Search results

streamableClientConn.Close leaks HTTP response body from DELETE request

Status: Open.

#928 In modelcontextprotocol/go-sdk;

· blackwell-systems opened on May 2, 2026

Streamable HTTP: pause/resume timer behavior on non-standalone SSE connection resume

Status: Open.

#925 In modelcontextprotocol/go-sdk;

· wucm667 opened on May 1, 2026

LoggingHandler: surface errors and use golang.org/x/time/rate for rate limiting

Status: Open.

#924 In modelcontextprotocol/go-sdk;

· wucm667 opened on May 1, 2026

mcp.AddTool crashes the server with SIGSEGV when input/output struct tags trigger a nil schema from jsonschema-go — missing nil-guard in setSchema

Status: Open.

#916 In modelcontextprotocol/go-sdk;

· fstienhans-lg opened on Apr 30, 2026

Implement SEP-2260 Require Server requests to be associated with a Client request

Status: Open.

Task

#914 In modelcontextprotocol/go-sdk;

· guglielmo-san opened on Apr 29, 2026

·  

2026-06-30

Remove support for batching on streamable connection

Status: Open.

Task

#911 In modelcontextprotocol/go-sdk;

· guglielmo-san opened on Apr 27, 2026

Implement SEP-2243 HTTP Standardization

Status: Open.

Task

#905 In modelcontextprotocol/go-sdk;

· guglielmo-san opened on Apr 23, 2026

·  

2026-06-30

Proposal: Client API support for saving and restoring OAuth2 sessions

needs investigationStatus unclear, requires more work and discussionStatus unclear, requires more work and discussion

Status: Open.

Enhancement

#901 In modelcontextprotocol/go-sdk;

· smlx opened on Apr 21, 2026

Allow configuring additionalProperties on generated tool schemas

blockedBlocked on external dependencyBlocked on external dependency

Status: Open.

Enhancement

#892 In modelcontextprotocol/go-sdk;

· bokelley opened on Apr 10, 2026

Support hooking token refresh

needs community feedbackMore input from users needed to inform a decisionMore input from users needed to inform a decision

needs confirmationUnclear if still relevantUnclear if still relevant

Status: Open.

Enhancement

#881 In modelcontextprotocol/go-sdk;

· smlx opened on Apr 6, 2026

Potential race condition in (*mcp.ClientSession).Close()

needs investigationStatus unclear, requires more work and discussionStatus unclear, requires more work and discussion

P2Moderate issues, valuable feature requestsModerate issues, valuable feature requests

Status: Open.

Bug

#855 In modelcontextprotocol/go-sdk;

· madelinekalil opened on Mar 24, 2026

Support Schema Cycles

blockedBlocked on external dependencyBlocked on external dependency

Status: Open.

Enhancement

#749 In modelcontextprotocol/go-sdk;

· RPGillespie6 opened on Jan 12, 2026