File Uploads Charter changedcommunity/working-groups/file-uploads
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Upstream edited this page at 28 Sep 2026 22:50 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 23:07 UTC.
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4343* **MCP Apps WG** — embedded app UIs may surface their own file pickers; the descriptor format
4444 should be reusable in that context.
4545* **Security WG** — host-side validation requirements for user-supplied file content (the SEP
46 references [OWASP ASVS V5](https://owasp.org/www-project-application-security-verification-standard/)
46 references [OWASP ASVS V5](https://owasp.org/projects/asvs)
4747 for general upload hygiene).
4848* **Tool Annotations IG** — file input descriptors are a form of input-parameter metadata and should
4949 remain consistent with the broader annotation taxonomy.
No line in this hunk matches that.