| 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:b074e93e-d0c3-2c90-1c15-61ee60bc384f |
| current-catalog-service-hash | ae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b |
| request-id | CBF2:A599D:278D34A:35756E7:6A59B7D7 |
| html-safe-nonce | cb50ed2747ca97a44e1286b8523f8db8c50cf4911503dca6ad90bcc7261112fe |
| visitor-payload | eyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJDQkYyOkE1OTlEOjI3OEQzNEE6MzU3NTZFNzo2QTU5QjdENyIsInZpc2l0b3JfaWQiOiI0NzIwOTM3OTcwOTAzMzk4MzU5IiwicmVnaW9uX2VkZ2UiOiJpYWQiLCJyZWdpb25fcmVuZGVyIjoiaWFkIn0= |
| visitor-hmac | 26705d7ed59d20b7321e724dcaa46eefc9e42fdbf8f8990ba7f8f30c0f86b86d |
| hovercard-subject-tag | pull_request:3510460608 |
| 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/modelcontextprotocol/2549/pull_request_layout |
| twitter:image | https://opengraph.githubassets.com/61171092ad68e9ea7c085f7bf5cf555b441fcd407b3e8b5a052711cdc32d9448/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| twitter:card | summary_large_image |
| og:image | https://opengraph.githubassets.com/61171092ad68e9ea7c085f7bf5cf555b441fcd407b3e8b5a052711cdc32d9448/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| og:image:alt | Motivation and Context
This SEP proposes adding fields to support caching result objects returned by tools/list, prompts/list, resources/list, resources/read, and resources/templates/list. Two fiel... |
| og:image:width | 1200 |
| og:image:height | 600 |
| og:site_name | GitHub |
| og:type | object |
| og:author:username | CaitieM20 |
| hostname | github.com |
| expected-hostname | github.com |
| None | ba3976babb66479b1c943a8edc0777d96157da48fadc0161f9ddb219deee8353 |
| turbo-cache-control | no-cache |
| go-import | github.com/modelcontextprotocol/modelcontextprotocol git https://github.com/modelcontextprotocol/modelcontextprotocol.git |
| octolytics-dimension-user_id | 182288589 |
| octolytics-dimension-user_login | modelcontextprotocol |
| octolytics-dimension-repository_id | 862570523 |
| octolytics-dimension-repository_nwo | modelcontextprotocol/modelcontextprotocol |
| octolytics-dimension-repository_public | true |
| octolytics-dimension-repository_is_fork | false |
| octolytics-dimension-repository_network_root_id | 862570523 |
| octolytics-dimension-repository_network_root_nwo | modelcontextprotocol/modelcontextprotocol |
| 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 | ab680789ae4a316cdaf0d5a292a1760140931cc4 |
| ui-target | full |
| theme-color | #1e2327 |
| color-scheme | light dark |
| Skip to content | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#start-of-content |
|
| https://github.com/ |
|
Sign in
| https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmodelcontextprotocol%2Fmodelcontextprotocol%2Fpull%2F2549 |
| 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%2Fmodelcontextprotocol%2Fpull%2F2549 |
|
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 |
| Reload | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| Reload | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| Reload | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
|
modelcontextprotocol
| https://github.com/modelcontextprotocol |
| modelcontextprotocol | https://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
80
| 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 |
| CaitieM20 | https://github.com/CaitieM20 |
| modelcontextprotocol:main | https://github.com/modelcontextprotocol/modelcontextprotocol/tree/main |
| CaitieM20:ttlSEP | https://github.com/CaitieM20/modelcontextprotocol/tree/ttlSEP |
| Conversation | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| Commits28 (28) | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/commits |
| Checks | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/checks |
| Files changed | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files |
| SEP-2549: TTL for List Results | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#top |
| CaitieM20 | https://github.com/CaitieM20 |
| modelcontextprotocol:main | https://github.com/modelcontextprotocol/modelcontextprotocol/tree/main |
| CaitieM20:ttlSEP | https://github.com/CaitieM20/modelcontextprotocol/tree/ttlSEP |
|
| https://github.com/CaitieM20 |
| CaitieM20 | https://github.com/CaitieM20 |
| Apr 9, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#issue-4234553623 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| MCP Documentation | https://modelcontextprotocol.io |
| feat: add conformance Tests for SEP-2549: TTL for List Results conformance#275 | https://github.com/modelcontextprotocol/conformance/pull/275 |
| blob post | https://blog.modelcontextprotocol.io/posts/2025-12-19-mcp-transport-future/ |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| CaitieM20 | https://github.com/CaitieM20 |
| April 9, 2026 11:02 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#commits-pushed-7c13089 |
|
| https://github.com/CaitieM20 |
| ttl sep | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/commits/7c130893e542c87f1252f95a2c129f02eeab21ce |
| 7c13089 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/commits/7c130893e542c87f1252f95a2c129f02eeab21ce |
|
| https://github.com/CaitieM20 |
| rename | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/commits/c7c25e436793f95f311051f55af92606025ac11d |
| c7c25e4 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/commits/c7c25e436793f95f311051f55af92606025ac11d |
|
| https://github.com/CaitieM20 |
| update examples | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/commits/e94f2862c999e91f1ecf64451b47b9a1f44777db |
| e94f286 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/commits/e94f2862c999e91f1ecf64451b47b9a1f44777db |
| https://github.com/CaitieM20 |
| CaitieM20 | https://github.com/CaitieM20 |
| code owner | https://github.com/modelcontextprotocol/modelcontextprotocol/blob/a0d7bf599d56dfc0c73a2752dc68995bf0e72bb8/.github/CODEOWNERS#L7 |
| April 9, 2026 19:47 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#event-24349400303 |
| https://github.com/CaitieM20 |
| CaitieM20 | https://github.com/CaitieM20 |
| Apr 9, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#event-24349414754 |
|
| https://github.com/CaitieM20 |
| update SEP number and run docs generation | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/commits/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705 |
| bb38b60 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/commits/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705 |
| https://github.com/CaitieM20 |
| CaitieM20 | https://github.com/CaitieM20 |
| code owner | https://github.com/modelcontextprotocol/modelcontextprotocol/blob/a0d7bf599d56dfc0c73a2752dc68995bf0e72bb8/.github/CODEOWNERS#L4 |
| April 9, 2026 19:50 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#event-24349486029 |
| https://github.com/CaitieM20 |
| CaitieM20 | https://github.com/CaitieM20 |
|
SEP
| https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3ASEP |
|
draft
| https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3Adraft |
| Apr 9, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#event-24349494248 |
| https://github.com/apps/github-project-automation |
| github-project-automation | https://github.com/apps/github-project-automation |
| SEP Review Pipeline | https://github.com/orgs/modelcontextprotocol/projects/12 |
| Apr 9, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#event-24349495743 |
| https://github.com/CaitieM20 |
| CaitieM20 | https://github.com/CaitieM20 |
|
transport
| https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3Atransport |
| Apr 9, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#event-24349501938 |
| https://github.com/CaitieM20 |
| CaitieM20 | https://github.com/CaitieM20 |
| Apr 9, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#event-24349503890 |
| https://github.com/CaitieM20 |
| CaitieM20 | https://github.com/CaitieM20 |
| kurtisvg | https://github.com/kurtisvg |
| April 9, 2026 19:51 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#event-24349513396 |
| https://github.com/pja-ant |
| pja-ant | https://github.com/pja-ant |
|
Apr 9, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#pullrequestreview-4085041959 |
|
View reviewed changes
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705 |
| pja-ant | https://github.com/pja-ant |
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#pullrequestreview-4085041959 |
| Learn more | https://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| docs/seps/2549-TTL-for-list-results.mdx | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-986a26e0b6433d2145568e2f6b63d3ac8a0ef4c13d7225491e8515189123d67a |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| docs/seps/2549-TTL-for-list-results.mdx | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-986a26e0b6433d2145568e2f6b63d3ac8a0ef4c13d7225491e8515189123d67a |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| docs/seps/2549-TTL-for-list-results.mdx | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-986a26e0b6433d2145568e2f6b63d3ac8a0ef4c13d7225491e8515189123d67a |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| docs/seps/2549-TTL-for-list-results.mdx | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-986a26e0b6433d2145568e2f6b63d3ac8a0ef4c13d7225491e8515189123d67a |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| https://github.com/kurtisvg |
| kurtisvg | https://github.com/kurtisvg |
|
Apr 9, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#pullrequestreview-4085380289 |
|
View reviewed changes
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705 |
| docs/seps/2549-TTL-for-list-results.mdx | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-986a26e0b6433d2145568e2f6b63d3ac8a0ef4c13d7225491e8515189123d67a |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| docs/seps/2549-TTL-for-list-results.mdx | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-986a26e0b6433d2145568e2f6b63d3ac8a0ef4c13d7225491e8515189123d67a |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| https://github.com/ggoodman |
| ggoodman | https://github.com/ggoodman |
|
Apr 9, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#ref-pullrequest-3839311087 |
|
SEP-2127: MCP Server Cards - HTTP Server Discovery via .well-known
#2127
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2127 |
| https://github.com/markdroth |
| markdroth | https://github.com/markdroth |
|
Apr 10, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#pullrequestreview-4086253798 |
|
View reviewed changes
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705 |
| markdroth | https://github.com/markdroth |
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#pullrequestreview-4086253798 |
| Learn more | https://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| docs/seps/2549-TTL-for-list-results.mdx | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-986a26e0b6433d2145568e2f6b63d3ac8a0ef4c13d7225491e8515189123d67a |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| docs/seps/2549-TTL-for-list-results.mdx | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-986a26e0b6433d2145568e2f6b63d3ac8a0ef4c13d7225491e8515189123d67a |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| docs/seps/2549-TTL-for-list-results.mdx | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-986a26e0b6433d2145568e2f6b63d3ac8a0ef4c13d7225491e8515189123d67a |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| docs/seps/2549-TTL-for-list-results.mdx | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-986a26e0b6433d2145568e2f6b63d3ac8a0ef4c13d7225491e8515189123d67a |
| markdroth | https://github.com/markdroth |
| Apr 10, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#discussion_r3061385561 |
| Learn more | https://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| CaitieM20 | https://github.com/CaitieM20 |
| Apr 22, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#discussion_r3125269566 |
| Learn more | https://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| docs/seps/2549-TTL-for-list-results.mdx | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-986a26e0b6433d2145568e2f6b63d3ac8a0ef4c13d7225491e8515189123d67a |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| https://github.com/pcarleton |
| pcarleton | https://github.com/pcarleton |
|
Apr 15, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#pullrequestreview-4112905349 |
|
View reviewed changes
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705 |
| docs/seps/2549-TTL-for-list-results.mdx | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-986a26e0b6433d2145568e2f6b63d3ac8a0ef4c13d7225491e8515189123d67a |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| https://github.com/apps/mcp-virtual-tpm |
| mcp-virtual-tpm | https://github.com/apps/mcp-virtual-tpm |
| 2026-06-30-RC | https://github.com/modelcontextprotocol/modelcontextprotocol/milestone/4 |
| Apr 17, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#event-24620925227 |
| https://github.com/LucaButBoring |
| LucaButBoring | https://github.com/LucaButBoring |
|
Apr 20, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#ref-pullrequest-4249874054 |
|
SEP-2557: Adapt Tasks for Stateless & Sessionless Protocol
#2557
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2557 |
| https://github.com/pcarleton |
| pcarleton | https://github.com/pcarleton |
|
Apr 21, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#pullrequestreview-4147210665 |
|
View reviewed changes
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705 |
| docs/seps/2549-TTL-for-list-results.mdx | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-986a26e0b6433d2145568e2f6b63d3ac8a0ef4c13d7225491e8515189123d67a |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| https://github.com/CaitieM20 |
| CaitieM20 | https://github.com/CaitieM20 |
|
roadmap/transport
| https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3Aroadmap%2Ftransport |
|
in-review
| https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3Ain-review |
|
draft
| https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3Adraft |
| Apr 22, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#event-24762695577 |
| https://github.com/LucaButBoring |
| LucaButBoring | https://github.com/LucaButBoring |
|
Apr 23, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#ref-pullrequest-4313727638 |
|
feat: Tasks v2 (SEP-2557) — conformance suite + server implementation
panyam/mcpkit#301
| https://github.com/panyam/mcpkit/pull/301 |
| https://github.com/localden |
| localden | https://github.com/localden |
| SEP Review Pipeline | https://github.com/orgs/modelcontextprotocol/projects/12 |
| Apr 24, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#event-24818938155 |
| https://github.com/panyam |
| panyam | https://github.com/panyam |
|
Apr 28, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#ref-issue-4345647286 |
|
SEP-2549: TTL for list results
panyam/mcpkit#314
| https://github.com/panyam/mcpkit/issues/314 |
| https://github.com/localden |
| localden | https://github.com/localden |
| SEP Review Pipeline | https://github.com/orgs/modelcontextprotocol/projects/12 |
| Apr 28, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#event-24969168989 |
| https://github.com/localden |
| localden | https://github.com/localden |
|
Apr 29, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#pullrequestreview-4193839117 |
|
View reviewed changes
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705 |
| seps/2549-TTL-for-list-results.md | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-c6a60c0446b2b770c44517fa8d3a847b58ac5e3be2379a6160ab963e123afd63 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| seps/2549-TTL-for-list-results.md | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-c6a60c0446b2b770c44517fa8d3a847b58ac5e3be2379a6160ab963e123afd63 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| seps/2549-TTL-for-list-results.md | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-c6a60c0446b2b770c44517fa8d3a847b58ac5e3be2379a6160ab963e123afd63 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| seps/2549-TTL-for-list-results.md | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-c6a60c0446b2b770c44517fa8d3a847b58ac5e3be2379a6160ab963e123afd63 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| seps/2549-TTL-for-list-results.md | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-c6a60c0446b2b770c44517fa8d3a847b58ac5e3be2379a6160ab963e123afd63 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| seps/2549-TTL-for-list-results.md | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-c6a60c0446b2b770c44517fa8d3a847b58ac5e3be2379a6160ab963e123afd63 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| seps/2549-TTL-for-list-results.md | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-c6a60c0446b2b770c44517fa8d3a847b58ac5e3be2379a6160ab963e123afd63 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| seps/2549-TTL-for-list-results.md | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705#diff-c6a60c0446b2b770c44517fa8d3a847b58ac5e3be2379a6160ab963e123afd63 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| https://github.com/mikekistler |
| mikekistler | https://github.com/mikekistler |
|
Apr 30, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#ref-issue-4354468114 |
|
2026-07-28 Spec Compliance
modelcontextprotocol/csharp-sdk#1539
| https://github.com/modelcontextprotocol/csharp-sdk/issues/1539 |
|
| https://github.com/CaitieM20 |
| fix prettier | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/commits/f06099ded059865fe453785f1d066a3b288dabfc |
| f06099d | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/commits/f06099ded059865fe453785f1d066a3b288dabfc |
| https://github.com/pja-ant |
| pja-ant | https://github.com/pja-ant |
|
May 15, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#pullrequestreview-4297371333 |
|
View reviewed changes
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/f06099ded059865fe453785f1d066a3b288dabfc |
| https://github.com/kurtisvg |
| kurtisvg | https://github.com/kurtisvg |
|
May 15, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#pullrequestreview-4298647887 |
|
View reviewed changes
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/f06099ded059865fe453785f1d066a3b288dabfc |
| docs/seps/2549-TTL-for-list-results.mdx | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/f06099ded059865fe453785f1d066a3b288dabfc#diff-986a26e0b6433d2145568e2f6b63d3ac8a0ef4c13d7225491e8515189123d67a |
| kurtisvg | https://github.com/kurtisvg |
| May 15, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#discussion_r3248644428 |
| Learn more | https://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| https://github.com/CaitieM20 |
| CaitieM20 | https://github.com/CaitieM20 |
| fa6f851 | https://github.com/modelcontextprotocol/modelcontextprotocol/commit/fa6f851276106d625eb4b3add90067dd43e7273a |
| May 15, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#event-25579761160 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| https://github.com/CaitieM20 |
| CaitieM20 | https://github.com/CaitieM20 |
| May 15, 2026 14:37 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#event-25579764249 |
| https://github.com/CaitieM20 |
| CaitieM20 | https://github.com/CaitieM20 |
|
May 21, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#ref-pullrequest-4498256859 |
|
Fixing doc bugs, missing required fields
#2764
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2764 |
| https://github.com/chelojimenez |
| chelojimenez | https://github.com/chelojimenez |
|
May 24, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#ref-pullrequest-4513336060 |
|
Stateless MCP server scaffold (DRAFT-2026-v1)
MCPJam/mcpjam-stateless#1
| https://github.com/MCPJam/mcpjam-stateless/pull/1 |
|
[2026-07-28] Transport & observability headers/metadata
modelcontextprotocol/php-sdk#336
| https://github.com/modelcontextprotocol/php-sdk/issues/336 |
|
[Server][Schema] SEP-2549: ttlMs and cacheScope on list/read results
modelcontextprotocol/php-sdk#354
| https://github.com/modelcontextprotocol/php-sdk/issues/354 |
| https://github.com/joshrotenberg |
| joshrotenberg | https://github.com/joshrotenberg |
|
May 27, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#ref-issue-4535811928 |
|
feat(router): TTL on list results per SEP-2549
joshrotenberg/tower-mcp#817
| https://github.com/joshrotenberg/tower-mcp/issues/817 |
| https://github.com/felixweinberger |
| felixweinberger | https://github.com/felixweinberger |
|
May 29, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#ref-issue-4547537969 |
|
Implement SEP-2549: TTL for List Results
modelcontextprotocol/typescript-sdk#2191
| https://github.com/modelcontextprotocol/typescript-sdk/issues/2191 |
| https://github.com/alexhancock |
| alexhancock | https://github.com/alexhancock |
|
Jun 2, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#ref-issue-4573026444 |
|
Implement SEP-2549: TTL for List Results
modelcontextprotocol/rust-sdk#875
| https://github.com/modelcontextprotocol/rust-sdk/issues/875 |
| https://github.com/localden |
| localden | https://github.com/localden |
|
final
| https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3Afinal |
|
accepted
| https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3Aaccepted |
| Jun 4, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#event-26317915433 |
| https://github.com/localden |
| localden | https://github.com/localden |
| 2026-07-28 Spec Implementation | https://github.com/orgs/modelcontextprotocol/projects/41 |
| Jun 6, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#event-26416913035 |
| https://github.com/apps/github-project-automation |
| github-project-automation | https://github.com/apps/github-project-automation |
| 2026-07-28 Spec Implementation | https://github.com/orgs/modelcontextprotocol/projects/41 |
| Jun 6, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#event-26416912503 |
|
Implement SEP-2549: TTL for List Results
modelcontextprotocol/go-sdk#994
| https://github.com/modelcontextprotocol/go-sdk/issues/994 |
|
SEP-2549: TTL for List Results
modelcontextprotocol/java-sdk#1009
| https://github.com/modelcontextprotocol/java-sdk/issues/1009 |
|
Implement SEP-2549: TTL for List Results
modelcontextprotocol/kotlin-sdk#813
| https://github.com/modelcontextprotocol/kotlin-sdk/issues/813 |
|
Implement SEP-2549: TTL for List Results
modelcontextprotocol/python-sdk#2802
| https://github.com/modelcontextprotocol/python-sdk/issues/2802 |
|
SEP-2549: TTL for List Results
modelcontextprotocol/ruby-sdk#387
| https://github.com/modelcontextprotocol/ruby-sdk/issues/387 |
|
Implement SEP-2549: TTL for List Results
modelcontextprotocol/swift-sdk#243
| https://github.com/modelcontextprotocol/swift-sdk/issues/243 |
|
(implementation): SEP-2549 - TTL for List Results
#2882
| https://github.com/modelcontextprotocol/modelcontextprotocol/issues/2882 |
| https://github.com/maxisbey |
| maxisbey | https://github.com/maxisbey |
|
Jun 17, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#ref-issue-4682675247 |
|
Caching hints (ttlMs / cacheScope)
modelcontextprotocol/python-sdk#2899
| https://github.com/modelcontextprotocol/python-sdk/issues/2899 |
| https://github.com/sosh-ncampbell |
| sosh-ncampbell | https://github.com/sosh-ncampbell |
|
Jun 22, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#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/felixweinberger |
| felixweinberger | https://github.com/felixweinberger |
|
Jun 26, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#ref-pullrequest-4650383987 |
|
Implement MCP 2026-07-28
modelcontextprotocol/typescript-sdk#2286
| https://github.com/modelcontextprotocol/typescript-sdk/pull/2286 |
| https://github.com/apps/github-actions |
| github-actions | https://github.com/apps/github-actions |
|
Jun 29, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#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 |
| https://github.com/koic |
| koic | https://github.com/koic |
|
Jul 2, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#ref-pullrequest-4792831722 |
|
Add Opt-In ttlMs / cacheScope Cache Hints to List and Read Results per SEP-2549
modelcontextprotocol/ruby-sdk#436
| https://github.com/modelcontextprotocol/ruby-sdk/pull/436 |
| https://github.com/rubambiza |
| rubambiza | https://github.com/rubambiza |
|
Jul 2, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#ref-pullrequest-4213994851 |
|
docs: Tool discovery proposal (XToolInventory CRD)
kubernetes-sigs/kube-agentic-networking#227
| https://github.com/kubernetes-sigs/kube-agentic-networking/pull/227 |
| koic | https://github.com/koic |
|
Jul 9, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549#ref-commit-3339ceb |
|
| https://github.com/koic |
| Add Opt-In ttlMs / cacheScope Cache Hints to List and Read Result… | https://github.com/modelcontextprotocol/ruby-sdk/commit/3339ceb8c17fe0e9613689c8f7b4452b9a7f0f2e |
| 3339ceb | https://github.com/modelcontextprotocol/ruby-sdk/commit/3339ceb8c17fe0e9613689c8f7b4452b9a7f0f2e |
| modelcontextprotocol/modelcontextprotocol#2549 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
| #387 | https://github.com/modelcontextprotocol/ruby-sdk/issues/387 |
| https://github.co/hiddenchars |
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/{{ revealButtonHref }} |
| Sign up for free | https://github.com/join?source=comment-repo |
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|
| https://github.com/pcarleton |
|
pcarleton
| https://github.com/pcarleton |
|
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/9214c7db53b5f662ce8f3284d5a0b2c61f8b278b |
|
| https://github.com/localden |
|
localden
| https://github.com/localden |
|
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705 |
|
| https://github.com/dsp-ant |
|
dsp-ant
| https://github.com/dsp-ant |
|
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705 |
|
| https://github.com/kurtisvg |
|
kurtisvg
| https://github.com/kurtisvg |
|
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/f06099ded059865fe453785f1d066a3b288dabfc |
|
| https://github.com/pja-ant |
|
pja-ant
| https://github.com/pja-ant |
|
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/f06099ded059865fe453785f1d066a3b288dabfc |
|
| https://github.com/markdroth |
|
markdroth
| https://github.com/markdroth |
|
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705 |
|
| https://github.com/gjz22 |
|
gjz22
| https://github.com/gjz22 |
|
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/bb38b602d8124f62fa94e21aa9dbeb40a0b3f705 |
|
| https://github.com/madhaviai |
|
madhaviai
| https://github.com/madhaviai |
|
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549/files/5190b30804cf5bb09b07c5972fc07cbbea38b94a |
|
| https://github.com/CaitieM20 |
|
CaitieM20
| https://github.com/CaitieM20 |
|
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 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2549 |
|
| https://github.com/CaitieM20 |
|
| https://github.com/pja-ant |
|
| https://github.com/dsp-ant |
|
| https://github.com/guglielmo-san |
|
| https://github.com/pcarleton |
|
| https://github.com/markdroth |
|
| https://github.com/kurtisvg |
|
| https://github.com/gjz22 |
|
| https://github.com/madhaviai |
|
| https://github.com/localden |
|
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