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Agent skill

Castai Upgrade Migration

by jeremylongshore in jeremylongshore/tons-of-skills-marketplace

Upgrade the CAST AI umbrella chart or migrate standalone releases with preserved values, explicit downtime, staged verification, and recovery evidence.

MITAuto-check passedDevOps & Cloud

Install Castai Upgrade Migration

skills CLI
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill castai-upgrade-migration -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install jeremylongshore/tons-of-skills-marketplace castai-upgrade-migration --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/.curated/castai-upgrade-migration .claude/skills/castai-upgrade-migration && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
castai-upgrade-migration
GitHub stars
2.8k
Token cost
~1.3k tokens
SKILL.md length
471 words
Files
2 (incl. references)
Skills in repo
3,342
Repo updated
First seen
Licence
MIT

At a glance

Upgrade the CAST AI umbrella chart or migrate standalone releases with preserved values, explicit downtime, staged verification, and recovery evidence.

  • Works in 6 steps: Classify the installation → Capture the baseline → Review target and render → …
  • Performing component updates
  • SKILL.md covers Overview, Prerequisites, Instructions and Tool Discipline, plus 4 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Castai Upgrade Migration is an agent skill from jeremylongshore/tons-of-skills-marketplace. Upgrade the CAST AI umbrella chart or migrate standalone releases with preserved values, explicit downtime, staged verification, and recovery evidence. Use when performing component updates, GitOps adoption, or consolidation with castctl. Trigger with: "upgrade CAST AI", "migrate CAST AI Helm releases", "move CAST AI to the umbrella chart".

Its SKILL.md is about 1.3k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/official-docs.md`). Compatibility notes: Umbrella-chart upgrades using reset-then-reuse-values require Helm 3.14 or newer; standalone migration requires current castctl support

It sits in DevOps & Cloud, covering Container orchestration and GitOps. It works with Bash and Terraform. The repository describes itself as: Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com. The licence is MIT.

When your agent uses it

  • Performing component updates
  • GitOps adoption
  • Consolidation with castctl
  • With: upgrade CAST AI

Example prompts

  • “upgrade CAST AI”
  • “migrate CAST AI Helm releases”
  • “move CAST AI to the umbrella chart”
  • “/castai-upgrade-migration”

Requirements

  • Compatibility (from SKILL.md): Umbrella-chart upgrades using reset-then-reuse-values require Helm 3.14 or newer; standalone migration requires current castctl support
  • Pre-approved tools (allowed-tools): Read, Grep, Write, Edit, Bash(helm:*), Bash(kubectl:*), Bash(castctl:*), Bash(terraform:*)

Workflow steps

6 steps, taken from the step headings in SKILL.md.

  1. Classify the installation
  2. Capture the baseline
  3. Review target and render
  4. Choose upgrade or migration
  5. Protect recovery
  6. Verify and promote

What it can do on your machine

Read from SKILL.md and the folder at commit cfae287. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Grep
    • Write
    • Edit
    • Bash(helm:*)
    • Bash(kubectl:*)
    • Bash(castctl:*)
    • Bash(terraform:*)

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Links to these hosts (documentation or services it may open):

    • docs.cast.ai

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

  • Compatibility

    Umbrella-chart upgrades using reset-then-reuse-values require Helm 3.14 or newer; standalone migration requires current castctl support

    From compatibility in the SKILL.md frontmatter.

Context cost

Castai Upgrade Migration loads about 1.3k tokens when it runs, and up to ~1.5k if it reads all its reference files. Until then it costs about 92 tokens; SKILL.md has 471 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~92
When it runs · the whole SKILL.md, loaded when a task matches
~1.3k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.5k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from jeremylongshore/tons-of-skills-marketplace at commit cfae287, republished under its MIT licence (© jeremylongshore). 471 words, ~1,259 tokens.

Download SKILL.mdSave it as .claude/skills/castai-upgrade-migration/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
castai-upgrade-migration
description
Upgrade the CAST AI umbrella chart or migrate standalone releases with preserved values, explicit downtime, staged verification, and recovery evidence. Use when performing component updates, GitOps adoption, or consolidation with castctl. Trigger with: "upgrade CAST AI", "migrate CAST AI Helm releases", "move CAST AI to the umbrella chart".
allowed-tools
Read, Grep, Write, Edit, Bash(helm:*), Bash(kubectl:*), Bash(castctl:*), Bash(terraform:*)
compatibility
Umbrella-chart upgrades using reset-then-reuse-values require Helm 3.14 or newer; standalone migration requires current castctl support
version
2.0.0
argument-hint
[cluster-and-target-release]
model
inherit
effort
high
license
MIT
author
Jeremy Longshore <jeremy@intentsolutions.io>
tags
saas, kubernetes, cast-ai, upgrades, migration

CAST AI Upgrade and Umbrella Migration

Overview

Inventory the installed topology, pin the target, preserve values, and rehearse recovery before changing a cluster. Treat standalone-to-umbrella consolidation as a downtime-bearing migration, not an ordinary chart bump.

Prerequisites

  • Exact kube context, installation owner, current releases, chart/provider locks, and target
  • Maintenance window, workload and platform owners, rollback threshold, and evidence path
  • Current backups of declared values and infrastructure state references without secret material

Instructions

Step 1: Classify the installation

Use Bash(helm:*) to determine whether the namespace has one castai umbrella release or multiple standalone releases. Use Read and Grep to map Terraform, GitOps, console, and castctl ownership. Do not proceed while authorities conflict.

Step 2: Capture the baseline

Use Bash(kubectl:*) for component images, readiness, recent warning events, policy-visible workload health, PDBs, HPAs, and pending pods. Record selected umbrella mode and optional component overrides.

Step 3: Review target and render

Pin the target chart or provider from current release metadata. Use Bash(helm:) to render the proposed umbrella values and Bash(terraform:) to save a reviewed plan when Terraform owns delivery. Inspect CRDs, RBAC, webhooks, component modes, removed values, and automation changes.

Step 4: Choose upgrade or migration

For an existing umbrella release, use the documented chart upgrade with --reset-then-reuse-values; Helm 3.14 or newer is required. Pin the current chart version when changing configuration without changing components. For standalone releases, use Bash(castctl:*) with cluster migrate; expect a window where components and both autoscalers are paused.

Step 5: Protect recovery

Before standalone migration, set and protect the values-dump destination. If umbrella installation fails, preserve the generated values and debug snapshot, correct the conflict, then use documented values-file recovery. Do not publish dumps; they can contain sensitive configuration.

Show full SKILL.md (191 more words)Show less
Step 6: Verify and promote

Confirm one intended release, component readiness, cluster identity, telemetry, policy state, automation mode, HPAs, PDBs, and node/workload behavior. Compare the baseline and hold promotion on any unexplained drift.

Tool Discipline

Use Read and Grep for release and ownership evidence. Use Write and Edit for the plan and recovery record. Use Bash(helm:), Bash(terraform:), Bash(kubectl:), and Bash(castctl:) only inside the approved render, migration, upgrade, and verification boundaries.

Output

  • Current-versus-target topology and artifact pins
  • Reviewed upgrade or migration plan
  • Preserved values and recovery procedure
  • Post-change parity and health receipt

Examples

A legacy cluster migrates four standalone releases with castctl during a maintenance window and verifies one umbrella release afterward. A GitOps cluster pins its current chart while changing values, avoiding an accidental component upgrade.

Error Handling

FailureResponse
Helm is older than 3.14Upgrade the client before using reset-then-reuse-values
Migration dump contains secretsRestrict it immediately and sanitize only a copy for review
Umbrella install failsPreserve generated recovery artifacts and use documented values-file recovery
Post-change automation differsHold promotion and restore the reviewed mode

Resources

© jeremylongshore, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file (references) in skills/.curated/castai-upgrade-migration of jeremylongshore/tons-of-skills-marketplace.

  • SKILL.md
  • references/official-docs.md

Open the folder on GitHubat commit cfae287

Compare with similar skills

Castai Upgrade Migration next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Castai Upgrade Migration compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Castai Upgrade Migration this skilljeremylongshore/tons-of-skills-marketplace2.8k—~1.3kAutomated safety check: PassMIT
Asdfjjmartres/opencode133—~2.1kAutomated safety check: NotesMIT
Deploying Applicationsancoleman/ai-design-components525—~3.1kAutomated safety check: PassMIT
Provisioning Infrastructuretelagod/code-abyss244—~250Automated safety check: PassMIT
Devops Excellencemajiayu000/spellbook287—~2.4kAutomated safety check: NotesMIT
Carefulyonatangross/orchestkit292—~1.2kAutomated safety check: PassMIT

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Works with

Categories

Questions about Castai Upgrade Migration

What does Castai Upgrade Migration do?

Upgrade the CAST AI umbrella chart or migrate standalone releases with preserved values, explicit downtime, staged verification, and recovery evidence. Castai Upgrade Migration is an agent skill from jeremylongshore/tons-of-skills-marketplace. Upgrade the CAST AI umbrella chart or migrate standalone releases with preserved values, explicit downtime, staged verification, and recovery evidence.

When should I use Castai Upgrade Migration?

Castai Upgrade Migration fits situations like: performing component updates; gitOps adoption; consolidation with castctl; with: upgrade CAST AI.

How do I install Castai Upgrade Migration in Claude Code?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill castai-upgrade-migration -a claude-code`. Or copy the skill folder (skills/.curated/castai-upgrade-migration in jeremylongshore/tons-of-skills-marketplace) into .claude/skills/castai-upgrade-migration in your project. Claude Code loads it when a task matches its description.

How do I install Castai Upgrade Migration in Codex?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill castai-upgrade-migration -a codex`. Or copy the skill folder (skills/.curated/castai-upgrade-migration in jeremylongshore/tons-of-skills-marketplace) into .agents/skills/castai-upgrade-migration in your project. Codex loads it when a task matches its description.

Can I use Castai Upgrade Migration in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill castai-upgrade-migration -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/castai-upgrade-migration, .gemini/skills/castai-upgrade-migration, .github/skills/castai-upgrade-migration and .opencode/skills/castai-upgrade-migration in your project.

What does Castai Upgrade Migration need to run?

SKILL.md names no scripts, command-line tools or credentials: Castai Upgrade Migration is instructions for the agent only. Its frontmatter pre-approves these tools: Read, Grep, Write, Edit, Bash(helm:*), Bash(kubectl:*), Bash(castctl:*), Bash(terraform:*). Compatibility (from SKILL.md): Umbrella-chart upgrades using reset-then-reuse-values require Helm 3.14 or newer; standalone migration requires current castctl support.

Does Castai Upgrade Migration access the network?

SKILL.md names 1 domain. As links in the text: docs.cast.ai. This is read from the text; nothing was executed.

Is Castai Upgrade Migration safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Castai Upgrade Migration use?

Castai Upgrade Migration is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Castai Upgrade Migration use?

About 1.3k tokens (SKILL.md is roughly 5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 220 tokens, read only when the agent opens those files.

What are the alternatives to Castai Upgrade Migration?

Skills that share tags, products or a category with Castai Upgrade Migration: Asdf (jjmartres/opencode, 133 stars), Deploying Applications (ancoleman/ai-design-components, 525 stars), Provisioning Infrastructure (telagod/code-abyss, 244 stars) and Devops Excellence (majiayu000/spellbook, 287 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Castai Upgrade Migration?

jeremylongshore (a GitHub user) maintains it in jeremylongshore/tons-of-skills-marketplace, which has 2,827 GitHub stars. The repository holds 3,342 skills in this directory. The repository was last updated on October 10, 2026.

Source: jeremylongshore/tons-of-skills-marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.