Agent-Skills.md

Agent Skills: OPA Policy Templates

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UncategorizedID: adaptive-enforcement-lab/claude-skills/opa-policy-templates

Repository

adaptive-enforcement-lab/claude-skills
adaptive-enforcement-labLicense: MIT

Install this agent skill to your local

pnpm dlx add-skill https://github.com/adaptive-enforcement-lab/claude-skills/tree/HEAD/plugins/enforce/skills/opa-policy-templates

Skill Files

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plugins/enforce/skills/opa-policy-templates/SKILL.md

Skill Metadata

Name
opa-policy-templates
Description
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OPA Policy Templates

When to Use This Skill

Deploy in Audit Mode First

Use enforcementAction: dryrun initially. Existing resources may violate constraints. Monitor violations for 48 hours using kubectl get constraints, fix non-compliant resources, then switch to deny.

Production-ready OPA/Gatekeeper constraint templates for Kubernetes admission control. 20 policies covering pod security, image validation, RBAC, and resource governance. Each template includes complete Rego implementation, constraint examples, customization options, validation commands, and real-world use cases.

Implementation

Standard deployment workflow for all templates:

See examples.md for detailed code examples.

Comparison

Choosing between OPA/Gatekeeper and Kyverno depends on your team's expertise and requirements:

Use OPA/Gatekeeper When

  • You need maximum flexibility in policy logic (Rego is Turing-complete)
  • Your team has Rego expertise or investment in OPA across multiple systems
  • You require cross-platform policy (Kubernetes, Terraform, Envoy, etc.)
  • Policies involve complex conditional logic or multi-resource validation
  • You're building a policy platform for enterprise governance

Use Kyverno When

  • You want Kubernetes-native YAML policies (no DSL learning curve)
  • You need mutation and generation features (OPA is validation-only)
  • Your team prefers JMESPath over Rego for data extraction
  • You want faster time-to-value with simpler policies
  • You're new to policy-as-code and want quick adoption

See Decision Guide → for detailed comparison and migration strategies.

Examples

See examples.md for code examples.

Full Reference

See reference.md for complete documentation.

Related Patterns

  • Kyverno Templates →
  • Decision Guide →
  • OPA/Kyverno Comparison →
  • Migration Guide →
  • Template Library Overview →

References