diff --git a/lib/solargraph/api_map.rb b/lib/solargraph/api_map.rb
index 65b263628..095c156e0 100755
--- a/lib/solargraph/api_map.rb
+++ b/lib/solargraph/api_map.rb
@@ -48,6 +48,15 @@ def hash
       equality_fields.hash
     end
 
+     def to_s
+       self.class.to_s
+     end
+
+     # avoid enormous dump
+     def inspect
+       to_s
+     end
+
     # @param pins [Array<Pin::Base>]
     # @return [self]
     def index pins
diff --git a/lib/solargraph/api_map/cache.rb b/lib/solargraph/api_map/cache.rb
index 1edac7c7c..8fc60b03a 100644
--- a/lib/solargraph/api_map/cache.rb
+++ b/lib/solargraph/api_map/cache.rb
@@ -16,6 +16,15 @@ def initialize
         @clips = {}
       end
 
+      def to_s
+        self.class.to_s
+      end
+
+      # avoid enormous dump
+      def inspect
+        to_s
+      end
+
       # @param fqns [String]
       # @param scope [Symbol]
       # @param visibility [Array<Symbol>]
diff --git a/lib/solargraph/api_map/store.rb b/lib/solargraph/api_map/store.rb
index 2150e9915..3e987d5f1 100644
--- a/lib/solargraph/api_map/store.rb
+++ b/lib/solargraph/api_map/store.rb
@@ -16,6 +16,14 @@ def initialize pins = []
         index
       end
 
+      def to_s
+        self.class.to_s
+      end
+
+      def inspect
+        to_s
+      end
+
       # @param fqns [String]
       # @param visibility [Array<Symbol>]
       # @return [Enumerable<Solargraph::Pin::Base>]
diff --git a/lib/solargraph/complex_type.rb b/lib/solargraph/complex_type.rb
index c9db3ab6e..88563ebfc 100644
--- a/lib/solargraph/complex_type.rb
+++ b/lib/solargraph/complex_type.rb
@@ -154,6 +154,10 @@ def to_s
       map(&:tag).join(', ')
     end
 
+    def desc
+      rooted_tags
+    end
+
     def rooted_tags
       map(&:rooted_tag).join(', ')
     end
diff --git a/lib/solargraph/complex_type/unique_type.rb b/lib/solargraph/complex_type/unique_type.rb
index b51bd5d71..eef6320df 100644
--- a/lib/solargraph/complex_type/unique_type.rb
+++ b/lib/solargraph/complex_type/unique_type.rb
@@ -112,6 +112,10 @@ def rbs_name
         end
       end
 
+      def desc
+        rooted_tags
+      end
+
       # @return [String]
       def to_rbs
         if duck_type?
diff --git a/lib/solargraph/pin/base.rb b/lib/solargraph/pin/base.rb
index 114442481..825a3c286 100644
--- a/lib/solargraph/pin/base.rb
+++ b/lib/solargraph/pin/base.rb
@@ -103,7 +103,7 @@ def symbol_kind
       end
 
       def to_s
-        to_rbs
+        desc
       end
 
       # @return [Boolean]
@@ -276,19 +276,29 @@ def to_rbs
         return_type.to_rbs
       end
 
-      # @return [String, nil]
-      def desc
+      # @return [String]
+      def type_desc
+        rbs = to_rbs
+        # RBS doesn't have a way to represent a Class<x> type
+        rbs = return_type.rooted_tags if return_type.name == 'Class'
         if path
-          if to_rbs
-            path + ' ' + to_rbs
+          if rbs
+            path + ' ' + rbs
           else
             path
           end
         else
-          to_rbs
+          rbs
         end
       end
 
+      # @return [String]
+      def desc
+        closure_info = closure&.desc
+        binder_info = binder&.desc
+        "[#{type_desc}, closure=#{closure_info}, binder=#{binder}"
+      end
+
       def inspect
         "#<#{self.class} `#{self.desc}` at #{self.location.inspect}>"
       end
diff --git a/lib/solargraph/pin/base_variable.rb b/lib/solargraph/pin/base_variable.rb
index 77ee18e3e..e4758ee63 100644
--- a/lib/solargraph/pin/base_variable.rb
+++ b/lib/solargraph/pin/base_variable.rb
@@ -100,8 +100,8 @@ def try_merge! pin
         true
       end
 
-      def desc
-        "#{to_rbs} = #{assignment&.type.inspect}"
+      def type_desc
+        "#{super} = #{assignment&.type.inspect}"
       end
 
       private
diff --git a/lib/solargraph/pin/namespace.rb b/lib/solargraph/pin/namespace.rb
index 2da291961..6158626d8 100644
--- a/lib/solargraph/pin/namespace.rb
+++ b/lib/solargraph/pin/namespace.rb
@@ -48,7 +48,7 @@ def desc
         if name.nil? || name.empty?
           '(top-level)'
         else
-          to_rbs
+          return_type.rooted_tags
         end
       end
 
diff --git a/lib/solargraph/source/chain.rb b/lib/solargraph/source/chain.rb
index 9ae70713c..48b08775c 100644
--- a/lib/solargraph/source/chain.rb
+++ b/lib/solargraph/source/chain.rb
@@ -160,6 +160,14 @@ def nullable?
         links.any?(&:nullable?)
       end
 
+      def desc
+        links.map(&:desc).to_s
+      end
+
+      def to_s
+        desc
+      end
+
       private
 
       # @param pins [::Array<Pin::Base>]
diff --git a/lib/solargraph/source/chain/link.rb b/lib/solargraph/source/chain/link.rb
index ec33f8045..040297d7c 100644
--- a/lib/solargraph/source/chain/link.rb
+++ b/lib/solargraph/source/chain/link.rb
@@ -31,8 +31,17 @@ def resolve api_map, name_pin, locals
           []
         end
 
+        # debugging description of contents; not for machine use
+        def desc
+          word
+        end
+
+        def to_s
+          desc
+        end
+
         def inspect
-          "#{self.class} #{word}"
+          "#<#{self.class} - `#{self.desc}`>"
         end
 
         def head?
diff --git a/spec/pin/parameter_spec.rb b/spec/pin/parameter_spec.rb
index 067152881..4f9915c70 100644
--- a/spec/pin/parameter_spec.rb
+++ b/spec/pin/parameter_spec.rb
@@ -139,7 +139,8 @@ def yielder(&blk)
     expect(method.documentation).to eq("Block Params:\n*  [Array] \n\nBlock Returns:\n* [Integer] \n\nReturns:\n* [Integer] \n\nVisibility: public")
     expect(method.return_type.tag).to eq('Integer')
 
-    expect(map.locals.map(&:to_s)).to eq(['blk ::Proc', 'things Set'])
+
+    expect(map.locals.map(&:to_rbs)).to eq(['blk ::Proc', 'things Set'])
     expect(map.locals.map(&:return_type).map(&:to_s)).to eq(%w[Proc Set])
     expect(map.locals.map(&:decl)).to eq(%i[blockarg arg])
   end