Property Type Overview

type Value	TypeScript Type	Description	Default UI
"string"	PropertyString	String	input (single-line input)
"number"	PropertyNumber	Number (decimal)	number-input
"integer"	PropertyNumber	Integer	number-input
"boolean"	PropertyBoolean	Boolean	switch
"object"	PropertyObject	Nested object	Flat child fields
"array"	PropertyArray	Array	array-section (panel)
"credential_id"	PropertyCredentialId	Credential reference	credential-select
"encrypted_string"	PropertyEncryptedString	Encrypted string	encrypted-input
"file_ref"	PropertyFileReference	File reference (opaque)	input (expression-only, no AI override)
"discriminated_union"	PropertyDiscriminatedUnion	Discriminated union	Selector + variant panel
"resource_locator"	PropertyResourceLocator	Remote resource selector	Mode selector + input / searchable dropdown
"resource_mapper"	PropertyResourceMapper	Remote field mapper	Manual field rows / auto JSON editor

Support by plugin type:

• Tool: All types except encrypted_string and discriminated_union.
• Credential: string, number, integer, boolean, encrypted_string.