1 Release published by 1 person

• v0.11.0

  published Jul 31, 2025

10 Pull requests merged by 6 people

• fix: add backward compatibility for MCP servers returning older protocol versions

  #444 merged Aug 4, 2025

• Fix typo

  #307 merged Aug 1, 2025

• feat: add WebMVC and HttpServlet stateless server transports

  #432 merged Jul 30, 2025

• feat: implement MCP protocol version header support

  #404 merged Jul 30, 2025

• Expose the client initialization result

  #424 merged Jul 30, 2025

• feat: implement MCP-compliant keep-alive functionality for server transports

  #430 merged Jul 30, 2025

• HttpRequest.Builder customizer for Client transports

  #388 merged Jul 30, 2025

• HttpServlet Streamable HTTP server implementation

  #290 merged Jul 30, 2025

• feat: Add Spring WebMVC streamable server transport provider

  #425 merged Jul 30, 2025

• Streamable HTTP Server abstractions and WebFlux transport provider

  #420 merged Jul 30, 2025

3 Pull requests opened by 3 people

• "Client failed to initialize by explicit API call" bugfix

  #438 opened Aug 1, 2025

• Initial proposal to for feature request https://github.com/modelcontextprotocol/java-sdk/issues/415

  #439 opened Aug 1, 2025

• default protocol version for streamable should not be 2024-11-05 use 2025-03-26

  #441 opened Aug 2, 2025

6 Issues closed by 3 people

• Unsupported protocol version from the server: 2024-11-05

  #436 closed Aug 4, 2025

• HttpServletStreamableServerTransportProvider seems not to work on subpath contextPath

  #442 closed Aug 2, 2025

• Add protocol version to the release notes

  #250 closed Jul 30, 2025

• Support "Streamable HTTP" transport

  #72 closed Jul 30, 2025

• SSE Server drops client connection at 5 min.

  #414 closed Jul 30, 2025

• The cost of reading and writing data is a bit high for the ChatMemoryRepository API

  #427 closed Jul 29, 2025

7 Issues opened by 7 people

• Is it possible to support consuming an event stream that includes comments?

  #443 opened Aug 4, 2025

• Adding a prompt with a name that is taken causes a server crash

  #440 opened Aug 2, 2025

• Ability to override RequestHandlers to change Tools definitions

  #437 opened Jul 31, 2025

• Expose request context access in McpServerExchange implementations

  #435 opened Jul 31, 2025

• Looking forward to obtaining the request ID in the McpRequestHandler#handle method

  #434 opened Jul 31, 2025

• Streamablehttp throws exception 'Client failed to initialize by explicit API call'

  #433 opened Jul 31, 2025

• MCP Java SDK with minimal dependencies version

  #429 opened Jul 29, 2025

13 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• Add support context propagation

  #225 commented on Jul 29, 2025 • 0 new comments

• standardize tool metadata by adding annotation classes to sdk

  #224 commented on Jul 29, 2025 • 0 new comments

• Session ID agnostic MCP server example

  #428 commented on Jul 29, 2025 • 0 new comments

• Release 0.11.0

  #386 commented on Jul 30, 2025 • 0 new comments

• Proposal: Add client state persistence API to allow MCP clients to survive restarts

  #376 commented on Jul 30, 2025 • 0 new comments

• How can I handle headers?

  #59 commented on Jul 31, 2025 • 0 new comments

• Unix Domain Sockets for MCP transport providers

  #415 commented on Aug 1, 2025 • 0 new comments

• Major issue -dependency on reactor, slf4j and netty

  #38 commented on Aug 2, 2025 • 0 new comments

• TCP connections remain in CLOSE_WAIT state after client disconnection in SSE mode

  #378 commented on Aug 4, 2025 • 0 new comments

• feat: Add Pagination for server requests

  #140 commented on Jul 29, 2025 • 0 new comments

• Fix transport session id mismatch with sessionId

  #176 commented on Jul 30, 2025 • 0 new comments

• feat: Add client validation for structuredContent

  #302 commented on Jul 29, 2025 • 0 new comments

• fix(client): sendMessage() should fail immediately when connect() fails

  #323 commented on Aug 1, 2025 • 0 new comments