gem 'mcp-rb'

require 'mcp' name "hello-world" version "1.0.0" # Define a resource resource "hello://world" do name "Hello World" description "A simple hello world message" call { "Hello, World!" } end # Define a resource template resource_template "hello://{user_name}" do name "Hello User" description "A simple hello user message" call { |args| "Hello, #{args[:user_name]}!" } end # Define a tool tool "greet" do description "Greet someone by name" argument :name, String, required: true, description: "Name to greet" call do |args| "Hello, #{args[:name]}!" end end # Define a tool with nested arguments tool "greet_full_name" do description "Greet someone by their full name" argument :person, required: true, description: "Person to greet" do argument :first_name, String, required: false, description: "First name" argument :last_name, String, required: false, description: "Last name" end call do |args| "Hello, First: #{args[:person][:first_name]} Last: #{args[:person][:last_name]}!" end end # Define a tool with an Array argument tool "group_greeting" do description "Greet multiple people at once" argument :people, Array, required: true, items: String, description: "People to greet" call do |args| args[:people].map { |person| "Hello, #{person}!" }.join(", ") end end