all: use spring.ai.mcp.server.protocol=STATELESS

- Working around MCP inspector not sending the session id header in
  notifications/initialized

Signed-off-by: Daniel Garnier-Moiroux <[email protected]>

Author: Kehrlann

samples/sample-mcp-server-api-key/src/main/resources/application.properties

@@ -1,5 +1,6 @@
 spring.application.name=mcp-server-weather-apikey
 server.port=${PORT:8092}
 spring.ai.mcp.server.name=mcp-server-weather-apikey
-spring.ai.mcp.server.protocol=STREAMABLE
+# using stateless because of https://github.com/modelcontextprotocol/inspector/issues/905
+spring.ai.mcp.server.protocol=STATELESS
 logging.level.org.springframework.security=TRACE

samples/sample-mcp-server-secured-tools/src/main/resources/application.properties

@@ -2,7 +2,7 @@ spring.application.name=sample-mcp-server-streamable-http-secured-tools
 server.port=8091
 server.servlet.session.cookie.name=MCP_SERVER_STREAMABLE_HTTP_SECURED_TOOLS_SESSIONID
 spring.ai.mcp.server.name=mcp-server-weather-streamable-http-secured-tools
-spring.ai.mcp.server.protocol=STREAMABLE
+spring.ai.mcp.server.protocol=STATELESS
 
 spring.security.oauth2.resourceserver.jwt.issuer-uri=http://localhost:9000
 

samples/sample-mcp-server/src/main/resources/application.properties

@@ -2,7 +2,8 @@ spring.application.name=sample-mcp-server-streamable-http
 server.port=${PORT:8090}
 server.servlet.session.cookie.name=MCP_SERVER_STREAMABLE_HTTP_SESSIONID
 spring.ai.mcp.server.name=mcp-server-weather-streamable
-spring.ai.mcp.server.protocol=STREAMABLE
+# using stateless because of https://github.com/modelcontextprotocol/inspector/issues/905
+spring.ai.mcp.server.protocol=STATELESS
 
 spring.security.oauth2.resourceserver.jwt.issuer-uri=${ISSUER_URI:http://localhost:9000}