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AgentTier

Kubernetes-native platform for isolated, persistent sandboxes — for humans and AI agents.

AgentTier gives humans and AI agents disposable, on-demand dev environments managed as Kubernetes CRDs. Each sandbox is a Pod + PVC + NetworkPolicy with its own persistent workspace, a full PTY terminal in the browser, and optional per-session credentials. The warm pod pool makes creation feel instant (~800 ms in our measurements vs ~10 s cold).

When to use it

  • Give each AI agent (Claude Code, Cursor, Aider, a custom agent) a private, isolated environment with its own storage and credentials.
  • Run untrusted AI-generated code safely with gVisor kernel isolation.
  • Provide on-demand developer environments for your team without pets.
  • Orchestrate multi-agent workflows where agents need to collaborate over in-cluster networking.

Get started

  • Quickstart — from zero to a running sandbox.
  • Installation — Helm chart, values, and production knobs.
  • Templates — the YAML blueprints that describe each agent.
  • Governance — cluster-wide and per-namespace policy enforcement.
  • Port forwarding — exposing sandbox ports via Services and Ingresses.

Install in three commands

helm repo add agenttier https://agenttier.github.io/agenttier/charts
helm repo update
helm install agenttier agenttier/agenttier --namespace agenttier --create-namespace

Then create a sandbox from the bundled general-coding template and open it in your browser. See the Quickstart.

License

Apache-2.0. Source at github.com/agenttier/agenttier.