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Missing <code>@JsonIgnoreProperties(ignoreUnknown = true)</code> on capability sub-records

Status: Open.

#766 In modelcontextprotocol/java-sdk;

· maxisbey opened on Jan 29, 2026

MCP Client fails to initialize when receiving an empty SSE event (from the server-everything service)

Status: Open.

#765 In modelcontextprotocol/java-sdk;

· smogos opened on Jan 29, 2026

MCP server in WAR on application server

Status: Open.

#763 In modelcontextprotocol/java-sdk;

· uhrm opened on Jan 29, 2026

Tool input schema does not include $schema property

Status: Open.

#761 In modelcontextprotocol/java-sdk;

· vivekschauhan opened on Jan 28, 2026

StdioClientTransport: Inbound Scheduler and Error Scheduler threads are locked on Windows

Status: Open.

#759 In modelcontextprotocol/java-sdk;

· ilsid opened on Jan 26, 2026

Add JPMS compatibility to Jackson JSON mapper

Status: Open.

#753 In modelcontextprotocol/java-sdk;

· nknize opened on Jan 16, 2026

Does StdioServerTransportProvider support protocol version 2025年06月18日 ?

Status: Open.

#751 In modelcontextprotocol/java-sdk;

· TimoBuechert opened on Jan 14, 2026

HttpServletStreamableServerTransportProvider does not implement protocol version 2024年11月05日

Status: Open.

#750 In modelcontextprotocol/java-sdk;

· arcadmlafon opened on Jan 14, 2026

Support ToolsRepository for Dynamic Tool Management &amp; Cursor-based Pagination Status

Status: Open.

#746 In modelcontextprotocol/java-sdk;

· ultramancode opened on Jan 13, 2026

Handle schema validation failures gracefully

Status: Open.

#741 In modelcontextprotocol/java-sdk;

· kbhadury opened on Jan 10, 2026

How to filter list of tool based on JWT token?

Status: Open.

#740 In modelcontextprotocol/java-sdk;

· larinme opened on Jan 9, 2026

I would like to maintain MCP server state persisted (sessionId)

Status: Open.

#738 In modelcontextprotocol/java-sdk;

· poornimas-iyer opened on Dec 31, 2025