Issues · modelcontextprotocol/go-sdk · GitHub

Labels Milestones New issue

Implement SEP-2577: Deprecate Roots, Sampling, and Logging

#995

· localden opened

on Jun 6, 2026

·

Implement SEP-2549: TTL for List Results

#994

· localden opened

on Jun 6, 2026

·

Implement SEP-2322: Multi Round-Trip Requests

#993

· localden opened

on Jun 6, 2026

·

Implement SEP-2164: Standardize resource not found error code (-32602)

#992

· localden opened

on Jun 6, 2026

·

Implement SEP-2133: Extensions framework for MCP

#991

· localden opened

on Jun 6, 2026

·

Implement SEP-2106: Tools inputSchema & outputSchema Conform to JSON Schema 2020-12

#990

· localden opened

on Jun 6, 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

Allow registration of custom JSON-RPC methods

#954

· jeongukjae opened

on May 12, 2026

Implement SEP-2567 Sessionless MCP via Explicit State Handles

#951

· maciej-kisiel opened

on May 8, 2026

·

Set list of supported versions

needs confirmation

#945

· zmay2030 opened

on May 6, 2026