KSail

🛥️🐳 KSail

KSail bundles common Kubernetes tooling into a single binary. Spin up local clusters, deploy workloads, and operate cloud-native stacks across distributions and providers through a CLI, VS Code extension, AI chat TUI, or MCP server — with only Docker or access to a Cloud Provider required.

📖 Full documentation: https://ksail.devantler.tech

Quick Install

# macOS / Linux (Homebrew)
brew install --cask devantler-tech/tap/ksail

# Go (1.26.1+)
go install github.com/devantler-tech/ksail/v7@latest

See the Installation Guide for binary downloads and more options.

AI Assistant Plugins

Install the ksail plugin for GitHub Copilot CLI or Claude Code to auto-register ksail's MCP server and a ksail expertise skill.

Copilot CLI:

copilot plugin marketplace add devantler-tech/ksail
copilot plugin install ksail

Claude Code:

/plugin marketplace add devantler-tech/ksail
/plugin install ksail@ksail

Requires ksail on PATH.

Quick Start

ksail cluster init --name my-app   # scaffold project + native configs
ksail cluster create               # spin up the cluster (Docker only)
ksail cluster connect              # open K9s

Continue with the Getting Started guide for GitOps, workloads, and multi-tenancy.

What KSail Bundles

Category	Built-in Capabilities
Cluster Provisioning	Kind, K3d, Talos, VCluster (Vind), KWOK (kwokctl), EKS
Container Orchestration	kubectl, Helm, Kustomize
GitOps Engines	Flux, ArgoCD
Secrets Management	SOPS with Age encryption
Manifest Validation	Kubeconform
Cluster Operations	K9s, backup & restore, multi-tenancy (ksail tenant)
AI Integration	Chat assistant (Copilot SDK), MCP server, VS Code extension
Infrastructure Providers	Docker (local), Kubernetes (nested), Hetzner Cloud, Sidero Omni, AWS

See the feature overview and architecture guide for details.

Supported Platforms

OS	Architecture
🐧 Linux	amd64, arm64
🍎 macOS	arm64
⊞ Windows (native untested; WSL2 recommended)	amd64, arm64

Provider	Vanilla	K3s	Talos	VCluster	KWOK	EKS
Docker	✅ (Kind)	✅ (K3d)	✅	✅ (Vind)	✅ (kwokctl)	—
Kubernetes	✅	✅	✅	✅	✅	—
Hetzner	—	—	✅	—	—	—
Omni	—	—	✅	—	—	—
AWS	—	—	—	—	—	🚧

Community & Support

• 💬 GitHub Discussions — questions, ideas, and community
• 🐛 Issue Tracker — bugs and feature requests
• 📖 Documentation — guides, CLI reference, architecture
• 🎓 Resources — presentations, blog posts, tutorials
• ⭐ Star the repo — help others discover KSail

Contributing

Contributions are welcome! See CONTRIBUTING.md for the development process, coding standards, and PR guidelines. Start with issues labeled good first issue.

Related Projects

Project	Description	Type
devantler-tech/platform	The maintainer's personal kubernetes platform	Platform

Using KSail in your project? Open a PR to add it here.

License

KSail is licensed under the PolyForm Shield License 1.0.0. You may use, modify, and distribute KSail for any purpose — except providing a product that competes with KSail. When redistributing, you must include the license terms and the required copyright notice.

What this means in practice:

• ✅ Use KSail as a CLI tool in any project (open-source or proprietary)
• ✅ Embed or link KSail as a library in your own software
• ✅ Fork and modify KSail for internal or non-competing use
• ✅ Use any license for your own project — no copyleft requirement
• ❌ Build and distribute a product that competes with KSail

For the full license text including notice and non-compete details, see LICENSE. For common questions, see the Licensing FAQ.

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