fix(qr-server): Update SDK to 0.3.1 with app-with-deps bundle#247
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fix(qr-server): Update SDK to 0.3.1 with app-with-deps bundle#247
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ochafik
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Jan 12, 2026
examples/qr-server/widget.html
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| app.onhostcontextchanged = handleHostContextChanged; | ||
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| await app.connect(); | ||
| await app.connect(new PostMessageTransport(window.parent, window.parent)); |
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can drop this (and the PostMessageTransport import)
ochafik
previously approved these changes
Jan 12, 2026
@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-scenario-modeler
@modelcontextprotocol/server-system-monitor
@modelcontextprotocol/server-threejs
@modelcontextprotocol/server-wiki-explorer
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- Use app-with-deps export for CDN imports (includes all dependencies) - Fixes widget crash on Claude Desktop/Nest
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ochafik
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Jan 12, 2026
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Summary
Update the qr-server example widget to use the latest SDK version (0.3.1) with the
app-with-depsbundle export.Changes
app-with-depsexport for CDN imports (includes all dependencies bundled)Problem
The previous import from
@0.0.1was outdated and the regular import from newer versions fails in browser because unpkg can't resolve npm dependencies (Zod, MCP SDK, etc.).Solution
The
app-with-depsexport provides a self-contained bundle with all dependencies included, specifically designed for CDN/browser usage.Testing
Tested on Claude Nest - QR code widget now loads and works correctly.