[Feature] MCP tool get_install_command_for_project

Author: djalmaaraujo

docs/app/views/docs/mcp.rb

@@ -146,7 +146,8 @@ def tools_list
       ["view_items_in_registries", "Returns full source files and dependencies."],
       ["get_item_examples_from_registries", "Returns code examples per component."],
       ["get_add_command_for_items", "Returns a validated rails g ruby_ui:component … command."],
-      ["get_audit_checklist", "Returns a post-install verification checklist."]
+      ["get_audit_checklist", "Returns a post-install verification checklist."],
+      ["get_install_command_for_project", "Returns commands to bootstrap ruby_ui in a fresh Rails project."]
     ]
   end
 end

mcp/lib/ruby_ui/mcp/server.rb

@@ -10,6 +10,7 @@
 require "ruby_ui/mcp/tools/get_item_examples_from_registries"
 require "ruby_ui/mcp/tools/get_add_command_for_items"
 require "ruby_ui/mcp/tools/get_audit_checklist"
+require "ruby_ui/mcp/tools/get_install_command_for_project"
 
 module RubyUI
   module MCP
@@ -71,6 +72,12 @@ class Server
           klass: Tools::GetAuditChecklist,
           description: "Return a post-install verification checklist.",
           input_schema: {properties: {}}
+        },
+        {
+          name: "get_install_command_for_project",
+          klass: Tools::GetInstallCommandForProject,
+          description: "Return the commands to bootstrap ruby_ui in a fresh Rails project (gem install + ruby_ui:install generator).",
+          input_schema: {properties: {}}
         }
       ].freeze
 

mcp/lib/ruby_ui/mcp/tools/get_install_command_for_project.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+require "ruby_ui/mcp/tools/base"
+
+module RubyUI
+  module MCP
+    module Tools
+      class GetInstallCommandForProject < Base
+        def call(**)
+          {
+            steps: [
+              {title: "Add the gem", command: "bundle add ruby_ui"},
+              {title: "Run the installer", command: "bin/rails g ruby_ui:install"},
+              {title: "Add a component", command: "bin/rails g ruby_ui:component Button"}
+            ],
+            note: "Use `get_add_command_for_items` once you know which components to install."
+          }
+        end
+      end
+    end
+  end
+end

mcp/test/server_test.rb

@@ -8,12 +8,13 @@ def setup
     @registry = RubyUI::MCP::Registry.load(TestSupport::FIXTURE_PATH)
   end
 
-  def test_builds_with_seven_tools
+  def test_builds_with_eight_tools
     builder = RubyUI::MCP::Server.new(registry: @registry)
     names = builder.tool_classes.map(&:name_value).sort
     expected = %w[
       get_add_command_for_items
       get_audit_checklist
+      get_install_command_for_project
       get_item_examples_from_registries
       get_project_registries
       list_items_in_registries

mcp/test/tools/install_command_test.rb

@@ -0,0 +1,11 @@
+require "test_helper"
+require "ruby_ui/mcp/tools/get_install_command_for_project"
+
+class InstallCommandToolTest < Minitest::Test
+  def test_returns_install_steps
+    tool = RubyUI::MCP::Tools::GetInstallCommandForProject.new(registry: nil)
+    result = tool.call
+    assert_equal 3, result[:steps].length
+    assert_match(/bundle add ruby_ui/, result[:steps].first[:command])
+  end
+end