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- Status: Open.#3309 In modelcontextprotocol/python-sdk;
Streamable HTTP clean EOF reconnects can exceed the request retry budget
bugSomething isn't workingSomething isn't workingneeds confirmationNeeds confirmation that the PR is actually required or needed.Needs confirmation that the PR is actually required or needed.P2Moderate issues affecting some users, edge cases, potentially valuable featureModerate issues affecting some users, edge cases, potentially valuable featureStatus: Open.#3307 In modelcontextprotocol/python-sdk;A tool returning an empty list produces a CallToolResult with zero content blocks
enhancementRequest for a new feature that's not currently supportedRequest for a new feature that's not currently supportedneeds decisionIssue is actionable, needs maintainer decision on whether to implementIssue is actionable, needs maintainer decision on whether to implementP2Moderate issues affecting some users, edge cases, potentially valuable featureModerate issues affecting some users, edge cases, potentially valuable featureStatus: Open.#3305 In modelcontextprotocol/python-sdk;check_resource_allowed(): path matching skips dot-segment/percent-encoding normalization (auth-boundary bypass)
authIssues and PRs related to Authentication / OAuthIssues and PRs related to Authentication / OAuthbugSomething isn't workingSomething isn't workingneeds confirmationNeeds confirmation that the PR is actually required or needed.Needs confirmation that the PR is actually required or needed.P2Moderate issues affecting some users, edge cases, potentially valuable featureModerate issues affecting some users, edge cases, potentially valuable featureStatus: Open.#3303 In modelcontextprotocol/python-sdk;Cleanly terminated streamable-HTTP sessions are never deregistered: the DELETE path skips its own cleanup
bugSomething isn't workingSomething isn't workingneeds confirmationNeeds confirmation that the PR is actually required or needed.Needs confirmation that the PR is actually required or needed.P3Nice to haves, rare edge casesNice to haves, rare edge casesStatus: Open.#3300 In modelcontextprotocol/python-sdk;find_context_parameter treats a Context return annotation as a parameter
P3Nice to haves, rare edge casesNice to haves, rare edge casesStatus: Open.#3298 In modelcontextprotocol/python-sdk;resource_url_from_server_url preserves explicit default ports
P3Nice to haves, rare edge casesNice to haves, rare edge casesStatus: Open.#3297 In modelcontextprotocol/python-sdk;docs: clarify when Client(raise_exceptions=True) actually raises
P3Nice to haves, rare edge casesNice to haves, rare edge casesStatus: Open.#3287 In modelcontextprotocol/python-sdk;Authentication in High Level MCPServer
P3Nice to haves, rare edge casesNice to haves, rare edge casesquestionFurther information is requestedFurther information is requestedStatus: Open.#3283 In modelcontextprotocol/python-sdk;streamable_http (legacy mode): early response.aclose() discards a TCP connection per JSON-RPC exchange — deterministic reproduction for #2707
bugSomething isn't workingSomething isn't workingP2Moderate issues affecting some users, edge cases, potentially valuable featureModerate issues affecting some users, edge cases, potentially valuable featurev2Ideas, 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 fixesStatus: Open.#3281 In modelcontextprotocol/python-sdk;[v2] ping returns 'Method not found' on 2026-07-28 connections: ping missing from CLIENT_REQUESTS for 2026-07-28 in mcp-types
P2Moderate issues affecting some users, edge cases, potentially valuable featureModerate issues affecting some users, edge cases, potentially valuable featureStatus: Open.#3273 In modelcontextprotocol/python-sdk;New example: examples/servers/admission-gate — a real approve/deny ServerMiddleware demo
documentationImprovements or additions to documentationImprovements or additions to documentationP3Nice to haves, rare edge casesNice to haves, rare edge casesv2Ideas, 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 fixesStatus: Open.#3272 In modelcontextprotocol/python-sdk;