elixir-lsp

elixir-lsp

A Claude Code plugin providing comprehensive Elixir development support through:

• ElixirLS integration for IDE-like features
• Automated hooks for formatting, linting, and testing
• Elixir ecosystem integration (Mix, Credo, Dialyzer)

Quick Setup

# Run the setup command (after installing the plugin)
/setup

Or manually:

# Install ElixirLS (download from GitHub releases)
# https://github.com/elixir-lsp/elixir-ls/releases

# Install development tools (via Mix)
mix local.hex --force
mix local.rebar --force
mix archive.install hex credo --force

Features

LSP Integration

The plugin configures ElixirLS for Claude Code via .lsp.json.

Capabilities:

• Go to definition / references
• Hover documentation
• Code completion
• Dialyzer integration
• Real-time diagnostics

Automated Hooks

Hook	Trigger	Description
mix-format	**/*.ex	Code formatting
credo	**/*.ex	Linting
elixir-todo-fixme	**/*.ex	Surface TODO/FIXME comments

Required Tools

Tool	Installation	Purpose
elixir-ls	GitHub releases	LSP server
mix format	Built-in	Formatting
credo	mix archive.install hex credo	Linting

License

MIT