Hamburger Cross Icon
API Docs Guardrails - Spec Exists

Spec Exists

api-docs.spec-exists

Verifies that at least one API specification file exists in the repository by checking if .api.spec_files[] is non-empty. Protocol-agnostic — works for REST (OpenAPI/Swagger), gRPC (protobuf), or any future API format. Skips if neither the openapi nor swagger collector has run.

openapi swagger api documentation spec

Compatible Integrations

This guardrail works with the following integrations. Click to see how to use Spec Exists with each collector.

Enable This Guardrail

Add the parent policy to your lunar-config.yml to enable this guardrail.

📄 lunar-config.yml
policies:
  - uses: github://earthly/lunar-lib/policies/api-docs@v1.0.0
    include: [spec-exists]
    # with: ...

How This Guardrail Works

This guardrail is part of the API Docs Guardrails policy. It evaluates data collected by integrations and produces a pass/fail check with actionable feedback.

When enabled, this check runs automatically on every PR and in AI coding workflows, providing real-time enforcement of your engineering standards.

Learn How Lunar Works
1
Integrations Gather Data
Collectors extract metadata from code, CI pipelines, tool outputs, and scans
2
{ } Centralized as JSON
All data merged into each component's unified metadata document
3
This Guardrail Checks Current
Spec Exists runs and provides pass/fail feedback

Configuration Options

These inputs can be configured in your lunar-config.yml to customize how the parent policy (and this guardrail) behaves.

Input Required Default Description
API Docs Guardrails

API Docs Guardrails

This guardrail is part of the API Docs Guardrails policy, which includes 3 guardrails for repository and ownership.

View Policy

Ready to Automate Your Standards?

See how Lunar can turn your engineering wiki, compliance docs, or postmortem action items into automated guardrails with our 100+ built-in guardrails.

Works with any process
check Infrastructure conventions
check Post-mortem action items
check Security & compliance policies
check Testing & quality requirements
Automate Now
Turn any process doc into guardrails
Book a Demo