Atmos is an infrastructure runtime that coordinates tools such as Terraform, OpenTofu, Kubernetes, Helm, Packer, Ansible, and containers through consistent commands and configuration. It is for teams running cloud infrastructure on laptops, in CI, or through AI agents across environments and regions. Its catalogue entries provide skills, agents, commands, and other add-ons for Atmos workflows.
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.
npx agentmods add skills/cloudposse/atmos/atmos-versionnpx skills add cloudposse/atmos --skill atmos-versiongit clone --depth 1 https://github.com/cloudposse/atmosWrote 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.
[](https://agentmods.dev/skills/cloudposse/atmos/atmos-version)<a href="https://agentmods.dev/skills/cloudposse/atmos/atmos-version"><img src="https://agentmods.dev/badge/skills/cloudposse/atmos/atmos-version.svg" alt="Measured on agentmods" height="20"></a>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 | $0.00039 | $0.01097 |
| Opus 5 | $0.00019 | $0.00549 |
| Sonnet 5 | $0.00008 | $0.00219 |
| Haiku 4.5 | $0.00004 | $0.00110 |
Grade A, and why
atmos-version 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.
How it starts
The opening of the file, as written. The whole thing — 140 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Atmos Version Tracker
Use this skill for Atmos-managed software versions under the top-level version: section of
atmos.yaml.
The Version Tracker manages external dependency versions that Atmos should resolve, lock, apply to
files, and verify. It is separate from the top-level atmos version command, which reports the
Atmos CLI version.
Related Skills
| Need | Load |
|---|---|
| Tool installation from tracked versions | atmos-toolchain |
| Vendored component source versions | atmos-vendoring |
| Component source provisioning | atmos-components |
YAML !version function |
atmos-yaml-functions |
| CI gates for lock/file drift | atmos-ci |
Core Model
Version policy lives in atmos.yaml; resolved versions live in a lock file, usually
versions.lock.yaml.
version:
track: prod
lock_file: versions.lock.yaml
dependencies:
checkout:
ecosystem: github/actions
datasource: github-tags
package: actions/checkout
desired: v6
update:
pin: sha
opentofu:
ecosystem: toolchain
datasource: toolchain
package: opentofu
desired: "~1.10"
tracks:
prod:
defaults:
update:
strategy: patch
cooldown: 14d
Important concepts:
track: named lane such asdev,staging, orprod.dependencies: base catalog of external versions.tracks.<name>.dependencies: per-track overrides.defaults, entryupdate, and groups: inherited update policy.lock_file: resolved, deterministic versions read by runtime, file managers, and CI.pin: sha/pin: digest: lock immutable Git SHAs or OCI digests.
Command Workflow
Use atmos version track (alias tracks) for the managed-version command group:
atmos version track list
atmos version track show prod
atmos version track add checkout --package=actions/checkout --pin=sha
atmos version track set checkout --desired=v6
atmos version track lock prod
atmos version track update prod --group=infrastructure
atmos version track status prod --format=json
atmos version track diff prod
atmos version track apply prod --check
atmos version track verify prod
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.
- yesterday First seen · 140 lines · 39 tokens per session scan A e2c51e4526d1
atmos-version is a skill published in the GitHub repository cloudposse/atmos (1,372 stars, last pushed today), licensed Apache-2.0. It adds 39 tokens to every session and 1,097 once invoked, about $0.0002 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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