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<code>InitializeRequest</code> doesn't accept non-empty Elicitation, violating 2025-11-25 spec

Status: Open.

#724 In modelcontextprotocol/java-sdk;

· overheadhunter opened on Dec 13, 2025

How to add an interceptor for mcp tool?

Status: Open.

#720 In modelcontextprotocol/java-sdk;

· 24kpure opened on Dec 12, 2025

Support MCP version 2025-11-25

Status: Open.

#715 In modelcontextprotocol/java-sdk;

· monrax opened on Dec 10, 2025

The current implementation of HttpClientStreamableHttpTransport / HttpClientSseClientTransport do not handle 401 errors

Status: Open.

#713 In modelcontextprotocol/java-sdk;

· rcosnita-flowx opened on Dec 3, 2025

Add support to add reactive hook when initializing MCP server

Status: Open.

#712 In modelcontextprotocol/java-sdk;

· raducoravu opened on Dec 2, 2025

Can the tool capability of MCP support streaming responses? The encapsulated tool cannot return results in one go and requires batched returns, similar to the interface capability of SSE

Status: Open.

#711 In modelcontextprotocol/java-sdk;

· sunhongkai opened on Dec 2, 2025

Support spring boot 4.0

Status: Open.

#710 In modelcontextprotocol/java-sdk;

· joeyhacker opened on Dec 2, 2025

InheritableThreadLocal context loss when boundedElastic pool reuses threads created outside request context

Status: Open.

#704 In modelcontextprotocol/java-sdk;

· lobaorn-bitso opened on Nov 27, 2025

Allow custom or numeric request ID generation (Snowflake MCP server rejects string IDs)

Status: Open.

#703 In modelcontextprotocol/java-sdk;

· manasnilorout opened on Nov 27, 2025

Design question: Distributed session management for McpStreamableServerSession

Status: Open.

#702 In modelcontextprotocol/java-sdk;

· wankang189 opened on Nov 27, 2025

Utils.resolveUri incorrectly resolves nested paths breaking JDK HttpClient transports

Status: Open.

#701 In modelcontextprotocol/java-sdk;

· chemicL opened on Nov 26, 2025

SEP-1613: Establish JSON Schema 2020-12 as Default Dialect for MCP

Status: Open.

Enhancement

#700 In modelcontextprotocol/java-sdk;

· Kehrlann opened on Nov 26, 2025