ai-gitcommit.nvim

AI-powered git commit message generator for Neovim using Anthropic Claude.

Requirements

• Neovim 0.11+
• curl
• Anthropic account (free tier available)

Installation

-- lazy.nvim
{
  "your-username/ai-gitcommit.nvim",
  event = "FileType gitcommit",
  opts = {},
}

Setup

1. Install the plugin
2. Run :AICommit login to authenticate with Anthropic
3. Stage your changes with git add
4. Run git commit and use :AICommit to generate a message

Usage

:AICommit                       " Generate commit message
:AICommit [context]             " Generate with extra context
:AICommit login                 " OAuth login to Anthropic
:AICommit logout                " Logout from Anthropic
:AICommit status                " Show auth status

Configuration

require("ai-gitcommit").setup({
  model = "claude-haiku-4-5",
  endpoint = "https://api.anthropic.com/v1/messages",
  max_tokens = 500,
  languages = { "English", "Chinese", "Japanese", "Korean" },
  prompt_template = nil, -- custom prompt template (optional)
  keymap = nil, -- e.g. "<leader>gc"
  context = {
    max_diff_lines = 500,
    max_diff_chars = 15000,
  },
  filter = {
    exclude_patterns = { "%.lock$", "package%-lock%.json$" },
    exclude_paths = {},
  },
})

Custom Prompt Template

You can customize the prompt template using placeholders:

require("ai-gitcommit").setup({
  prompt_template = [[
Generate a commit message for these changes.
Write in {language}. Be concise.

{extra_context}

Files: {staged_files}

Diff:
{diff}

Respond with ONLY the commit message.
]]
})

Available placeholders:

• {language} - Selected language
• {extra_context} - User-provided context
• {staged_files} - List of staged files
• {diff} - Git diff content

License

MIT