diff --git a/conformance-tests/client-jdk-http-client/pom.xml b/conformance-tests/client-jdk-http-client/pom.xml
index c248395dd..375c0cb96 100644
--- a/conformance-tests/client-jdk-http-client/pom.xml
+++ b/conformance-tests/client-jdk-http-client/pom.xml
@@ -6,7 +6,7 @@
io.modelcontextprotocol.sdk
conformance-tests
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
client-jdk-http-client
jar
@@ -24,7 +24,7 @@
io.modelcontextprotocol.sdk
mcp
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
diff --git a/conformance-tests/pom.xml b/conformance-tests/pom.xml
index ecae56894..379655615 100644
--- a/conformance-tests/pom.xml
+++ b/conformance-tests/pom.xml
@@ -6,7 +6,7 @@
io.modelcontextprotocol.sdk
mcp-parent
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
conformance-tests
pom
diff --git a/conformance-tests/server-servlet/pom.xml b/conformance-tests/server-servlet/pom.xml
index 4ac5de413..94542bbf5 100644
--- a/conformance-tests/server-servlet/pom.xml
+++ b/conformance-tests/server-servlet/pom.xml
@@ -6,7 +6,7 @@
io.modelcontextprotocol.sdk
conformance-tests
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
server-servlet
jar
@@ -24,7 +24,7 @@
io.modelcontextprotocol.sdk
mcp
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
diff --git a/mcp-bom/pom.xml b/mcp-bom/pom.xml
index ab952a5a0..ceed3c8bc 100644
--- a/mcp-bom/pom.xml
+++ b/mcp-bom/pom.xml
@@ -7,7 +7,7 @@
io.modelcontextprotocol.sdk
mcp-parent
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
mcp-bom
diff --git a/mcp-core/pom.xml b/mcp-core/pom.xml
index 93fb8b578..160ec662b 100644
--- a/mcp-core/pom.xml
+++ b/mcp-core/pom.xml
@@ -6,7 +6,7 @@
io.modelcontextprotocol.sdk
mcp-parent
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
mcp-core
jar
diff --git a/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletSseServerTransportProvider.java b/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletSseServerTransportProvider.java
index d84518778..0decc4e83 100644
--- a/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletSseServerTransportProvider.java
+++ b/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletSseServerTransportProvider.java
@@ -267,7 +267,6 @@ protected void doGet(HttpServletRequest request, HttpServletResponse response)
response.setCharacterEncoding(UTF_8);
response.setHeader("Cache-Control", "no-cache");
response.setHeader("Connection", "keep-alive");
- response.setHeader("Access-Control-Allow-Origin", "*");
String sessionId = UUID.randomUUID().toString();
AsyncContext asyncContext = request.startAsync();
diff --git a/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletStreamableServerTransportProvider.java b/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletStreamableServerTransportProvider.java
index ccd1d1ccb..c7eb4d0a0 100644
--- a/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletStreamableServerTransportProvider.java
+++ b/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletStreamableServerTransportProvider.java
@@ -302,7 +302,6 @@ protected void doGet(HttpServletRequest request, HttpServletResponse response)
response.setCharacterEncoding(UTF_8);
response.setHeader("Cache-Control", "no-cache");
response.setHeader("Connection", "keep-alive");
- response.setHeader("Access-Control-Allow-Origin", "*");
AsyncContext asyncContext = request.startAsync();
asyncContext.setTimeout(0);
@@ -503,7 +502,6 @@ else if (message instanceof McpSchema.JSONRPCRequest jsonrpcRequest) {
response.setCharacterEncoding(UTF_8);
response.setHeader("Cache-Control", "no-cache");
response.setHeader("Connection", "keep-alive");
- response.setHeader("Access-Control-Allow-Origin", "*");
AsyncContext asyncContext = request.startAsync();
asyncContext.setTimeout(0);
diff --git a/mcp-json-jackson2/pom.xml b/mcp-json-jackson2/pom.xml
index 6f0b9550c..2db7d3c0f 100644
--- a/mcp-json-jackson2/pom.xml
+++ b/mcp-json-jackson2/pom.xml
@@ -6,7 +6,7 @@
io.modelcontextprotocol.sdk
mcp-parent
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
mcp-json-jackson2
jar
@@ -70,7 +70,7 @@
io.modelcontextprotocol.sdk
mcp-core
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
com.networknt
diff --git a/mcp-json-jackson3/pom.xml b/mcp-json-jackson3/pom.xml
index 7f7c319d8..6dffe03c1 100644
--- a/mcp-json-jackson3/pom.xml
+++ b/mcp-json-jackson3/pom.xml
@@ -6,7 +6,7 @@
io.modelcontextprotocol.sdk
mcp-parent
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
mcp-json-jackson3
jar
@@ -64,7 +64,7 @@
io.modelcontextprotocol.sdk
mcp-core
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
tools.jackson.core
diff --git a/mcp-spring/mcp-spring-webflux/pom.xml b/mcp-spring/mcp-spring-webflux/pom.xml
index 3bec24c51..8f2646494 100644
--- a/mcp-spring/mcp-spring-webflux/pom.xml
+++ b/mcp-spring/mcp-spring-webflux/pom.xml
@@ -6,7 +6,7 @@
io.modelcontextprotocol.sdk
mcp-parent
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
../../pom.xml
mcp-spring-webflux
@@ -26,13 +26,13 @@
io.modelcontextprotocol.sdk
mcp-core
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
io.modelcontextprotocol.sdk
mcp-test
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
test
@@ -45,7 +45,7 @@
io.modelcontextprotocol.sdk
mcp-json-jackson2
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
test
diff --git a/mcp-spring/mcp-spring-webmvc/pom.xml b/mcp-spring/mcp-spring-webmvc/pom.xml
index 46afdac84..b1a738e11 100644
--- a/mcp-spring/mcp-spring-webmvc/pom.xml
+++ b/mcp-spring/mcp-spring-webmvc/pom.xml
@@ -6,7 +6,7 @@
io.modelcontextprotocol.sdk
mcp-parent
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
../../pom.xml
mcp-spring-webmvc
@@ -26,7 +26,7 @@
io.modelcontextprotocol.sdk
mcp-core
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
@@ -38,21 +38,21 @@
io.modelcontextprotocol.sdk
mcp-test
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
test
io.modelcontextprotocol.sdk
mcp-spring-webflux
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
test
io.modelcontextprotocol.sdk
mcp-json-jackson2
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
test
diff --git a/mcp-test/pom.xml b/mcp-test/pom.xml
index 8b4a8f69c..30d88dad0 100644
--- a/mcp-test/pom.xml
+++ b/mcp-test/pom.xml
@@ -6,7 +6,7 @@
io.modelcontextprotocol.sdk
mcp-parent
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
mcp-test
jar
@@ -24,7 +24,7 @@
io.modelcontextprotocol.sdk
mcp-core
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
@@ -156,7 +156,7 @@
io.modelcontextprotocol.sdk
mcp-json-jackson3
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
test
@@ -170,7 +170,7 @@
io.modelcontextprotocol.sdk
mcp-json-jackson2
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
test
diff --git a/mcp/pom.xml b/mcp/pom.xml
index a2770c59b..19e91aca6 100644
--- a/mcp/pom.xml
+++ b/mcp/pom.xml
@@ -6,7 +6,7 @@
io.modelcontextprotocol.sdk
mcp-parent
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
mcp
jar
@@ -25,13 +25,13 @@
io.modelcontextprotocol.sdk
mcp-json-jackson2
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
io.modelcontextprotocol.sdk
mcp-core
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
diff --git a/pom.xml b/pom.xml
index cdec9d4da..c10ca6c80 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
io.modelcontextprotocol.sdk
mcp-parent
- 0.18.3-SNAPSHOT
+ 0.18.4-SNAPSHOT
pom
https://github.com/modelcontextprotocol/java-sdk