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Add ToolAnnotations support in FastMCP and lowlevel servers

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 482

#482 In modelcontextprotocol/python-sdk;

· by bhosmer-ant was closed on Apr 30, 2025

Properly clean up response streams in BaseSession

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 515

#515 In modelcontextprotocol/python-sdk;

· by bhosmer-ant was closed on May 1, 2025

Add mount_path support for proper SSE endpoint routing with multiple FastMCP servers

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 540

#540 In modelcontextprotocol/python-sdk;

· by tim-watcha was closed on May 7, 2025

StreamableHttp - Server transport with state management

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 553

#553 In modelcontextprotocol/python-sdk;

· by ihrpr was closed on May 2, 2025

StreamableHttp - stateless server support

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 554

#554 In modelcontextprotocol/python-sdk;

· by ihrpr was closed on May 2, 2025

Add support for serverside oauth

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 255

#255 In modelcontextprotocol/python-sdk;

· by praboud-ant was closed on May 1, 2025

add a timeout arguments on per-request basis (as per MCP specifications)

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 601

#601 In modelcontextprotocol/python-sdk;

· by grll was closed on Apr 29, 2025

StreamableHttp - client refactoring and resumability support

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 595

#595 In modelcontextprotocol/python-sdk;

· by ihrpr was closed on May 2, 2025

When no authorization is required dont fail on missing user scope 401 Unauthorized

Status: Closed (abandoned).

modelcontextprotocol/python-sdknumber 615

#615 In modelcontextprotocol/python-sdk;

· by yonigottesman was closed on May 6, 2025

StreamableHttp -- resumability support for servers

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 587

#587 In modelcontextprotocol/python-sdk;

· by ihrpr was closed on May 2, 2025

Streamable Http - clean up server memory streams

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 604

#604 In modelcontextprotocol/python-sdk;

· by ihrpr was closed on May 2, 2025

Fix handle sse disconnect event to free read_stream_writers[session_id]

Status: Closed (abandoned).

modelcontextprotocol/python-sdknumber 582

#582 In modelcontextprotocol/python-sdk;

· by lcamhoa was closed on Jun 6, 2025

StreamableHttp client transport

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 573

#573 In modelcontextprotocol/python-sdk;

· by ihrpr was closed on May 2, 2025

use metadata from SessionMessage to propagate related_request_id

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 591

#591 In modelcontextprotocol/python-sdk;

· by ihrpr was closed on May 2, 2025

Wrap JSONRPC messages with SessionMessage for metadata support

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 590

#590 In modelcontextprotocol/python-sdk;

· by ihrpr was closed on May 2, 2025

Fix the issue of get Authorization header fails during bearer auth

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 637

#637 In modelcontextprotocol/python-sdk;

· by yabea was closed on May 7, 2025

Dynamic Authorization in Streamable HTTP Client

Status: Closed (abandoned).

modelcontextprotocol/python-sdknumber 700

#700 In modelcontextprotocol/python-sdk;

· by aravind-segu was closed on May 19, 2025

StreamableHttp - GET request standalone SSE

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 561

#561 In modelcontextprotocol/python-sdk;

· by ihrpr was closed on May 2, 2025

Fix: memory leak and exit problems

Status: Closed (abandoned).

modelcontextprotocol/python-sdknumber 586

#586 In modelcontextprotocol/python-sdk;

· by PWZER was closed on Jul 8, 2025

Create ClientSessionGroup for managing multiple session connections.

Status: Merged (completed).

modelcontextprotocol/python-sdknumber 639

#639 In modelcontextprotocol/python-sdk;

· by mkeid was closed on May 13, 2025

401 from /sse after upgrading to 1.7.0

Status: Closed (completed).

#613 In modelcontextprotocol/python-sdk;

· by xwhysi was closed on May 2, 2025

When no authorization is required dont fail on missing user scope 401 Unauthorized #615

Status: Duplicate of an existing item.

#616 In modelcontextprotocol/python-sdk;

· by yonigottesman was closed on May 2, 2025

· Duplicate

Remote MCP Oauth Example

Status: Closed (completed).

#618 In modelcontextprotocol/python-sdk;

· by philschmid was closed on Oct 7, 2025

Streamable HTTP hangs forever when the server attempts any callback

Status: Closed (completed).

#680 In modelcontextprotocol/python-sdk;

· by jlowin was closed on May 12, 2025