René's URL Explorer Experiment


Title: SEP-2575: Make MCP Stateless by kurtisvg · Pull Request #2575 · modelcontextprotocol/modelcontextprotocol · GitHub

Open Graph Title: SEP-2575: Make MCP Stateless by kurtisvg · Pull Request #2575 · modelcontextprotocol/modelcontextprotocol

X Title: SEP-2575: Make MCP Stateless by kurtisvg · Pull Request #2575 · modelcontextprotocol/modelcontextprotocol

Description: Specification and documentation for the Model Context Protocol - SEP-2575: Make MCP Stateless by kurtisvg · Pull Request #2575 · modelcontextprotocol/modelcontextprotocol

Open Graph Description: Summary This PR introduces a SEP for making MCP stateless-by-default, migrated from the original issue discussion at #1442 into the PR-based SEP format per SEP-1850. Motivation The current MCP spec...

X Description: Summary This PR introduces a SEP for making MCP stateless-by-default, migrated from the original issue discussion at #1442 into the PR-based SEP format per SEP-1850. Motivation The current MCP spec...

Opengraph URL: https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575

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:f7b727c2-7cad-6977-0b4f-3bcee244934e
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idA174:23ADE0:1204D88:19FF37A:6A58E6CC
html-safe-nonce0eb062c1927164476f60bc01119d9091bc73e759f73868498769e5e6562c1469
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJBMTc0OjIzQURFMDoxMjA0RDg4OjE5RkYzN0E6NkE1OEU2Q0MiLCJ2aXNpdG9yX2lkIjoiMjQ5MjE5NjU0Mzg0NTE2NDc0OCIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmac312c6e40fcb9ebcdf4d76f5ed1ca84cfaceeb8635a276d5f34fbeed9f2ddafd7
hovercard-subject-tagpull_request:3530622102
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/modelcontextprotocol/2575/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/38f73b7f73dc86d97a623fd5f5105def0340b39e98a1dcfd35603330e388d3a0/modelcontextprotocol/modelcontextprotocol/pull/2575
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/38f73b7f73dc86d97a623fd5f5105def0340b39e98a1dcfd35603330e388d3a0/modelcontextprotocol/modelcontextprotocol/pull/2575
og:image:altSummary This PR introduces a SEP for making MCP stateless-by-default, migrated from the original issue discussion at #1442 into the PR-based SEP format per SEP-1850. Motivation The current MCP spec...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamekurtisvg
hostnamegithub.com
expected-hostnamegithub.com
None5f2a0c7865178af3d91dd9f13b0cdfc3c73a2529c873d2780bb4c01271a57ec6
turbo-cache-controlno-cache
go-importgithub.com/modelcontextprotocol/modelcontextprotocol git https://github.com/modelcontextprotocol/modelcontextprotocol.git
octolytics-dimension-user_id182288589
octolytics-dimension-user_loginmodelcontextprotocol
octolytics-dimension-repository_id862570523
octolytics-dimension-repository_nwomodelcontextprotocol/modelcontextprotocol
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id862570523
octolytics-dimension-repository_network_root_nwomodelcontextprotocol/modelcontextprotocol
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
release8aae7b8d6caacacf5c66eaeb2702d8dc88d85b4a
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmodelcontextprotocol%2Fmodelcontextprotocol%2Fpull%2F2575
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%2Fmodelcontextprotocol%2Fpull%2F2575
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%2Fmodelcontextprotocol
Reloadhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
Reloadhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
Reloadhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
modelcontextprotocol https://github.com/modelcontextprotocol
modelcontextprotocolhttps://github.com/modelcontextprotocol/modelcontextprotocol
Notifications https://github.com/login?return_to=%2Fmodelcontextprotocol%2Fmodelcontextprotocol
Fork 1.7k https://github.com/login?return_to=%2Fmodelcontextprotocol%2Fmodelcontextprotocol
Star 8.6k https://github.com/login?return_to=%2Fmodelcontextprotocol%2Fmodelcontextprotocol
Code https://github.com/modelcontextprotocol/modelcontextprotocol
Issues 113 https://github.com/modelcontextprotocol/modelcontextprotocol/issues
Pull requests 79 https://github.com/modelcontextprotocol/modelcontextprotocol/pulls
Discussions https://github.com/modelcontextprotocol/modelcontextprotocol/discussions
Actions https://github.com/modelcontextprotocol/modelcontextprotocol/actions
Projects https://github.com/modelcontextprotocol/modelcontextprotocol/projects
Models https://github.com/modelcontextprotocol/modelcontextprotocol/models
Security and quality 0 https://github.com/modelcontextprotocol/modelcontextprotocol/security
Insights https://github.com/modelcontextprotocol/modelcontextprotocol/pulse
Code https://github.com/modelcontextprotocol/modelcontextprotocol
Issues https://github.com/modelcontextprotocol/modelcontextprotocol/issues
Pull requests https://github.com/modelcontextprotocol/modelcontextprotocol/pulls
Discussions https://github.com/modelcontextprotocol/modelcontextprotocol/discussions
Actions https://github.com/modelcontextprotocol/modelcontextprotocol/actions
Projects https://github.com/modelcontextprotocol/modelcontextprotocol/projects
Models https://github.com/modelcontextprotocol/modelcontextprotocol/models
Security and quality https://github.com/modelcontextprotocol/modelcontextprotocol/security
Insights https://github.com/modelcontextprotocol/modelcontextprotocol/pulse
kurtisvghttps://github.com/kurtisvg
modelcontextprotocol:mainhttps://github.com/modelcontextprotocol/modelcontextprotocol/tree/main
kurtisvg:sep-1442-rebornhttps://github.com/kurtisvg/modelcontextprotocol/tree/sep-1442-reborn
Conversationhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
Commits69 (69)https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/commits
Checkshttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/checks
Files changedhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files
SEP-2575: Make MCP Statelesshttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#top
kurtisvghttps://github.com/kurtisvg
modelcontextprotocol:mainhttps://github.com/modelcontextprotocol/modelcontextprotocol/tree/main
kurtisvg:sep-1442-rebornhttps://github.com/kurtisvg/modelcontextprotocol/tree/sep-1442-reborn
https://github.com/kurtisvg
kurtisvghttps://github.com/kurtisvg
Apr 14, 2026https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#issue-4264783865
#1442https://github.com/modelcontextprotocol/modelcontextprotocol/issues/1442
SEP-2322: Multi Round-Trip Requestshttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2322
SEP-2567: Sessionless MCP via Explicit State Handleshttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2567
#1442https://github.com/modelcontextprotocol/modelcontextprotocol/issues/1442
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
https://github.com/kurtisvg
kurtisvghttps://github.com/kurtisvg
Apr 14, 2026https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#event-24504365709
https://github.com/kurtisvg
kurtisvghttps://github.com/kurtisvg
Apr 14, 2026https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#event-24504375569
https://github.com/kurtisvg
kurtisvghttps://github.com/kurtisvg
code ownershttps://github.com/modelcontextprotocol/modelcontextprotocol/blob/76775c6a412ad08bd32344db231268cde1f1bc4e/.github/CODEOWNERS#L4
April 14, 2026 21:48https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#event-24505126907
https://github.com/kurtisvg
kurtisvghttps://github.com/kurtisvg
SEP https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3ASEP
transport https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3Atransport
Apr 14, 2026https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#event-24508538374
https://github.com/apps/github-project-automation
github-project-automationhttps://github.com/apps/github-project-automation
SEP Review Pipelinehttps://github.com/orgs/modelcontextprotocol/projects/12
Apr 14, 2026https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#event-24508540576
https://github.com/ggoodman
ggoodmanhttps://github.com/ggoodman
Apr 15, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#pullrequestreview-4110273538
View reviewed changes https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files
docs/seps/2575-stateless-mcp.mdxhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-5634a25b54fe10e8e597e00b8d1283f2e3a613004f40708940f64178c06d4744
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
https://github.com/ggoodman
ggoodmanhttps://github.com/ggoodman
Apr 15, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#pullrequestreview-4110281282
View reviewed changes https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files
docs/seps/2575-stateless-mcp.mdxhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-5634a25b54fe10e8e597e00b8d1283f2e3a613004f40708940f64178c06d4744
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
https://github.com/ggoodman
ggoodmanhttps://github.com/ggoodman
Apr 15, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#pullrequestreview-4110286690
View reviewed changes https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files
docs/seps/2575-stateless-mcp.mdxhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-5634a25b54fe10e8e597e00b8d1283f2e3a613004f40708940f64178c06d4744
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
https://github.com/ggoodman
ggoodmanhttps://github.com/ggoodman
Apr 15, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#pullrequestreview-4110312885
View reviewed changes https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files
docs/seps/2575-stateless-mcp.mdxhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-5634a25b54fe10e8e597e00b8d1283f2e3a613004f40708940f64178c06d4744
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
https://github.com/ggoodman
ggoodmanhttps://github.com/ggoodman
Apr 15, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#pullrequestreview-4110321854
View reviewed changes https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files
docs/seps/2575-stateless-mcp.mdxhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-5634a25b54fe10e8e597e00b8d1283f2e3a613004f40708940f64178c06d4744
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
https://github.com/kurtisvg
kurtisvghttps://github.com/kurtisvg
Apr 15, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#ref-issue-3394788710
SEP-1442: Make MCP Stateless (by default) #1442 https://github.com/modelcontextprotocol/modelcontextprotocol/issues/1442
https://github.com/pja-ant
pja-anthttps://github.com/pja-ant
Apr 15, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#pullrequestreview-4112954788
View reviewed changes https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files
docs/seps/2575-stateless-mcp.mdxhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-5634a25b54fe10e8e597e00b8d1283f2e3a613004f40708940f64178c06d4744
pja-anthttps://github.com/pja-ant
Apr 15, 2026https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#discussion_r3085947890
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
@CaitieM20https://github.com/CaitieM20
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
kurtisvghttps://github.com/kurtisvg
Apr 15, 2026https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#discussion_r3087730158
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
markdrothhttps://github.com/markdroth
Apr 20, 2026https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#discussion_r3114153413
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
https://github.com/pja-ant
pja-anthttps://github.com/pja-ant
Apr 15, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#pullrequestreview-4112963228
View reviewed changes https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files
docs/seps/2575-stateless-mcp.mdxhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-5634a25b54fe10e8e597e00b8d1283f2e3a613004f40708940f64178c06d4744
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
https://github.com/pja-ant
pja-anthttps://github.com/pja-ant
Apr 15, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#pullrequestreview-4112987224
View reviewed changes https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files
docs/seps/2575-stateless-mcp.mdxhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-5634a25b54fe10e8e597e00b8d1283f2e3a613004f40708940f64178c06d4744
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
https://github.com/dsp-ant
dsp-anthttps://github.com/dsp-ant
roadmap/transport https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3Aroadmap%2Ftransport
Apr 15, 2026https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#event-24528473370
https://github.com/pja-ant
pja-anthttps://github.com/pja-ant
Apr 15, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#pullrequestreview-4114390455
View reviewed changes https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files
docs/seps/2575-stateless-mcp.mdxhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-5634a25b54fe10e8e597e00b8d1283f2e3a613004f40708940f64178c06d4744
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
https://github.com/localden
localdenhttps://github.com/localden
draft https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3Adraft
Apr 15, 2026https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#event-24540837052
https://github.com/jonathanhefner
jonathanhefnerhttps://github.com/jonathanhefner
Apr 15, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#pullrequestreview-4116043624
View reviewed changes https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files
seps/2575-stateless-mcp.mdhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-2145ad529c53fcee40347e6c4f527b390b350dd12d37c5e0dad02ff4b613468f
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
seps/2575-stateless-mcp.mdhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-2145ad529c53fcee40347e6c4f527b390b350dd12d37c5e0dad02ff4b613468f
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
seps/2575-stateless-mcp.mdhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-2145ad529c53fcee40347e6c4f527b390b350dd12d37c5e0dad02ff4b613468f
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
seps/2575-stateless-mcp.mdhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-2145ad529c53fcee40347e6c4f527b390b350dd12d37c5e0dad02ff4b613468f
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
seps/2575-stateless-mcp.mdhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-2145ad529c53fcee40347e6c4f527b390b350dd12d37c5e0dad02ff4b613468f
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
https://github.com/kurtisvg
kurtisvghttps://github.com/kurtisvg
SamMorrowDrumshttps://github.com/SamMorrowDrums
ggoodmanhttps://github.com/ggoodman
jonathanhefnerhttps://github.com/jonathanhefner
pja-anthttps://github.com/pja-ant
April 16, 2026 02:59https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#event-24551586638
https://github.com/kurtisvg
kurtisvghttps://github.com/kurtisvg
force-pushedhttps://github.com/modelcontextprotocol/modelcontextprotocol/compare/43950d93d5bd22fefa2f349eb356765138704675..0cc12456a6a1bd9454bd87cc98b91eb85ad970a4
43950d9https://github.com/modelcontextprotocol/modelcontextprotocol/commit/43950d93d5bd22fefa2f349eb356765138704675
0cc1245https://github.com/modelcontextprotocol/modelcontextprotocol/commit/0cc12456a6a1bd9454bd87cc98b91eb85ad970a4
Compare https://github.com/modelcontextprotocol/modelcontextprotocol/compare/43950d93d5bd22fefa2f349eb356765138704675..0cc12456a6a1bd9454bd87cc98b91eb85ad970a4
April 16, 2026 03:01https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#event-24551615746
https://github.com/dsp-ant
dsp-anthttps://github.com/dsp-ant
Apr 16, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#pullrequestreview-4121797706
View reviewed changes https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files
seps/2575-stateless-mcp.mdhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-2145ad529c53fcee40347e6c4f527b390b350dd12d37c5e0dad02ff4b613468f
dsp-anthttps://github.com/dsp-ant
Apr 16, 2026https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#discussion_r3094047574
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
kurtisvghttps://github.com/kurtisvg
Apr 16, 2026https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#discussion_r3095206520
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
this line in the spechttps://modelcontextprotocol.io/specification/2025-06-18/basic/index#_meta
schemahttps://github.com/modelcontextprotocol/specification/blob/main/schema/2025-06-18/schema.ts
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
seps/2575-stateless-mcp.mdhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-2145ad529c53fcee40347e6c4f527b390b350dd12d37c5e0dad02ff4b613468f
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
seps/2575-stateless-mcp.mdhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-2145ad529c53fcee40347e6c4f527b390b350dd12d37c5e0dad02ff4b613468f
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
seps/2575-stateless-mcp.mdhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-2145ad529c53fcee40347e6c4f527b390b350dd12d37c5e0dad02ff4b613468f
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
seps/2575-stateless-mcp.mdhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-2145ad529c53fcee40347e6c4f527b390b350dd12d37c5e0dad02ff4b613468f
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
https://github.com/CaitieM20
CaitieM20https://github.com/CaitieM20
Apr 16, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#pullrequestreview-4124256531
View reviewed changes https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files
seps/2575-stateless-mcp.mdhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-2145ad529c53fcee40347e6c4f527b390b350dd12d37c5e0dad02ff4b613468f
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
https://github.com/CaitieM20
CaitieM20https://github.com/CaitieM20
Apr 16, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#pullrequestreview-4124285406
View reviewed changes https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files
seps/2575-stateless-mcp.mdhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-2145ad529c53fcee40347e6c4f527b390b350dd12d37c5e0dad02ff4b613468f
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
https://github.com/CaitieM20
CaitieM20https://github.com/CaitieM20
Apr 16, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#pullrequestreview-4124301084
View reviewed changes https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files
seps/2575-stateless-mcp.mdhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-2145ad529c53fcee40347e6c4f527b390b350dd12d37c5e0dad02ff4b613468f
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
https://github.com/CaitieM20
CaitieM20https://github.com/CaitieM20
Apr 16, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#pullrequestreview-4124351327
View reviewed changes https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files
seps/2575-stateless-mcp.mdhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files#diff-2145ad529c53fcee40347e6c4f527b390b350dd12d37c5e0dad02ff4b613468f
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
SEP-2575: Make MCP Stateless modelcontextprotocol/java-sdk#1011 https://github.com/modelcontextprotocol/java-sdk/issues/1011
Implement SEP-2575: Make MCP Stateless modelcontextprotocol/kotlin-sdk#815 https://github.com/modelcontextprotocol/kotlin-sdk/issues/815
Implement SEP-2575: Make MCP Stateless modelcontextprotocol/python-sdk#2804 https://github.com/modelcontextprotocol/python-sdk/issues/2804
SEP-2575: Make MCP Stateless modelcontextprotocol/ruby-sdk#389 https://github.com/modelcontextprotocol/ruby-sdk/issues/389
Implement SEP-2575: Make MCP Stateless modelcontextprotocol/swift-sdk#245 https://github.com/modelcontextprotocol/swift-sdk/issues/245
(implementation): SEP-2575 - Make MCP Stateless #2884 https://github.com/modelcontextprotocol/modelcontextprotocol/issues/2884
https://github.com/Patdolitse
Sign in to viewhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmodelcontextprotocol%2Fmodelcontextprotocol%2Fpull%2F2575
https://github.com/cyanheads
cyanheadshttps://github.com/cyanheads
Jun 10, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#ref-issue-4634710506
chore(core): remove the RootsRegistry placeholder cyanheads/mcp-ts-core#218 https://github.com/cyanheads/mcp-ts-core/issues/218
feat(mcp): request-scoped progress notifications in serverless mode mastra-ai/mastra#17894 https://github.com/mastra-ai/mastra/pull/17894
feat(mcp): request-scoped progress notifications in serverless mode mastra-ai/mastra#17927 https://github.com/mastra-ai/mastra/pull/17927
https://github.com/mkouba
mkoubahttps://github.com/mkouba
Jun 15, 2026https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#issuecomment-4708837873
current DRAFThttps://modelcontextprotocol.io/specification/draft/basic/patterns/subscriptions
#2575 (comment)https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#issuecomment-4347995094
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
Backwards compatibility & version negotiation modelcontextprotocol/python-sdk#2892 https://github.com/modelcontextprotocol/python-sdk/issues/2892
New Client (all-versions, low-level + high-level) modelcontextprotocol/python-sdk#2894 https://github.com/modelcontextprotocol/python-sdk/issues/2894
Context object (layered, per-request) modelcontextprotocol/python-sdk#2895 https://github.com/modelcontextprotocol/python-sdk/issues/2895
Capabilities API + server/discover handler modelcontextprotocol/python-sdk#2896 https://github.com/modelcontextprotocol/python-sdk/issues/2896
subscriptions/listen modelcontextprotocol/python-sdk#2901 https://github.com/modelcontextprotocol/python-sdk/issues/2901
Yuan325https://github.com/Yuan325
Jun 17, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#ref-commit-bfc39ff
https://github.com/Yuan325
feat: support SEP-2575 make MCP stateless (https://github.com/googleapis/mcp-toolbox/commit/bfc39ff22db6adf4b81ace42c76a65e40c260375
#3211https://github.com/googleapis/mcp-toolbox/pull/3211
)https://github.com/googleapis/mcp-toolbox/commit/bfc39ff22db6adf4b81ace42c76a65e40c260375
bfc39ffhttps://github.com/googleapis/mcp-toolbox/commit/bfc39ff22db6adf4b81ace42c76a65e40c260375
modelcontextprotocol/modelcontextprotocol#2575https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
feat: support dynamic MCP primitive repositories modelcontextprotocol/java-sdk#953 https://github.com/modelcontextprotocol/java-sdk/pull/953
Add Primitive repository APIs (ResourceRepository, ToolsRepository, ... ) modelcontextprotocol/java-sdk#578 https://github.com/modelcontextprotocol/java-sdk/issues/578
https://github.com/sosh-ncampbell
sosh-ncampbellhttps://github.com/sosh-ncampbell
Jun 22, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#ref-issue-4716988706
MCP-001: Migrate workspace to MCP 2026-07-28 RC spec greysquirr3l/stygian#95 https://github.com/greysquirr3l/stygian/issues/95
https://github.com/localden
localdenhttps://github.com/localden
Jun 26, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#ref-issue-3512066113
MCP specification inconsistent naming format of methods #1642 https://github.com/modelcontextprotocol/modelcontextprotocol/issues/1642
https://github.com/felixweinberger
felixweinbergerhttps://github.com/felixweinberger
Jun 26, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#ref-pullrequest-4650383987
Implement MCP 2026-07-28 modelcontextprotocol/typescript-sdk#2286 https://github.com/modelcontextprotocol/typescript-sdk/pull/2286
https://github.com/localden
localdenhttps://github.com/localden
Jun 26, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#ref-pullrequest-3278842874
Schema: Add missing types SubscribeResult, UnsubscribeResult, PingResult, SetLevelResult #1266 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/1266
docs: drop references to the MCP initialization handshake (SEP-2575) modelcontextprotocol/experimental-ext-server-card#37 https://github.com/modelcontextprotocol/experimental-ext-server-card/pull/37
docs: refactor MCP mapping appendix to Server Cards + align with MCP spec Agent-Card/ai-catalog#53 https://github.com/Agent-Card/ai-catalog/pull/53
https://github.com/apps/github-actions
github-actionshttps://github.com/apps/github-actions
Jun 29, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#ref-issue-4767370155
[MCP: SEP Tracker] Week of 2026-06-29 jeffhandley/dotnet-vitals-servicing-release-manager#27 https://github.com/jeffhandley/dotnet-vitals-servicing-release-manager/issues/27
Yuan325https://github.com/Yuan325
Jun 29, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#ref-commit-b7a1c18
https://github.com/Yuan325
feat: support SEP-2575 make MCP stateless (https://github.com/googleapis/mcp-toolbox/commit/b7a1c188c9f87237beb4f55169a823e62914131e
#3211https://github.com/googleapis/mcp-toolbox/pull/3211
)https://github.com/googleapis/mcp-toolbox/commit/b7a1c188c9f87237beb4f55169a823e62914131e
b7a1c18https://github.com/googleapis/mcp-toolbox/commit/b7a1c188c9f87237beb4f55169a823e62914131e
modelcontextprotocol/modelcontextprotocol#2575https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
https://github.com/koic
koichttps://github.com/koic
Jul 3, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#ref-pullrequest-4805299642
Add server/discover and stateless lifecycle error codes per SEP-2575 modelcontextprotocol/ruby-sdk#438 https://github.com/modelcontextprotocol/ruby-sdk/pull/438
https://github.com/cjimti
cjimtihttps://github.com/cjimti
Jul 5, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#ref-issue-4811312663
platform: mint an explicit session handle from platform_info and require it on all tool calls (MCP 2026-07-28 sessionless readiness) txn2/mcp-data-platform#792 https://github.com/txn2/mcp-data-platform/issues/792
koichttps://github.com/koic
Jul 9, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575#ref-commit-c145876
https://github.com/koic
Add server/discover and stateless lifecycle error codes per SEP-2575https://github.com/modelcontextprotocol/ruby-sdk/commit/c145876bb9a6b8f5e76d48b310ab474bceeb4242
c145876https://github.com/modelcontextprotocol/ruby-sdk/commit/c145876bb9a6b8f5e76d48b310ab474bceeb4242
modelcontextprotocol/modelcontextprotocol#2575https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
#389https://github.com/modelcontextprotocol/ruby-sdk/issues/389
https://github.co/hiddenchars
https://github.com/modelcontextprotocol/modelcontextprotocol/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%2Fmodelcontextprotocol%2Fpull%2F2575
https://github.com/pja-ant
pja-ant https://github.com/pja-ant
https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files/d6b27640210e95b0f67939dd32f0ef7c74e38814
https://github.com/jonathanhefner
jonathanhefner https://github.com/jonathanhefner
https://github.com/ggoodman
ggoodman https://github.com/ggoodman
https://github.com/SamMorrowDrums
SamMorrowDrums https://github.com/SamMorrowDrums
https://github.com/dsp-ant
dsp-ant https://github.com/dsp-ant
https://github.com/pcarleton
pcarleton https://github.com/pcarleton
https://github.com/CaitieM20
CaitieM20 https://github.com/CaitieM20
https://github.com/Randgalt
Randgalt https://github.com/Randgalt
https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files/0cc12456a6a1bd9454bd87cc98b91eb85ad970a4
https://github.com/kristof-mattei
kristof-mattei https://github.com/kristof-mattei
https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files/3a8dd6e3d27885a12810c4037a8dd3d07745af0d
https://github.com/yarolegovich
yarolegovich https://github.com/yarolegovich
https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files/3a8dd6e3d27885a12810c4037a8dd3d07745af0d
https://github.com/markdroth
markdroth https://github.com/markdroth
https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files/c1b65faeb94cbf008ac6bdfdb15f3e2d96e7c0c5
https://github.com/LucaButBoring
LucaButBoring https://github.com/LucaButBoring
https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575/files/3a8dd6e3d27885a12810c4037a8dd3d07745af0d
https://github.com/kurtisvg
kurtisvg https://github.com/kurtisvg
documentation https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3Adocumentation
final https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3Afinal
roadmap/transport https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3Aroadmap%2Ftransport
SEP https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3ASEP
transport https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3Atransport
2026-07-28 Spec Implementation https://github.com/orgs/modelcontextprotocol/projects/41
SEP Review Pipeline https://github.com/orgs/modelcontextprotocol/projects/12
2026-07-28-RC https://github.com/modelcontextprotocol/modelcontextprotocol/milestone/4
SEP-1442: Make MCP Stateless (by default) https://github.com/modelcontextprotocol/modelcontextprotocol/issues/1442
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
https://github.com/kurtisvg
https://github.com/pja-ant
https://github.com/dawid-nowak
https://github.com/prezaei
https://github.com/maciej-kisiel
https://github.com/Patdolitse
https://github.com/mkouba
https://github.com/ggoodman
https://github.com/Randgalt
https://github.com/pcarleton
https://github.com/jonathanhefner
https://github.com/kristof-mattei
https://github.com/CaitieM20
https://github.com/SamMorrowDrums
https://github.com/yarolegovich
https://github.com/markdroth
https://github.com/LucaButBoring
https://github.com/dsp-ant
https://github.com/localden
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.