diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
new file mode 100644
index 0000000..c2010c7
--- /dev/null
+++ b/CONTRIBUTING.md
@@ -0,0 +1,36 @@
+# Contributing to this project
+
+Welcome, and thank you for your interest in contributing!
+
+The goal of this document is to provide a high-level overview of
+how you can contribute and explain how we accept contribution.
+
+## Reporting issues
+
+Please use [the repository issue tracker](https://github.com/sir-csharpn/algorithm-exercises-csharp/issues)
+to report any issues..
+
+## Providing feedback or suggestions
+
+Similarly to bug reports, we accept improvement suggestions and feedback via
+[the repository issue tracker](https://github.com/sir-csharpn/algorithm-exercises-csharp/issues).
+
+## Contributing code changes
+
+We are thrilled that you are interested in contributing code changes!
+
+You can make your own fork an next, make your increment.
+You only need to meet the following requirements for new contributions:
+
+* Any new increment MUST have a related test
+with high (or preferred full) coverage.
+* Use Clean Code principles.
+
+Once we've confirmed that we're ready to accept your contribution,
+feel free to open a pull request and link it in the issue ticket.
+
+I will be happy to receive new contributions!
+
+## Code of Conduct
+
+Please make sure to read and follow the [Code of Conduct](./CODE_OF_CONDUCT.md).
diff --git a/README.md b/README.md
index 67e5951..e457980 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@
 [![.NET CI/CD Lint](https://github.com/sir-gon/algorithm-exercises-csharp/actions/workflows/dotnet-lint.yml/badge.svg)](https://github.com/sir-gon/algorithm-exercises-csharp/actions/workflows/dotnet-lint.yml)
 [![Markdown Lint](https://github.com/sir-gon/algorithm-exercises-csharp/actions/workflows/markdown-lint.yml/badge.svg)](https://github.com/sir-gon/algorithm-exercises-csharp/actions/workflows/markdown-lint.yml)
 [![YAML lint](https://github.com/sir-gon/algorithm-exercises-csharp/actions/workflows/yamllint.yml/badge.svg)](https://github.com/sir-gon/algorithm-exercises-csharp/actions/workflows/yamllint.yml)
+[![Prettier JSON lint](https://github.com/sir-gon/algorithm-exercises-csharp/actions/workflows/prettier-json.yml/badge.svg)](https://github.com/sir-gon/algorithm-exercises-csharp/actions/workflows/prettier-json.yml)
 
 ![GitHub](https://img.shields.io/github/license/sir-gon/algorithm-exercises-csharp)
 ![GitHub language count](https://img.shields.io/github/languages/count/sir-gon/algorithm-exercises-csharp)
@@ -17,6 +18,8 @@
 [![Code Smells](https://sonarcloud.io/api/project_badges/measure?project=sir-gon_algorithm-exercises-csharp&metric=code_smells)](https://sonarcloud.io/summary/new_code?id=sir-gon_algorithm-exercises-csharp)
 [![Duplicated Lines (%)](https://sonarcloud.io/api/project_badges/measure?project=sir-gon_algorithm-exercises-csharp&metric=duplicated_lines_density)](https://sonarcloud.io/summary/new_code?id=sir-gon_algorithm-exercises-csharp)
 
+[![OpenSSF Best Practices](https://www.bestpractices.dev/projects/9287/badge)](https://www.bestpractices.dev/projects/9287)
+
 ## TL;DR
 
 Algorithms Exercises solved in [C# / .NET](https://dotnet.microsoft.com/languages/csharp),