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Title: SEP-2663: Tasks Extension by LucaButBoring · Pull Request #2663 · modelcontextprotocol/modelcontextprotocol · GitHub

Open Graph Title: SEP-2663: Tasks Extension by LucaButBoring · Pull Request #2663 · modelcontextprotocol/modelcontextprotocol

X Title: SEP-2663: Tasks Extension by LucaButBoring · Pull Request #2663 · modelcontextprotocol/modelcontextprotocol

Description: Specification and documentation for the Model Context Protocol - SEP-2663: Tasks Extension by LucaButBoring · Pull Request #2663 · modelcontextprotocol/modelcontextprotocol

Open Graph Description: This SEP defines an extension that allows a server respond to a tools/call request with an asynchronous task handle instead of a final result, allowing the client to retrieve the eventual result by...

X Description: This SEP defines an extension that allows a server respond to a tools/call request with an asynchronous task handle instead of a final result, allowing the client to retrieve the eventual result by...

Opengraph URL: https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2663

X: @github

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Domain: github.com

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https://github.com/LucaButBoring
SEP-2663: Append units to duration fieldshttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2663/commits/d3ad5099b14e67064182d7574beb2b05c02448c6
d3ad509https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2663/commits/d3ad5099b14e67064182d7574beb2b05c02448c6
fix(SEP-2663): specify -32003 error for missing client capability #2756 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2756
fix(SEP-2322): Explicitly support extending ResultType #2773 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2773
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May 22, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2663#pullrequestreview-4348949784
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May 22, 2026https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2663#discussion_r3291315007
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yoyo-evolvehttps://github.com/apps/yoyo-evolve
May 25, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2663#ref-issue-4515434220
Research: Adopt MCP Tasks Extension (SEP-2663) for long-running operations yologdev/yopedia#172 https://github.com/yologdev/yopedia/issues/172
[2026-07-28] Extensions framework + Tasks + MCP Apps modelcontextprotocol/php-sdk#335 https://github.com/modelcontextprotocol/php-sdk/issues/335
[Schema] SEP-2663 Tasks: Task shape, resultType discriminator, tasks/* request/result types modelcontextprotocol/php-sdk#345 https://github.com/modelcontextprotocol/php-sdk/issues/345
[Server] SEP-2663 Tasks: Extension registration, capability negotiation, tasks/* handlers modelcontextprotocol/php-sdk#346 https://github.com/modelcontextprotocol/php-sdk/issues/346
[Server] SEP-2663 Tasks: TaskStoreInterface with InMemory default and DoS limits modelcontextprotocol/php-sdk#347 https://github.com/modelcontextprotocol/php-sdk/issues/347
[Server][Capability] SEP-2663 Tasks: Tool handlers can return task handles; long-running execution model modelcontextprotocol/php-sdk#348 https://github.com/modelcontextprotocol/php-sdk/issues/348
[Server] SEP-2663 Tasks: Pipe server-to-client requests through tasks/update responses (SEP-2260 compliance) modelcontextprotocol/php-sdk#349 https://github.com/modelcontextprotocol/php-sdk/issues/349
[Schema][Server][SEP-1686] Tasks modelcontextprotocol/php-sdk#139 https://github.com/modelcontextprotocol/php-sdk/issues/139
https://github.com/joshrotenberg
joshrotenberghttps://github.com/joshrotenberg
May 27, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2663#ref-issue-4535809234
feat(tasks): repackage as official extension per SEP-2663 joshrotenberg/tower-mcp#815 https://github.com/joshrotenberg/tower-mcp/issues/815
https://github.com/maxisbey
maxisbeyhttps://github.com/maxisbey
May 29, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2663#ref-pullrequest-4547101092
Remove Tasks (SEP-1686) from the SDK modelcontextprotocol/python-sdk#2714 https://github.com/modelcontextprotocol/python-sdk/pull/2714
https://github.com/felixweinberger
felixweinbergerhttps://github.com/felixweinberger
May 29, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2663#ref-issue-4547537074
Implement SEP-2663: Tasks Extension modelcontextprotocol/typescript-sdk#2189 https://github.com/modelcontextprotocol/typescript-sdk/issues/2189
https://github.com/alexhancock
alexhancockhttps://github.com/alexhancock
Jun 2, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2663#ref-issue-4573023211
Implement SEP-2663: Tasks Extension modelcontextprotocol/rust-sdk#868 https://github.com/modelcontextprotocol/rust-sdk/issues/868
https://github.com/localden
localdenhttps://github.com/localden
2026-07-28 Spec Implementationhttps://github.com/orgs/modelcontextprotocol/projects/41
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https://github.com/apps/github-project-automation
github-project-automationhttps://github.com/apps/github-project-automation
2026-07-28 Spec Implementationhttps://github.com/orgs/modelcontextprotocol/projects/41
Jun 6, 2026https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2663#event-26416915560
https://github.com/apps/github-project-automation
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2026-07-28 Spec Implementationhttps://github.com/orgs/modelcontextprotocol/projects/41
Jun 6, 2026https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2663#event-26416915667
SEP-2663: Tasks Extension modelcontextprotocol/java-sdk#1013 https://github.com/modelcontextprotocol/java-sdk/issues/1013
Implement SEP-2663: Tasks Extension modelcontextprotocol/kotlin-sdk#817 https://github.com/modelcontextprotocol/kotlin-sdk/issues/817
Implement SEP-2663: Tasks Extension modelcontextprotocol/python-sdk#2806 https://github.com/modelcontextprotocol/python-sdk/issues/2806
SEP-2663: Tasks Extension modelcontextprotocol/ruby-sdk#391 https://github.com/modelcontextprotocol/ruby-sdk/issues/391
Implement SEP-2663: Tasks Extension modelcontextprotocol/swift-sdk#247 https://github.com/modelcontextprotocol/swift-sdk/issues/247
(implementation): SEP-2663 - Tasks Extension #2886 https://github.com/modelcontextprotocol/modelcontextprotocol/issues/2886
https://github.com/0xKoller
0xKollerhttps://github.com/0xKoller
Jun 10, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2663#ref-pullrequest-4633175274
Implement tasks basementstudio/xmcp#589 https://github.com/basementstudio/xmcp/pull/589
https://github.com/sosh-ncampbell
sosh-ncampbellhttps://github.com/sosh-ncampbell
Jun 22, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2663#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
felixweinbergerhttps://github.com/felixweinberger
Jun 26, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2663#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-actionshttps://github.com/apps/github-actions
Jun 29, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2663#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/cbcoutinho
cbcoutinhohttps://github.com/cbcoutinho
Jul 6, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2663#ref-pullrequest-4808741341
feat(documents): opt-in docling VLM pipeline (DOCLING_PIPELINE/DOCLING_VLM_PRESET) cbcoutinho/nextcloud-mcp-server#1024 https://github.com/cbcoutinho/nextcloud-mcp-server/pull/1024
https://github.com/TsuyoshiUshio
TsuyoshiUshiohttps://github.com/TsuyoshiUshio
Jul 10, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2663#ref-issue-4857685145
Proposal: Dynamic workflows for markdown agents Azure/azure-functions-agents-runtime#90 https://github.com/Azure/azure-functions-agents-runtime/issues/90
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