What is k8s-dev-deploy?

A deployment procedure for rebuilding Kurtosis development images and running them on a Kubernetes cluster, a system for managing containerized applications. It covers the engine, core API, file-expander images, and local command-line build.

Use it to build multi-platform Docker images, push them to Docker Hub, update image references, rebuild the CLI, and restart the development engine.

It provides the exact development deployment sequence for testing source changes on Kubernetes without making a release.

k8s-dev-deploy — Skill for Claude Code and Codex by kurtosis-tech

Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo

git clone --depth 1 https://github.com/kurtosis-tech/kurtosis

agentmods

npx agentmods add skills/kurtosis-tech/kurtosis/k8s-dev-deploy

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/skills/kurtosis-tech/kurtosis/k8s-dev-deploy.svg)](https://agentmods.dev/skills/kurtosis-tech/kurtosis/k8s-dev-deploy)

Your own site

<a href="https://agentmods.dev/skills/kurtosis-tech/kurtosis/k8s-dev-deploy"><img src="https://agentmods.dev/badge/skills/kurtosis-tech/kurtosis/k8s-dev-deploy.svg" alt="Measured on agentmods" height="20"></a>

Per session 78 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 1,276 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits

NVIDIA SkillSpector pass 7 Sept 2026

How audits are shown

Origin original No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.00078	$0.01276
Opus 5	$0.00039	$0.00638
Sonnet 5	$0.00016	$0.00255
Haiku 4.5	$0.00008	$0.00128

Measured 8d ago against content hash 085241d862c8, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

k8s-dev-deploy scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/k8s-dev-deploy/SKILL.md · 108 lines

How it starts

The opening of the file, as written. The whole thing — 108 lines — stays where its author put it; the contents beside it link to each section on GitHub.

K8s Dev Deploy

Build and deploy Kurtosis from source to a Kubernetes cluster for testing without making a release.

Overview

Three container images must be built and pushed:

engine — from engine/server/Dockerfile
core (APIC) — from core/server/Dockerfile
files-artifacts-expander — from core/files_artifacts_expander/Dockerfile

The CLI binary is also rebuilt locally.

All images share the same tag, which is set in kurtosis_version/kurtosis_version.go as KurtosisVersion. This version is compiled into the engine binary and used at runtime to pull the core and files-artifacts-expander images.

Steps

1. Determine Docker Hub username and generate a unique tag

DOCKER_USER=$(docker info 2>/dev/null | grep Username | awk '{print $2}')
TAG="$(git rev-parse --short HEAD)-$(date +%s)"

2. Update image references to use the user's Docker Hub

Edit these three constants to replace kurtosistech with $DOCKER_USER:

File	Constant	Default Value
`engine/launcher/engine_server_launcher/engine_server_launcher.go`	`containerImage`	`kurtosistech/engine`
`core/launcher/api_container_launcher/api_container_launcher.go`	`containerImage`	`kurtosistech/core`
`core/server/api_container/server/startosis_engine/kurtosis_types/service_config/service_config.go`	`filesArtifactsExpanderImage`	`kurtosistech/files-artifacts-expander`

3. Set the version tag

Edit kurtosis_version/kurtosis_version.go and set KurtosisVersion to the generated $TAG.

IMPORTANT: Always use a unique tag (include a timestamp) to avoid Kubernetes node image caching issues. Nodes with imagePullPolicy: IfNotPresent won't re-pull an image with the same tag.

4. Build all binaries (parallel)

# Engine
CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -o engine/server/build/kurtosis-engine.arm64 engine/server/engine/main.go
CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o engine/server/build/kurtosis-engine.amd64 engine/server/engine/main.go

# Core (APIC)
CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -o core/server/build/api-container.arm64 core/server/api_container/main.go
CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o core/server/build/api-container.amd64 core/server/api_container/main.go

# Files Artifacts Expander
CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -o core/files_artifacts_expander/build/files-artifacts-expander.arm64 core/files_artifacts_expander/main.go
CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o core/files_artifacts_expander/build/files-artifacts-expander.amd64 core/files_artifacts_expander/main.go

# CLI (local use)
go build -o /tmp/kurtosis ./cli/cli/

Read the full file on GitHub · 108 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

8d ago First seen · 108 lines · 78 tokens per session scan A 085241d862c8

Subscribe to this mod's changes

k8s-dev-deploy is a skill published in the GitHub repository kurtosis-tech/kurtosis (550 stars, last pushed 5d ago), licensed Apache-2.0. It adds 78 tokens to every session and 1,276 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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