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feat: Support separate endpoint path router in WebFluxStreamableServerTransportProvider

Status: Open.

#621 In modelcontextprotocol/java-sdk;

· lihuagang03 opened on Oct 14, 2025

HttpClient resource leak causes thread accumulation and memory exhaustion

Status: Open.

#620 In modelcontextprotocol/java-sdk;

· TsengX opened on Oct 14, 2025

Java SDK annotations field mismatch with MCP Specification

Status: Open.

#618 In modelcontextprotocol/java-sdk;

· SurajPandurangaJannu opened on Oct 13, 2025

In the Streamable mode, why does the Accept header need to support both TEXT_EVENT_STREAM and APPLICATION_JSON simultaneously? Instead of specifying APPLICATION_JSON to receive a JSON response and TEXT_EVENT_STREAM to receive a streaming response.

Status: Open.

#616 In modelcontextprotocol/java-sdk;

· JHWang-1997 opened on Oct 11, 2025

Pagination is not working for the /tools/list API

Status: Open.

#615 In modelcontextprotocol/java-sdk;

· SurajPandurangaJannu opened on Oct 10, 2025

H

Status: Open.

#613 In modelcontextprotocol/java-sdk;

· hamizahyaakop-dev opened on Oct 9, 2025

Mcp-core has compile-time dependency on mcp-json

Status: Open.

#612 In modelcontextprotocol/java-sdk;

· scottslewis opened on Oct 9, 2025

Support non-JSON stdout for legacy MCP servers in Java SDK

Status: Open.

#611 In modelcontextprotocol/java-sdk;

· ZYT20001 opened on Oct 9, 2025

Support filtering tools depends on request data (http-headers, etc)

Status: Open.

#608 In modelcontextprotocol/java-sdk;

· linarkou opened on Oct 8, 2025

Tests run: 853, Failures: 5, Errors: 9, Skipped: 8

Status: Open.

#606 In modelcontextprotocol/java-sdk;

· vorburger opened on Oct 7, 2025

NullPointerException in McpClientSession

Status: Open.

#605 In modelcontextprotocol/java-sdk;

· vorburger opened on Oct 7, 2025

### Pre-submission Checklist

Status: Open.

#602 In modelcontextprotocol/java-sdk;

· hamizahyaakop-dev opened on Oct 6, 2025