diff --git a/spec/scry/implementations_spec.cr b/spec/scry/implementations_spec.cr
index cd56e83aa41..191d527134d 100644
--- a/spec/scry/implementations_spec.cr
+++ b/spec/scry/implementations_spec.cr
@@ -5,7 +5,8 @@ module Scry
     it "check implementation response type" do
       params = TextDocumentPositionParams.from_json(TEXTDOCUMENT_POSITION_PARAM_EXAMPLE)
       text_document = TextDocument.new(params, 0)
-      impl = Implementations.new(text_document)
+      workspace = Workspace.new("root_uri", 0, 10)
+      impl = Implementations.new(workspace, text_document)
       impl.run.is_a?(ResponseMessage).should eq(true)
     end
   end
diff --git a/spec/scry/response_spec.cr b/spec/scry/response_spec.cr
index 6a762f58898..361e610c92b 100644
--- a/spec/scry/response_spec.cr
+++ b/spec/scry/response_spec.cr
@@ -26,7 +26,7 @@ module Scry
       io = IO::Memory.new
       response = Response.new(results)
       response.write(io)
-      io.to_s[0...19].should eq("Content-Length: 278")
+      io.to_s[0...19].should eq("Content-Length: 268")
     end
 
     it "responds with server capabilities" do
diff --git a/src/scry/context.cr b/src/scry/context.cr
index 82ed6448719..e9aaa473b83 100644
--- a/src/scry/context.cr
+++ b/src/scry/context.cr
@@ -50,7 +50,7 @@ module Scry
       case msg.method
       when "textDocument/definition"
         text_document = TextDocument.new(params, msg.id)
-        definitions = Implementations.new(text_document)
+        definitions = Implementations.new(@workspace, text_document)
         response = definitions.run
         Log.logger.debug(response)
         response
diff --git a/src/scry/implementations.cr b/src/scry/implementations.cr
index de141eea7a4..62dc34e56bb 100644
--- a/src/scry/implementations.cr
+++ b/src/scry/implementations.cr
@@ -4,7 +4,7 @@ require "./protocol/location"
 module Scry
   # Using Crystal implementation to emulate GoTo Definition.
   struct Implementations
-    def initialize(@text_document : TextDocument)
+    def initialize(@workspace : Workspace, @text_document : TextDocument)
     end
 
     def run
@@ -17,29 +17,61 @@ module Scry
       end
     end
 
+    def get_scope
+      root_uri = @workspace.root_uri
+      if Dir.exists?("#{root_uri}/src")
+        Dir.glob("#{root_uri}/src/*.cr")
+      else
+        Dir.glob("#{root_uri}/**/*.cr").reject(&.=~(/\/spec\/|\/lib\//))
+      end
+    end
+
     # NOTE: compiler is a bit heavy in some projects.
     def search(filename, source, position)
-      response = crystal_tool(filename, position)
+      scope = get_scope
+      result = analyze(filename, position, scope)
+      case result
+      when ResponseMessage
+        result
+      when JSON::Any
+        response_with(result)
+      end
+    end
+
+    private def crystal_tool(filename, position, scope)
+      location = "#{filename}:#{position.line + 1}:#{position.character + 1}"
+      String.build do |io|
+        args = ["tool", "implementations", "--no-color", "--error-trace", "-f", "json", "-c", "#{location}"] + scope
+        Process.run("crystal", args, output: io, error: io)
+      end
+    end
+
+    private def analyze(filename, position, scope)
+      response = crystal_tool(filename, position, scope)
+      Log.logger.debug("response: #{response}")
       parsed_response = JSON.parse(response)
-      impls = parsed_response["implementations"]?
-      if impls
-        locations = impls.map do |impl|
-          pos = Position.new(impl["line"].as_i, impl["column"].as_i)
-          range = Range.new(pos, pos)
-          Location.new("file://" + impl["filename"].as_s, range)
-        end
-        ResponseMessage.new(@text_document.id, locations)
+      implementations = parsed_response["implementations"]?
+      if implementations
+        implementations
+      else
+        implementation_response
       end
     rescue ex
       Log.logger.error("A error was found while searching definitions\n#{ex}")
-      nil
+      implementation_response
     end
 
-    private def crystal_tool(filename, position)
-      location = "#{filename}:#{position.line + 1}:#{position.character + 1}"
-      String.build do |io|
-        Process.run("crystal", ["tool", "implementations", "--no-color", "--error-trace", "-f", "json", "-c", "#{location}", filename], output: io, error: io)
+    def implementation_response(locations = [] of Location)
+      ResponseMessage.new(@text_document.id, locations)
+    end
+
+    private def response_with(implementations)
+      locations = implementations.map do |item|
+        pos = Position.new(item["line"].as_i - 1, item["column"].as_i - 1)
+        range = Range.new(pos, pos)
+        Location.new("file://" + item["filename"].as_s, range)
       end
+      implementation_response(locations)
     end
   end
 end
diff --git a/src/scry/protocol/diagnostic.cr b/src/scry/protocol/diagnostic.cr
index c0d928d4c70..cebc7dade7b 100644
--- a/src/scry/protocol/diagnostic.cr
+++ b/src/scry/protocol/diagnostic.cr
@@ -43,7 +43,7 @@ module Scry
         Position.new(line - 1, column + size - 1)
       )
       @severity = DiagnosticSeverity::Error.value
-      @source = "Scry [Crystal]"
+      @source = "Scry"
     end
   end
 end