René's URL Explorer Experiment


Title: fix: preserve existing refresh_token when server omits it in refresh response by Jah-yee · Pull Request #2274 · modelcontextprotocol/python-sdk · GitHub

Open Graph Title: fix: preserve existing refresh_token when server omits it in refresh response by Jah-yee · Pull Request #2274 · modelcontextprotocol/python-sdk

X Title: fix: preserve existing refresh_token when server omits it in refresh response by Jah-yee · Pull Request #2274 · modelcontextprotocol/python-sdk

Description: Per RFC 6749 Section 6, the authorization server MAY issue a new refresh token in the refresh response. If omitted, the client must preserve the existing one. This fix prevents token refresh failures after the first refresh when using OAuth providers that don't return refresh tokens in responses (e.g., Google, Auth0 without rotation, Okta in persistent token mode). Fixes #2270

Open Graph Description: Per RFC 6749 Section 6, the authorization server MAY issue a new refresh token in the refresh response. If omitted, the client must preserve the existing one. This fix prevents token refresh failur...

X Description: Per RFC 6749 Section 6, the authorization server MAY issue a new refresh token in the refresh response. If omitted, the client must preserve the existing one. This fix prevents token refresh failur...

Opengraph URL: https://github.com/modelcontextprotocol/python-sdk/pull/2274

X: @github

direct link

Domain: github.com

route-pattern/:user_id/:repository/pull/:id/files(.:format)
route-controllerpull_requests
route-actionfiles
fetch-noncev2:cea08ebd-f94c-dee7-6873-14538361964b
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idDAFE:389F43:B205D:EE084:6A5A66E1
html-safe-nonce6d8a5867d4b2c1fa103f4e1e0d28697c337db3e066c7830fdf42081ebedd117e
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJEQUZFOjM4OUY0MzpCMjA1RDpFRTA4NDo2QTVBNjZFMSIsInZpc2l0b3JfaWQiOiI3NjI0MDYxMjg1NzQwMjA5ODg5IiwicmVnaW9uX2VkZ2UiOiJpYWQiLCJyZWdpb25fcmVuZGVyIjoiaWFkIn0=
visitor-hmac57e20ffbbcda0e6c8df406f9857babb3cf3eeb2948a041f486efab37263d43ec
hovercard-subject-tagpull_request:3385281154
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///pull_requests/show/files
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/modelcontextprotocol/python-sdk/pull/2274/files
twitter:imagehttps://avatars.githubusercontent.com/u/166608075?s=400&v=4
twitter:cardsummary_large_image
og:imagehttps://avatars.githubusercontent.com/u/166608075?s=400&v=4
og:image:altPer RFC 6749 Section 6, the authorization server MAY issue a new refresh token in the refresh response. If omitted, the client must preserve the existing one. This fix prevents token refresh failur...
og:site_nameGitHub
og:typeobject
hostnamegithub.com
expected-hostnamegithub.com
None922bdba685ea48400234d557977f0e32d9adbae6f5125725b4f48cacc6801106
turbo-cache-controlno-preview
diff-viewunified
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-turbotrue
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release03575fc589c0e2692de839d7ca2b3aa5b5179f52
ui-targetcanary-1
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/modelcontextprotocol/python-sdk/pull/2274/files#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmodelcontextprotocol%2Fpython-sdk%2Fpull%2F2274%2Ffiles
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%2F2274%2Ffiles
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%2Fpull_requests%2Fshow%2Ffiles&source=header-repo&source_repo=modelcontextprotocol%2Fpython-sdk
Reloadhttps://github.com/modelcontextprotocol/python-sdk/pull/2274/files
Reloadhttps://github.com/modelcontextprotocol/python-sdk/pull/2274/files
Reloadhttps://github.com/modelcontextprotocol/python-sdk/pull/2274/files
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/2274/files
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 23.6k https://github.com/login?return_to=%2Fmodelcontextprotocol%2Fpython-sdk
Code https://github.com/modelcontextprotocol/python-sdk
Issues 256 https://github.com/modelcontextprotocol/python-sdk/issues
Pull requests 303 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
Sign up for GitHub https://github.com/signup?return_to=%2Fmodelcontextprotocol%2Fpython-sdk%2Fissues%2Fnew%2Fchoose
terms of servicehttps://docs.github.com/terms
privacy statementhttps://docs.github.com/privacy
Sign inhttps://github.com/login?return_to=%2Fmodelcontextprotocol%2Fpython-sdk%2Fissues%2Fnew%2Fchoose
Jah-yeehttps://github.com/Jah-yee
modelcontextprotocol:mainhttps://github.com/modelcontextprotocol/python-sdk/tree/main
Jah-yee:mainhttps://github.com/Jah-yee/python-sdk/tree/main
Conversation 2 https://github.com/modelcontextprotocol/python-sdk/pull/2274
Commits 1 https://github.com/modelcontextprotocol/python-sdk/pull/2274/commits
Checks 28 https://github.com/modelcontextprotocol/python-sdk/pull/2274/checks
Files changed 1 https://github.com/modelcontextprotocol/python-sdk/pull/2274/files
fix: preserve existing refresh_token when server omits it in refresh response https://github.com/modelcontextprotocol/python-sdk/pull/2274/files#top
Show all changes 1 commit https://github.com/modelcontextprotocol/python-sdk/pull/2274/files
04df856 fix: preserve existing refresh_token when server omits it in refresh … Jah-yee Mar 11, 2026 https://github.com/modelcontextprotocol/python-sdk/pull/2274/commits/04df85651d3c4b1df4e39ecdf2c4ad58b7280957
Clear filters https://github.com/modelcontextprotocol/python-sdk/pull/2274/files
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/2274/files
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/2274/files
src/mcp/client/auth/oauth2.pyhttps://github.com/modelcontextprotocol/python-sdk/pull/2274/files#diff-b7aaf2062da175cea9a532176d6eb78b659eaadb757cc48929f0bafccfdb8d98
View file https://github.com/Jah-yee/python-sdk/blob/04df85651d3c4b1df4e39ecdf2c4ad58b7280957/src/mcp/client/auth/oauth2.py
Open in desktop https://desktop.github.com
https://github.co/hiddenchars
https://github.com/modelcontextprotocol/python-sdk/pull/2274/{{ revealButtonHref }}
https://github.com/modelcontextprotocol/python-sdk/pull/2274/files#diff-b7aaf2062da175cea9a532176d6eb78b659eaadb757cc48929f0bafccfdb8d98
claudehttps://github.com/apps/claude
Mar 11, 2026https://github.com/modelcontextprotocol/python-sdk/pull/2274/files#r2919940480
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
#2270https://github.com/modelcontextprotocol/python-sdk/issues/2270
#2270https://github.com/modelcontextprotocol/python-sdk/issues/2270
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/2274/files
https://github.com/modelcontextprotocol/python-sdk/pull/2274/files#diff-b7aaf2062da175cea9a532176d6eb78b659eaadb757cc48929f0bafccfdb8d98
Please reload this pagehttps://github.com/modelcontextprotocol/python-sdk/pull/2274/files
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.