René's URL Explorer Experiment


Title: fix(client): surface streamable HTTP 401 as JSON-RPC error by Sehlani042 · Pull Request #3051 · modelcontextprotocol/python-sdk · GitHub

Open Graph Title: fix(client): surface streamable HTTP 401 as JSON-RPC error by Sehlani042 · Pull Request #3051 · modelcontextprotocol/python-sdk

X Title: fix(client): surface streamable HTTP 401 as JSON-RPC error by Sehlani042 · Pull Request #3051 · modelcontextprotocol/python-sdk

Description: The official Python SDK for Model Context Protocol servers and clients - fix(client): surface streamable HTTP 401 as JSON-RPC error by Sehlani042 · Pull Request #3051 · modelcontextprotocol/python-sdk

Open Graph Description: Summary map bare Streamable HTTP 401 POST responses for JSON-RPC requests to a correlated JSON-RPC error instead of the generic fallback keep existing JSON-RPC error bodies, 404 pre-session, and s...

X Description: Summary map bare Streamable HTTP 401 POST responses for JSON-RPC requests to a correlated JSON-RPC error instead of the generic fallback keep existing JSON-RPC error bodies, 404 pre-session, and s...

Opengraph URL: https://github.com/modelcontextprotocol/python-sdk/pull/3051

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:eaa8c3a5-bb97-a554-a987-0ee847199300
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idB234:161EE9:112F0E0:17A7986:6A61B17B
html-safe-nonce56b72658f223ba23965bfbdd21c4557e13a9ee6da0567b64d79013a13147d85d
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJCMjM0OjE2MUVFOToxMTJGMEUwOjE3QTc5ODY6NkE2MUIxN0IiLCJ2aXNpdG9yX2lkIjoiMjY2OTIxNjI3MDk0NTIwMjU1NSIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmac388a8302b0dcbc9b709ea861e127b811e46a11870db01361e08dcfd541c41bf8
hovercard-subject-tagpull_request:3975537609
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/3051/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/6a373a5b7da1c421885442a3ffa15559e05bbdda3641326d924e16cf26d6959a/modelcontextprotocol/python-sdk/pull/3051
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/6a373a5b7da1c421885442a3ffa15559e05bbdda3641326d924e16cf26d6959a/modelcontextprotocol/python-sdk/pull/3051
og:image:altSummary map bare Streamable HTTP 401 POST responses for JSON-RPC requests to a correlated JSON-RPC error instead of the generic fallback keep existing JSON-RPC error bodies, 404 pre-session, and s...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernameSehlani042
hostnamegithub.com
expected-hostnamegithub.com
None6f4633bcf01c1ad14b73fd07dd39ac31d61f3d3c2578ee08ec1792b7b351eeb9
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
releaseac296ae7f21856f1f92adbad22f870b6fbb4b907
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/modelcontextprotocol/python-sdk/pull/3051#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmodelcontextprotocol%2Fpython-sdk%2Fpull%2F3051
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%2F3051
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/3051
Reloadhttps://github.com/modelcontextprotocol/python-sdk/pull/3051
Reloadhttps://github.com/modelcontextprotocol/python-sdk/pull/3051
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/3051
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 268 https://github.com/modelcontextprotocol/python-sdk/issues
Pull requests 313 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
Sehlani042https://github.com/Sehlani042
modelcontextprotocol:mainhttps://github.com/modelcontextprotocol/python-sdk/tree/main
Sehlani042:codex/streamable-http-401-jsonrpc-errorhttps://github.com/Sehlani042/python-sdk/tree/codex/streamable-http-401-jsonrpc-error
Conversationhttps://github.com/modelcontextprotocol/python-sdk/pull/3051
Commits1 (1)https://github.com/modelcontextprotocol/python-sdk/pull/3051/commits
Checkshttps://github.com/modelcontextprotocol/python-sdk/pull/3051/checks
Files changedhttps://github.com/modelcontextprotocol/python-sdk/pull/3051/files
fix(client): surface streamable HTTP 401 as JSON-RPC errorhttps://github.com/modelcontextprotocol/python-sdk/pull/3051#top
Sehlani042https://github.com/Sehlani042
modelcontextprotocol:mainhttps://github.com/modelcontextprotocol/python-sdk/tree/main
Sehlani042:codex/streamable-http-401-jsonrpc-errorhttps://github.com/Sehlani042/python-sdk/tree/codex/streamable-http-401-jsonrpc-error
https://github.com/Sehlani042
Sehlani042https://github.com/Sehlani042
Jul 2, 2026https://github.com/modelcontextprotocol/python-sdk/pull/3051#issue-4791230749
#1295https://github.com/modelcontextprotocol/python-sdk/issues/1295
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/3051
https://github.com/Sehlani042
Sehlani042https://github.com/Sehlani042
July 2, 2026 08:37https://github.com/modelcontextprotocol/python-sdk/pull/3051#event-27469043649
https://github.com/apps/cubic-dev-ai
cubic-dev-aihttps://github.com/apps/cubic-dev-ai
Jul 2, 2026 https://github.com/modelcontextprotocol/python-sdk/pull/3051#pullrequestreview-4615832050
View reviewed changes https://github.com/modelcontextprotocol/python-sdk/pull/3051/files
cubic-dev-aihttps://github.com/apps/cubic-dev-ai
https://github.com/modelcontextprotocol/python-sdk/pull/3051#pullrequestreview-4615832050
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Learn morehttps://docs.cubic.dev/ai-review/ai-review-settings?utm_source=github#automatic-pr-approval
Re-trigger cubichttps://www.cubic.dev/action/re-review/pr/modelcontextprotocol/python-sdk/3051/ai_pr_review_1782981462130_f1d29474-52b2-4d2b-bc84-c8fdda680998?returnTo=https%3A%2F%2Fgithub.com%2Fmodelcontextprotocol%2Fpython-sdk%2Fpull%2F3051
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/3051
https://github.com/Sehlani042
fix(client): surface streamable HTTP 401 as JSON-RPC errorhttps://github.com/modelcontextprotocol/python-sdk/pull/3051/commits/115bb4c0de2917a60e8c8b51d61825d424e39fb6
115bb4chttps://github.com/modelcontextprotocol/python-sdk/pull/3051/commits/115bb4c0de2917a60e8c8b51d61825d424e39fb6
https://github.com/Sehlani042
Sehlani042https://github.com/Sehlani042
force-pushedhttps://github.com/modelcontextprotocol/python-sdk/compare/a6b5613f7106ca8d5d7d57f324b8076cc2ac5335..115bb4c0de2917a60e8c8b51d61825d424e39fb6
a6b5613https://github.com/modelcontextprotocol/python-sdk/commit/a6b5613f7106ca8d5d7d57f324b8076cc2ac5335
115bb4chttps://github.com/modelcontextprotocol/python-sdk/commit/115bb4c0de2917a60e8c8b51d61825d424e39fb6
Compare https://github.com/modelcontextprotocol/python-sdk/compare/a6b5613f7106ca8d5d7d57f324b8076cc2ac5335..115bb4c0de2917a60e8c8b51d61825d424e39fb6
July 2, 2026 19:01https://github.com/modelcontextprotocol/python-sdk/pull/3051#event-27495697330
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%2F3051
https://github.com/apps/cubic-dev-ai
cubic-dev-ai[bot] https://github.com/apps/cubic-dev-ai
https://github.com/modelcontextprotocol/python-sdk/pull/3051/files/a6b5613f7106ca8d5d7d57f324b8076cc2ac5335
401 in Streamable HTTP should be handled gracefully https://github.com/modelcontextprotocol/python-sdk/issues/1295
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/3051
https://github.com/Sehlani042
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.