kotlin-sdk-core/io.modelcontextprotocol.kotlin.sdk.types/ToolSchema

ToolSchema

data class ToolSchema(val schema: String? = null, val properties: JsonObject? = null, val required: List<String>? = null, val defs: JsonObject? = null)(source)

A JSON Schema for tool input or output parameters.

This is a simplified schema structure that must be of type "object". Defaults to the JSON Schema 2020-12 dialect when no explicit schema ($schema) is provided.

Constructors

ToolSchema

constructor(schema: String? = null, properties: JsonObject? = null, required: List<String>? = null, defs: JsonObject? = null)

Properties

defs

@SerialName(value = "$defs")

val defs: JsonObject?

Optional schema definitions available to references in properties. Serialized as $defs.

properties

val properties: JsonObject?

Optional map of property names to their schema definitions.

required

val required: List<String>?

Optional list of property names that are required.

schema

@SerialName(value = "$schema")

val schema: String?

Optional URI identifying the JSON Schema dialect (e.g., https://json-schema.org/draft/2020-12/schema). Serialized as $schema. When absent, JSON Schema 2020-12 is assumed by default.

type

@EncodeDefault

val type: String

Always "object" for tool schemas.