René's URL Explorer Experiment

Title: Run transport security tests in process instead of over sockets by maxisbey · Pull Request #2764 · modelcontextprotocol/python-sdk · GitHub

Open Graph Title: Run transport security tests in process instead of over sockets by maxisbey · Pull Request #2764 · modelcontextprotocol/python-sdk

X Title: Run transport security tests in process instead of over sockets by maxisbey · Pull Request #2764 · modelcontextprotocol/python-sdk

Description: The official Python SDK for Model Context Protocol servers and clients - Run transport security tests in process instead of over sockets by maxisbey · Pull Request #2764 · modelcontextprotocol/python-sdk

Open Graph Description: The SSE and StreamableHTTP security test files have been flaking in CI. Two recent examples: test_sse_security_custom_allowed_hosts failing with 421 for an explicitly allowed host, and test_idle_se...

X Description: The SSE and StreamableHTTP security test files have been flaking in CI. Two recent examples: test_sse_security_custom_allowed_hosts failing with 421 for an explicitly allowed host, and test_idle_se...

Opengraph URL: https://github.com/modelcontextprotocol/python-sdk/pull/2764

X: @github

direct link

Domain: github.com

route-pattern	/_view_fragments/voltron/pull_requests/show/:user_id/:repository/:id/pull_request_layout(.:format)
route-controller	voltron_pull_requests_fragments
route-action	pull_request_layout
fetch-nonce	v2:e8b9f182-81b3-06be-6cd6-16136c104ebb
current-catalog-service-hash	ae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-id	86AA:CAD76:227BE3D:2DB4E2F:6A5B0A6F
html-safe-nonce	68163de6c8430c224b142caf9c6239a2d426c8558f613a9d61459558a5160180
visitor-payload	eyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI4NkFBOkNBRDc2OjIyN0JFM0Q6MkRCNEUyRjo2QTVCMEE2RiIsInZpc2l0b3JfaWQiOiI3MjE5NDMyNDA4MTk0MTU3MTY3IiwicmVnaW9uX2VkZ2UiOiJpYWQiLCJyZWdpb25fcmVuZGVyIjoiaWFkIn0=
visitor-hmac	de3fbccec4aab774759e3d93069aa0e1d4174a4944597c52c104d262a7477acb
hovercard-subject-tag	pull_request:3790417850
github-keyboard-shortcuts	repository,pull-request-list,pull-request-conversation,pull-request-files-changed,copilot
google-site-verification	Apib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-url	https://collector.github.com/github/collect
analytics-location	///voltron/pull_requests_fragments/pull_request_layout
fb:app_id	1401488693436528
apple-itunes-app	app-id=1477376905, app-argument=https://github.com/_view_fragments/voltron/pull_requests/show/modelcontextprotocol/python-sdk/2764/pull_request_layout
twitter:image	https://opengraph.githubassets.com/03bbc931c0a8b2817254109c1b68667c1596617345ad456de73fe36633344e57/modelcontextprotocol/python-sdk/pull/2764
twitter:card	summary_large_image
og:image	https://opengraph.githubassets.com/03bbc931c0a8b2817254109c1b68667c1596617345ad456de73fe36633344e57/modelcontextprotocol/python-sdk/pull/2764
og:image:alt	The SSE and StreamableHTTP security test files have been flaking in CI. Two recent examples: test_sse_security_custom_allowed_hosts failing with 421 for an explicitly allowed host, and test_idle_se...
og:image:width	1200
og:image:height	600
og:site_name	GitHub
og:type	object
og:author:username	maxisbey
hostname	github.com
expected-hostname	github.com
None	5290d7e14309ad1e76106a9c4237bd1041517e83ea182c8ab756752cb0c6940b
turbo-cache-control	no-cache
go-import	github.com/modelcontextprotocol/python-sdk git https://github.com/modelcontextprotocol/python-sdk.git
octolytics-dimension-user_id	182288589
octolytics-dimension-user_login	modelcontextprotocol
octolytics-dimension-repository_id	862584018
octolytics-dimension-repository_nwo	modelcontextprotocol/python-sdk
octolytics-dimension-repository_public	true
octolytics-dimension-repository_is_fork	false
octolytics-dimension-repository_network_root_id	862584018
octolytics-dimension-repository_network_root_nwo	modelcontextprotocol/python-sdk
turbo-body-classes	logged-out env-production page-responsive
disable-turbo	false
browser-stats-url	https://api.github.com/_private/browser/stats
browser-errors-url	https://api.github.com/_private/browser/errors
release	9c975978430e9ad293956f2bbdaf153b1bd84a99
ui-target	full
theme-color	#1e2327
color-scheme	light dark

Links:

Skip to content	https://github.com/modelcontextprotocol/python-sdk/pull/2764#start-of-content
	https://github.com/
Sign in	https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmodelcontextprotocol%2Fpython-sdk%2Fpull%2F2764
GitHub CopilotWrite better code with AI	https://github.com/features/copilot
GitHub Copilot appDirect agents from issue to merge	https://github.com/features/ai/github-app
MCP RegistryNewIntegrate external tools	https://github.com/mcp
ActionsAutomate any workflow	https://github.com/features/actions
CodespacesInstant dev environments	https://github.com/features/codespaces
IssuesPlan and track work	https://github.com/features/issues
Code ReviewManage code changes	https://github.com/features/code-review
GitHub Advanced SecurityFind and fix vulnerabilities	https://github.com/security/advanced-security
Code securitySecure your code as you build	https://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they start	https://github.com/security/advanced-security/secret-protection
Why GitHub	https://github.com/why-github
Documentation	https://docs.github.com
Blog	https://github.blog
Changelog	https://github.blog/changelog
Marketplace	https://github.com/marketplace
View all features	https://github.com/features
Enterprises	https://github.com/enterprise
Small and medium teams	https://github.com/team
Startups	https://github.com/enterprise/startups
Nonprofits	https://github.com/solutions/industry/nonprofits
App Modernization	https://github.com/solutions/use-case/app-modernization
DevSecOps	https://github.com/solutions/use-case/devsecops
DevOps	https://github.com/solutions/use-case/devops
CI/CD	https://github.com/solutions/use-case/ci-cd
View all use cases	https://github.com/solutions/use-case
Healthcare	https://github.com/solutions/industry/healthcare
Financial services	https://github.com/solutions/industry/financial-services
Manufacturing	https://github.com/solutions/industry/manufacturing
Government	https://github.com/solutions/industry/government
View all industries	https://github.com/solutions/industry
View all solutions	https://github.com/solutions
AI	https://github.com/resources/articles?topic=ai
Software Development	https://github.com/resources/articles?topic=software-development
DevOps	https://github.com/resources/articles?topic=devops
Security	https://github.com/resources/articles?topic=security
View all topics	https://github.com/resources/articles
Customer stories	https://github.com/customer-stories
Events & webinars	https://github.com/resources/events
Ebooks & reports	https://github.com/resources/whitepapers
Business insights	https://github.com/solutions/executive-insights
GitHub Skills	https://skills.github.com
Documentation	https://docs.github.com
Customer support	https://support.github.com
Community forum	https://github.com/orgs/community/discussions
Trust center	https://github.com/trust-center
Partners	https://github.com/partners
View all resources	https://github.com/resources
GitHub SponsorsFund open source developers	https://github.com/open-source/sponsors
Security Lab	https://securitylab.github.com
Maintainer Community	https://maintainers.github.com
Accelerator	https://github.com/open-source/accelerator
GitHub Stars	https://stars.github.com
Archive Program	https://archiveprogram.github.com
Topics	https://github.com/topics
Trending	https://github.com/trending
Collections	https://github.com/collections
Enterprise platformAI-powered developer platform	https://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security features	https://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI features	https://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 support	https://github.com/enterprise/premium-support
Pricing	https://github.com/pricing
Search syntax tips	https://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentation	https://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%2F2764
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
Reload	https://github.com/modelcontextprotocol/python-sdk/pull/2764
Reload	https://github.com/modelcontextprotocol/python-sdk/pull/2764
Reload	https://github.com/modelcontextprotocol/python-sdk/pull/2764
Please reload this page	https://github.com/modelcontextprotocol/python-sdk/pull/2764
modelcontextprotocol	https://github.com/modelcontextprotocol
python-sdk	https://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 23.6k	https://github.com/login?return_to=%2Fmodelcontextprotocol%2Fpython-sdk
Code	https://github.com/modelcontextprotocol/python-sdk
Issues 258	https://github.com/modelcontextprotocol/python-sdk/issues
Pull requests 301	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
maxisbey	https://github.com/maxisbey
main	https://github.com/modelcontextprotocol/python-sdk/tree/main
maxisbey/deflake-security-tests	https://github.com/modelcontextprotocol/python-sdk/tree/maxisbey/deflake-security-tests
Conversation	https://github.com/modelcontextprotocol/python-sdk/pull/2764
Commits1 (1)	https://github.com/modelcontextprotocol/python-sdk/pull/2764/commits
Checks	https://github.com/modelcontextprotocol/python-sdk/pull/2764/checks
Files changed	https://github.com/modelcontextprotocol/python-sdk/pull/2764/files
Run transport security tests in process instead of over sockets	https://github.com/modelcontextprotocol/python-sdk/pull/2764#top
maxisbey	https://github.com/maxisbey
main	https://github.com/modelcontextprotocol/python-sdk/tree/main
maxisbey/deflake-security-tests	https://github.com/modelcontextprotocol/python-sdk/tree/maxisbey/deflake-security-tests
	https://github.com/maxisbey
maxisbey	https://github.com/maxisbey
Jun 2, 2026	https://github.com/modelcontextprotocol/python-sdk/pull/2764#issue-4574153187
test_sse_security_custom_allowed_hosts failing with 421 for an explicitly allowed host	https://github.com/modelcontextprotocol/python-sdk/actions/runs/26833728900/job/79121836557
test_idle_session_is_reaped failing with 406 instead of 404 on Windows	https://github.com/modelcontextprotocol/python-sdk/actions/runs/26830483618/job/79110050507
MCP Documentation	https://modelcontextprotocol.io
AI Disclaimer	https://gist.github.com/maxisbey/6123d132484e4c533eab519a2800693d
Please reload this page	https://github.com/modelcontextprotocol/python-sdk/pull/2764
	https://github.com/maxisbey
Run transport security tests in process instead of over sockets	https://github.com/modelcontextprotocol/python-sdk/pull/2764/commits/cb4760df0f29dcb6e267f148acc9a16ade138a09
cb4760d	https://github.com/modelcontextprotocol/python-sdk/pull/2764/commits/cb4760df0f29dcb6e267f148acc9a16ade138a09
	https://github.com/maxisbey
maxisbey	https://github.com/maxisbey
June 2, 2026 18:53	https://github.com/modelcontextprotocol/python-sdk/pull/2764#event-26252932489
	https://github.com/Kludex
Kludex	https://github.com/Kludex
Jun 2, 2026	https://github.com/modelcontextprotocol/python-sdk/pull/2764#pullrequestreview-4412954349
View reviewed changes	https://github.com/modelcontextprotocol/python-sdk/pull/2764/files/cb4760df0f29dcb6e267f148acc9a16ade138a09
	https://github.com/maxisbey
maxisbey	https://github.com/maxisbey
b3025f9	https://github.com/modelcontextprotocol/python-sdk/commit/b3025f93b4ba63c6d0d04b1357947ecdb78eb0bd
Jun 2, 2026	https://github.com/modelcontextprotocol/python-sdk/pull/2764#event-26254338655
Please reload this page	https://github.com/modelcontextprotocol/python-sdk/pull/2764
	https://github.com/maxisbey
maxisbey	https://github.com/maxisbey
June 2, 2026 19:30	https://github.com/modelcontextprotocol/python-sdk/pull/2764#event-26254339902
Run SSE and Unicode transport tests in process instead of over sockets #2765	https://github.com/modelcontextprotocol/python-sdk/pull/2765
Run StreamableHTTP transport tests in process instead of over sockets #2767	https://github.com/modelcontextprotocol/python-sdk/pull/2767
tests: avoid racy HTTP test ports #2760	https://github.com/modelcontextprotocol/python-sdk/pull/2760
Fix flaky test test_response in test_streamable_http.py #1573	https://github.com/modelcontextprotocol/python-sdk/issues/1573
maxisbey	https://github.com/maxisbey
Jun 4, 2026	https://github.com/modelcontextprotocol/python-sdk/pull/2764#ref-commit-40687f0
	https://github.com/maxisbey
Merge origin/main (in-process transport tests	https://github.com/modelcontextprotocol/python-sdk/commit/40687f04a26a5022b4ac45e57d205e2941b20aca
#2764	https://github.com/modelcontextprotocol/python-sdk/pull/2764
/2765/2767)	https://github.com/modelcontextprotocol/python-sdk/commit/40687f04a26a5022b4ac45e57d205e2941b20aca
40687f0	https://github.com/modelcontextprotocol/python-sdk/commit/40687f04a26a5022b4ac45e57d205e2941b20aca
maxisbey	https://github.com/maxisbey
Jun 4, 2026	https://github.com/modelcontextprotocol/python-sdk/pull/2764#ref-commit-7cbfd0f
	https://github.com/maxisbey
test: gh-106749 heal in StreamingASGITransport.__aexit__	https://github.com/modelcontextprotocol/python-sdk/commit/7cbfd0f4b987a15fd52aa71dfd377f9fd35d9c74
7cbfd0f	https://github.com/modelcontextprotocol/python-sdk/commit/7cbfd0f4b987a15fd52aa71dfd377f9fd35d9c74
#2764	https://github.com/modelcontextprotocol/python-sdk/pull/2764
Remove the unsupported WebSocket transport #2785	https://github.com/modelcontextprotocol/python-sdk/pull/2785
[v1.x] Backport transport test deflakes from main (tests-only) #2837	https://github.com/modelcontextprotocol/python-sdk/pull/2837
	https://github.co/hiddenchars
	https://github.com/modelcontextprotocol/python-sdk/pull/{{ revealButtonHref }}
Sign up for free	https://github.com/join?source=comment-repo
Sign in to comment	https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmodelcontextprotocol%2Fpython-sdk%2Fpull%2F2764
	https://github.com/Kludex
Kludex	https://github.com/Kludex
	https://github.com/modelcontextprotocol/python-sdk/pull/2764/files/cb4760df0f29dcb6e267f148acc9a16ade138a09
Please reload this page	https://github.com/modelcontextprotocol/python-sdk/pull/2764
	https://github.com/maxisbey
	https://github.com/Kludex
	https://github.com
Terms	https://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacy	https://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Security	https://github.com/security
Status	https://www.githubstatus.com/
Community	https://github.community/
Docs	https://docs.github.com/
Contact	https://support.github.com?tags=dotcom-footer

Viewport: width=device-width

URLs of crawlers that visited me.