diff --git a/.github/workflows/cylc-checks.yml b/.github/workflows/cylc-checks.yml
new file mode 100644
index 0000000..45ccf7f
--- /dev/null
+++ b/.github/workflows/cylc-checks.yml
@@ -0,0 +1,32 @@
+name: Cylc Checks
+
+on:
+  push:
+    branches: [master, cylc-8]
+  pull_request:
+    branches: [master, cylc-8]
+  workflow_dispatch:
+
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Python
+        uses: actions/setup-python@v3
+    
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install cylc-flow
+          
+      - name: Checking workflow with Cylc Lint
+        run: |
+          cylc lint --color=always ./simplest
+
+      - name: Checking workflow with Cylc Lint
+        run: |
+          cylc validate --color=always ./simplest
diff --git a/LICENSE.md b/LICENSE.md
new file mode 100644
index 0000000..bfd4d31
--- /dev/null
+++ b/LICENSE.md
@@ -0,0 +1,13 @@
+Zero-Clause BSD
+=============
+
+Permission to use, copy, modify, and/or distribute this software for
+any purpose with or without fee is hereby granted.
+
+THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL
+WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE
+FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
+DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
\ No newline at end of file
diff --git a/README.md b/README.md
index 437f67e..95bd379 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ You may find these easier to start with than writing a suite from scratch.
 | Name                                                                             | Written For  | Tested With  |
 | -------------------------------------------------------------------------------- | ------------ | ------------ |
 | **[🔗](https://github.com/wxtim/workflows/tree/cylc-8/biggish)** A large random workflow | 8.x          | 8.03         |
-| **[🔗](https://github.com/wxtim/workflows/tree/cylc-8/simplest)** Simplest Workflow | 7.x          | 7.8.11       |
+| **[🔗](https://github.com/wxtim/workflows/tree/cylc-8/simplest)** Simplest Workflow [![Cylc Checks](https://github.com/wxtim/workflows/actions/workflows/cylc-checks.yml/badge.svg)](https://github.com/wxtim/workflows/actions/workflows/cylc-checks.yml) | 7.x          | 7.8.11       |
 | **[🔗](https://github.com/wxtim/workflows/tree/cylc-8/optional-outputs)** Optional outputs | 8.x          | 8.0.3        |
 | **[🔗](https://github.com/wxtim/workflows/tree/cylc-8/warning)** Have Cylc Send an email when a task uses Cylc Message | 7.x          | 7.8.7        |
 | **[🔗](https://github.com/wxtim/workflows/tree/cylc-8/return-info)** Passing Station Lists | 7.x          | 7.8.11       |
@@ -24,3 +24,11 @@ You may find these easier to start with than writing a suite from scratch.
 | **[🔗](https://github.com/wxtim/workflows/tree/cylc-8/queues)** Demonstration of Queues and Parameterization | 7.x          | 8.1.0        |
 | **[🔗](https://github.com/wxtim/workflows/tree/cylc-8/clock-trigger)** Suite daily cycling triggered by clock. | 8.x          | 8.0.3        |
 | **[🔗](https://github.com/wxtim/workflows/tree/cylc-8/pythonconflict)** Remove Cylc Lib from Path | 7.8.7        | 8.1.0        |
+
+
+# License
+
+I've used 0-clause BSD. That should leave you nicely free. If you are not convinced
+that it allows your use case you can and should ask me.
+
+I'd love to know if you find any of this useful.
diff --git a/simplest/README.md b/simplest/README.md
index 3ce758f..2260065 100644
--- a/simplest/README.md
+++ b/simplest/README.md
@@ -1,3 +1,8 @@
 ### Simplest Workflow
-Should give you just enough to get going
 
+[![Cylc Checks](https://github.com/wxtim/workflows/actions/workflows/cylc-checks.yml/badge.svg)](https://github.com/wxtim/workflows/actions/workflows/cylc-checks.yml)
+
+Should give you just enough to get going.
+
+GitHub Actions Validation carried out by the following script:
+https://github.com/wxtim/workflows/blob/cylc-8/.github/workflows/cylc-checks.yml
diff --git a/strange-parameters/README.md b/strange-parameters/README.md
index 1191d0b..29856cf 100644
--- a/strange-parameters/README.md
+++ b/strange-parameters/README.md
@@ -6,3 +6,5 @@ Use a function to generate task parameter numbers.
 ### Case: Tasks which occur in prime number cycling
 Cicadas reproduce in prime numbers of years to avoid
 predators.
+
+![graph of workflow](graph.svg)