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GitHub / modelcontextprotocol/python-sdk issues and pull requests

#2320 - Extract JSON-RPC wrapping into a Dispatcher component

Pull Request - State: open - Opened by maxisbey 3 days ago

#2319 - fix: handle unbound response_or_error in send_request timeout

Pull Request - State: closed - Opened by Bortlesboat 4 days ago - 1 comment

#2318 - fix: widen errlog type to accept subprocess.DEVNULL

Pull Request - State: closed - Opened by Bortlesboat 4 days ago

#2314 - deprecate: Mark SSE transport as deprecated

Pull Request - State: closed - Opened by goingforstudying-ctrl 4 days ago

#2309 - Hachis

Issue - State: open - Opened by iliassouare83-cmd 4 days ago

#2308 - Try hacking

Issue - State: open - Opened by iliassouare83-cmd 4 days ago

#2303 - [v1.x] fix: handle non-UTF-8 bytes in stdio server stdin

Pull Request - State: closed - Opened by maxisbey 6 days ago

#2302 - fix: handle non-UTF-8 bytes in stdio server stdin

Pull Request - State: closed - Opened by maxisbey 6 days ago

#2300 - feat(client): store InitializeResult as initialize_result

Pull Request - State: closed - Opened by maxisbey 6 days ago

#2296 - docs: add environment variables guide

Pull Request - State: open - Opened by ameenalkhaldi 8 days ago

#2290 - chore(deps): bump black from 25.1.0 to 26.3.1 in the uv group across 1 directory

Pull Request - State: open - Opened by dependabot[bot] 11 days ago
Labels: dependencies, python:uv

#2289 - feat: add subject and claims fields to AccessToken

Pull Request - State: open - Opened by yakub268 11 days ago

#2288 - Unicode characters cause JSONRPCMessage.model_validate_json validation error

Issue - State: closed - Opened by vladman-25 11 days ago - 2 comments
Labels: question, needs confirmation

#2287 - fix: enable DNS rebinding protection by default for security

Pull Request - State: closed - Opened by Jah-yee 11 days ago

#2286 - FIX: link in README.md

Pull Request - State: closed - Opened by madrugado 11 days ago - 1 comment

#2282 - Handle connection errors in StreamableHTTP post_writer

Pull Request - State: open - Opened by omar-y-abdi 12 days ago

#2280 - Fix: preserve existing refresh_token when server omits it in refresh response

Pull Request - State: closed - Opened by Jah-yee 12 days ago - 1 comment

#2273 - Handle connection errors in StreamableHTTPTransport

Pull Request - State: closed - Opened by slykar 12 days ago - 2 comments

#2266 - fix: close all memory stream ends in client transport cleanup

Pull Request - State: closed - Opened by maxisbey 13 days ago

#2259 - Gracefully terminate active sessions during StreamableHTTP shutdown

Pull Request - State: open - Opened by Bortlesboat 14 days ago - 1 comment

#2258 - fix: detect stdin EOF on parent death for stdio transport

Pull Request - State: closed - Opened by Bortlesboat 14 days ago - 3 comments

#2257 - fix: don't send log notification on transport error

Pull Request - State: closed - Opened by maxisbey 14 days ago

#2256 - fix: correct Context type parameters across examples and tests

Pull Request - State: closed - Opened by maxisbey 14 days ago

#2254 - test issue from NeoX

Issue - State: closed - Opened by xray918 14 days ago

#2253 - fix: terminate active StreamableHTTP sessions during shutdown

Pull Request - State: open - Opened by weiguangli-io 14 days ago - 1 comment

#2247 - docs: add DNS rebinding protection guide

Pull Request - State: closed - Opened by goingforstudying-ctrl 15 days ago

#2242 - fix: catch ClosedResourceError in _handle_message error recovery path

Pull Request - State: closed - Opened by herakles-dev 16 days ago - 2 comments

#2239 - Graceful SSE drain on session manager shutdown

Pull Request - State: closed - Opened by wiggzz 17 days ago - 1 comment

#2237 - docs: Add documentation for stdio server shutdown behavior

Pull Request - State: closed - Opened by goingforstudying-ctrl 17 days ago - 1 comment

#2234 - fix: Ensure stdio server exits when stdin reaches EOF (fixes #2231)

Pull Request - State: closed - Opened by goingforstudying-ctrl 17 days ago - 3 comments

#2231 - Stdio transport: MCP server process survives parent death (stdin EOF not causing shutdown)

Issue - State: closed - Opened by arcivanov 17 days ago - 6 comments
Labels: needs repro

#2216 - Bug: validate_scope rejects client scopes when required scopes in None

Issue - State: open - Opened by nik1097 18 days ago - 3 comments
Labels: bug, auth, ready for work, P2

#2211 - feat: store server_info on ClientSession during initialization

Pull Request - State: open - Opened by shivama205 19 days ago - 1 comment
Labels: enhancement, P3

#2209 - feat: add subject and claims fields to AccessToken

Pull Request - State: open - Opened by shivama205 19 days ago - 1 comment
Labels: needs confirmation, auth, enhancement

#2203 - refactor: remove request_ctx ContextVar, thread Context explicitly

Pull Request - State: closed - Opened by maxisbey 21 days ago - 1 comment

#2192 - docs: add CLI command flags reference to README

Pull Request - State: open - Opened by Br1an67 22 days ago - 1 comment
Labels: documentation

#2191 - fix: reject unsupported HTTP methods early in session manager

Pull Request - State: open - Opened by Br1an67 22 days ago - 2 comments
Labels: bug, P2

#2190 - fix: remove shell=True from subprocess calls in mcp dev

Pull Request - State: open - Opened by Br1an67 22 days ago - 1 comment
Labels: bug, P3

#2187 - fix: preserve notification metadata when related_request_id is 0

Pull Request - State: open - Opened by Br1an67 22 days ago - 1 comment
Labels: bug, P2

#2152 - fix: accept wildcard media types in Accept header per RFC 7231

Pull Request - State: closed - Opened by shivama205 25 days ago - 4 comments
Labels: bug, improves spec compliance, P2

#2150 - Active Streamable HTTP sessions are not terminated during shutdown

Issue - State: open - Opened by emmahoggan 25 days ago - 1 comment
Labels: bug, ready for work, P2

#2146 - feat: public API for runtime handler registration/deregistration

Pull Request - State: open - Opened by BabyChrist666 26 days ago
Labels: needs confirmation, v2, enhancement

#2145 - Fix stateless HTTP task accumulation causing memory leak

Pull Request - State: open - Opened by wiggzz 26 days ago
Labels: bug, P2

#2117 - Pluggable Transport Abstractions for Client and Shared sessions

Pull Request - State: open - Opened by sreenithi about 1 month ago - 4 comments
Labels: needs confirmation, breaking change, v2, enhancement

#2114 - ExceptionGroup wrapping obscures real errors from task groups

Issue - State: open - Opened by maxisbey about 1 month ago - 2 comments
Labels: bug, v2, P1

#2103 - docs: generate hierarchical per-module API reference pages

Pull Request - State: closed - Opened by jonathanhefner about 1 month ago
Labels: documentation

#2096 - Fix the session binding logic for tasks.

Pull Request - State: open - Opened by localden about 1 month ago
Labels: bug, breaking change, P1

#2078 - fix: restore eager OAuth discovery to avoid slow unauthenticated roundtrip

Pull Request - State: open - Opened by BabyChrist666 about 1 month ago
Labels: bug, auth, P2

#2075 - Reject JSON-RPC requests with null id instead of misclassifying as notifications

Pull Request - State: open - Opened by BabyChrist666 about 1 month ago
Labels: bug, improves spec compliance, P2

#2072 - fix: handle ClosedResourceError in _handle_message error recovery path

Pull Request - State: open - Opened by BabyChrist666 about 1 month ago - 1 comment
Labels: bug, P3

#2066 - Invalid JSON: EOF while parsing

Issue - State: closed - Opened by bha123 about 1 month ago - 1 comment
Labels: question, needs confirmation

#2064 - ClientDisconnect during _handle_post_request crashes stateless session with ClosedResourceError

Issue - State: closed - Opened by einarfd about 1 month ago - 2 comments
Labels: bug, ready for work, P3

#2057 - Requests with "id": null silently misclassified as notifications

Issue - State: open - Opened by clouatre about 1 month ago - 10 comments
Labels: bug, improves spec compliance, P2

#2043 - chore: weekly dependency update

Pull Request - State: open - Opened by github-actions[bot] about 1 month ago - 2 comments
Labels: dependencies

#2041 - feat: expose progress_callback in ServerSession methods

Pull Request - State: open - Opened by BryceEWatson about 1 month ago - 1 comment

#2040 - fix: prevent stdio_server from closing process stdio handles

Pull Request - State: open - Opened by adityuhkapoor about 1 month ago - 1 comment
Labels: bug, P3

#2039 - SEP-2207: Refresh token guidance

Pull Request - State: open - Opened by wdawson about 1 month ago - 1 comment

#2019 - fix: strip trailing slash from issuer URL in OAuth metadata serialization

Pull Request - State: open - Opened by BabyChrist666 about 1 month ago
Labels: bug, needs confirmation, auth

#1978 - feat: add theme field to Icon type for light/dark mode support

Pull Request - State: open - Opened by gfortaine about 2 months ago