diff --git a/.github/workflows/__pr.yml b/.github/workflows/__pr.yml
new file mode 100644
index 000000000..9050832a5
--- /dev/null
+++ b/.github/workflows/__pr.yml
@@ -0,0 +1,34 @@
+# Warning: This file is generated automatically, and should not be modified.
+# Instead, please modify the template in the pr-checks directory and run:
+#     pr-checks/sync.sh
+# to regenerate this file.
+
+name: PR Checks
+env:
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  GO111MODULE: auto
+on:
+  push:
+    branches:
+      - main
+      - releases/v*
+  pull_request: {}
+  merge_group:
+    types:
+      - checks_requested
+  schedule:
+    - cron: '0 5 * * *'
+  workflow_dispatch:
+    inputs: {}
+  workflow_call:
+    inputs: {}
+defaults:
+  run:
+    shell: bash
+jobs:
+  pr-checks:
+    name: Initial checks
+    permissions:
+      contents: read
+      security-events: read
+    uses: ./.github/workflows/pr-checks.yml
diff --git a/.github/workflows/pr-checks.yml b/.github/workflows/pr-checks.yml
index 2ae059440..1c0255f49 100644
--- a/.github/workflows/pr-checks.yml
+++ b/.github/workflows/pr-checks.yml
@@ -2,13 +2,11 @@ name: PR Checks
 
 on:
   push:
-  pull_request:
-  merge_group:
-    types: [checks_requested]
   workflow_dispatch:
+  workflow_call:
 
 concurrency:
-  cancel-in-progress: ${{ github.event_name == 'pull_request' || false }}
+  cancel-in-progress: ${{ github.event_name == 'pull_request' || github.event_name == 'workflow_call' }}
   group: ${{ github.workflow }}-${{ github.ref }}
 
 defaults:
diff --git a/pr-checks/sync.ts b/pr-checks/sync.ts
index ae7fde50c..eeef57496 100755
--- a/pr-checks/sync.ts
+++ b/pr-checks/sync.ts
@@ -737,6 +737,45 @@ function main(): void {
 
   console.log(`Found ${checkFiles.length} check specification(s).`);
 
+  let allInputs: Record<string, WorkflowInput> = {};
+
+  const initialChecksJob = workflowCall("Initial checks", "pr-checks");
+
+  const cron = new yaml.Scalar("0 5 * * *");
+  cron.type = yaml.Scalar.QUOTE_SINGLE;
+
+  const checkWorkflow = {
+    name: `PR Checks`,
+    env: {
+      GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}",
+      GO111MODULE: "auto",
+    },
+    on: {
+      push: {
+        branches: ["main", "releases/v*"],
+      },
+      pull_request: {},
+      merge_group: {
+        types: ["checks_requested"],
+      },
+      schedule: [{ cron }],
+      workflow_dispatch: {
+        inputs: {},
+      },
+      workflow_call: {
+        inputs: {},
+      },
+    },
+    defaults: {
+      run: {
+        shell: "bash",
+      },
+    },
+    jobs: {
+      "pr-checks": initialChecksJob,
+    },
+  };
+
   const collections: Record<
     string,
     Array<{
@@ -781,9 +820,6 @@ function main(): void {
       extraGroupName += `-\${{inputs.${inputName}}}`;
     }
 
-    const cron = new yaml.Scalar("0 5 * * *");
-    cron.type = yaml.Scalar.QUOTE_SINGLE;
-
     const workflow = {
       name: `PR Check - ${checkSpecification.name}`,
       env: {
@@ -826,6 +862,12 @@ function main(): void {
     writeYaml(outputPath, workflow);
   }
 
+  checkWorkflow.on.workflow_call.inputs = allInputs;
+  checkWorkflow.on.workflow_dispatch.inputs = allInputs;
+
+  const mainOutputPath = path.join(OUTPUT_DIR, `__pr.yml`);
+  writeYaml(mainOutputPath, checkWorkflow);
+
   // Write workflow files for collections.
   for (const collectionName of Object.keys(collections)) {
     const jobs: Record<string, any> = {};