: https://github.com/github.png?size=64
+          SLACK_MESSAGE: ${{ steps.message.outputs.txt }}
           SLACK_TITLE: '⚙️ ${{ github.repository }}: ${{ github.workflow }}'
           SLACK_USERNAME: GitHub Actions
           SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
diff --git a/.github/workflows/deps.yml b/.github/workflows/deps.yml
index a5ce6172..13ea4394 100644
--- a/.github/workflows/deps.yml
+++ b/.github/workflows/deps.yml
@@ -2,6 +2,11 @@ name: Dependabot at weekends
 
 on:
   workflow_dispatch:
+    inputs:
+      reason:
+        type: string
+        default: manual healthcheck
+        required: true
 
   schedule:
     - name: At 06:00 on Saturday and Sunday, UTC
@@ -37,11 +42,20 @@ jobs:
     if: failure() || success()
 
     steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v3
+        with: { fetch-depth: 0 }
+      - name: Define notification message
+        id: message
+        uses: ./.github/actions/notify
+
       - name: Send Slack notification
         uses: rtCamp/action-slack-notify@v2
         env:
           SLACK_COLOR: ${{ contains(needs.*.result, 'failure') && 'failure' || 'success' }}
+          SLACK_FOOTER: made with ❤️ for everyone, OctoLab
           SLACK_ICON: https://github.com/github.png?size=64
+          SLACK_MESSAGE: ${{ steps.message.outputs.txt }}
           SLACK_TITLE: '🤖 ${{ github.repository }}: ${{ github.workflow }}'
           SLACK_USERNAME: GitHub Actions
           SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 67a8db57..65d6502a 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -2,6 +2,11 @@ name: Documentation delivery
 
 on:
   workflow_dispatch:
+    inputs:
+      reason:
+        type: string
+        default: manual healthcheck
+        required: true
 
   push:
     branches: [ main ]
@@ -47,11 +52,20 @@ jobs:
     if: failure() || success()
 
     steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v3
+        with: { fetch-depth: 0 }
+      - name: Define notification message
+        id: message
+        uses: ./.github/actions/notify
+
       - name: Send Slack notification
         uses: rtCamp/action-slack-notify@v2
         env:
           SLACK_COLOR: ${{ contains(needs.*.result, 'failure') && 'failure' || 'success' }}
+          SLACK_FOOTER: made with ❤️ for everyone, OctoLab
           SLACK_ICON: https://github.com/github.png?size=64
+          SLACK_MESSAGE: ${{ steps.message.outputs.txt }}
           SLACK_TITLE: '📚 ${{ github.repository }}: ${{ github.workflow }}'
           SLACK_USERNAME: GitHub Actions
           SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
diff --git a/.github/workflows/runs.yml b/.github/workflows/runs.yml
index 54546361..8c5ab100 100644
--- a/.github/workflows/runs.yml
+++ b/.github/workflows/runs.yml
@@ -21,6 +21,10 @@ on:
         description: Only log actions, do not perform any delete operations.
         type: boolean
         required: false
+      reason:
+        type: string
+        default: manual healthcheck
+        required: true
 
 jobs:
   delete:
@@ -45,11 +49,20 @@ jobs:
     if: failure() || success()
 
     steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v3
+        with: { fetch-depth: 0 }
+      - name: Define notification message
+        id: message
+        uses: ./.github/actions/notify
+
       - name: Send Slack notification
         uses: rtCamp/action-slack-notify@v2
         env:
           SLACK_COLOR: ${{ contains(needs.*.result, 'failure') && 'failure' || 'success' }}
+          SLACK_FOOTER: made with ❤️ for everyone, OctoLab
           SLACK_ICON: https://github.com/github.png?size=64
+          SLACK_MESSAGE: ${{ steps.message.outputs.txt }}
           SLACK_TITLE: '🗑️ ${{ github.repository }}: ${{ github.workflow }}'
           SLACK_USERNAME: GitHub Actions
           SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
index 064a02a3..06f3caa6 100644
--- a/.github/workflows/stale.yml
+++ b/.github/workflows/stale.yml
@@ -2,6 +2,11 @@ name: Issue invalidation
 
 on:
   workflow_dispatch:
+    inputs:
+      reason:
+        type: string
+        default: manual healthcheck
+        required: true
 
   schedule:
     - name: At 06:00 every day, UTC
@@ -46,3 +51,28 @@ jobs:
           close-pr-message: >
             This pull request was closed because it has been stalled for 7 days with no activity.
           delete-branch: true
+
+  notify:
+    name: Notifying
+    needs: [ check ]
+    runs-on: ubuntu-latest
+    if: failure() || success()
+
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v3
+        with: { fetch-depth: 0 }
+      - name: Define notification message
+        id: message
+        uses: ./.github/actions/notify
+
+      - name: Send Slack notification
+        uses: rtCamp/action-slack-notify@v2
+        env:
+          SLACK_COLOR: ${{ contains(needs.*.result, 'failure') && 'failure' || 'success' }}
+          SLACK_FOOTER: made with ❤️ for everyone, OctoLab
+          SLACK_ICON: https://github.com/github.png?size=64
+          SLACK_MESSAGE: ${{ steps.message.outputs.txt }}
+          SLACK_TITLE: '⚠️ ${{ github.repository }}: ${{ github.workflow }}'
+          SLACK_USERNAME: GitHub Actions
+          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}