cloudron-app-packaging

cloudron-app-packaging is a skill for Claude Code, Codex from marcusquinn/aidevops. It costs 23 tokens per session (3,047 once invoked), scanned A, original, MIT.

A guide to packaging an application as a Cloudron app using a Docker image and a Cloudron manifest. Docker packages an app with the files and environment it needs to run.

In plain words
What is it for?
It helps create the manifest and Dockerfile, configure add-on services, build the app, and install or update it on Cloudron.
Why use it?
It explains the platform’s filesystem, built-in services, installation methods, and backup and restore lifecycle.

Skill for Claude CodeCodex

Part of the aidevops plugin — 13 skills, 128 commands shipped together

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/marcusquinn/aidevops/cloudron-app-packaging
Any agent
npx skills add marcusquinn/aidevops --skill cloudron-app-packaging
Clone the repo
git clone --depth 1 https://github.com/marcusquinn/aidevops

Made for: Claude Code, Codex.

Or install aidevops, the plugin that ships this one along with the rest of its 13 skills, 128 commands.

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.

agentmods badge for cloudron-app-packaging

README.md
[![agentmods](https://agentmods.dev/badge/skills/marcusquinn/aidevops/cloudron-app-packaging.svg)](https://agentmods.dev/skills/marcusquinn/aidevops/cloudron-app-packaging)
Your own site
<a href="https://agentmods.dev/skills/marcusquinn/aidevops/cloudron-app-packaging"><img src="https://agentmods.dev/badge/skills/marcusquinn/aidevops/cloudron-app-packaging.svg" alt="Measured on agentmods" height="20"></a>
Per session 23 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,047 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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.

ModelPer sessionOnce invoked
Fable 5 $0.00023 $0.03047
Opus 5 $0.00012 $0.01523
Sonnet 5 $0.00005 $0.00609
Haiku 4.5 $0.00002 $0.00305

Measured yesterday against content hash e8ce4dbd5d09, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

cloudron-app-packaging 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 yesterday.

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.

.agents/tools/deployment/cloudron-app-packaging-skill.md · 238 lines

How it starts

The opening of the file, as written. The whole thing — 238 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Cloudron App Packaging (Official Skill)

Cloudron apps are Docker images plus CloudronManifest.json. The platform provides a readonly filesystem, addon services, and a managed backup/restore lifecycle.

Quick Reference

  • Upstream: git.cloudron.io/docs/skills (cloudron-app-packaging) | docs.cloudron.io/packaging
  • Reference files: cloudron-app-packaging-skill/manifest-ref.md, cloudron-app-packaging-skill/addons-ref.md
  • Also see: cloudron-app-packaging.md (native aidevops guide: helpers, local dev, Dockerfile/start.sh patterns, pre-packaging checks) and cloudron-app-publishing-skill.md (required version catalog, public metadata, keyless image/catalog provenance, visual assets, and publication lifecycle)
  • Last upstream review: f35dab45cc31 ("backupCommand, restoreCommand skill"); adopted current base-image, Node PATH, PHP, builder, and backup/restore lifecycle guidance.
npm install -g cloudron
cloudron login my.example.com
cloudron init                    # creates CloudronManifest.json and Dockerfile
cloudron install                 # uploads source, builds on server, installs app
cloudron update                  # re-uploads, rebuilds, updates running app
# For any independently distributed package, initialize and maintain
# CloudronVersions.json and keyless release provenance using
# cloudron-app-publishing-skill.md.

Key Constraints

Constraint Detail
Filesystem readonly Writable: /tmp, /run (ephemeral), /app/data (persisted, requires localstorage addon)
Addons for services Databases, caching, email, auth via addons — env vars injected at runtime, re-read every start
Manifest declares all CloudronManifest.json: metadata, ports, addon requirements
HTTP only App listens HTTP — platform handles TLS
Memory default 256 MB (RAM + swap). Set memoryLimit in manifest

Read the full file on GitHub · 238 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.

  1. yesterday First seen · 238 lines · 23 tokens per session scan A e8ce4dbd5d09

Subscribe to this mod's changes

cloudron-app-packaging is a skill published in the GitHub repository marcusquinn/aidevops (392 stars, last pushed today), licensed MIT. It adds 23 tokens to every session and 3,047 once invoked, about $0.0001 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 2026-09-03.

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