Code Analysis

A static code analysis tool with a focus on code consistency and teaching.

Mix tasks to simplify use of Dialyzer in Elixir projects.

Functions useful for processing Erlang code.

Utilities to work with Elixir source code.

Core library for the Erlang style reviewer

A code-style enforcer that will just FIFY instead of complaining

An analysis tool for checking safety of database migrations.

erlfmt is an opinionated Erlang code formatter

Erlang linter - rebar3 plugin

Managing cross-module dependencies in Elixir projects.

A rebar plugin for code formatting

One task to efficiently run all code analysis & testing tools in an Elixir project

A rebar plugin for dead code cleaning

Credo checks that catch AI-generated code slop in Elixir

Code duplication detector powered by Elixir AST analysis

A Credo-configured code-style enforcer that will just fix it for you instead of complaining

A collection of opinionated Credo checks aimed at improving code quality and catching common mistakes in Elixir, Oban, and LiveView

A suite of checks to enforce naming best practices in an Elixir project.

Program dependence graph for Elixir and Erlang

rebar3 plugin to format Erlang code a la `gofmt`

Mix task to analyze and report Elixir code.

Generate an HTML report from dialyzer output

A Mix formatter that sorts your Tailwind classes

Add-on for Credo for checking environment variables that get evaluated at Elixir compile time.

Mix compiler tracer for detecting unused public functions

Credo checks for Mox

Pretty print SQL queries

Custom Credo checks for detecting common Elixir/Phoenix anti-patterns including N+1 queries, missing error handling, blocking operations, telemetry gaps, and more. Provides 20 comprehensive static analysis checks to improve code quality.

Credo check to identify cases where `Enum.reduce` can be simplified to other `Enum` functions

Credo check to detect silent exception swallowing in rescue blocks. Enforces proper error handling by requiring logging, error reporting, or re-raising.

A set of community-maintained checks for the Credo static analysis tool. Many of the checks are implementations of rules from https://github.com/christopheradams/elixir_style_guide.

A check to ensure there are no compile time variables used across an Elixir project.

A Credo check for deprecated functions

A Credo check to ensure hygenic domain boundaries.

Credo checks for Ash Framework

Elixir formatter plugin for doctests.

Elixir source code refactoring

An experimental linter with autocorrection.

Dialyzer Mix task

Elixir `alias`, `import` and `require` sorter.

A linter for the Gleam programming language with 22 configurable rules

Linter for Absinthe

A module for Custom Credo checks (extensions) in addition to the default checks.

Coverex is an Elixir Coverage tool used by mix. It provides tables with overviews of module and function coverage data, includings links to annotated source code files and supports coveralls.io.

Add option to credo to generate sonarqube generic issue file

A CI/CD tool for checking dependency license compatibility in Elixir projects. Reads license information from local hex metadata files and validates compatibility with your project's license using industry-standard rules.

Churn supports finding refactoring candidates in your code

An interface to the BEAM file format and a decompiler

Static analysis that detects bare Ecto mutations on Carbonite-tracked tables missing audit transactions. Catches the gap between adding a trigger and updating all write paths.

An Elixir semantic linter that detects performance issues and non-idiomatic code via AST analysis.

A tool for running Dialyzer in incremental mode on Elixir projects.

A parallel code quality checker for Elixir projects. Runs format, compile, credo, dialyzer, and tests concurrently with smart test partitioning.

Erlang Code Formatter

erlfmt formatter for Mix projects

Infers types for expressions, effects and scope variables of EYG programs.

Custom Credo checks used by the Blitz Backend Elixir team

A plugin for the lexical language server that enables Credo checks

Sorts and groups aliases in Elixir files.

A fork of the Elixir code formatter, with added freedom

Fast and flexible runtime type-checking: Type checks are optimized by the compiler and types can be composed, re-used and turned into property-testing generators. TypeCheck also focuses on showing understandable messages on typecheck-failures.

Custom Credo checks targeting Enum anti-patterns LLMs commonly generate (filter |> map, map |> reject(is_nil), etc.)

A rebar3 plugin to run shellcheck on given shell scripts.

Tool to gather stats about module imports in project.

@antedeguemon's Credo checks

Binary pattern checks for Credo

Xref Runner

A code style linter for Elixir, powered by shame.