diff --git a/.gitignore b/.gitignore
index 8d6a243f..443e046c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -54,3 +54,4 @@ build-iPhoneSimulator/
 
 # Ignore cassette files
 /specs/cassettes/
+.DS_Store
diff --git a/lib/channel.rb b/lib/channel.rb
new file mode 100644
index 00000000..c898a556
--- /dev/null
+++ b/lib/channel.rb
@@ -0,0 +1,24 @@
+require 'table_print'
+require "httparty"
+require "dotenv"
+
+class Channel
+  attr_reader :name, :id, :topic, :member_count
+  # @topic = topic
+  # @member_count = member_count
+
+  def initialize(channel_map)
+    @id = channel_map['id']
+    @topic = channel_map['topic']['value']
+    @member_count = channel_map['num_members']
+    @name = channel_map['name']
+  end
+
+  # def details
+  #   return "slack id: #{@id} #{@topic} member count: #{@member_count}"
+  # end
+
+  def to_s
+    "Name:#{@name},Topic:#{@topic},Member count :#{@member_count},Slack ID: #{@id}"
+  end
+end
diff --git a/lib/recipient.rb b/lib/recipient.rb
new file mode 100644
index 00000000..957e8e79
--- /dev/null
+++ b/lib/recipient.rb
@@ -0,0 +1,24 @@
+require 'dotenv'
+require 'httparty'
+Dotenv.load
+
+class Recipient
+  @slack_id = slack_id
+  @name = name
+
+  def send_message(message)
+    #code here
+  end
+
+  # def self.get(url, params)
+  #   #code here
+  # end
+
+  def details
+    raise 'Please implement me'
+  end
+
+  def self.list
+    raise 'Please implement me'
+  end
+end
diff --git a/lib/slack-cli.rb b/lib/slack-cli.rb
new file mode 100755
index 00000000..8f181021
--- /dev/null
+++ b/lib/slack-cli.rb
@@ -0,0 +1,60 @@
+require_relative "./workspace"
+
+class SlackCLI
+  def initialize(api_token)
+    @commands = {
+      'list users' => self.method(:list_users),
+      'list channels' => self.method(:list_channels),
+      'select user' => self.method(:select_user),
+    'select channel' => self.method(:select_channel),
+      'exit' => self.method(:quit),
+      'quit' => self.method(:quit),
+    }
+    @time_to_go = false
+    @workspace = Workspace.new(api_token)
+  end
+
+  def quit
+    @time_to_go = true
+  end
+
+  def list_users
+    puts @workspace.users
+  end
+
+  def list_channels
+    puts @workspace.channels
+  end
+
+  def select_user
+    print "which user? "
+    user = gets.chomp
+    selected_user = @workspace.select_user(user)
+    if selected_user.nil?
+      puts "thats not a user try again"
+    end
+  end
+
+  def select_channel
+    print "which channel? "
+    channel = gets.chomp
+    selected_channel = @workspace.select_channel(channel)
+    if selected_channel.nil?
+      puts "thats not a user try again"
+    end
+  end
+
+  def run
+    while !@time_to_go do
+      puts "Please enter one of the available commands: #{@commands.keys}"
+      print 'Command: '
+      command = gets.chomp
+      if @commands.key? command
+        @commands[command].call
+      else
+        puts 'You silly goose! That is no command!'
+      end
+    end
+    puts 'Toodles!'
+  end
+end
diff --git a/lib/slack.rb b/lib/slack.rb
deleted file mode 100755
index 960cf2f7..00000000
--- a/lib/slack.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/usr/bin/env ruby
-
-def main
-  puts "Welcome to the Ada Slack CLI!"
-
-  # TODO project
-
-  puts "Thank you for using the Ada Slack CLI"
-end
-
-main if __FILE__ == $PROGRAM_NAME
\ No newline at end of file
diff --git a/lib/user.rb b/lib/user.rb
new file mode 100644
index 00000000..8e8bdb8d
--- /dev/null
+++ b/lib/user.rb
@@ -0,0 +1,22 @@
+class User
+  attr_accessor :username, :real_name, :id
+  def initialize(user_map)
+    @username = user_map['name']
+    @real_name = user_map['real_name']
+    @id = user_map['id']
+    # @status_text = user_map['status_text']
+    # @status_emoji = user_map['status_emoji']
+  end
+
+  # def details do
+  #   #code here
+  # end
+  #
+  # def self.list
+  #   #code here
+  # end
+
+  def to_s
+    "Username: #{@username}, Real name: #{@real_name}, Slack ID: #{@id}"
+  end
+end
diff --git a/lib/workspace.rb b/lib/workspace.rb
new file mode 100644
index 00000000..6961ecb7
--- /dev/null
+++ b/lib/workspace.rb
@@ -0,0 +1,65 @@
+require 'httparty'
+require 'dotenv'
+require_relative './user'
+require_relative './channel'
+
+# response = HTTParty.get('https://slack.com/api/channels.list?token=xoxp-my-great-key&pretty=1')
+# puts response.body, response.code, response.message, response.headers.inspect
+
+# https://slack.com/api/channels.list?token=xoxp-my-great-key&pretty=1
+class Workspace
+  include HTTParty
+  base_uri 'slack.com/api'
+
+  def initialize(api_token)
+    @options = { query: { token: api_token, pretty: 1 } }
+  end
+
+  def channels
+    response = self.class.get('/channels.list', @options).parsed_response
+    raise 'Failed to get channels' unless response['ok']
+
+    channels = response['channels'].map do |channel_map|
+      Channel.new(channel_map)
+    end
+    channels
+  end
+
+  def users
+    response = self.class.get('/users.list', @options).parsed_response
+    raise 'Failed to get users' unless response['ok']
+
+    users = response['members'].map do |user_map|
+      User.new(user_map)
+    end
+    users
+  end
+
+  def select_channel(selected_channel)
+    channels.each do |channel|
+      if channel.name == selected_channel || channel.id == selected_channel
+        @selected = channel
+        return channel
+      end
+    end
+    nil
+  end
+
+  def select_user(selected_user)
+    users.each do |user|
+      if user.username == selected_user || user.id == selected_user
+        @selected = user
+        return user
+      end
+    end
+    nil
+  end
+
+  # def show_details(details)
+  #   #code
+  # end
+
+  # def send_message
+  #   #code
+  # end
+end
diff --git a/slack-cli b/slack-cli
new file mode 100755
index 00000000..56087527
--- /dev/null
+++ b/slack-cli
@@ -0,0 +1,9 @@
+#! /usr/bin/env ruby
+#shebang line.
+require "dotenv"
+require_relative 'lib/slack-cli'
+
+Dotenv.load('.env')
+api_token = ENV['SLACK_API_TOKEN']
+cli = SlackCLI.new(api_token)
+cli.run()
diff --git a/specs/channel_spec.rb b/specs/channel_spec.rb
new file mode 100644
index 00000000..e69de29b
diff --git a/specs/recipient_spec.rb b/specs/recipient_spec.rb
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/specs/recipient_spec.rb
@@ -0,0 +1 @@
+
diff --git a/specs/test_helper.rb b/specs/test_helper.rb
index 81ccd06b..e23ea304 100644
--- a/specs/test_helper.rb
+++ b/specs/test_helper.rb
@@ -12,4 +12,4 @@
 VCR.configure do |config|
   config.cassette_library_dir = "specs/cassettes"
   config.hook_into :webmock
-end
\ No newline at end of file
+end
diff --git a/specs/user_spec.rb b/specs/user_spec.rb
new file mode 100644
index 00000000..e69de29b
diff --git a/specs/workspace_spec.rb b/specs/workspace_spec.rb
new file mode 100644
index 00000000..d0cb7287
--- /dev/null
+++ b/specs/workspace_spec.rb
@@ -0,0 +1,79 @@
+require "dotenv"
+
+require_relative './test_helper'
+require_relative '../lib/workspace'
+
+describe "workspace" do
+  before do
+    Dotenv.load('.env')
+    api_token = ENV['SLACK_API_TOKEN']
+    @workspace = Workspace.new(api_token)
+  end
+
+  describe "channels" do
+    it "must be instance of array" do
+      VCR.use_cassette("good channels") do
+        channels = @workspace.channels
+        expect(channels).must_be_kind_of Array
+      end
+    end
+  end
+
+  describe "select_channel" do
+    it "finds a chanel by channel name" do
+      VCR.use_cassette("select channel by name") do
+        # expect{workspace.select_user}.must_be
+        # arrange
+        channel_name = "random"
+        # act
+        selected_channel = @workspace.select_channel(channel_name)
+        # assert
+        expect(selected_channel.name).must_equal 'random'
+      end
+    end
+
+    it "finds a channel by id" do
+      VCR.use_cassette("select channel by id") do
+        id = "CH36Q9YKX"
+        selected_channel = @workspace.select_channel(id)
+        expect(selected_channel.id).must_equal 'CH36Q9YKX'
+        end
+      end
+
+  describe "users" do
+    it "must be instance of array" do
+      VCR.use_cassette("good users") do
+        users = @workspace.users
+        expect(users).must_be_kind_of Array
+      end
+    end
+
+    it "must raise exception for bad response" do
+      workspace = Workspace.new('badapitoken')
+      VCR.use_cassette("bad channels") do
+        expect{workspace.channels}.must_raise RuntimeError
+      end
+    end
+  end
+
+  describe "select_user" do
+    it "finds a user by username" do
+      VCR.use_cassette("select user") do
+        # arrange
+        user_name = "kateannnichols"
+        # act
+        selected_user = @workspace.select_user(user_name)
+        # assert
+        expect(selected_user.username).must_equal 'kateannnichols'
+      end
+    end
+    it "finds a user by id" do
+      VCR.use_cassette("select user") do
+        id = "UH2SA7YJE"
+        selected_user = @workspace.select_user(id)
+        expect(selected_user.id).must_equal 'UH2SA7YJE'
+        end
+      end
+    end
+  end
+end