Elixir

Guide for OTP and Elixir concurrency. Use when implementing GenServers, designing supervision trees, or building fault-tolerant concurrent systems.

Guide for Ecto schemas, changesets, queries, migrations, and Multi. Use when writing Ecto migrations, querying or mutating Ecto schemas, designing changesets, working with Ecto.Multi, or choosing between Ecto query DSL and raw SQL.

Guide for Elixir/Erlang Ports — communicating with external OS processes. Use when spawning external programs, implementing port protocols, wrapping ports in GenServer, or choosing between Port, NIF, System.cmd, and C Nodes.

Elixir coding style and conventions. Use when writing idiomatic Elixir, avoiding bang functions in business logic, using pattern matching for error handling, or designing Ecto schemas as the single source of truth for data validation.

Guide for Elixir application configuration. Use when configuring runtime vs compile-time settings, managing config.exs/runtime.exs, or using Application.get_env.

Guide for Phoenix web applications. Use when building Phoenix apps, implementing LiveView, designing contexts, setting up channels, or integrating Tidewave MCP dev tools.

Tidewave MCP dev tools for Phoenix applications. Use when setting up Tidewave, connecting AI coding assistants to a running Phoenix app, configuring MCP server access, debugging with runtime introspection tools, or troubleshooting Tidewave integration.