René's URL Explorer Experiment


Title: fix: consume response body on unexpected content type to prevent client hang by vishal-vanam · Pull Request #2438 · modelcontextprotocol/python-sdk · GitHub

Open Graph Title: fix: consume response body on unexpected content type to prevent client hang by vishal-vanam · Pull Request #2438 · modelcontextprotocol/python-sdk

X Title: fix: consume response body on unexpected content type to prevent client hang by vishal-vanam · Pull Request #2438 · modelcontextprotocol/python-sdk

Description: The official Python SDK for Model Context Protocol servers and clients - fix: consume response body on unexpected content type to prevent client hang by vishal-vanam · Pull Request #2438 · modelcontextprotocol/python-sdk

Open Graph Description: Summary Fixes #2432 When an MCP server returns an unexpected Content-Type (e.g. text/plain instead of application/json or text/event-stream), session.initialize() hangs indefinitely because the res...

X Description: Summary Fixes #2432 When an MCP server returns an unexpected Content-Type (e.g. text/plain instead of application/json or text/event-stream), session.initialize() hangs indefinitely because the res...

Opengraph URL: https://github.com/modelcontextprotocol/python-sdk/pull/2438

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-noncev2:6355f35a-958e-12a8-ae90-d441a0624d4d
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idE60C:222302:832B2E:87107B:6A6382A1
html-safe-nonce1c4d0200f810432c399d7f65897011c32dc581ee8b5f05b694cea0c859bf3370
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJFNjBDOjIyMjMwMjo4MzJCMkU6ODcxMDdCOjZBNjM4MkExIiwidmlzaXRvcl9pZCI6IjQ2NDk5NzQ4Nzk0NDYzMDk0NSIsInJlZ2lvbl9lZGdlIjoic2VhIiwicmVnaW9uX3JlbmRlciI6InNlYSJ9
visitor-hmace8a591ff69e14f6a0c7f940a43dd289202cb5a3c5efb4f8267988bb8f6d41d12
hovercard-subject-tagpull_request:3525770886
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/2438/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/5d99dbf24448de25b81836969ef4f42dc3d3facd760fd85783753cfc79c139fd/modelcontextprotocol/python-sdk/pull/2438
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/5d99dbf24448de25b81836969ef4f42dc3d3facd760fd85783753cfc79c139fd/modelcontextprotocol/python-sdk/pull/2438
og:image:altSummary Fixes #2432 When an MCP server returns an unexpected Content-Type (e.g. text/plain instead of application/json or text/event-stream), session.initialize() hangs indefinitely because the res...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamevishal-vanam
hostnamegithub.com
expected-hostnamegithub.com
Nonee4fb64aef87da454ec25b158147f7f5f14aef29216e5ca1612c2e48faa599d1f
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
releasee839936ba5faffb9c836dda1cf4729d50c88a32e
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/modelcontextprotocol/python-sdk/pull/2438#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmodelcontextprotocol%2Fpython-sdk%2Fpull%2F2438
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
Code QualityEnforce quality at mergehttps://github.com/features/code-quality
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%2F2438
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/2438
Reloadhttps://github.com/modelcontextprotocol/python-sdk/pull/2438
Reloadhttps://github.com/modelcontextprotocol/python-sdk/pull/2438
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/2438
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 270 https://github.com/modelcontextprotocol/python-sdk/issues
Pull requests 318 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
vishal-vanamhttps://github.com/vishal-vanam
modelcontextprotocol:mainhttps://github.com/modelcontextprotocol/python-sdk/tree/main
vishal-vanam:fix/handle-unexpected-content-type-hanghttps://github.com/vishal-vanam/python-sdk/tree/fix/handle-unexpected-content-type-hang
Conversationhttps://github.com/modelcontextprotocol/python-sdk/pull/2438
Commits3 (3)https://github.com/modelcontextprotocol/python-sdk/pull/2438/commits
Checkshttps://github.com/modelcontextprotocol/python-sdk/pull/2438/checks
Files changedhttps://github.com/modelcontextprotocol/python-sdk/pull/2438/files
fix: consume response body on unexpected content type to prevent client hanghttps://github.com/modelcontextprotocol/python-sdk/pull/2438#top
vishal-vanamhttps://github.com/vishal-vanam
modelcontextprotocol:mainhttps://github.com/modelcontextprotocol/python-sdk/tree/main
vishal-vanam:fix/handle-unexpected-content-type-hanghttps://github.com/vishal-vanam/python-sdk/tree/fix/handle-unexpected-content-type-hang
https://github.com/vishal-vanam
vishal-vanamhttps://github.com/vishal-vanam
Apr 14, 2026https://github.com/modelcontextprotocol/python-sdk/pull/2438#issue-4258605204
#2432https://github.com/modelcontextprotocol/python-sdk/issues/2432
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/2438
vishal-vanamhttps://github.com/vishal-vanam
April 13, 2026 20:03https://github.com/modelcontextprotocol/python-sdk/pull/2438#commits-pushed-9968f2c
https://github.com/vishal-vanam
fix: consume response body on unexpected content type to prevent clie…https://github.com/modelcontextprotocol/python-sdk/pull/2438/commits/9968f2c45cba28d40a688f61e1b994e79a5c43f7
9968f2chttps://github.com/modelcontextprotocol/python-sdk/pull/2438/commits/9968f2c45cba28d40a688f61e1b994e79a5c43f7
modelcontextprotocol#2432https://github.com/modelcontextprotocol/python-sdk/issues/2432
https://github.com/vishal-vanam
style: format test file with ruffhttps://github.com/modelcontextprotocol/python-sdk/pull/2438/commits/37c95df29b5b1f545198bbe926500b39648a2e6e
37c95dfhttps://github.com/modelcontextprotocol/python-sdk/pull/2438/commits/37c95df29b5b1f545198bbe926500b39648a2e6e
https://github.com/vishal-vanam
fix: add pragma no branch for coverage on pytest.raiseshttps://github.com/modelcontextprotocol/python-sdk/pull/2438/commits/d75d3067b1ea9709d5aef389d256f52437fc47b3
d75d306https://github.com/modelcontextprotocol/python-sdk/pull/2438/commits/d75d3067b1ea9709d5aef389d256f52437fc47b3
https://github.co/hiddenchars
https://github.com/modelcontextprotocol/python-sdk/pull/{{ revealButtonHref }}
Sign up for freehttps://github.com/join?source=comment-repo
Sign in to commenthttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmodelcontextprotocol%2Fpython-sdk%2Fpull%2F2438
Initialize call hangs forever if MCP server does not return a Content-Type: text/plain https://github.com/modelcontextprotocol/python-sdk/issues/2432
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/2438
https://github.com/vishal-vanam
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.