Init with c ext

Rakefile

@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+require "bundler/gem_tasks"
+require "rspec/core/rake_task"
+
+RSpec::Core::RakeTask.new(:spec)
+
+require "standard/rake"
+
+require "rake/extensiontask"
+
+task build: :compile
+
+GEMSPEC = Gem::Specification.load("mcp.gemspec")
+
+Rake::ExtensionTask.new("mcp", GEMSPEC) do |ext|
+  ext.lib_dir = "lib/mcp"
+end
+
+task default: %i[clobber compile spec standard]