You don't need to create a .sourcelevel.yml file to start reviewing your code, it can be automatically built by SourceLevel by checking the directory structure and code found in the repository, ignoring known directories (like test, spec, public or vendor) and enabling recommended engines for your project.

After the review is finished you can download the respective configuration file from the review’s page being able to customize it as you want.


Bandit is a tool designed to find common security issues in Python code.


Brakeman is an open source vulnerability scanner specifically designed for Ruby on Rails applications. It statically analyzes Rails application code to find security issues at any stage of development.

Bundler Audit

bundler-audit provides patch-level verification for Bundled apps.


Automated linting of Cascading Stylesheets.

CodeClimate™ FIXME

An engine that performs a case-sensitive search for TODO, FIXME, HACK, BUG and XXX notes in your project.


Credo is a static code analysis tool for the Elixir language with a focus on code consistency and teaching


The pluggable linting utility for JavaScript and JSX


Checks the formatting of Go programs.


A linter for Go source code.


Reports suspicious constructs in Go programs.

PHP Code Sniffer

Detects violations of a defined set of coding standards in PHP.


Phan is a static analyzer for PHP.


Pylint is a Python source code analyzer which looks for programming errors, helps enforcing a coding standard and sniffs for some code smells.


Python tool used to compute Cyclomatic Complexity.


Reek is a tool that examines Ruby classes, modules and methods and reports any Code Smells it finds.


A Ruby static code analyzer, based on the community Ruby style guide that can be configured through its various configuration options.


Configurable tool for writing clean and consistent SCSS

Sass Lint

A Node-only Sass linter for both sass and scss syntax!


A tool to enforce Swift style and conventions.


Cross-platform static analyzer and linter for Swift.


Detects specified patterns in files


Static code analyzer for Clojure, ClojureScript, cljx and other Clojure variants.


Static analysis tool to check Python code against the style conventions outlined in PEP-8.


remark-lint is a markdown code style linter. Ensuring the markdown you (and contributors) write is of great quality will provide better rendering in all the different markdown parsers, and makes sure less refactoring is needed afterwards.

beta PMD

Source code analyzer for Java.

beta TSLint

An extensible linter for the TypeScript language

beta rustfmt

A tool for formatting Rust code according to style guidelines.


You can find more information about how to customize your reviews in configuration instructions page.

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