return {
  'CopilotC-Nvim/CopilotChat.nvim',
  cmd = {
    'CopilotChat',
    'CopilotChatClose',
    'CopilotChatExplain',
    'CopilotChatReview',
    'CopilotChatTests',
    'CopilotChatRefactor',
    'CopilotChatOptimize',
    'CopilotChatDocs',
    'CopilotChatToggle',
  },
  keys = {
    { '<leader>CC', '<cmd>CopilotChat<cr>', desc = 'Open CopilotChat' }, -- fix: was <leader>C
    { '<leader>Cq', '<cmd>CopilotChatClose<cr>', desc = 'Close' },
    { '<leader>Ce', '<cmd>CopilotChatExplain<cr>', desc = 'Explain', mode = { 'n', 'v' } },
    { '<leader>Cr', '<cmd>CopilotChatReview<cr>', desc = 'Review', mode = { 'n', 'v' } },
    { '<leader>Ct', '<cmd>CopilotChatTests<cr>', desc = 'Tests', mode = { 'n', 'v' } },
    { '<leader>Cf', '<cmd>CopilotChatRefactor<cr>', desc = 'Refactor', mode = { 'n', 'v' } },
    { '<leader>Co', '<cmd>CopilotChatOptimize<cr>', desc = 'Optimize', mode = { 'n', 'v' } },
    { '<leader>Cd', '<cmd>CopilotChatDocs<cr>', desc = 'Docs', mode = { 'n', 'v' } },
    { '<leader>Cp', '<cmd>CopilotChatToggle<cr>', desc = 'Toggle' },
  },
  build = 'make tiktoken',
  opts = {
    debug = false,
    show_help = true,
  },
  dependencies = {
    'nvim-lua/plenary.nvim',
    'zbirenbaum/copilot.lua',
  },
}