diff --git a/.github/chain-endpoints.md b/.github/chain-endpoints.md
new file mode 100644
index 0000000000..81a9d1a1bd
--- /dev/null
+++ b/.github/chain-endpoints.md
@@ -0,0 +1,10 @@
+---
+title: Unavailable chain endpoints
+labels: ['ci', '@apps-config']
+---
+
+cc @polkadot-js/notifications
+
+Some configured endpoints are not available.
+
+Check the nightly cron output (or via `yarn ci:chainEndpoints` locally) and disable the chains (either with `isDisabled` or `isUnreachable`) until the issue is resolved. The output as found from the test includes:
diff --git a/.github/workflows/chain-endpoints.yml b/.github/workflows/chain-endpoints.yml
new file mode 100644
index 0000000000..5e1157c33f
--- /dev/null
+++ b/.github/workflows/chain-endpoints.yml
@@ -0,0 +1,25 @@
+name: Chain endpoints
+on:
+  schedule:
+    - cron:  '45 0/12 * * *'
+
+jobs:
+  types:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: check
+      env:
+        CI_LOG: 123
+      run: |
+        yarn install --immutable | grep -v 'YN0013'
+        yarn ci:chainEndpoints
+
+    - name: issue
+      if: ${{ failure() }}
+      uses: JasonEtco/create-an-issue@v2
+      env:
+        GITHUB_TOKEN: ${{ secrets.GH_PAT_BOT }}
+      with:
+        filename: .github/chain-endpoints.md
+        update_existing: true
diff --git a/.github/workflows/chain-types.yml b/.github/workflows/chain-types.yml
index 6d7e692272..bf3d706a75 100644
--- a/.github/workflows/chain-types.yml
+++ b/.github/workflows/chain-types.yml
@@ -1,7 +1,7 @@
-name: Chain
+name: Chain types
 on:
   schedule:
-    - cron:  '30 0 * * *'
+    - cron:  '30 0/12 * * *'
 
 jobs:
   types:
diff --git a/package.json b/package.json
index 1401960061..b18c01eaba 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,8 @@
     "packElectron:linux": "yarn build:release:electron && electron-builder build --linux",
     "packElectron": "yarn build:release:electron && yarn clean:electronRelease && electron-builder build -mwl",
     "docs": "echo \"skipping docs\"",
-    "ci:chainTypes": "polkadot-dev-run-test --silent packages/apps-config/src/ciChainTypes",
+    "ci:chainEndpoints": "polkadot-dev-run-test --silent packages/apps-config/src/ci/chainEndpoints",
+    "ci:chainTypes": "polkadot-dev-run-test --silent packages/apps-config/src/ci/chainTypes",
     "clean": "polkadot-dev-clean-build",
     "clean:electronBuild": "cd packages/apps-electron && polkadot-dev-clean-build",
     "clean:electronRelease": "cd packages/apps-electron && rm -rf release",
diff --git a/packages/apps-config/src/ci/chainEndpoints.spec.ts b/packages/apps-config/src/ci/chainEndpoints.spec.ts
new file mode 100644
index 0000000000..2a2baf9f7b
--- /dev/null
+++ b/packages/apps-config/src/ci/chainEndpoints.spec.ts
@@ -0,0 +1,11 @@
+// Copyright 2017-2021 @polkadot/apps-config authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import { checkEndpoints } from './util';
+
+describe('--SLOW--: check configured chain endpoints', (): void => {
+  checkEndpoints('./.github/chain-endpoints.md', [
+    'No DNS entry for',
+    'Timeout connecting to'
+  ]);
+});
diff --git a/packages/apps-config/src/ci/chainTypes.spec.ts b/packages/apps-config/src/ci/chainTypes.spec.ts
new file mode 100644
index 0000000000..94ddc05b3f
--- /dev/null
+++ b/packages/apps-config/src/ci/chainTypes.spec.ts
@@ -0,0 +1,10 @@
+// Copyright 2017-2021 @polkadot/apps-config authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import { checkEndpoints } from './util';
+
+describe('--SLOW--: check configured chain types', (): void => {
+  checkEndpoints('./.github/chain-types.md', [
+    'Cannot construct unknown type'
+  ]);
+});
diff --git a/packages/apps-config/src/ciChainTypes.spec.ts b/packages/apps-config/src/ci/util.ts
similarity index 83%
rename from packages/apps-config/src/ciChainTypes.spec.ts
rename to packages/apps-config/src/ci/util.ts
index e465bb9a32..7993b91e48 100644
--- a/packages/apps-config/src/ciChainTypes.spec.ts
+++ b/packages/apps-config/src/ci/util.ts
@@ -7,8 +7,8 @@ import { ApiPromise, WsProvider } from '@polkadot/api';
 import { assert, isError, isString } from '@polkadot/util';
 import { fetch } from '@polkadot/x-fetch';
 
-import { typesBundle, typesChain } from './api';
-import { createWsEndpoints } from './endpoints';
+import { typesBundle, typesChain } from '../api';
+import { createWsEndpoints } from '../endpoints';
 
 interface Endpoint {
   name: string;
@@ -20,15 +20,9 @@ interface DnsResponse {
   Question: { name: string }[];
 }
 
-const FAILURES: string[] = [
-  'Cannot construct unknown type',
-  'No DNS entry for',
-  'Timeout connecting to'
-];
-
 const TICK = '`';
 
-describe('--SLOW--: check configured chain connections', (): void => {
+export function checkEndpoints (issueFile: string, failures: string[]): void {
   createWsEndpoints((k: string, v?: string) => v || k)
     .filter(({ isDisabled, isUnreachable, value }) =>
       !isDisabled &&
@@ -80,8 +74,8 @@ describe('--SLOW--: check configured chain connections', (): void => {
             api.isReadyOrError
           ]);
         } catch (error) {
-          if (isError(error) && FAILURES.some((f) => (error as Error).message.includes(f))) {
-            process.env.CI_LOG && fs.appendFileSync('./.github/chain-types.md', `\n${TICK}${name} @ ${ws} ${error.message}${TICK}\n`);
+          if (isError(error) && failures.some((f) => (error as Error).message.includes(f))) {
+            process.env.CI_LOG && fs.appendFileSync(issueFile, `\n${TICK}${name} @ ${ws} ${error.message}${TICK}\n`);
 
             throw error;
           }
@@ -104,4 +98,4 @@ describe('--SLOW--: check configured chain connections', (): void => {
         }
       })
     );
-});
+}