You'll notice
Useful4 Signal2
MCP and plugin tools with loose input schemas now get real data instead of stringified JSON.
What's wrong with this entry?
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What
MCP and plugin tools whose input schema omits type on a property were receiving stringified JSON where the model intended structured data. Such properties are now treated as accepting any type, and a string that decodes to a boolean, number, array or object is parsed.
Details
- The new case applies when a property's schema carries only annotation keywords:
$comment,default,deprecated,description,examples,readOnly,title,writeOnly. - Properties that do declare array, object, boolean, number or integer were already re-parsed and are unchanged.
Evidence
Error normalizing tool input
Strings lifted out of the shipped bundle, so the claim above can be checked against them.