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Support "Streamable HTTP" transport

Status: Closed (completed).

Feature

#72 In modelcontextprotocol/java-sdk;

· by taobaorun was closed on Jul 30, 2025

Add protocol version to the release notes

enhancementNew feature or requestNew feature or request

Status: Closed (completed).

#250 In modelcontextprotocol/java-sdk;

· by fabb was closed on Jul 30, 2025

Add support for ignorable JSON-RPC methods in MCP clients and servers

enhancementNew feature or requestNew feature or request

Status: Closed (completed).

Feature

#416 In modelcontextprotocol/java-sdk;

· by tzolov was closed on Jul 22, 2025

Support progress flow

enhancementNew feature or requestNew feature or request

Status: Closed (completed).

Task

#298 In modelcontextprotocol/java-sdk;

· by 134130 was closed on Jul 17, 2025

SSE Server drops client connection at 5 min.

Status: Closed (completed).

#414 In modelcontextprotocol/java-sdk;

· by albayrakonur was closed on Jul 30, 2025

refactor: reformat McpSchema.java and reorganize imports

Status: Closed (abandoned).

modelcontextprotocol/java-sdknumber 392

#392 In modelcontextprotocol/java-sdk;

· by tzolov was closed on Jul 15, 2025

cleanup: Cleaned up some unused imports.

Status: Closed (abandoned).

modelcontextprotocol/java-sdknumber 358

#358 In modelcontextprotocol/java-sdk;

· by sunyuhan1998 was closed on Jul 14, 2025

feat: refactor the tool specifications

Status: Closed (abandoned).

modelcontextprotocol/java-sdknumber 351

#351 In modelcontextprotocol/java-sdk;

· by tzolov was closed on Jul 5, 2025

feat: add structured output support for MCP tools

Status: Closed (abandoned).

modelcontextprotocol/java-sdknumber 357

#357 In modelcontextprotocol/java-sdk;

· by tzolov was closed on Jul 13, 2025

feat: Support Progress Flow

Status: Closed (abandoned).

modelcontextprotocol/java-sdknumber 407

#407 In modelcontextprotocol/java-sdk;

· by 134130 was closed on Jul 17, 2025

feat: Add <code>_meta</code> field to classes across MCPSchema

Status: Closed (abandoned).

modelcontextprotocol/java-sdknumber 368

#368 In modelcontextprotocol/java-sdk;

· by pantanurag555 was closed on Jul 17, 2025

Support Progress Flow for McpServer

client

enhancementNew feature or requestNew feature or request

MCP Schema

server

Status: Closed (abandoned).

modelcontextprotocol/java-sdknumber 300

#300 In modelcontextprotocol/java-sdk;

· by 134130 was closed on Jul 17, 2025

Fix stdio tests - proper server-everything argument

Status: Merged (completed).

modelcontextprotocol/java-sdknumber 237

#237 In modelcontextprotocol/java-sdk;

· by chemicL was closed on May 14, 2025

Fix flaky WebFluxSse integration test

Status: Merged (completed).

modelcontextprotocol/java-sdknumber 238

#238 In modelcontextprotocol/java-sdk;

· by chemicL was closed on May 15, 2025

WebClient Streamable HTTP support

enhancementNew feature or requestNew feature or request

Status: Merged (completed).

modelcontextprotocol/java-sdknumber 292

#292 In modelcontextprotocol/java-sdk;

· by chemicL was closed on Jun 10, 2025

feat: implement support for elicitation

client

enhancementNew feature or requestNew feature or request

Status: Closed (abandoned).

modelcontextprotocol/java-sdknumber 271

#271 In modelcontextprotocol/java-sdk;

· by LucaButBoring was closed on Jun 10, 2025

chore: implement integration test for sampling

testing

Status: Closed (abandoned).

modelcontextprotocol/java-sdknumber 255

#255 In modelcontextprotocol/java-sdk;

· by LucaButBoring was closed on Jun 16, 2025

feat: implement audio content

MCP Schema

Status: Closed (abandoned).

modelcontextprotocol/java-sdknumber 243

#243 In modelcontextprotocol/java-sdk;

· by LucaButBoring was closed on Jun 15, 2025

test: enhance resource reading tests

testing

Status: Closed (abandoned).

modelcontextprotocol/java-sdknumber 314

#314 In modelcontextprotocol/java-sdk;

· by tzolov was closed on Jun 18, 2025

Fix Streamable HTTP WebClient GET SSE handling

bugSomething isn't workingSomething isn't working

Status: Merged (completed).

modelcontextprotocol/java-sdknumber 318

#318 In modelcontextprotocol/java-sdk;

· by chemicL was closed on Jun 16, 2025

fix: model content annotations as nested objects

MCP Schema

waiting for userWaiting for user feedback or more detailsWaiting for user feedback or more details

Status: Closed (abandoned).

modelcontextprotocol/java-sdknumber 242

#242 In modelcontextprotocol/java-sdk;

· by LucaButBoring was closed on Jun 17, 2025

HttpServlet Streamable HTTP server implementation

Status: Merged (completed).

modelcontextprotocol/java-sdknumber 290

#290 In modelcontextprotocol/java-sdk;

· by ZachGerman was closed on Jul 30, 2025

Sends a heartbeat (ping) to all connected clients to keep connection…

Status: Closed (abandoned).

modelcontextprotocol/java-sdknumber 353

#353 In modelcontextprotocol/java-sdk;

· by FrolikovEA was closed on Jul 30, 2025

Expose the client initialization result

Status: Merged (completed).

modelcontextprotocol/java-sdknumber 424

#424 In modelcontextprotocol/java-sdk;

· by ilayaperumalg was closed on Jul 30, 2025

feat: implement MCP protocol version header support

Status: Merged (completed).

modelcontextprotocol/java-sdknumber 404

#404 In modelcontextprotocol/java-sdk;

· by tzolov was closed on Jul 30, 2025