diff --git a/.github/workflows/validation-json-schema.yml b/.github/workflows/validation-json-schema.yml
new file mode 100644
index 0000000..0a1b69c
--- /dev/null
+++ b/.github/workflows/validation-json-schema.yml
@@ -0,0 +1,17 @@
+# GitHub Action to validate schema and example files
+# https://github.com/codespell-project/actions-codespell
+name: Validation - JSON-Schema
+on: [push, pull_request]
+jobs:
+  validate-schema:
+    name: Validate our Schema
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Node
+        uses: actions/setup-node@v1
+        with:
+          node-version: '12'
+      - name: Install dependencies
+        run: npm install @cfworker/json-schema
+      - run: node --unhandled-rejections=strict validate-schema.mjs
diff --git a/.gitignore b/.gitignore
index e43b0f9..9daa824 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 .DS_Store
+node_modules
diff --git a/rdm-schema.json b/rdm-schema.json
index 259fd5f..6ffa4c0 100644
--- a/rdm-schema.json
+++ b/rdm-schema.json
@@ -3,7 +3,6 @@
   "$schema": "https://json-schema.org/draft/2019-09/schema",
   "title": "Parameter Message",
   "description": "The schema for the Parameter Metadata Language from Section 5 of E1.37-5. This schema is subject to change.",
-  "type": "object",
   "$ref": "#/$defs/commonPropertiesForNamed",
   "properties": {
     "manufacturer_id": {
diff --git a/validate-schema.mjs b/validate-schema.mjs
new file mode 100644
index 0000000..6d6a7a6
--- /dev/null
+++ b/validate-schema.mjs
@@ -0,0 +1,64 @@
+import { promises as fs } from 'fs';
+import { Validator } from '@cfworker/json-schema';
+import * as path from "path"
+// const path = require("path");
+// const JsonSchema = require("@cfworker/json-schema");
+//import RdmSchema from "./rdm-schema.json"
+//const { RdmSchema } = JSON.parse(fs.readFile('./rdm-schema.json'));
+
+async function validate(validator, filename) {
+  // JsonSchema.setShouldMetaValidate(true);
+  // JsonSchema.setMetaOutputFormat(JsonSchema.VERBOSE);
+
+  // Fetch from file
+  const fileContent = await fs.readFile(path.resolve() + filename)
+  console.log("Checking file " + path.resolve() + filename);
+  // console.log("Contents:");
+  // console.log(JSON.parse(fileContent.toString()));
+  const output = validator.validate(JSON.parse(fileContent.toString()))
+  // const output = await JsonSchema.validate(schema, "file://" + filename, JsonSchema.VERBOSE);
+  // console.log(output);
+  if (output.valid) {
+    console.log("File " + filename + " is valid :-)");
+  } else {
+    console.log("File " + filename + " is invalid :-(", output.errors); process.exitCode = 1
+  }
+}
+
+//From https://gist.github.com/lovasoa/8691344#file-node-walk-es6
+async function* walk(dir) {
+  for await (const d of await fs.opendir(path.resolve() + dir)) {
+    const entry = path.join(dir, d.name);
+    if (d.isDirectory()) yield* walk(entry);
+    else if (d.isFile()) yield entry;
+  }
+}
+
+async function validateAllFiles(validator, exampleDir) {
+  for await (const file of walk(exampleDir)) {
+    if (/\.json$/.test(file)) {
+      await validate(validator, file);
+    }
+  }
+}
+
+(async function() {
+  console.log("Loading schema");
+  const rawSchema = await fs.readFile(path.resolve() + "/rdm-schema.json");
+  //console.log("Got raw schema:");
+  //console.log(rawSchema.toString());
+  //console.log("Got parsed JSON:");
+  //console.log(JSON.parse(rawSchema.toString()))
+  const RdmSchema = JSON.parse(rawSchema.toString());
+  console.log("Got schema:");
+  console.log(RdmSchema);
+
+  console.log("Prepping validator");
+  const validator = new Validator(RdmSchema, '2019-09');
+  validator.addSchema("https://json-schema.org/draft/2019-09/schema")
+  
+  console.log("Validating single file");
+  validate(validator, "/examples/e1.20/BOOT_SOFTWARE_VERSION_ID.json");
+  console.log("Validating all examples");
+  validateAllFiles(validator, "/examples/");
+    })();