close
Hamburger Cross Icon

Engineering Guardrails for the AI Era.

Turn AI prompts, standards, AGENTS.md files, eng wikis, cursor rules, checklists, compliance
into deterministic PR and AI-level enforcement
in minutes, not quarters

Automate Now
Paste your AGENTS.md or manual process doc and get guardrails in minutes
See How It Works
Backed by
β€’
Spencer Kimball
Spencer Kimball CEO, Cockroach Labs
β€’
Innovation Endeavors
Innovation Endeavors Founded by Eric Schmidt
β€’
Mitch Wainer
Mitch Wainer Cofounder, DigitalOcean
β€’
Florian Leibert
Florian Leibert Cofounder, Mesosphere
β€’
Jeff Dean
Jeff Dean Chief Scientist, Google
β€’
WB
Work-Bench Enterprise VC
β€’
Olivier Pomel
Olivier Pomel CEO, Datadog
β€’
Shanku Niyogi
Shanku Niyogi Leader, VSCode/Copilot/GH Actions
β€’
Cosmin Nicolaescu
Cosmin Nicolaescu CTO, Brex
β€’
HashiCorp Alumni Alumni Angel Network

Developer behavior
is fundamentally difficult to change at scale.

Image

Standards Are Scattered

AGENTS.md, wikis, Slack threads nobody follows

❌
Image

Checklists Get Rubber-Stamped

By humans and AI alike β€” no way to verify compliance

❌
Image

Human Review Is the Bottleneck

It's hard to keep up with AI-generated code volume

❌
Image

Fragmented Tooling

Every repo configured differently, no central enforcement

❌
Image

Issues Surface Too Late

Non-compliant code caught at deploy time, not authoring time

❌

❌ The Broadcast Problem

Standards communicated out-of-context
through mass channels

Any Guardrail, One Prompt Away

claude
❯
✻ Thinking
β–Έ Using  ImageEarthly Lunar skill
Creating collector and policy…
collector.sh
#!/bin/bash
for
done
policy.py
from
check
for
auth-svc
frontend
api-gateway
payments
search
cdn-proxy
k8s-infra
user-svc
notify
billing
analytics
inventory
admin
ci-runner
data-pipe
ml-engine
docs
mobile-api
scheduler
config-svc
cache
queue
logging
terraform
15% compliant
Pull requests
PR #423
PR #421
PR #419
PR #418
PR #415
  1. 1
    Image

    Describe

    Postmortem finding, compliance mandate, or zero-day. In plain language.

  2. 2
    Image

    AI Creates the Guardrail

    Data collection and enforcement. The platform handles both.

  3. 3
    Image

    Enforced Everywhere

    Every PR, every repo. Minutes, not quarters.

AI Generates Code Fast.
Guardrails Ensure It Ships Right.

Deterministic enforcement for developers and AI agents. Centrally instrumented, gradually rolled out, audit-ready by default.

Deterministic, Not Stochastic

Deterministic,
Not Stochastic

Prompts are suggestions, not constraints. Same input, same output, every time. Trustworthy enough to actually block a PR or a deploy.

Same Guardrails, Human and AI

Same Guardrails,
Human and AI

One set of standards, uniformly enforced. No separate AI governance track. Works with Claude Code, Cursor, Codex, and every pull request.

Central Instrumentation

Central
Instrumentation

Deploy once, cover every repo and pipeline. No per-team opt-in, no template drift, no repo-by-repo rollout.

Evidence as a Byproduct

Evidence as
a Byproduct

Real-time adherence dashboards and a continuous audit trail fall out of enforcement. Not a separate quarterly exercise.

Gradual Enforcement

Gradual
Enforcement

Start with visibility, add PR comments, escalate to blocking. Adjust centrally, without repo-by-repo opt-in.

Learn more β†’
Works With Your Stack

Works With
Your Stack

GitHub, GitLab, any CI/CD. Complements OPA, Rego, and existing policy tools with the structured SDLC data they need.

Write Once, Enforce Everywhere

Image Code Authoring Image Pull Request Image Deploy
Developer / AI Production
Lunar
Image
Agent Hooks
  • Fires on every file edit during authoring
  • Agent self-corrects in real-time
Lunar
Image
PR Checks
  • Automated checks on every pull request
  • Block or report per guardrail
Lunar
Image
Deploy Gates
  • Checks repo + SHA against policy results
  • Blocks deploy on failure

200+ Guardrails Included

Enforce standards across reliability, quality, security, and compliance β€” for human-written and AI-generated code alike.

CodeCov logo icon
CodeCov required
Enforce code coverage tool usage in CI
Prevent unpinned base images icon
Prevent unpinned base images
Block PRs that introduce :latest tags in Dockerfiles
Kubernetes resource limits icon
K8s resource limits required
Verify CPU and memory requests are defined
SBOM generation icon
SBOM generation in CI/CD
Meet NIST SSDF requirements
Security vendor coverage icon
Security vendor coverage
Detect Snyk/Trivy usage across all production repos
Valid CODEOWNERS file icon
Valid CODEOWNERS file
Ensure every service has clear ownership
Repository management β€’ Build & CI β€’ Deployment β€’ Security β€’ Compliance β€’ Operational readiness

Ready to Automate Your Standards?

See how Lunar can turn your AGENTS.md, engineering wiki, compliance docs, or postmortem action items into automated guardrails with our 200+ built-in guardrails.

Works with any process
check AI agent rules & prompt files
check Post-mortem action items
check Security & compliance policies
check Testing & quality requirements
Automate Now
Paste your AGENTS.md or manual process doc and get guardrails in minutes
Book a Demo