docs: update MCP Apps blog post terminology and add toolInputs streaming info#6904
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…ing info - Rename 'Guest UI' and 'widget' to 'View' to match official MCP Apps terminology - Add note about toolInputs being streamed to View before tool execution completes
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Pull request overview
This PR updates the MCP Apps blog post to align terminology with the current MCP Apps spec and clarifies how toolInputs streaming can be used for better loading states in Views.
Changes:
- Renamed references from "Guest UI"/"widget" to "View" in the prose and dialogue examples to match official MCP Apps terminology.
- Updated "widget hydration" to "View hydration" and clarified that the React side "View" is being hydrated.
- Added an explanation in Tip 3 that
toolInputsare sent/streamed into the View before tool execution completes, enabling partial loading states.
dianed-square
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Feb 2, 2026
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…ing info (block#6904) Signed-off-by: Harrison <hcstebbins@gmail.com>
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Summary
Updates the '5 Tips for Building MCP Apps That Work' blog post with two corrections:
Changes
Renamed 'Guest UI' / 'widget' to 'View' - This is now the official terminology in the MCP Apps spec
Added toolInputs streaming info to Tip 3 - Added a note explaining that
toolInputsare sent/streamed into the View even before tool execution completes, enabling partial loading statesNote
Code example file names (like
cocktail-recipe-widget.html) were intentionally left unchanged as they are just example paths, not terminology.