# idempotency_kit v0.1.0 - Table of Contents > Composable idempotency primitives for Plug/Phoenix + Ecto flows ## Pages - [IdempotencyKit](readme.md) - [Changelog](changelog.md) ## Modules - [IdempotencyKit](IdempotencyKit.md): Portable idempotency building blocks for Elixir services. - [IdempotencyKit.Core](IdempotencyKit.Core.md): Backend-agnostic idempotency flow helpers. - [IdempotencyKit.Phoenix.Action](IdempotencyKit.Phoenix.Action.md): Reusable Plug/Phoenix adapter for idempotent controller actions. - [IdempotencyKit.Store](IdempotencyKit.Store.md): Behaviour for idempotency persistence backends. - [IdempotencyKit.Store.Ecto](IdempotencyKit.Store.Ecto.md): Generic Ecto/Postgres helper functions for idempotency stores.