Add isToolVisibilityModelOnly and isToolVisibilityAppOnly helper functions
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matteo8p
commented
Jan 17, 2026
| export function getToolUiResourceUri(tool: Partial<Tool>): string | undefined { | ||
| // Try new nested format first: _meta.ui.resourceUri | ||
| const uiMeta = tool._meta?.ui as { resourceUri?: unknown } | undefined; | ||
| const uiMeta = tool._meta?.ui as McpUiToolMeta | undefined; |
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This is actual type from the SEP and SDK.
@modelcontextprotocol/ext-apps
@modelcontextprotocol/server-basic-react
@modelcontextprotocol/server-basic-vanillajs
@modelcontextprotocol/server-budget-allocator
@modelcontextprotocol/server-cohort-heatmap
@modelcontextprotocol/server-customer-segmentation
@modelcontextprotocol/server-map
@modelcontextprotocol/server-pdf
@modelcontextprotocol/server-scenario-modeler
@modelcontextprotocol/server-shadertoy
@modelcontextprotocol/server-sheet-music
@modelcontextprotocol/server-system-monitor
@modelcontextprotocol/server-threejs
@modelcontextprotocol/server-transcript
@modelcontextprotocol/server-video-resource
@modelcontextprotocol/server-wiki-explorer
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We create two helper functions
isToolVisibilityModelOnlyandisToolVisibilityAppOnlythat checks for a Tool's visibility metadata.This is helpful for client developers to check tool visibility.
Motivation and Context
We create an easy way to check a tool's visibility. These functions are a good abstraction:
["app"]and["model"].Toolobject. Developer doesn't have to remember where visibility metadata lives.How Has This Been Tested?
Wrote test cases
Breaking Changes
No
Types of changes
Checklist
Additional context
NA