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Sweep 29 Sep 2026 · 18:10Z Build v2.1.285 506 read Stable v2.1.280 Latest v2.1.285 Next v2.1.285 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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File Uploads Charter changedcommunity/working-groups/file-uploads

Nearest release: v2.1.179, published 2 hours after upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Upstream edited this page at 16 Jun 2026 15:03 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 28 Sep 2026 22:07 UTC.

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5050 
5151## Leadership
5252 
53| Role | Name | Organization | GitHub | Term |
54| ---- | -------------- | ------------ | ---------------------------------------- | ------- |
55| Lead | Den Delimarsky | Anthropic | [@localden](https://github.com/localden) | Initial |
53| Role | Name | Organization | GitHub | Term |
54| - | - | - | - | - |
55| Lead | Den Delimarsky | Anthropic | [@localden](https://github.com/localden) | Initial |
5656 
5757Sponsored by Den Delimarsky ([@localden](https://github.com/localden)) and Nick Cooper
5858([@nickcoai](https://github.com/nickcoai)).
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5959 
6060## Authority & Decision Rights
6161 
62| Decision Type | Authority Level |
63| ----------------------------------- | ------------------------------------------------------ |
64| Meeting logistics & scheduling | WG Leads (autonomous) |
65| Proposal prioritization within WG | WG Leads (autonomous) |
66| SEP triage & closure (in scope) | WG Leads (autonomous, with documented rationale) |
67| Technical design within scope | WG consensus |
68| Spec changes (additive) | WG consensus → Core Maintainer approval |
62| Decision Type | Authority Level |
63| - | - |
64| Meeting logistics & scheduling | WG Leads (autonomous) |
65| Proposal prioritization within WG | WG Leads (autonomous) |
66| SEP triage & closure (in scope) | WG Leads (autonomous, with documented rationale) |
67| Technical design within scope | WG consensus |
68| Spec changes (additive) | WG consensus → Core Maintainer approval |
6969| Spec changes (breaking/fundamental) | WG consensus → Core Maintainer approval + wider review |
70| Scope expansion | Core Maintainer approval required |
71| WG Member approval | WG Member sponsors |
70| Scope expansion | Core Maintainer approval required |
71| WG Member approval | WG Member sponsors |
7272 
7373## Membership
7474 
75| Name | Organization | GitHub | Discord | Level |
76| -------------- | ------------ | ---------------------------------------- | ------- | --------- |
77| Den Delimarsky | Anthropic | [@localden](https://github.com/localden) | | Lead |
78| Nick Cooper | OpenAI | [@nickcoai](https://github.com/nickcoai) | | WG Member |
79| Olivier Chafik | Anthropic | [@ochafik](https://github.com/ochafik) | | WG Member |
75| Name | Organization | GitHub | Discord | Level |
76| - | - | - | - | - |
77| Den Delimarsky | Anthropic | [@localden](https://github.com/localden) | | Lead |
78| Nick Cooper | OpenAI | [@nickcoai](https://github.com/nickcoai) | | WG Member |
79| Olivier Chafik | Anthropic | [@ochafik](https://github.com/ochafik) | | WG Member |
8080 
8181## Operations
8282 
83| Meeting | Frequency | Duration | Purpose |
84| --------------- | --------- | -------- | ------------------------------------- |
85| Working Session | Biweekly | 30 min | Technical discussion, proposal review |
83| Meeting | Frequency | Duration | Purpose |
84| - | - | - | - |
85| Working Session | Biweekly | 30 min | Technical discussion, proposal review |
8686 
8787Discord: `#file-uploads-wg`
8888 
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9090 
9191### Active Work Items
9292 
93| Item | Status | Target Date | Champion |
94| ----------------------------------------------------------------------------------------------------------- | ------ | ----------- | -------------------------------------- |
95| [SEP-2356: Declarative file inputs](https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2356) | Draft | End May | [@ochafik](https://github.com/ochafik) |
96| TypeScript SDK reference implementation | — | End May | [@ochafik](https://github.com/ochafik) |
97| Reference implementation in a second Tier-1 SDK | — | End June | TBD |
93| Item | Status | Target Date | Champion |
94| - | - | - | - |
95| [SEP-2356: Declarative file inputs](https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2356) | Draft | End May | [@ochafik](https://github.com/ochafik) |
96| TypeScript SDK reference implementation | — | End May | [@ochafik](https://github.com/ochafik) |
97| Reference implementation in a second Tier-1 SDK | — | End June | TBD |
9898 
9999### Success Criteria
100100 
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105105 
106106## Changelog
107107 
108| Date | Change |
109| ---------- | --------------- |
108| Date | Change |
109| - | - |
110110| 2026-04-23 | Initial charter |
111111 
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