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Fix sandbox proxy ready detection in simple-host example - #47

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ochafik merged 1 commit into
modelcontextprotocol:mainfrom
jonathanhefner:fix-demo
Dec 1, 2025
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Fix sandbox proxy ready detection in simple-host example#47
ochafik merged 1 commit into
modelcontextprotocol:mainfrom
jonathanhefner:fix-demo

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@jonathanhefner

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Replace Zod schema's internal _def.value access with a direct string literal. The previous approach failed due to multiple Zod instances being bundled, causing schema.shape.method._def.value to return undefined.

The fix uses a typed string constant that provides compile-time safety via McpUiSandboxProxyReadyNotification["method"] while avoiding runtime dependency on Zod internals.

🤖 Generated with Claude Code

Replace Zod schema's internal _def.value access with a direct string
literal. The previous approach failed due to multiple Zod instances
being bundled, causing schema.shape.method._def.value to return
undefined.

The fix uses a typed string constant that provides compile-time safety
via McpUiSandboxProxyReadyNotification["method"] while avoiding runtime
dependency on Zod internals.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
@ochafik
ochafik merged commit 484768c into modelcontextprotocol:main Dec 1, 2025
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2 participants