The MCP Apps (SEP-1865) Host role for guuey's chat surfaces — view-mount narrowing across UI channels, ui:// locator rehydration by resources/read, and the sandbox-trust channel contract. Vendor-neutral: any spec-following MCP App mounts through it.
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Attributed to the source that supplied each field. Treated as claims, not facts.
No long description beyond the summary.
Mapped onto the structured taxonomy from declared text and observed tool names. Confidence shown for derived entries.
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