Internal Release 0.7.0

- add support for resource templates
- improve capability negotiation on handlers
- clean up readme
- reduce default protocol version to "2024-11-05"
- address spec compliance of resources
- add debug gem to development
- alias ModelContextProtocol to MCP
- move prompt subclasses to subdir
- improve tool and prompt definition
- improve passing of server context to tools
- improve tool input schema validation

lib/model_context_protocol/tool/annotations.rb

@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+module ModelContextProtocol
+  class Tool
+    class Annotations
+      attr_reader :title, :read_only_hint, :destructive_hint, :idempotent_hint, :open_world_hint
+
+      def initialize(title: nil, read_only_hint: nil, destructive_hint: nil, idempotent_hint: nil, open_world_hint: nil)
+        @title = title
+        @read_only_hint = read_only_hint
+        @destructive_hint = destructive_hint
+        @idempotent_hint = idempotent_hint
+        @open_world_hint = open_world_hint
+      end
+
+      def to_h
+        {
+          title:,
+          readOnlyHint: read_only_hint,
+          destructiveHint: destructive_hint,
+          idempotentHint: idempotent_hint,
+          openWorldHint: open_world_hint,
+        }.compact
+      end
+    end
+  end
+end

lib/model_context_protocol/tool/input_schema.rb

@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+module ModelContextProtocol
+  class Tool
+    class InputSchema
+      attr_reader :properties, :required
+
+      def initialize(properties: {}, required: [])
+        @properties = properties
+        @required = required.map(&:to_sym)
+      end
+
+      def to_h
+        { type: "object", properties:, required: }
+      end
+
+      def missing_required_arguments?(arguments)
+        missing_required_arguments(arguments).any?
+      end
+
+      def missing_required_arguments(arguments)
+        (required - arguments.keys.map(&:to_sym))
+      end
+    end
+  end
+end

lib/model_context_protocol/tool/response.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module ModelContextProtocol
+  class Tool
+    class Response
+      attr_reader :content, :is_error
+
+      def initialize(content, is_error = false)
+        @content = content
+        @is_error = is_error
+      end
+
+      def to_h
+        { content:, isError: is_error }.compact
+      end
+    end
+  end
+end