claude-code.nvim

claude-code.nvim

Seamless integration between Claude Code AI assistant and Neovim

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Claude Code Neovim Plugin is a seamless integration between Claude Code AI assistant and Neovim. It allows users to toggle Claude Code in a terminal window with a single key press, automatically detect and reload files modified by Claude Code, provide real-time buffer updates when files are changed externally, offer customizable window position and size, integrate with which-key, use git project root as working directory, maintain a modular code structure, provide type annotations with LuaCATS for better IDE support, offer configuration validation, and include a testing framework for reliability. The plugin creates a terminal buffer running the Claude Code CLI, sets up autocommands to detect file changes on disk, automatically reloads files modified by Claude Code, provides keymaps and commands for toggling the terminal, and detects git repositories to set the working directory to the git root.

README:

Claude Code Neovim Plugin

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A seamless integration between Claude Code AI assistant and Neovim

FeaturesRequirementsInstallationConfigurationUsageContributingDiscussions

Claude Code in Neovim

This plugin was built entirely with Claude Code in a Neovim terminal, and then inside itself using Claude Code for everything!

Features

  • 🚀 Toggle Claude Code in a terminal window with a single key press
  • 🔄 Automatically detect and reload files modified by Claude Code
  • ⚡ Real-time buffer updates when files are changed externally
  • 📱 Customizable window position and size
  • 🤖 Integration with which-key (if available)
  • 📂 Automatically uses git project root as working directory (when available)
  • 🧩 Modular and maintainable code structure
  • 📋 Type annotations with LuaCATS for better IDE support
  • ✅ Configuration validation to prevent errors
  • 🧪 Testing framework for reliability (44 comprehensive tests)

Requirements

See CHANGELOG.md for version history and updates.

Installation

Using lazy.nvim

return {
  "greggh/claude-code.nvim",
  dependencies = {
    "nvim-lua/plenary.nvim", -- Required for git operations
  },
  config = function()
    require("claude-code").setup()
  end
}
use {
  'greggh/claude-code.nvim',
  requires = {
    'nvim-lua/plenary.nvim', -- Required for git operations
  },
  config = function()
    require('claude-code').setup()
  end
}

Using vim-plug

Plug 'nvim-lua/plenary.nvim'
Plug 'greggh/claude-code.nvim'
" After installing, add this to your init.vim:
" lua require('claude-code').setup()

Configuration

The plugin can be configured by passing a table to the setup function. Here's the default configuration:

require("claude-code").setup({
  -- Terminal window settings
  window = {
    height_ratio = 0.3,     -- Percentage of screen height for the terminal window
    position = "botright",  -- Position of the window: "botright", "topleft", etc.
    enter_insert = true,    -- Whether to enter insert mode when opening Claude Code
    hide_numbers = true,    -- Hide line numbers in the terminal window
    hide_signcolumn = true, -- Hide the sign column in the terminal window
  },
  -- File refresh settings
  refresh = {
    enable = true,           -- Enable file change detection
    updatetime = 100,        -- updatetime when Claude Code is active (milliseconds)
    timer_interval = 1000,   -- How often to check for file changes (milliseconds)
    show_notifications = true, -- Show notification when files are reloaded
  },
  -- Git project settings
  git = {
    use_git_root = true,     -- Set CWD to git root when opening Claude Code (if in git project)
  },
  -- Command settings
  command = "claude",        -- Command used to launch Claude Code
  -- Keymaps
  keymaps = {
    toggle = {
      normal = "<C-,>",       -- Normal mode keymap for toggling Claude Code, false to disable
      terminal = "<C-,>",     -- Terminal mode keymap for toggling Claude Code, false to disable
    },
    window_navigation = true, -- Enable window navigation keymaps (<C-h/j/k/l>)
    scrolling = true,         -- Enable scrolling keymaps (<C-f/b>) for page up/down
  }
})

Usage

Quick Start

" In your Vim/Neovim commands or init file:
:ClaudeCode
-- Or from Lua:
vim.cmd[[ClaudeCode]]

-- Or map to a key:
vim.keymap.set('n', '<leader>cc', '<cmd>ClaudeCode<CR>', { desc = 'Toggle Claude Code' })

Commands

  • :ClaudeCode - Toggle the Claude Code terminal window

Key Mappings

Default key mappings:

  • <leader>ac - Toggle Claude Code terminal window (normal mode)
  • <C-,> - Toggle Claude Code terminal window (both normal and terminal modes)

Additionally, when in the Claude Code terminal:

  • <C-h> - Move to the window on the left
  • <C-j> - Move to the window below
  • <C-k> - Move to the window above
  • <C-l> - Move to the window on the right
  • <C-f> - Scroll full-page down
  • <C-b> - Scroll full-page up

Note: After scrolling with <C-f> or <C-b>, you'll need to press the i key to re-enter insert mode so you can continue typing to Claude Code.

When Claude Code modifies files that are open in Neovim, they'll be automatically reloaded.

How it Works

This plugin:

  1. Creates a terminal buffer running the Claude Code CLI
  2. Sets up autocommands to detect file changes on disk
  3. Automatically reloads files when they're modified by Claude Code
  4. Provides convenient keymaps and commands for toggling the terminal
  5. Automatically detects git repositories and sets working directory to the git root

Contributing

Contributions are welcome! Please check out our contribution guidelines for details on how to get started.

License

MIT License - See LICENSE for more information.

Development

For a complete guide on setting up a development environment, installing all required tools, and understanding the project structure, please refer to DEVELOPMENT.md.

Development Setup

The project includes comprehensive setup for development:

  • Complete installation instructions for all platforms in DEVELOPMENT.md
  • Pre-commit hooks for code quality
  • Testing framework with 44 comprehensive tests
  • Linting and formatting tools
  • Weekly dependency updates workflow for Claude CLI and actions
# Run tests
make test

# Check code quality
make lint

# Set up pre-commit hooks
scripts/setup-hooks.sh

# Format code
make format

Community

Acknowledgements


Made with ❤️ by Gregg Housh

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