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raise without from discards exception chain in 12 remaining sites

Status: Open.

#2564 In modelcontextprotocol/python-sdk;

· blackwell-systems opened on May 8, 2026

[packit] Pull from upstream failed for release 1.27.1

Status: Open.

#2563 In modelcontextprotocol/python-sdk;

· packit-public-repos-bot opened on May 8, 2026

how to return images from an mcp server

questionFurther information is requestedFurther information is requested

Status: Open.

#2557 In modelcontextprotocol/python-sdk;

· JINO-ROHIT opened on May 8, 2026

Add list_all_* helpers to drain pagination

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

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

v2Ideas, requests and plans for v2 of the SDK which will incorporate major changes and fixesIdeas, requests and plans for v2 of the SDK which will incorporate major changes and fixes

Status: Open.

#2556 In modelcontextprotocol/python-sdk;

· CJGjr opened on May 8, 2026

BaseSession.send_request fails when forwarding a request received via ServerSession (envelope-fields collision)

Status: Open.

#2548 In modelcontextprotocol/python-sdk;

· Botschagow opened on May 6, 2026

Bug: task_result_handler.py serializes None optional fields as JSON null, breaking Node SDK Zod validation

Status: Open.

#2539 In modelcontextprotocol/python-sdk;

· rynowak opened on May 4, 2026

Python 3.14 not listed as a supported python version in README badge

Status: Open.

#2537 In modelcontextprotocol/python-sdk;

· joshdavham opened on May 3, 2026

InMemoryTaskStore.wait_for_update has lost-wakeup races (concurrent waiters, notify-before-wait)

Status: Open.

#2535 In modelcontextprotocol/python-sdk;

· blackwell-systems opened on May 2, 2026

FastMCP.__init__ clobbers root logger with INFO RichHandler — hangs stdio servers under back-pressure

Status: Open.

#2527 In modelcontextprotocol/python-sdk;

· mdbro opened on May 1, 2026

Trying to connect to a MCP url got the follwing error any idea why ?

questionFurther information is requestedFurther information is requested

Status: Open.

#2517 In modelcontextprotocol/python-sdk;

· user1500177 opened on Apr 28, 2026

ClientSession never sends notifications/cancelled when call_tool is cancelled — server-side coroutines leak

Status: Open.

#2507 In modelcontextprotocol/python-sdk;

· sherman94062 opened on Apr 26, 2026

Was it a bad idea to stream the text generation process using Context.report_progress()?

questionFurther information is requestedFurther information is requested

Status: Open.

#2501 In modelcontextprotocol/python-sdk;

· lottopotato opened on Apr 24, 2026