Search results

RequireBearerToken omits RFC 6750 error code, so the SDK's own step-up flow never triggers

Status: Open.

#1134 In modelcontextprotocol/go-sdk;

· PratikDhanave opened on Aug 2, 2026

Sampling Temperature: 0 is unrepresentable on the wire (omitempty drops it)

Status: Open.

#1133 In modelcontextprotocol/go-sdk;

· PratikDhanave opened on Aug 2, 2026

MemoryEventStore.After panics (slice out of range) on an index past the last stored event

Status: Open.

#1131 In modelcontextprotocol/go-sdk;

· PratikDhanave opened on Aug 2, 2026

ClientSession.Ping cannot succeed on a 2026-07-28 session (omits SEP-2575 _meta; stateless path fails session-not-found; failure poisons the connection)

Status: Open.

#1130 In modelcontextprotocol/go-sdk;

· robfischer1 opened on Aug 1, 2026

Client escalates handler-level HTTP errors to permanent connection failure

Status: Open.

#1117 In modelcontextprotocol/go-sdk;

· JAORMX opened on Jul 27, 2026

No public way for a client to request a specific protocol version

Status: Open.

#1113 In modelcontextprotocol/go-sdk;

· JAORMX opened on Jul 27, 2026

SSE transport advertises 2026-07-28 in server/discover, but that revision only defines stdio and Streamable HTTP

Status: Open.

#1112 In modelcontextprotocol/go-sdk;

· JAORMX opened on Jul 27, 2026

auth: DCR registration omits scopes, causing invalid_scope on strict auth servers

Status: Open.

Bug

#1102 In modelcontextprotocol/go-sdk;

· PatOConnor43 opened on Jul 17, 2026

internal/jsonrpc2: plumb cancellation cause through req.ctx (resolve TODO #51365)

Status: Open.

Enhancement

#1100 In modelcontextprotocol/go-sdk;

· aha-jansen opened on Jul 17, 2026

jsonrpc2: server-closing error formats writeErr with %v, so errors.Is(err, io.EOF) is false for consumers

Status: Open.

Enhancement

#1098 In modelcontextprotocol/go-sdk;

· nudzo opened on Jul 16, 2026

No way to restrict the protocol versions a server advertises and negotiates

Status: Open.

#1095 In modelcontextprotocol/go-sdk;

· pmdroid opened on Jul 15, 2026

No option to override forced Cacheable defaults (cacheScope public, ttlMs 0) on SDK-generated results

Status: Open.

#1094 In modelcontextprotocol/go-sdk;

· pmdroid opened on Jul 15, 2026