diff --git a/.cm/gitstream.cm b/.cm/gitstream.cm
new file mode 100644
index 00000000..9072ebe9
--- /dev/null
+++ b/.cm/gitstream.cm
@@ -0,0 +1,17 @@
+# -*- mode: yaml -*-
+
+manifest:
+  version: 1.0
+
+automations:
+  estimated_time_to_review:
+    if:
+      - true
+    run:
+      - action: add-label@v1
+        args:
+          label: "{{ calc.etr }} min review"
+          color: {{ 'E94637' if (calc.etr >= 20) else ('FBBD10' if (calc.etr >= 5) else '36A853') }}
+
+calc:
+  etr: {{ branch | estimatedReviewTime }}
diff --git a/.github/workflows/gitstream.yml b/.github/workflows/gitstream.yml
new file mode 100644
index 00000000..7fa77faf
--- /dev/null
+++ b/.github/workflows/gitstream.yml
@@ -0,0 +1,47 @@
+# Code generated by gitStream GitHub app - DO NOT EDIT
+
+name: gitStream workflow automation
+
+on:
+  workflow_dispatch:
+    inputs:
+      client_payload:
+          description: The Client payload
+          required: true
+      full_repository:
+          description: the repository name include the owner in `owner/repo_name` format
+          required: true
+      head_ref:
+          description: the head sha
+          required: true
+      base_ref:
+          description: the base ref 
+          required: true
+      installation_id:
+          description: the installation id
+          required: false
+      resolver_url:
+          description: the resolver url to pass results to
+          required: true
+      resolver_token:
+          description: Optional resolver token for resolver service
+          required: false
+          default: ''
+
+jobs:
+  gitStream:
+    timeout-minutes: 5
+    runs-on: ubuntu-latest
+    name: gitStream workflow automation
+    steps:
+      - name: Evaluate Rules
+        uses: linear-b/gitstream-github-action@v1
+        id: rules-engine
+        with:
+          full_repository: ${{ github.event.inputs.full_repository }}
+          head_ref: ${{ github.event.inputs.head_ref }}
+          base_ref: ${{ github.event.inputs.base_ref }}
+          client_payload: ${{ github.event.inputs.client_payload }}
+          installation_id: ${{ github.event.inputs.installation_id }}
+          resolver_url: ${{ github.event.inputs.resolver_url }}
+          resolver_token: ${{ github.event.inputs.resolver_token }}