diff --git a/.github/workflows/validate-pubnub-yml.yml b/.github/workflows/validate-pubnub-yml.yml
new file mode 100644
index 0000000..40b0a03
--- /dev/null
+++ b/.github/workflows/validate-pubnub-yml.yml
@@ -0,0 +1,21 @@
+name: validate-pubnub-yml
+on: [push]
+
+jobs:
+  build:
+    name: Validate PubNub yml
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js
+        uses: actions/setup-node@v1
+        with:
+          node-version: "12.x"
+      - name: Install dependencies
+        run: |
+          npm install ajv@6.12.6
+          npm install yaml@1.10.0
+          npm install node-fetch@2.6.1
+          npm install chalk@2.4.2
+      - name: Validate
+        run: GITHUB_TOKEN=${{ secrets.GH_TOKEN }} node ./.github/workflows/validate-yml.js
diff --git a/.github/workflows/validate-yml.js b/.github/workflows/validate-yml.js
new file mode 100644
index 0000000..e76e195
--- /dev/null
+++ b/.github/workflows/validate-yml.js
@@ -0,0 +1,98 @@
+const YAML = require("yaml");
+const Ajv = require("ajv");
+const fetch = require("node-fetch");
+const fs = require("fs");
+const chalk = require("chalk");
+
+const ghToken = process.env.GITHUB_TOKEN;
+const ghHeaders = {
+  "User-Agent": "sdk-bot",
+  Authorization: "token " + ghToken,
+  Accept: "application/vnd.github.v3.raw",
+};
+
+const sdkReposJSONBranch = "develop";
+let sdkReposJSONPath =
+  "http://api.github.com/repos/pubnub/documentation-resources/contents/website-common/tools/build/sdk-repos.json?ref=" +
+  sdkReposJSONBranch;
+startExecution(sdkReposJSONPath);
+
+async function startExecution(sdkReposJSONPath) {
+  var sdkRepos = await requestGetFromGithub(sdkReposJSONPath);
+  var sdkReposAndFeatureMappingArray = parseReposAndFeatureMapping(sdkRepos);
+  var schemaText = await requestGetFromGithub(sdkReposAndFeatureMappingArray[2]);
+
+  schema = JSON.parse(schemaText);
+  var yaml = fs.readFileSync(".pubnub.yml", "utf8");
+
+  if (yaml != null) {
+    yml = YAML.parse(yaml);
+    var ajv = new Ajv({ schemaId: "id", verbose: true, allErrors: true });
+    const validate = ajv.compile(schema);
+    const valid = validate(yml);
+    if (validate.errors != null) {
+      console.log(chalk.cyan("==================================="));
+      console.log(chalk.red(yml["version"] + " validation errors..."));
+      console.log(chalk.cyan("==================================="));
+      console.log(validate.errors);
+      console.log(chalk.cyan("==================================="));
+      var result = { code: 1, repo: yml["version"], msg: "validation errors" };
+      printResult(result);
+      process.exit(1);
+    } else {
+      var result = { code: 0, repo: yml["version"], msg: "validation pass" };
+      printResult(result);
+    }
+  } else {
+    var result = { code: 1, repo: "yml null", msg: "validation errors" };
+    printResult(result);
+    process.exit(1);
+  }
+}
+
+function printResult(result) {
+  var str = result.repo + ", " + result.msg;
+  if (result.code === 0) {
+    console.log(chalk.green(str) + ", Code: " + result.code);
+  } else {
+    console.log(chalk.red(str) + ", Code: " + result.code);
+  }
+}
+
+async function requestGetFromGithub(url) {
+  try {
+    const response = await fetch(url, {
+      headers: ghHeaders,
+      method: "get",
+    });
+    if (response.status == 200) {
+      const json = await response.text();
+      return json;
+    } else {
+      console.error(chalk.red("res.status: " + response.status + "\n URL: " + url));
+      return null;
+    }
+  } catch (error) {
+    console.error(chalk.red("requestGetFromGithub: " + error + "\n URL: " + url));
+    return null;
+  }
+}
+
+function parseReposAndFeatureMapping(body) {
+  if (body != null) {
+    var sdkRepos = JSON.parse(body);
+    var locations = sdkRepos["locations"];
+    if (locations != null) {
+      var sdkURLs = locations["sdks"];
+      var featureMappingURL = locations["featureMapping"];
+      var pubnubYAMLSchemaURL = locations["pubnubYAMLSchema"];
+      return [sdkURLs, featureMappingURL, pubnubYAMLSchemaURL];
+    } else {
+      console.log(chalk.red("response locations null"));
+      return null;
+    }
+  } else {
+    console.log(chalk.red("response body null"));
+    return null;
+  }
+}