Search results

The onConnect and setNotificationHandler callback should provide the ServerSession

enhancementNew feature or requestNew feature or request

Status: Open.

#780 In modelcontextprotocol/kotlin-sdk;

· ghostflyby opened on May 24, 2026

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

bugSomething isn't workingSomething isn't working

Status: Open.

#766 In modelcontextprotocol/kotlin-sdk;

· cclabadmin opened on May 16, 2026

SEP-1577 sampling follow-up: invariants, validator messages, conformance

enhancementNew feature or requestNew feature or request

good first issueGood for newcomersGood for newcomers

P3Nice to haves, rare edge casesNice to haves, rare edge cases

ready for workHas enough information to startHas enough information to start

Status: Open.

Task

#730 In modelcontextprotocol/kotlin-sdk;

· devcrocod opened on Apr 28, 2026

GET SSE stream reconnect fails due to stale STANDALONE_SSE_STREAM_ID mapping

bugSomething isn't workingSomething isn't working

P1Significant bug affecting many usersSignificant bug affecting many users

Status: Open.

Bug

#715 In modelcontextprotocol/kotlin-sdk;

· amr opened on Apr 24, 2026

StdioServerTransport: onClose callback not called when stdin receives EOF

bugSomething isn't workingSomething isn't working

kotlinKotlin-related changesKotlin-related changes

needs reproInsufficient information to reproduceInsufficient information to reproduce

P2Moderate issues, valuable feature requestsModerate issues, valuable feature requests

Status: Open.

Bug

#708 In modelcontextprotocol/kotlin-sdk;

· aequicor opened on Apr 19, 2026

Add TaskStore and InMemoryTaskStore for task state management

apiPublic API changesPublic API changes

enhancementNew feature or requestNew feature or request

P2Moderate issues, valuable feature requestsModerate issues, valuable feature requests

ready for workHas enough information to startHas enough information to start

Status: Open.

Enhancement

#694 In modelcontextprotocol/kotlin-sdk;

· devcrocod opened on Apr 13, 2026

Add client-side methods for task operations

apiPublic API changesPublic API changes

enhancementNew feature or requestNew feature or request

P2Moderate issues, valuable feature requestsModerate issues, valuable feature requests

ready for workHas enough information to startHas enough information to start

Status: Open.

Enhancement

#693 In modelcontextprotocol/kotlin-sdk;

· devcrocod opened on Apr 13, 2026

Add server-side handlers for task operations

apiPublic API changesPublic API changes

enhancementNew feature or requestNew feature or request

P2Moderate issues, valuable feature requestsModerate issues, valuable feature requests

ready for workHas enough information to startHas enough information to start

Status: Open.

Enhancement

#692 In modelcontextprotocol/kotlin-sdk;

· devcrocod opened on Apr 13, 2026

refactor: Decouple MCP JSON serialization from global ContentNegotiation configuration

apiPublic API changesPublic API changes

enhancementNew feature or requestNew feature or request

P3Nice to haves, rare edge casesNice to haves, rare edge cases

ready for workHas enough information to startHas enough information to start

refactoringCode improvements and refactoringCode improvements and refactoring

Status: Open.

Enhancement

#668 In modelcontextprotocol/kotlin-sdk;

· kpavlov opened on Apr 2, 2026

kotlin-sdk-server 0.10.0 crashes with NoSuchMethodError when used with Ktor 3.4.x

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#666 In modelcontextprotocol/kotlin-sdk;

· MaXal opened on Apr 1, 2026

type-unsafe cast in Protocol result deserialization

bugSomething isn't workingSomething isn't working

P2Moderate issues, valuable feature requestsModerate issues, valuable feature requests

ready for workHas enough information to startHas enough information to start

refactoringCode improvements and refactoringCode improvements and refactoring

Status: Open.

Bug

#601 In modelcontextprotocol/kotlin-sdk;

· devcrocod opened on Mar 12, 2026

roots StateFlow on session

apiPublic API changesPublic API changes

enhancementNew feature or requestNew feature or request

P3Nice to haves, rare edge casesNice to haves, rare edge cases

ready for workHas enough information to startHas enough information to start

Status: Open.

Enhancement

#586 In modelcontextprotocol/kotlin-sdk;

· rnett opened on Mar 7, 2026