chore(main): release 1.12.1

Author: adk-java-releases-bot

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-    ".": "1.12.0"
+    ".": "1.12.1"
 }

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.12.1](https://github.com/google/adk-java/compare/v1.12.0...v1.12.1) (2026-10-14)
+
+
+### Bug Fixes
+
+* **mcp:** emit valid JSON Schema when converting ADK tools to MCP tools ([60250a9](https://github.com/google/adk-java/commit/60250a930ec50b9e63a4bef8b6d3949fa0b31817))
+
 ## [1.12.0](https://github.com/google/adk-java/compare/v1.11.0...v1.12.0) (2026-10-14)
 
 

README.md

@@ -50,13 +50,13 @@ If you're using Maven, add the following to your dependencies:
 <dependency>
   <groupId>com.google.adk</groupId>
   <artifactId>google-adk</artifactId>
-  <version>1.12.0</version>
+  <version>1.12.1</version>
 </dependency>
 <!-- Dev UI -->
 <dependency>
     <groupId>com.google.adk</groupId>
     <artifactId>google-adk-dev</artifactId>
-    <version>1.12.0</version>
+    <version>1.12.1</version>
 </dependency>
 ```
 

a2a/pom.xml

@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.google.adk</groupId>
     <artifactId>google-adk-parent</artifactId>
-    <version>1.12.1-SNAPSHOT</version><!-- {x-version-update:google-adk:current} -->
+    <version>1.12.1</version><!-- {x-version-update:google-adk:current} -->
   </parent>
 
   <artifactId>google-adk-a2a</artifactId>

contrib/firestore-session-service/pom.xml

@@ -20,7 +20,7 @@
     <parent>
         <groupId>com.google.adk</groupId>
         <artifactId>google-adk-parent</artifactId>
-        <version>1.12.1-SNAPSHOT</version><!-- {x-version-update:google-adk:current} -->
+        <version>1.12.1</version><!-- {x-version-update:google-adk:current} -->
         <relativePath>../../pom.xml</relativePath>
     </parent>
 

contrib/langchain4j/pom.xml

@@ -20,7 +20,7 @@
     <parent>
         <groupId>com.google.adk</groupId>
         <artifactId>google-adk-parent</artifactId>
-        <version>1.12.1-SNAPSHOT</version><!-- {x-version-update:google-adk:current} -->
+        <version>1.12.1</version><!-- {x-version-update:google-adk:current} -->
         <relativePath>../../pom.xml</relativePath>
     </parent>
 

contrib/planners/pom.xml

@@ -20,7 +20,7 @@
     <parent>
         <groupId>com.google.adk</groupId>
         <artifactId>google-adk-parent</artifactId>
-        <version>1.12.1-SNAPSHOT</version><!-- {x-version-update:google-adk:current} -->
+        <version>1.12.1</version><!-- {x-version-update:google-adk:current} -->
         <relativePath>../../pom.xml</relativePath>
     </parent>
 

contrib/spring-ai/pom.xml

@@ -20,7 +20,7 @@
     <parent>
         <groupId>com.google.adk</groupId>
         <artifactId>google-adk-parent</artifactId>
-        <version>1.12.1-SNAPSHOT</version><!-- {x-version-update:google-adk:current} -->
+        <version>1.12.1</version><!-- {x-version-update:google-adk:current} -->
         <relativePath>../../pom.xml</relativePath>
     </parent>
 

core/pom.xml

@@ -20,7 +20,7 @@
   <parent>
     <groupId>com.google.adk</groupId>
     <artifactId>google-adk-parent</artifactId>
-    <version>1.12.1-SNAPSHOT</version><!-- {x-version-update:google-adk:current} -->
+    <version>1.12.1</version><!-- {x-version-update:google-adk:current} -->
   </parent>
 
   <artifactId>google-adk</artifactId>

core/src/main/java/com/google/adk/Version.java

@@ -22,7 +22,7 @@
  */
 public final class Version {
   // Don't touch this, release-please should keep it up to date.
-  public static final String JAVA_ADK_VERSION = "1.12.0"; // x-release-please-released-version
+  public static final String JAVA_ADK_VERSION = "1.12.1"; // x-release-please-released-version
 
   private Version() {}
 }