diff --git a/cdc-service/src/main/java/com/xtrmetl/cdc/spi/MysqlDebeziumCdcSource.java b/cdc-service/src/main/java/com/xtrmetl/cdc/spi/MysqlDebeziumCdcSource.java
index f3624891..59a96d0e 100644
--- a/cdc-service/src/main/java/com/xtrmetl/cdc/spi/MysqlDebeziumCdcSource.java
+++ b/cdc-service/src/main/java/com/xtrmetl/cdc/spi/MysqlDebeziumCdcSource.java
@@ -1,13 +1,14 @@
 package com.xtrmetl.cdc.spi;
 
-import org.springframework.stereotype.Component;
-
 import java.util.Set;
 
 /**
- * Scaffold for MySQL binlog CDC via Debezium. Not on the classpath / not started.
+ * Non-production reference scaffold for a future MySQL binlog CDC integration via Debezium.
+ *
+ * <p>This type is intentionally not a Spring component. Production source discovery must not
+ * advertise MySQL until the connector dependency, lifecycle, offsets/history, prerequisites,
+ * recovery and realistic integration behavior are implemented and verified.</p>
  */
-@Component
 public final class MysqlDebeziumCdcSource extends AbstractScaffoldCdcSource {
 
     public static final String ID = "mysql-debezium";
diff --git a/cdc-service/src/test/java/com/xtrmetl/cdc/spi/CdcSourceRegistryTest.java b/cdc-service/src/test/java/com/xtrmetl/cdc/spi/CdcSourceRegistryTest.java
index 020f6329..e3fdb752 100644
--- a/cdc-service/src/test/java/com/xtrmetl/cdc/spi/CdcSourceRegistryTest.java
+++ b/cdc-service/src/test/java/com/xtrmetl/cdc/spi/CdcSourceRegistryTest.java
@@ -3,6 +3,7 @@
 import com.xtrmetl.cdc.service.CdcService;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.ObjectProvider;
+import org.springframework.stereotype.Component;
 
 import java.util.List;
 import java.util.Map;
@@ -44,7 +45,12 @@ void postgresSpiStartAndStopDelegateToCdcService() throws Exception {
     }
 
     @Test
-    void registersScaffoldSourcesWhenProvided() {
+    void mysqlScaffoldIsNotAutoDiscoveredAsAProductionSource() {
+        assertFalse(MysqlDebeziumCdcSource.class.isAnnotationPresent(Component.class));
+    }
+
+    @Test
+    void registersScaffoldSourcesWhenProvidedExplicitly() {
         CdcSourceRegistry registry = new CdcSourceRegistry(List.of(
                 new PostgresDebeziumCdcSource(),
                 new MysqlDebeziumCdcSource(),
diff --git a/docs/cdc/any-to-any-cdc.md b/docs/cdc/any-to-any-cdc.md
index ea38607b..0c56628d 100644
--- a/docs/cdc/any-to-any-cdc.md
+++ b/docs/cdc/any-to-any-cdc.md
@@ -55,7 +55,8 @@ Package: `com.xtrmetl.cdc.spi`
 - `CdcSourceConnector` — lifecycle + start/stop capture
 - `SourceCapabilities` — declares engine (debezium/logminer/… ), databases supported
 - `PostgresDebeziumCdcSource` — adapter wrapping existing `CdcService` configuration surface
-- `CdcSourceRegistry` — discovery; exposed via `GET /api/cdc/sources` and status payload
+- `CdcSourceRegistry` — production discovery; exposed via `GET /api/cdc/sources` and status payload
+- `MysqlDebeziumCdcSource` — non-production reference scaffold only; intentionally not a Spring component until real MySQL CDC support is implemented
 
 ## Target SPI (Java)
 
@@ -79,11 +80,11 @@ xtrmetl:
 ```
 
 - **Declared** in `application.yml` / `XtrmetlProperties.Cdc.sources` and reported on `GET /api/cdc/status` as `configuredSources` via `CdcSourceFactory`.
-- **Registered types:**
+- **Production-discovered types:**
   | Type id | Status |
   |:--------|:-------|
   | `postgres-debezium` | **Live** — SPI `start`/`stop` delegates to `CdcService` |
-  | `mysql-debezium` | Scaffold only (no connector JAR) |
+  | `mysql-debezium` | **Not registered** — reference scaffold only; configured use resolves as unknown source type |
   | `sqlserver-debezium` | Scaffold only (no connector JAR) |
 - **Live engine:** still a single Debezium Postgres path in `CdcService` (multi-source start not implemented).
 - Targets remain: Kafka (live raw publish) + optional JDBC replica (`replica.enabled`).