Issues · modelcontextprotocol/go-sdk · GitHub

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Server panics on `id: null` request with per-request protocol `_meta`

#1043

· cclabadmin opened

on Jul 1, 2026

`subscriptions/listen` accepts a request missing the required `notifications` field

#1037

· cclabadmin opened

on Jun 30, 2026

MRTR inputResponses entry shape: {method, result} wrapper vs bare payload

#1036

· panyam opened

on Jun 29, 2026

`initialize` negotiates `2026-07-28` through the legacy handshake

#1033

· cclabadmin opened

on Jun 29, 2026

2026-07-28 responses omit required `resultType` for most result types

#1032

· cclabadmin opened

on Jun 29, 2026

(possible) 2026-07-28 spec violation: mcp-session-id used in client requests with 2026-07-28

#1028

· howardjohn opened

on Jun 26, 2026

Include a a jsonschema.Loader in ServerOptions

#1026

· SelfDrivingCarp opened

on Jun 25, 2026

(possible) 2026-07-28 spec violation: server/discover response without 2026-07-28 support

#1025

· howardjohn opened

on Jun 25, 2026

Proposal: dynamic/lazy resources/list (and directory-read) backing for gateway/proxy and template-served catalogs

#998

· sambhav opened

on Jun 9, 2026

Expose max JSON-RPC frame/message size for stdio transports

#984

· gearbox-jeff opened

on May 31, 2026

Stdio server leaves some malformed JSON-RPC requests unanswered while the session remains alive

#976

· cclabadmin opened

on May 26, 2026

Streamable HTTP server accepts mismatched `MCP-Protocol-Version` header and body `protocolVersion` on `initialize`

#963

· cclabadmin opened

on May 16, 2026