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Fix connection closure handling in Protocol and InMemoryTransport

Status: Closed (abandoned).

modelcontextprotocol/typescript-sdknumber 833

#833 In modelcontextprotocol/typescript-sdk;

· by alasano was closed on Mar 23, 2026

Pr/protocol overwriting transport hooks

Status: Merged (completed).

modelcontextprotocol/typescript-sdknumber 477

#477 In modelcontextprotocol/typescript-sdk;

· by nichtsam was closed on Jun 26, 2025

fix(client): Some mcp server need default env(#393, #196)

Status: Merged (completed).

modelcontextprotocol/typescript-sdknumber 394

#394 In modelcontextprotocol/typescript-sdk;

· by sunrabbit123 was closed on Jul 7, 2025

Add state param to OAuth provider

Status: Merged (completed).

modelcontextprotocol/typescript-sdknumber 529

#529 In modelcontextprotocol/typescript-sdk;

· by jescalan was closed on May 22, 2025

Add request init headers defined on the sse transport on the start phase

Status: Merged (completed).

modelcontextprotocol/typescript-sdknumber 538

#538 In modelcontextprotocol/typescript-sdk;

· by danielgek was closed on May 27, 2025

Allow custom fetch in SSEClientTransport and StreamableHTTPClientTransport

Status: Merged (completed).

modelcontextprotocol/typescript-sdknumber 721

#721 In modelcontextprotocol/typescript-sdk;

· by cliffhall was closed on Jul 3, 2025

fix(731): StreamableHTTPClientTransport Fails to Reconnect on Non-Resumable Streams

Status: Merged (completed).

modelcontextprotocol/typescript-sdknumber 732

#732 In modelcontextprotocol/typescript-sdk;

· by jneums was closed on Jul 15, 2025

fix: ProxyOAuthServerProvider: redirect_uri missing in token request

Status: Merged (completed).

modelcontextprotocol/typescript-sdknumber 519

#519 In modelcontextprotocol/typescript-sdk;

· by shubham-lohar was closed on May 21, 2025

Save existing refresh_token in store if no new refresh_token is returned

Status: Merged (completed).

modelcontextprotocol/typescript-sdknumber 483

#483 In modelcontextprotocol/typescript-sdk;

· by fredericbarthelet was closed on May 21, 2025

feat: pluggable JSON schema validator providers

enhancementRequest for a new feature that's not currently supportedRequest for a new feature that's not currently supported

needs maintainerPotentially serious issue - needs proactive fix and maintainer attentionPotentially serious issue - needs proactive fix and maintainer attention

Status: Merged (completed).

modelcontextprotocol/typescript-sdknumber 1012

#1012 In modelcontextprotocol/typescript-sdk;

· by mattzcarey was closed on Oct 25, 2025

feat(auth): support resource indicators in auth flow

Status: Closed (abandoned).

modelcontextprotocol/typescript-sdknumber 498

#498 In modelcontextprotocol/typescript-sdk;

· by xiaoyijun was closed on Jun 24, 2025

Incoming request headers in passed to callbacks via RequestHandlerExtra<ServerRequest, ServerNotification>

Status: Closed (abandoned).

modelcontextprotocol/typescript-sdknumber 557

#557 In modelcontextprotocol/typescript-sdk;

· by KKonstantinov was closed on Jun 24, 2025

Raw request propagation in tools - passed to callbacks via RequestHandlerExtra<ServerRequest, ServerNotification>

Status: Merged (completed).

modelcontextprotocol/typescript-sdknumber 627

#627 In modelcontextprotocol/typescript-sdk;

· by KKonstantinov was closed on Jun 25, 2025

feat: zod v4

needs maintainerPotentially serious issue - needs proactive fix and maintainer attentionPotentially serious issue - needs proactive fix and maintainer attention

P0Broken core functionality, security issues, critical missing featureBroken core functionality, security issues, critical missing feature

Status: Closed (abandoned).

modelcontextprotocol/typescript-sdknumber 869

#869 In modelcontextprotocol/typescript-sdk;

· by dclark27 was closed on Nov 19, 2025