diff --git a/.rubocop.yml b/.rubocop.yml
index e0a360b6..e612c952 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -10,6 +10,10 @@ AllCops:
   SuggestExtensions: false
   TargetRubyVersion: 3.1.0
 
+# Whether MFA is required or not should be left to the token configuration
+Gemspec/RequireMFA:
+  Enabled: false
+
 # Don't require this extra line break, it can be excessive.
 Layout/EmptyLineAfterGuardClause:
   Enabled: false
diff --git a/lib/openai/base_page.rb b/lib/openai/base_page.rb
index c8a9058a..3892c2bc 100644
--- a/lib/openai/base_page.rb
+++ b/lib/openai/base_page.rb
@@ -28,6 +28,8 @@ module OpenAI
   # completions => Array
   # ```
   module BasePage
+    # rubocop:disable Lint/UnusedMethodArgument
+
     # @return [Boolean]
     def next_page? = (raise NotImplementedError)
 
@@ -56,5 +58,7 @@ def initialize(client:, req:, headers:, page_data:)
       @req = req
       super()
     end
+
+    # rubocop:enable Lint/UnusedMethodArgument
   end
 end
diff --git a/lib/openai/util.rb b/lib/openai/util.rb
index ef208d81..552fc640 100644
--- a/lib/openai/util.rb
+++ b/lib/openai/util.rb
@@ -452,6 +452,7 @@ def string_io(&blk)
     end
 
     class << self
+      # rubocop:disable Naming/MethodParameterName
       # @api private
       #
       # @param y [Enumerator::Yielder]
@@ -489,6 +490,7 @@ class << self
         end
         y << "\r\n"
       end
+      # rubocop:enable Naming/MethodParameterName
 
       # @api private
       #
diff --git a/openai.gemspec b/openai.gemspec
index e9cdbc7b..60a53a67 100644
--- a/openai.gemspec
+++ b/openai.gemspec
@@ -15,5 +15,5 @@ Gem::Specification.new do |s|
   s.homepage = "https://gemdocs.org/gems/openai"
   s.metadata["homepage_uri"] = s.homepage
   s.metadata["source_code_uri"] = "https://github.com/openai/openai-ruby"
-  s.metadata["rubygems_mfa_required"] = "false"
+  s.metadata["rubygems_mfa_required"] = false.to_s
 end
diff --git a/rbi/lib/openai/base_model.rbi b/rbi/lib/openai/base_model.rbi
index 11854971..4b5b673d 100644
--- a/rbi/lib/openai/base_model.rbi
+++ b/rbi/lib/openai/base_model.rbi
@@ -310,6 +310,20 @@ module OpenAI
 
     Elem = type_member(:out)
 
+    sig(:final) do
+      params(
+        type_info: T.any(
+          T::Hash[Symbol, T.anything],
+          T.proc.returns(OpenAI::Converter::Input),
+          OpenAI::Converter::Input
+        ),
+        spec: T::Hash[Symbol, T.anything]
+      )
+        .returns(T.attached_class)
+    end
+    def self.[](type_info, spec = {})
+    end
+
     sig(:final) { params(other: T.anything).returns(T::Boolean) }
     def ===(other)
     end
@@ -360,9 +374,9 @@ module OpenAI
         ),
         spec: T::Hash[Symbol, T.anything]
       )
-        .returns(T.attached_class)
+        .void
     end
-    def self.new(type_info, spec = {})
+    def initialize(type_info, spec = {})
     end
   end
 
@@ -377,6 +391,20 @@ module OpenAI
 
     Elem = type_member(:out)
 
+    sig(:final) do
+      params(
+        type_info: T.any(
+          T::Hash[Symbol, T.anything],
+          T.proc.returns(OpenAI::Converter::Input),
+          OpenAI::Converter::Input
+        ),
+        spec: T::Hash[Symbol, T.anything]
+      )
+        .returns(T.attached_class)
+    end
+    def self.[](type_info, spec = {})
+    end
+
     sig(:final) { params(other: T.anything).returns(T::Boolean) }
     def ===(other)
     end
@@ -427,9 +455,9 @@ module OpenAI
         ),
         spec: T::Hash[Symbol, T.anything]
       )
-        .returns(T.attached_class)
+        .void
     end
-    def self.new(type_info, spec = {})
+    def initialize(type_info, spec = {})
     end
   end
 
diff --git a/rbi/lib/openai/cursor_page.rbi b/rbi/lib/openai/cursor_page.rbi
index c40bab43..261ed7d6 100644
--- a/rbi/lib/openai/cursor_page.rbi
+++ b/rbi/lib/openai/cursor_page.rbi
@@ -21,5 +21,9 @@ module OpenAI
     sig { params(_: T::Boolean).returns(T::Boolean) }
     def has_more=(_)
     end
+
+    sig { returns(String) }
+    def inspect
+    end
   end
 end
diff --git a/rbi/lib/openai/page.rbi b/rbi/lib/openai/page.rbi
index a738bab8..41e78793 100644
--- a/rbi/lib/openai/page.rbi
+++ b/rbi/lib/openai/page.rbi
@@ -21,5 +21,9 @@ module OpenAI
     sig { params(_: String).returns(String) }
     def object=(_)
     end
+
+    sig { returns(String) }
+    def inspect
+    end
   end
 end
diff --git a/sig/openai/base_model.rbs b/sig/openai/base_model.rbs
index d9267814..581a545f 100644
--- a/sig/openai/base_model.rbs
+++ b/sig/openai/base_model.rbs
@@ -121,6 +121,13 @@ module OpenAI
   class ArrayOf[Elem]
     include OpenAI::Converter
 
+    def self.[]: (
+      ::Hash[Symbol, top]
+      | ^-> OpenAI::Converter::input
+      | OpenAI::Converter::input type_info,
+      ?::Hash[Symbol, top] spec
+    ) -> instance
+
     def ===: (top other) -> bool
 
     def ==: (top other) -> bool
@@ -146,6 +153,13 @@ module OpenAI
   class HashOf[Elem]
     include OpenAI::Converter
 
+    def self.[]: (
+      ::Hash[Symbol, top]
+      | ^-> OpenAI::Converter::input
+      | OpenAI::Converter::input type_info,
+      ?::Hash[Symbol, top] spec
+    ) -> instance
+
     def ===: (top other) -> bool
 
     def ==: (top other) -> bool
diff --git a/sig/openai/cursor_page.rbs b/sig/openai/cursor_page.rbs
index 5aa7c659..4bf87e3a 100644
--- a/sig/openai/cursor_page.rbs
+++ b/sig/openai/cursor_page.rbs
@@ -5,5 +5,7 @@ module OpenAI
     attr_accessor data: ::Array[Elem]?
 
     attr_accessor has_more: bool
+
+    def inspect: -> String
   end
 end
diff --git a/sig/openai/page.rbs b/sig/openai/page.rbs
index 420e2716..0159e75d 100644
--- a/sig/openai/page.rbs
+++ b/sig/openai/page.rbs
@@ -5,5 +5,7 @@ module OpenAI
     attr_accessor data: ::Array[Elem]?
 
     attr_accessor object: String
+
+    def inspect: -> String
   end
 end