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Title: SEP-2631: File Objects and Transfer by caseychow-oai · Pull Request #2631 · modelcontextprotocol/modelcontextprotocol · GitHub

Open Graph Title: SEP-2631: File Objects and Transfer by caseychow-oai · Pull Request #2631 · modelcontextprotocol/modelcontextprotocol

X Title: SEP-2631: File Objects and Transfer by caseychow-oai · Pull Request #2631 · modelcontextprotocol/modelcontextprotocol

Description: Specification and documentation for the Model Context Protocol - SEP-2631: File Objects and Transfer by caseychow-oai · Pull Request #2631 · modelcontextprotocol/modelcontextprotocol

Open Graph Description: Summary This PR introduces SEP-2631 for first-class MCP file transfer. It builds on SEP-2356's x-mcp-file input declaration model, keeps file-valued inputs as URI strings, and adds out-of-band ...

X Description: Summary This PR introduces SEP-2631 for first-class MCP file transfer. It builds on SEP-2356's x-mcp-file input declaration model, keeps file-valued inputs as URI strings, and adds out-of-b...

Opengraph URL: https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2631

X: @github

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og:image:altSummary This PR introduces SEP-2631 for first-class MCP file transfer. It builds on SEP-2356's x-mcp-file input declaration model, keeps file-valued inputs as URI strings, and adds out-of-band ...
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SEP-2631: File Objects and Transferhttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2631#top
caseychow-oaihttps://github.com/caseychow-oai
modelcontextprotocol:mainhttps://github.com/modelcontextprotocol/modelcontextprotocol/tree/main
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caseychow-oaihttps://github.com/caseychow-oai
Apr 22, 2026https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2631#issue-4311860488
Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2631
SEP-2356: Declarative file inputshttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2356
SEP-2575: Make MCP Statelesshttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2575
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Please reload this pagehttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2631
https://github.com/caseychow-oai
caseychow-oaihttps://github.com/caseychow-oai
Apr 22, 2026https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2631#event-24772189772
https://github.com/caseychow-oai
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April 23, 2026 19:01https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2631#event-24809553013
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April 23, 2026 19:01https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2631#event-24809557700
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Apr 24, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2631#ref-pullrequest-4321128864
Add caseychow-oai to File Uploads WG modelcontextprotocol/access#105 https://github.com/modelcontextprotocol/access/pull/105
localdenhttps://github.com/localden
Apr 24, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2631#ref-commit-031692f
https://github.com/localden
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https://github.com/caseychow-oai
caseychow-oaihttps://github.com/caseychow-oai
May 7, 2026 17:00https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2631#event-25271549786
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docs(sep-2631): add file digest integrity metadatahttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2631/commits/d86cb962981b8f545f94976f08cd6ab6d3e96923
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docs(seps): refresh generated SEP docshttps://github.com/modelcontextprotocol/modelcontextprotocol/pull/2631/commits/8799c5c1e0eaedd91d4f0d63e3f6cfa5554e3b87
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Jun 26, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2631#ref-pullrequest-4029195445
SEP-2356: File input support for tools and elicitation #2356 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2356
https://github.com/kmonsoe
kmonsoehttps://github.com/kmonsoe
Jun 27, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2631#ref-issue-4597893134
Adopt MCP file-transfer contract when SEP-2631 lands (proper file upload support) getmunin/munin#384 https://github.com/getmunin/munin/issues/384
https://github.com/teng-lin
teng-linhttps://github.com/teng-lin
Jun 29, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2631#ref-issue-4767869971
MCP file transfer: migrate to SEP-2631 (files/authorizeUpload / authorizeDownload) when it lands teng-lin/notebooklm-py#1656 https://github.com/teng-lin/notebooklm-py/issues/1656
https://github.com/teng-lin
teng-linhttps://github.com/teng-lin
Jun 29, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2631#ref-pullrequest-4767946094
docs(adr-0024): point file-transfer migration at SEP-2631 teng-lin/notebooklm-py#1657 https://github.com/teng-lin/notebooklm-py/pull/1657
https://github.com/Wazzup77
Wazzup77https://github.com/Wazzup77
Jul 4, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2631#ref-issue-4424203094
[Feature]: No MCP tool for attaching files to ERPNext documents buildswithpaul/Frappe_Assistant_Core#180 https://github.com/buildswithpaul/Frappe_Assistant_Core/issues/180
https://github.com/localden
localdenhttps://github.com/localden
Jul 14, 2026https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2631#event-27939102650
https://github.co/hiddenchars
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