diff --git a/tck/src/main/java/org/eclipse/microprofile/openapi/reader/MyOASModelReaderForJustComponentApp.java b/tck/src/main/java/org/eclipse/microprofile/openapi/reader/MyOASModelReaderForJustComponentApp.java
new file mode 100644
index 00000000..47a36311
--- /dev/null
+++ b/tck/src/main/java/org/eclipse/microprofile/openapi/reader/MyOASModelReaderForJustComponentApp.java
@@ -0,0 +1,47 @@
+/**
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.eclipse.microprofile.openapi.reader;
+
+import java.util.HashMap;
+
+import org.eclipse.microprofile.openapi.OASFactory;
+import org.eclipse.microprofile.openapi.OASModelReader;
+import org.eclipse.microprofile.openapi.models.Components;
+import org.eclipse.microprofile.openapi.models.OpenAPI;
+import org.eclipse.microprofile.openapi.models.info.Contact;
+import org.eclipse.microprofile.openapi.models.info.Info;
+import org.eclipse.microprofile.openapi.models.media.Schema;
+
+public class MyOASModelReaderForJustComponentApp implements OASModelReader {
+
+    @Override
+    public OpenAPI buildModel() {
+        return OASFactory.createObject(OpenAPI.class)
+                .info(OASFactory.createObject(Info.class)
+                        .title("MarketApp API")
+                        .version("1.0")
+                        .termsOfService("http://example.com/terms")
+                        .contact(OASFactory.createObject(Contact.class)
+                                .name("market API Support")
+                                .url("http://example.com/contact")
+                                .email("admin@example.com")))
+                .components(OASFactory.createObject(Components.class)
+                        .schemas(new HashMap<String, Schema>())
+                        .addSchema("id", OASFactory.createObject(Schema.class)
+                                .addType(Schema.SchemaType.INTEGER)
+                                .format("int32")));
+    }
+}
diff --git a/tck/src/main/java/org/eclipse/microprofile/openapi/reader/MyOASModelReaderForJustWebHookApp.java b/tck/src/main/java/org/eclipse/microprofile/openapi/reader/MyOASModelReaderForJustWebHookApp.java
new file mode 100644
index 00000000..cc473dcd
--- /dev/null
+++ b/tck/src/main/java/org/eclipse/microprofile/openapi/reader/MyOASModelReaderForJustWebHookApp.java
@@ -0,0 +1,45 @@
+/**
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.eclipse.microprofile.openapi.reader;
+
+import org.eclipse.microprofile.openapi.OASFactory;
+import org.eclipse.microprofile.openapi.OASModelReader;
+import org.eclipse.microprofile.openapi.models.OpenAPI;
+import org.eclipse.microprofile.openapi.models.info.Contact;
+import org.eclipse.microprofile.openapi.models.info.Info;
+
+public class MyOASModelReaderForJustWebHookApp implements OASModelReader {
+
+    @Override
+    public OpenAPI buildModel() {
+        return OASFactory.createObject(OpenAPI.class)
+                .info(OASFactory.createObject(Info.class)
+                        .title("MarketApp API")
+                        .version("1.0")
+                        .termsOfService("http://example.com/terms")
+                        .contact(OASFactory.createObject(Contact.class)
+                                .name("market API Support")
+                                .url("http://example.com/contact")
+                                .email("admin@example.com")))
+                .addWebhook("MarketEvent", OASFactory.createPathItem()
+                        .GET(OASFactory.createOperation()
+                                .summary("Notifies that a deal has been done")
+                                .responses(OASFactory.createAPIResponses()
+                                        .addAPIResponse("202", OASFactory.createAPIResponse()
+                                                .description(
+                                                        "Indicates that the deal was processed successfully")))));
+    }
+}
diff --git a/tck/src/main/java/org/eclipse/microprofile/openapi/tck/ModelReaderAppWithJustComponentTest.java b/tck/src/main/java/org/eclipse/microprofile/openapi/tck/ModelReaderAppWithJustComponentTest.java
new file mode 100644
index 00000000..f9e94924
--- /dev/null
+++ b/tck/src/main/java/org/eclipse/microprofile/openapi/tck/ModelReaderAppWithJustComponentTest.java
@@ -0,0 +1,42 @@
+/**
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.eclipse.microprofile.openapi.tck;
+
+import static org.hamcrest.Matchers.equalTo;
+
+import org.jboss.arquillian.container.test.api.Deployment;
+import org.jboss.shrinkwrap.api.ShrinkWrap;
+import org.jboss.shrinkwrap.api.spec.WebArchive;
+import org.testng.annotations.Test;
+
+import io.restassured.response.ValidatableResponse;
+
+public class ModelReaderAppWithJustComponentTest extends AppTestBase {
+    @Deployment(name = "airlinesModelReader", testable = false)
+    public static WebArchive createDeployment() {
+        return ShrinkWrap.create(WebArchive.class, "noPathsAppReader.war")
+                .addPackages(true, "org.eclipse.microprofile.openapi.reader")
+                .addAsManifestResource("microprofile-reader-just-component.properties",
+                        "microprofile-config.properties");
+    }
+
+    @Test(dataProvider = "formatProvider")
+    public void testDocumentCreated(String type) {
+        ValidatableResponse vr = callEndpoint(type);
+        vr.body("components.schemas.id.format", equalTo("int32"));
+    }
+}
diff --git a/tck/src/main/java/org/eclipse/microprofile/openapi/tck/ModelReaderAppWithJustWebHookTest.java b/tck/src/main/java/org/eclipse/microprofile/openapi/tck/ModelReaderAppWithJustWebHookTest.java
new file mode 100644
index 00000000..a6ffbae4
--- /dev/null
+++ b/tck/src/main/java/org/eclipse/microprofile/openapi/tck/ModelReaderAppWithJustWebHookTest.java
@@ -0,0 +1,41 @@
+/**
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.eclipse.microprofile.openapi.tck;
+
+import static org.hamcrest.Matchers.equalTo;
+
+import org.jboss.arquillian.container.test.api.Deployment;
+import org.jboss.shrinkwrap.api.ShrinkWrap;
+import org.jboss.shrinkwrap.api.spec.WebArchive;
+import org.testng.annotations.Test;
+
+import io.restassured.response.ValidatableResponse;
+
+public class ModelReaderAppWithJustWebHookTest extends AppTestBase {
+    @Deployment(name = "airlinesModelReader", testable = false)
+    public static WebArchive createDeployment() {
+        return ShrinkWrap.create(WebArchive.class, "noPathsAppReader.war")
+                .addPackages(true, "org.eclipse.microprofile.openapi.reader")
+                .addAsManifestResource("microprofile-reader-just-webhook.properties", "microprofile-config.properties");
+    }
+
+    @Test(dataProvider = "formatProvider")
+    public void testDocumentCreated(String type) {
+        ValidatableResponse vr = callEndpoint(type);
+        vr.body("webhooks.MarketEvent.get.summary", equalTo("Notifies that a deal has been done"));
+    }
+}
diff --git a/tck/src/main/resources/microprofile-reader-just-component.properties b/tck/src/main/resources/microprofile-reader-just-component.properties
new file mode 100644
index 00000000..fd002ba1
--- /dev/null
+++ b/tck/src/main/resources/microprofile-reader-just-component.properties
@@ -0,0 +1,14 @@
+# Copyright (c) 2024 Contributors to the Eclipse Foundation
+# <p>
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# <p>
+# http://www.apache.org/licenses/LICENSE-2.0
+# <p>
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+mp.openapi.model.reader=org.eclipse.microprofile.openapi.reader.MyOASModelReaderForJustComponentApp
\ No newline at end of file
diff --git a/tck/src/main/resources/microprofile-reader-just-webhook.properties b/tck/src/main/resources/microprofile-reader-just-webhook.properties
new file mode 100644
index 00000000..2b76a801
--- /dev/null
+++ b/tck/src/main/resources/microprofile-reader-just-webhook.properties
@@ -0,0 +1,14 @@
+# Copyright (c) 2024 Contributors to the Eclipse Foundation
+# <p>
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# <p>
+# http://www.apache.org/licenses/LICENSE-2.0
+# <p>
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+mp.openapi.model.reader=org.eclipse.microprofile.openapi.reader.MyOASModelReaderForJustWebHookApp
\ No newline at end of file