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@kubewarden

Kubewarden

Kubewarden is a policy engine for Kubernetes. It helps with keeping your Kubernetes clusters secure 🔐 and compliant ✔.

Kubewarden policies can be written using regular programming languages or Domain Specific Languages (DSL).

Policies are compiled into WebAssembly modules that are then distributed using traditional container registries.

Getting Started 📚

Check our first-stop kubewarden/community 👋 repository for information about the organization of the project.

Take a look at our documentation 📖 Stay up to date by reading our official blog 📣 and by following us on Bluesky or Mastodon.

Get in touch with us on Slack: join the kubewarden channel hosted by the official Kubernetes workspace 👨‍💻 💬 👩‍💻

Enforcing Policies 🔒

Discover ready to use policies by visiting ArtifactHub 📦

Don't forget to take a look at kwctl, our handy multi-purpose tool for managing policies 🛠️ 🧰

Writing policies 📝

Interested in writing a new policy?

Kubewarden allows you to write policies using a variety of programming languages, including Rust, Go, Rego, CEL and others.

These are some useful resources to get you started:

Useful GitHub tags :octocat: 🏷️

Use these tags to find repositories over all GitHub 🗺️ 🌌

Purpose Tag
Policy Template kubewarden-policy-template
Policy kubewarden-policy
Policy SDK kubewarden-policy-sdk

Contributing 🙌

That's fantastic news! 🥳

Check our general CONTRIBUTING.md docs.

Quick links to "core" projects:

Project Scope Language
kubewarden-controller Kubernetes integration point Go
policy-server Run Kubewarden policies Rust
kwctl Kubewarden policy multi-purpose cli tool Rust

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  1. kwctl kwctl Public

    Go-to CLI tool for Kubewarden users

    Rust 88 23

  2. policy-server policy-server Public

    Webhook server that evaluates WebAssembly policies to validate Kubernetes requests

    Rust 151 20

  3. kubewarden-controller kubewarden-controller Public

    Manage admission policies in your Kubernetes cluster with ease

    Go 220 38

  4. rust-policy-template rust-policy-template Public

    A Kubewarden rust policy template to be used with cargo-generate

    Rust 9 10

  5. go-policy-template go-policy-template Public template

    A template repository to quickly scaffold a Kubewarden policy written with Go language

    Go 11 16

  6. swift-policy-template swift-policy-template Public template

    A template repository to quickly scaffold a Kubewarden policy written with Swift language

    Swift 1 1

Repositories

Showing 10 of 107 repositories
  • policy-sdk-dotnet Public

    Kubewarden Policy SDK for the .NET platform

    kubewarden/policy-sdk-dotnet’s past year of commit activity
    C# 9 Apache-2.0 4 3 5 Updated Dec 6, 2025
  • policy-server Public

    Webhook server that evaluates WebAssembly policies to validate Kubernetes requests

    kubewarden/policy-server’s past year of commit activity
    Rust 151 Apache-2.0 20 17 1 Updated Dec 6, 2025
  • policy-sdk-js Public

    Experimental Kubewarden SDK for TypeScript and JavaScript

    kubewarden/policy-sdk-js’s past year of commit activity
    TypeScript 2 Apache-2.0 6 6 (1 issue needs help) 2 Updated Dec 6, 2025
  • policy-sdk-swift Public

    Kubewarden Policy SDK for the Swift programming language

    kubewarden/policy-sdk-swift’s past year of commit activity
    Swift 2 Apache-2.0 2 3 1 Updated Dec 6, 2025
  • volumes-psp-policy Public

    Replacement for the Kubernetes Pod Security Policy that controls the usage of volumes

    kubewarden/volumes-psp-policy’s past year of commit activity
    Go 2 Apache-2.0 4 2 (1 issue needs help) 1 Updated Dec 6, 2025
  • raw-mutation-policy Public

    Demo policy showing how to write a raw mutating policy

    kubewarden/raw-mutation-policy’s past year of commit activity
    Go 0 Apache-2.0 1 2 1 Updated Dec 6, 2025
  • rancher-project-quotas-namespace-validator Public

    Prevent the creation of Namespace under a Rancher Project that doesn't have any resource quota left

    kubewarden/rancher-project-quotas-namespace-validator’s past year of commit activity
    Go 1 Apache-2.0 3 1 1 Updated Dec 6, 2025
  • go-wasi-context-aware-test-policy Public

    A test context-aware policy written using Go Wasi

    kubewarden/go-wasi-context-aware-test-policy’s past year of commit activity
    Go 1 Apache-2.0 2 1 1 Updated Dec 6, 2025
  • rego-policies-library Public

    A collection of Rego policies that can be used to enforce best practices in Kubernetes clusters

    kubewarden/rego-policies-library’s past year of commit activity
    Open Policy Agent 3 Apache-2.0 6 3 1 Updated Dec 6, 2025
  • audit-scanner Public

    Reports evaluation of existing Kubernetes resources with your already deployed Kubewarden policies.

    kubewarden/audit-scanner’s past year of commit activity
    Go 8 Apache-2.0 9 8 1 Updated Dec 6, 2025