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Agent skill

Atmos Secrets

by cloudposse in cloudposse/atmos

Atmos Secrets: declarative secrets.vars, !secret, cloud/Vault/1Password/SOPS backends, init/set/get/import/push/pull/shell/exec/validate, masking, and CI validation

Apache-2.0Auto-check passedDevOps & Cloud

Install Atmos Secrets

skills CLI
$ npx skills add cloudposse/atmos --skill atmos-secrets -a claude-code

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

GitHub CLI
$ gh skill install cloudposse/atmos atmos-secrets --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/cloudposse/atmos.git skills-src && mkdir -p .claude/skills && cp -r skills-src/agent-skills/skills/atmos-secrets .claude/skills/atmos-secrets && 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
atmos-secrets
GitHub stars
1.4k
Token cost
~774 tokens
SKILL.md length
312 words
Files
1
Skills in repo
70
Repo updated
First seen
Licence
Apache-2.0

At a glance

Atmos Secrets: declarative secrets.vars, !secret, cloud/Vault/1Password/SOPS backends, init/set/get/import/push/pull/shell/exec/validate, masking, and CI validation

  • Tasks that involve Operations and SOPs
  • SKILL.md covers Related Skills, Declare Secrets, Commands and Safety Rules
  • Needs DATADOG_API_KEY

What it does

Atmos Secrets is an agent skill from cloudposse/atmos. Atmos Secrets: declarative secrets.vars, !secret, cloud/Vault/1Password/SOPS backends, init/set/get/import/push/pull/shell/exec/validate, masking, and CI validation

Its SKILL.md is about 770 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in DevOps & Cloud, covering Operations and SOPs. The repository describes itself as: Atmos is the open-source runtime for infrastructure — it builds, authenticates, and ships Terraform, OpenTofu, Packer, Ansible, Kubernetes, Helm, and containers the same way on… The licence is Apache-2.0.

When your agent uses it

  • Tasks that involve Operations and SOPs

Example prompts

  • “Use the atmos-secrets skill to atmo Secrets: declarative secrets.vars, !secret, cloud/Vault/1Password/SOPS backends…”
  • “/atmos-secrets”

Requirements

  • A credential in DATADOG_API_KEY

What it can do on your machine

Read from SKILL.md and the folder at commit 36726ae. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are yaml).

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

  • Network

    No URLs in SKILL.md.

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

  • Credentials

    Names these keys or tokens, usually read from environment variables:

    • DATADOG_API_KEY

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

Context cost

Atmos Secrets loads about 774 tokens when it runs. Until then it costs about 45 tokens; SKILL.md has 312 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~45
When it runs · the whole SKILL.md, loaded when a task matches
~774

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 cloudposse/atmos at commit 36726ae, republished under its Apache-2.0 licence (© cloudposse). 312 words, ~774 tokens.

Download SKILL.mdSave it as .claude/skills/atmos-secrets/SKILL.md (or your agent's skills folder).
name
atmos-secrets
description
Atmos Secrets: declarative secrets.vars, !secret, cloud/Vault/1Password/SOPS backends, init/set/get/import/push/pull/shell/exec/validate, masking, and CI validation
metadata.copyright
Copyright Cloud Posse, LLC 2026
metadata.version
1.0.0
metadata.category
security

Atmos Secrets

Use this skill for declared secrets, secret backends, and the atmos secret command family. Secrets must be declared before they can be set, read, injected, or resolved with !secret.

NeedLoad
Store-backed non-secret valuesatmos-stores
YAML !secret and !store functionsatmos-yaml-functions
Auth identity for secret backend accessatmos-auth
Local Vault/OpenBao testingatmos-emulator

Declare Secrets

Declare secrets under component secrets.vars and keep Terraform inputs secret-aware:

yaml
components:
  terraform:
    app:
      secrets:
        vars:
          DATADOG_API_KEY:
            description: Datadog API key
            store: prod/ssm
            required: true
      vars:
        datadog_api_key: !secret DATADOG_API_KEY

Supported backend families include AWS SSM, AWS Secrets Manager, HashiCorp Vault, Azure Key Vault, GCP Secret Manager, 1Password, and SOPS-encrypted files.

Commands

CommandPurpose
atmos secret list -s <stack> -c <component>List declared secrets and status
atmos secret init -s <stack> -c <component>Provision/rotate declared secrets interactively
atmos secret set <name> -s <stack> -c <component>Set a declared secret
atmos secret get <name> -s <stack> -c <component>Retrieve a declared secret, masked by default
atmos secret import -s <stack> -c <component>Bring existing backend secrets under management
atmos secret pull -s <stack> -c <component>Download declared secrets to a local file
atmos secret push -s <stack> -c <component>Upload declared secrets from a local file
atmos secret shell -s <stack> -c <component>Start a shell with secrets in environment
atmos secret exec -s <stack> -c <component> -- <cmd>Run one command with secrets injected
atmos secret validate -s <stack> -c <component>CI gate for required initialized secrets
atmos secret keygen ...Generate key material for supported vault backends

Use --identity when backend access needs an Atmos Auth identity. Use --type to disambiguate component kinds.

Safety Rules

  • Keep secrets declared, not scattered through raw !store calls.
  • Prefer !secret for sensitive values and !store/!store.get for non-sensitive shared data.
  • Leave --mask enabled for normal operations; masked inspection should not leak values.
  • Use atmos secret validate in CI before plan/apply workflows that require secrets.
  • Never commit pulled local secret files unless they are intentionally SOPS-encrypted and approved by repository policy.

© cloudposse, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in agent-skills/skills/atmos-secrets of cloudposse/atmos.

Open the folder on GitHubat commit 36726ae

Compare with similar skills

Atmos Secrets 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.

Atmos Secrets compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Atmos Secrets this skillcloudposse/atmos1.4k—~774Automated safety check: PassApache-2.0
Money Opsiamzifei/show-me-the-money1k—~3.8kAutomated safety check: PassCustom licence
Knowledge Opsalirezarezvani/claude-skills28k—~4.1kAutomated safety check: PassMIT
Deployment Sopbybren-llc/safe-agentic-workflow421—~966Automated safety check: NotesMIT
Process Docsshawnpang/startup-founder-skills341—~1.9kAutomated safety check: PassMIT
Vpe Advisorborghei/Claude-Skills881—~2.3kAutomated safety check: PassMIT

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Categories

Questions about Atmos Secrets

What does Atmos Secrets do?

Atmos Secrets: declarative secrets.vars, !secret, cloud/Vault/1Password/SOPS backends, init/set/get/import/push/pull/shell/exec/validate, masking, and CI validation. Atmos Secrets is an agent skill from cloudposse/atmos.

When should I use Atmos Secrets?

Atmos Secrets fits situations like: tasks that involve Operations and SOPs.

How do I install Atmos Secrets in Claude Code?

Run `npx skills add cloudposse/atmos --skill atmos-secrets -a claude-code`. Or copy the skill folder (agent-skills/skills/atmos-secrets in cloudposse/atmos) into .claude/skills/atmos-secrets in your project. Claude Code loads it when a task matches its description.

How do I install Atmos Secrets in Codex?

Run `npx skills add cloudposse/atmos --skill atmos-secrets -a codex`. Or copy the skill folder (agent-skills/skills/atmos-secrets in cloudposse/atmos) into .agents/skills/atmos-secrets in your project. Codex loads it when a task matches its description.

Can I use Atmos Secrets 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 cloudposse/atmos --skill atmos-secrets -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/atmos-secrets, .gemini/skills/atmos-secrets, .github/skills/atmos-secrets and .opencode/skills/atmos-secrets in your project.

What does Atmos Secrets need to run?

Going by SKILL.md and its folder, Atmos Secrets needs credentials named DATADOG_API_KEY. Our summary lists: A credential in DATADOG_API_KEY.

Does Atmos Secrets access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Atmos Secrets 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 Atmos Secrets use?

Atmos Secrets is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Atmos Secrets use?

About 774 tokens (SKILL.md is roughly 3.1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Atmos Secrets?

Skills that share tags, products or a category with Atmos Secrets: Money Ops (iamzifei/show-me-the-money, 1k stars), Knowledge Ops (alirezarezvani/claude-skills, 28k stars), Deployment Sop (bybren-llc/safe-agentic-workflow, 421 stars) and Process Docs (shawnpang/startup-founder-skills, 341 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Atmos Secrets?

cloudposse (a GitHub organization) maintains it in cloudposse/atmos, which has 1,396 GitHub stars. The repository holds 70 skills in this directory. The repository was last updated on October 8, 2026.

Source: cloudposse/atmos on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.