René's URL Explorer Experiment


Title: fix(client): propagate SSE POST errors to caller instead of hanging (#2110) by fede-kamel · Pull Request #2483 · modelcontextprotocol/python-sdk · GitHub

Open Graph Title: fix(client): propagate SSE POST errors to caller instead of hanging (#2110) by fede-kamel · Pull Request #2483 · modelcontextprotocol/python-sdk

X Title: fix(client): propagate SSE POST errors to caller instead of hanging (#2110) by fede-kamel · Pull Request #2483 · modelcontextprotocol/python-sdk

Description: The official Python SDK for Model Context Protocol servers and clients - fix(client): propagate SSE POST errors to caller instead of hanging (#2110) by fede-kamel · Pull Request #2483 · modelcontextprotocol/python-sdk

Open Graph Description: Summary Fixes the remaining client-side hang from #2110, in sse_client. _send_message (the message-POST coroutine) called response.raise_for_status() with no handler. On a non-2xx (401/403/404/5xx)...

X Description: Summary Fixes the remaining client-side hang from #2110, in sse_client. _send_message (the message-POST coroutine) called response.raise_for_status() with no handler. On a non-2xx (401/403/404/5xx)...

Opengraph URL: https://github.com/modelcontextprotocol/python-sdk/pull/2483

X: @github

direct link

Domain: github.com

route-pattern/_view_fragments/voltron/pull_requests/show/:user_id/:repository/:id/pull_request_layout(.:format)
route-controllervoltron_pull_requests_fragments
route-actionpull_request_layout
fetch-noncev2:ceceaab0-27c9-1470-37ce-a1f7bb7414dc
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-id908A:35F5B8:44079B7:59CCC22:6A5D6F6D
html-safe-nonceee1827104914107072d0a84aa178117ca86c5eb90a43d1a837267b9925979ed9
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI5MDhBOjM1RjVCODo0NDA3OUI3OjU5Q0NDMjI6NkE1RDZGNkQiLCJ2aXNpdG9yX2lkIjoiNTAxNjMwOTIxNTUxNjI1ODE1NyIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmac6710dfba3fead8e230be2ae2e7f44451d877a7ef90f4ae444ead997ec5a8559b
hovercard-subject-tagpull_request:3556860197
github-keyboard-shortcutsrepository,pull-request-list,pull-request-conversation,pull-request-files-changed,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///voltron/pull_requests_fragments/pull_request_layout
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/_view_fragments/voltron/pull_requests/show/modelcontextprotocol/python-sdk/2483/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/da018bb789d8c30d5e962c6ba5390e942baac56ccdd9d7fa643a280294109c4e/modelcontextprotocol/python-sdk/pull/2483
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/da018bb789d8c30d5e962c6ba5390e942baac56ccdd9d7fa643a280294109c4e/modelcontextprotocol/python-sdk/pull/2483
og:image:altSummary Fixes the remaining client-side hang from #2110, in sse_client. _send_message (the message-POST coroutine) called response.raise_for_status() with no handler. On a non-2xx (401/403/404/5xx)...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamefede-kamel
hostnamegithub.com
expected-hostnamegithub.com
None5290d7e14309ad1e76106a9c4237bd1041517e83ea182c8ab756752cb0c6940b
turbo-cache-controlno-cache
go-importgithub.com/modelcontextprotocol/python-sdk git https://github.com/modelcontextprotocol/python-sdk.git
octolytics-dimension-user_id182288589
octolytics-dimension-user_loginmodelcontextprotocol
octolytics-dimension-repository_id862584018
octolytics-dimension-repository_nwomodelcontextprotocol/python-sdk
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id862584018
octolytics-dimension-repository_network_root_nwomodelcontextprotocol/python-sdk
turbo-body-classeslogged-out env-production page-responsive
disable-turbofalse
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release9c975978430e9ad293956f2bbdaf153b1bd84a99
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/modelcontextprotocol/python-sdk/pull/2483#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmodelcontextprotocol%2Fpython-sdk%2Fpull%2F2483
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub Copilot appDirect agents from issue to mergehttps://github.com/features/ai/github-app
MCP RegistryNewIntegrate external toolshttps://github.com/mcp
ActionsAutomate any workflowhttps://github.com/features/actions
CodespacesInstant dev environmentshttps://github.com/features/codespaces
IssuesPlan and track workhttps://github.com/features/issues
Code ReviewManage code changeshttps://github.com/features/code-review
GitHub Advanced SecurityFind and fix vulnerabilitieshttps://github.com/security/advanced-security
Code securitySecure your code as you buildhttps://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they starthttps://github.com/security/advanced-security/secret-protection
Why GitHubhttps://github.com/why-github
Documentationhttps://docs.github.com
Bloghttps://github.blog
Changeloghttps://github.blog/changelog
Marketplacehttps://github.com/marketplace
View all featureshttps://github.com/features
Enterpriseshttps://github.com/enterprise
Small and medium teamshttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
App Modernizationhttps://github.com/solutions/use-case/app-modernization
DevSecOpshttps://github.com/solutions/use-case/devsecops
DevOpshttps://github.com/solutions/use-case/devops
CI/CDhttps://github.com/solutions/use-case/ci-cd
View all use caseshttps://github.com/solutions/use-case
Healthcarehttps://github.com/solutions/industry/healthcare
Financial serviceshttps://github.com/solutions/industry/financial-services
Manufacturinghttps://github.com/solutions/industry/manufacturing
Governmenthttps://github.com/solutions/industry/government
View all industrieshttps://github.com/solutions/industry
View all solutionshttps://github.com/solutions
AIhttps://github.com/resources/articles?topic=ai
Software Developmenthttps://github.com/resources/articles?topic=software-development
DevOpshttps://github.com/resources/articles?topic=devops
Securityhttps://github.com/resources/articles?topic=security
View all topicshttps://github.com/resources/articles
Customer storieshttps://github.com/customer-stories
Events & webinarshttps://github.com/resources/events
Ebooks & reportshttps://github.com/resources/whitepapers
Business insightshttps://github.com/solutions/executive-insights
GitHub Skillshttps://skills.github.com
Documentationhttps://docs.github.com
Customer supporthttps://support.github.com
Community forumhttps://github.com/orgs/community/discussions
Trust centerhttps://github.com/trust-center
Partnershttps://github.com/partners
View all resourceshttps://github.com/resources
GitHub SponsorsFund open source developershttps://github.com/open-source/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/open-source/accelerator
GitHub Starshttps://stars.github.com
Archive Programhttps://archiveprogram.github.com
Topicshttps://github.com/topics
Trendinghttps://github.com/trending
Collectionshttps://github.com/collections
Enterprise platformAI-powered developer platformhttps://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security featureshttps://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI featureshttps://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 supporthttps://github.com/enterprise/premium-support
Pricinghttps://github.com/pricing
Search syntax tipshttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentationhttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmodelcontextprotocol%2Fpython-sdk%2Fpull%2F2483
Sign up https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fvoltron%2Fpull_requests_fragments%2Fpull_request_layout&source=header-repo&source_repo=modelcontextprotocol%2Fpython-sdk
Reloadhttps://github.com/modelcontextprotocol/python-sdk/pull/2483
Reloadhttps://github.com/modelcontextprotocol/python-sdk/pull/2483
Reloadhttps://github.com/modelcontextprotocol/python-sdk/pull/2483
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/2483
modelcontextprotocol https://github.com/modelcontextprotocol
python-sdkhttps://github.com/modelcontextprotocol/python-sdk
Notifications https://github.com/login?return_to=%2Fmodelcontextprotocol%2Fpython-sdk
Fork 3.7k https://github.com/login?return_to=%2Fmodelcontextprotocol%2Fpython-sdk
Star 23.7k https://github.com/login?return_to=%2Fmodelcontextprotocol%2Fpython-sdk
Code https://github.com/modelcontextprotocol/python-sdk
Issues 263 https://github.com/modelcontextprotocol/python-sdk/issues
Pull requests 309 https://github.com/modelcontextprotocol/python-sdk/pulls
Actions https://github.com/modelcontextprotocol/python-sdk/actions
Projects https://github.com/modelcontextprotocol/python-sdk/projects
Models https://github.com/modelcontextprotocol/python-sdk/models
Security and quality 6 https://github.com/modelcontextprotocol/python-sdk/security
Insights https://github.com/modelcontextprotocol/python-sdk/pulse
Code https://github.com/modelcontextprotocol/python-sdk
Issues https://github.com/modelcontextprotocol/python-sdk/issues
Pull requests https://github.com/modelcontextprotocol/python-sdk/pulls
Actions https://github.com/modelcontextprotocol/python-sdk/actions
Projects https://github.com/modelcontextprotocol/python-sdk/projects
Models https://github.com/modelcontextprotocol/python-sdk/models
Security and quality https://github.com/modelcontextprotocol/python-sdk/security
Insights https://github.com/modelcontextprotocol/python-sdk/pulse
fede-kamelhttps://github.com/fede-kamel
modelcontextprotocol:mainhttps://github.com/modelcontextprotocol/python-sdk/tree/main
fede-kamel:fix/2110-http-error-propagationhttps://github.com/fede-kamel/python-sdk/tree/fix/2110-http-error-propagation
Conversationhttps://github.com/modelcontextprotocol/python-sdk/pull/2483
Commits1 (1)https://github.com/modelcontextprotocol/python-sdk/pull/2483/commits
Checkshttps://github.com/modelcontextprotocol/python-sdk/pull/2483/checks
Files changedhttps://github.com/modelcontextprotocol/python-sdk/pull/2483/files
fix(client): propagate SSE POST errors to caller instead of hanging (#2110)https://github.com/modelcontextprotocol/python-sdk/pull/2483#top
fede-kamelhttps://github.com/fede-kamel
modelcontextprotocol:mainhttps://github.com/modelcontextprotocol/python-sdk/tree/main
fede-kamel:fix/2110-http-error-propagationhttps://github.com/fede-kamel/python-sdk/tree/fix/2110-http-error-propagation
https://github.com/fede-kamel
fede-kamelhttps://github.com/fede-kamel
Apr 20, 2026https://github.com/modelcontextprotocol/python-sdk/pull/2483#issue-4296832206
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/2483
#2110https://github.com/modelcontextprotocol/python-sdk/issues/2110
#2340https://github.com/modelcontextprotocol/python-sdk/pull/2340
#2110https://github.com/modelcontextprotocol/python-sdk/issues/2110
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/2483
https://github.com/viswaskk
viswaskkhttps://github.com/viswaskk
Apr 24, 2026 https://github.com/modelcontextprotocol/python-sdk/pull/2483#ref-issue-3964945600
HTTP transport swallows non-2xx status codes causing client to hang #2110 https://github.com/modelcontextprotocol/python-sdk/issues/2110
https://github.com/fede-kamel
fede-kamelhttps://github.com/fede-kamel
April 25, 2026 02:23https://github.com/modelcontextprotocol/python-sdk/pull/2483#event-24859010599
https://github.com/fede-kamel
fede-kamelhttps://github.com/fede-kamel
Apr 27, 2026https://github.com/modelcontextprotocol/python-sdk/pull/2483#issuecomment-4327499620
@Kludexhttps://github.com/Kludex
@felixweinbergerhttps://github.com/felixweinberger
#2110https://github.com/modelcontextprotocol/python-sdk/issues/2110
@chriscasolahttps://github.com/chriscasola
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/2483
https://github.com/fede-kamel
fede-kamelhttps://github.com/fede-kamel
force-pushedhttps://github.com/modelcontextprotocol/python-sdk/compare/5b352442dea4d7bd41a7f98649d1c95fb315b7bd..bb47a5d8fbdd7a0ac5b988d9df7b97ac1ba9895d
5b35244https://github.com/modelcontextprotocol/python-sdk/commit/5b352442dea4d7bd41a7f98649d1c95fb315b7bd
bb47a5dhttps://github.com/modelcontextprotocol/python-sdk/commit/bb47a5d8fbdd7a0ac5b988d9df7b97ac1ba9895d
Compare https://github.com/modelcontextprotocol/python-sdk/compare/5b352442dea4d7bd41a7f98649d1c95fb315b7bd..bb47a5d8fbdd7a0ac5b988d9df7b97ac1ba9895d
May 17, 2026 16:49https://github.com/modelcontextprotocol/python-sdk/pull/2483#event-25629455761
https://github.com/fede-kamel
fede-kamelhttps://github.com/fede-kamel
May 17, 2026https://github.com/modelcontextprotocol/python-sdk/pull/2483#issuecomment-4471507021
@maxisbeyhttps://github.com/maxisbey
#2110https://github.com/modelcontextprotocol/python-sdk/issues/2110
#2560https://github.com/modelcontextprotocol/python-sdk/pull/2560
#2110https://github.com/modelcontextprotocol/python-sdk/issues/2110
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/2483
fix(client): propagate HTTP transport exceptions to caller #2124 https://github.com/modelcontextprotocol/python-sdk/pull/2124
Fix SSE timeout hang by propagating transport exceptions to pending r… #2430 https://github.com/modelcontextprotocol/python-sdk/pull/2430
https://github.com/fede-kamel
fede-kamelhttps://github.com/fede-kamel
May 25, 2026https://github.com/modelcontextprotocol/python-sdk/pull/2483#issuecomment-4532009957
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/2483
@maxisbeyhttps://github.com/maxisbey
@Kludexhttps://github.com/Kludex
@felixweinbergerhttps://github.com/felixweinberger
#2110https://github.com/modelcontextprotocol/python-sdk/issues/2110
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/2483
https://github.com/fede-kamel
fede-kamelhttps://github.com/fede-kamel
force-pushedhttps://github.com/modelcontextprotocol/python-sdk/compare/b2ed978aaa0229ba663f32cea7eb984e7d5f8626..31c4268e98710b580e3326f111b45ad41b597fdb
b2ed978https://github.com/modelcontextprotocol/python-sdk/commit/b2ed978aaa0229ba663f32cea7eb984e7d5f8626
31c4268https://github.com/modelcontextprotocol/python-sdk/commit/31c4268e98710b580e3326f111b45ad41b597fdb
Compare https://github.com/modelcontextprotocol/python-sdk/compare/b2ed978aaa0229ba663f32cea7eb984e7d5f8626..31c4268e98710b580e3326f111b45ad41b597fdb
June 3, 2026 15:26https://github.com/modelcontextprotocol/python-sdk/pull/2483#event-26293525628
https://github.com/fede-kamel
fede-kamelhttps://github.com/fede-kamel
Jun 3, 2026https://github.com/modelcontextprotocol/python-sdk/pull/2483#event-26293654706
https://github.com/fede-kamel
fix(client): propagate SSE POST errors to caller instead of hanginghttps://github.com/modelcontextprotocol/python-sdk/pull/2483/commits/ef8edd695751fc2c7b5d2e06369f30c8de2bb860
ef8edd6https://github.com/modelcontextprotocol/python-sdk/pull/2483/commits/ef8edd695751fc2c7b5d2e06369f30c8de2bb860
modelcontextprotocol#2765https://github.com/modelcontextprotocol/python-sdk/pull/2765
modelcontextprotocol#2110https://github.com/modelcontextprotocol/python-sdk/issues/2110
https://github.com/fede-kamel
fede-kamelhttps://github.com/fede-kamel
force-pushedhttps://github.com/modelcontextprotocol/python-sdk/compare/31c4268e98710b580e3326f111b45ad41b597fdb..ef8edd695751fc2c7b5d2e06369f30c8de2bb860
31c4268https://github.com/modelcontextprotocol/python-sdk/commit/31c4268e98710b580e3326f111b45ad41b597fdb
ef8edd6https://github.com/modelcontextprotocol/python-sdk/commit/ef8edd695751fc2c7b5d2e06369f30c8de2bb860
Compare https://github.com/modelcontextprotocol/python-sdk/compare/31c4268e98710b580e3326f111b45ad41b597fdb..ef8edd695751fc2c7b5d2e06369f30c8de2bb860
June 3, 2026 15:38https://github.com/modelcontextprotocol/python-sdk/pull/2483#event-26294075369
https://github.com/Kludex
Kludexhttps://github.com/Kludex
Jun 25, 2026https://github.com/modelcontextprotocol/python-sdk/pull/2483#issuecomment-4798300596
#2122https://github.com/modelcontextprotocol/python-sdk/pull/2122
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/2483
https://github.com/Kludex
Kludexhttps://github.com/Kludex
Jun 25, 2026https://github.com/modelcontextprotocol/python-sdk/pull/2483#event-27191813583
https://github.com/modelcontextprotocol
modelcontextprotocolhttps://github.com/modelcontextprotocol
Jun 25, 2026https://github.com/modelcontextprotocol/python-sdk/pull/2483#event-27191814453
https://github.co/hiddenchars
https://github.com/modelcontextprotocol/python-sdk/pull/{{ revealButtonHref }}
Sign up for freehttps://github.com/join?source=comment-repo
Sign inhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmodelcontextprotocol%2Fpython-sdk%2Fpull%2F2483
HTTP transport swallows non-2xx status codes causing client to hang https://github.com/modelcontextprotocol/python-sdk/issues/2110
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/2483
https://github.com/fede-kamel
https://github.com/Kludex
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

Viewport: width=device-width


URLs of crawlers that visited me.