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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

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 "Streamable HTTP" transport

Status: Closed (completed).

Feature

#72 In modelcontextprotocol/java-sdk;

· by taobaorun was closed on Jul 30, 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

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

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

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

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

Add option for immediate execution in McpSyncServer

Status: Merged (completed).

modelcontextprotocol/java-sdknumber 371

#371 In modelcontextprotocol/java-sdk;

· by Kehrlann was closed on Jul 8, 2025

refactor: deprecate tool spec's arguments-only handler in favor of CallToolRequest

Status: Closed (abandoned).

modelcontextprotocol/java-sdknumber 375

#375 In modelcontextprotocol/java-sdk;

· by tzolov was closed on Jul 11, 2025

Feature: Add completions context

Status: Closed (abandoned).

modelcontextprotocol/java-sdknumber 369

#369 In modelcontextprotocol/java-sdk;

· by bzsurbhi was closed on Jul 11, 2025

refactor: extract MCP client initialization logic into LifecycleInitializer

Status: Closed (abandoned).

modelcontextprotocol/java-sdknumber 370

#370 In modelcontextprotocol/java-sdk;

· by tzolov was closed on Jul 11, 2025

Fix non-OK HTTP POST responses handling

Status: Closed (abandoned).

modelcontextprotocol/java-sdknumber 374

#374 In modelcontextprotocol/java-sdk;

· by chemicL was closed on Jul 11, 2025

feat: add progress token support and extend Request interface

breaking-change

MCP Schema

Status: Closed (abandoned).

modelcontextprotocol/java-sdknumber 352

#352 In modelcontextprotocol/java-sdk;

· by tzolov was closed on Jul 1, 2025

fix: improve error handling in HttpClientSseClientTransport and add test

Status: Merged (completed).

modelcontextprotocol/java-sdknumber 391

#391 In modelcontextprotocol/java-sdk;

· by tzolov was closed on Jul 13, 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

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

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

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

docs: update loggingNotification javadoc to specify single client

documentationImprovements or additions to documentationImprovements or additions to documentation

Status: Merged (completed).

modelcontextprotocol/java-sdknumber 329

#329 In modelcontextprotocol/java-sdk;

· by LucaButBoring was closed on Jun 23, 2025

feat: add optional size property to Resource with builder

MCP Schema

Status: Closed (abandoned).

modelcontextprotocol/java-sdknumber 331

#331 In modelcontextprotocol/java-sdk;

· by LucaButBoring was closed on Jun 24, 2025