Openclaw Skills for YAML validation that catches Kubernetes, Docker Compose, and GitHub Actions errors before they break deployment.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install yaml-config-validator
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install yaml-config-validator using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is YAML Config Validator?
Openclaw Skills turns raw YAML into a practical review by catching indentation mistakes, duplicate keys, type mismatches, missing required fields, and malformed port, resource, or environment-variable references. It is designed for the config files that power delivery pipelines and runtime infrastructure, where a small syntax error can stop a deploy or an entire CI run.
For Kubernetes, Docker Compose, and GitHub Actions manifests, Openclaw Skills also highlights risky patterns such as image: latest, missing resource limits, privileged containers, hostPath mounts, and compose volume, dependency, or port conflicts. The result is a corrected snippet plus a local validation command you can run immediately.
YAML Config Validator Use Cases
Openclaw Skills is ideal when you need a fast YAML review for deployment-critical files.
- Paste a Kubernetes manifest and check for syntax, schema, and security issues before applying it.
- Review a
docker-compose.ymlfile before starting a local stack or shipping to staging. - Validate GitHub Actions workflow YAML for malformed keys, bad types, and broken references.
- Catch duplicate keys, indentation errors, and missing required fields in any YAML document.
- Detect risky Kubernetes settings such as
latestimages, missing resource limits, privileged containers, andhostPathusage. - Identify Compose conflicts around volumes, dependencies, and exposed ports.
How YAML Config Validator Works
- You paste a YAML file or snippet and specify the target system when needed: Kubernetes, Docker Compose, GitHub Actions, or generic YAML.
- Openclaw Skills parses the document and checks indentation, key uniqueness, scalar types, and required fields.
- The skill applies platform-aware rules, including Kubernetes safety checks, Compose topology checks, and workflow-structure sanity checks.
- It returns a clear diagnosis, the risky lines or patterns, and a corrected YAML snippet where possible.
- It recommends a local verification command such as
yamllint,kubectl apply --dry-run=client, ordocker compose configso you can confirm the fix immediately.
YAML Config Validator Setup
Openclaw Skills is prompt-driven, so there is no runtime package to install inside the skill itself. Add it to your Openclaw Skills catalog or agent skill directory, then keep your preferred local validators available for the file types you work with.
- Add the skill to your enabled skill set.
- Install optional local validators in your dev environment.
- Paste the YAML and name the target platform so the right rules are applied.
pip install yamllint
yamllint config.yaml
kubectl apply --dry-run=client -f k8s.yaml
docker compose config
YAML Config Validator Data Schema & Taxonomy
Openclaw Skills does not create a persistent database; it processes one YAML document or manifest fragment at a time and returns diagnostics, remediation text, and a validation command.
| Layer | Purpose | Examples |
|---|---|---|
| Input artifact | Raw YAML content supplied by the user | deployment.yaml, docker-compose.yml, workflow snippet |
| Syntax checks | Generic YAML parsing rules | indentation, duplicate keys, type mismatches |
| Domain rules | Platform-specific validation logic | image: latest, missing limits, hostPath, port conflicts |
| Remediation output | Suggested fixes and next-step commands | corrected snippet, yamllint, kubectl apply --dry-run=client, docker compose config |
| Metadata taxonomy | How findings are classified | syntax, schema, security, runtime, CI |
Generated artifacts:
- Corrected snippet when a safe rewrite is possible.
- Human-readable explanation of the issue and why it matters.
- One local validation command tailored to the file type.
Files are not written automatically; the skill is advisory and validation-focused.
Capability tiers:
- Free/open-source local mode: core validation and fix guidance.
- Pro/enterprise mode: batch validation, advanced tuning, API or automation integration, and priority support with SLA.
YAML Config Validator Advanced Features
- Context-aware analysis across generic YAML, Kubernetes, Docker Compose, and GitHub Actions.
- Security-first checks for risky deployment patterns such as
latestimages, privileged containers,hostPathmounts, and missing resource limits. - Fix-first remediation that returns corrected snippets alongside the rationale and a local validation command.
- Openclaw Skills can scale from local review to enterprise automation with batch workflows, API integration, advanced tuning, and priority support.
- Lightweight enough to fit into developer workflows as a fast pre-commit, pre-deploy, or CI review step.
SKILL.md
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