Tool calls!

spec/mcp_spec.rb

@@ -6,6 +6,9 @@ RSpec.describe Mcp do
   end
 
   it "does something useful" do
-    expect(false).to eq(true)
+    a = Mcp::Client.new("/Users/joshuacoles/.local/bin/mcp-server-fetch", [])
+    expect(a.connect).to eq(true)
+    puts a.list_tools
+    puts a.tools.fetch(url: 'http://example.com')
   end
 end