feat: add $schema field to ToolSchema per SEP-1613 (#696)

Add optional `$schema` field to `ToolSchema`, establishing JSON Schema
2020-12 as the default dialect per SEP-1613.

closes #422 

## How Has This Been Tested?
unit tests 

## Breaking Changes
none

## Types of changes
- [ ] Bug fix (non-breaking change which fixes an issue)
- [x] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Documentation update

## Checklist
- [x] I have read the [MCP
Documentation](https://modelcontextprotocol.io)
- [x] My code follows the repository's style guidelines
- [x] New and existing tests pass locally
- [x] I have added appropriate error handling
- [x] I have added or updated documentation as needed
This commit is contained in:
Pavel Gorgulov 2026-04-14 13:44:19 +02:00 • committed by GitHub
commit 61fab2ffe0
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@ -5135,17 +5135,19 @@ public final class io/modelcontextprotocol/kotlin/sdk/types/ToolListChangedNotif
public final class io/modelcontextprotocol/kotlin/sdk/types/ToolSchema {
public static final field Companion Lio/modelcontextprotocol/kotlin/sdk/types/ToolSchema$Companion;
public fun <init> ()V
public fun <init> (Lkotlinx/serialization/json/JsonObject;Ljava/util/List;Lkotlinx/serialization/json/JsonObject;)V
public synthetic fun <init> (Lkotlinx/serialization/json/JsonObject;Ljava/util/List;Lkotlinx/serialization/json/JsonObject;ILkotlin/jvm/internal/DefaultConstructorMarker;)V
public final fun component1 ()Lkotlinx/serialization/json/JsonObject;
public final fun component2 ()Ljava/util/List;
public final fun component3 ()Lkotlinx/serialization/json/JsonObject;
public final fun copy (Lkotlinx/serialization/json/JsonObject;Ljava/util/List;Lkotlinx/serialization/json/JsonObject;)Lio/modelcontextprotocol/kotlin/sdk/types/ToolSchema;
public static synthetic fun copy$default (Lio/modelcontextprotocol/kotlin/sdk/types/ToolSchema;Lkotlinx/serialization/json/JsonObject;Ljava/util/List;Lkotlinx/serialization/json/JsonObject;ILjava/lang/Object;)Lio/modelcontextprotocol/kotlin/sdk/types/ToolSchema;
public fun <init> (Ljava/lang/String;Lkotlinx/serialization/json/JsonObject;Ljava/util/List;Lkotlinx/serialization/json/JsonObject;)V
public synthetic fun <init> (Ljava/lang/String;Lkotlinx/serialization/json/JsonObject;Ljava/util/List;Lkotlinx/serialization/json/JsonObject;ILkotlin/jvm/internal/DefaultConstructorMarker;)V
public final fun component1 ()Ljava/lang/String;
public final fun component2 ()Lkotlinx/serialization/json/JsonObject;
public final fun component3 ()Ljava/util/List;
public final fun component4 ()Lkotlinx/serialization/json/JsonObject;
public final fun copy (Ljava/lang/String;Lkotlinx/serialization/json/JsonObject;Ljava/util/List;Lkotlinx/serialization/json/JsonObject;)Lio/modelcontextprotocol/kotlin/sdk/types/ToolSchema;
public static synthetic fun copy$default (Lio/modelcontextprotocol/kotlin/sdk/types/ToolSchema;Ljava/lang/String;Lkotlinx/serialization/json/JsonObject;Ljava/util/List;Lkotlinx/serialization/json/JsonObject;ILjava/lang/Object;)Lio/modelcontextprotocol/kotlin/sdk/types/ToolSchema;
public fun equals (Ljava/lang/Object;)Z
public final fun getDefs ()Lkotlinx/serialization/json/JsonObject;
public final fun getProperties ()Lkotlinx/serialization/json/JsonObject;
public final fun getRequired ()Ljava/util/List;
public final fun getSchema ()Ljava/lang/String;
public final fun getType ()Ljava/lang/String;
public fun hashCode ()I
public fun toString ()Ljava/lang/String;