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Fix httpstreamable errorcode

bugSomething isn't workingSomething isn't working

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

Status: Open (in progress).

modelcontextprotocol/python-sdknumber 1194

#1194 In modelcontextprotocol/python-sdk;

· CriticalGameEror opened on Jul 23, 2025

Tool.run should not reveal exception value to the client

bugSomething isn't workingSomething isn't working

P1Significant bug affecting many users, highly requested featureSignificant bug affecting many users, highly requested feature

ready for workEnough information for someone to start working onEnough information for someone to start working on

Status: Open.

#698 In modelcontextprotocol/python-sdk;

· bendavis78 opened on May 12, 2025

No way to set isError=True for arbitrary tool result content

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

good first issueGood for newcomersGood for newcomers

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

ready for workEnough information for someone to start working onEnough information for someone to start working on

Status: Open.

#348 In modelcontextprotocol/python-sdk;

· ezyang opened on Mar 23, 2025

Lazy HTTP connections seem to make error handling difficult.

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

P2Moderate issues affecting some users, edge cases, potentially valuable featureModerate issues affecting some users, edge cases, potentially valuable feature

ready for workEnough information for someone to start working onEnough information for someone to start working on

Status: Open.

#1393 In modelcontextprotocol/python-sdk;

· caffeinism opened on Sep 24, 2025