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Average Ratings 0 Ratings

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ease
features
design
support

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Write a Review

Description

When engineering standards live in wikis, tickets, and CI templates, they are difficult to apply consistently across a growing software organization. Earthly Lunar gives platform engineering teams a central way to enforce those standards across different repositories, pipelines, and developer workflows. It gathers evidence from source code and CI/CD execution, normalizes it into a service-level view, and runs deterministic guardrails against that data. A guardrail might require test coverage, an approved dependency, an SBOM, or a deployment check. Teams can introduce policies in a visibility-only mode, surface findings on pull requests, and move to blocking checks when ready. Developers get actionable feedback on proposed changes while platform leaders see adoption across the organization. Lunar includes a library of 200+ guardrails and supports custom policies for company-specific requirements, including lessons from incidents. Continuous results provide a record of what was checked and when, reducing the work of gathering compliance evidence.

Description

StackRails serves as a platform designed for software architecture and AI coding governance specifically tailored for engineering teams. It creates a dynamic knowledge graph that encompasses repositories, services, APIs, events, and cloud infrastructure, enabling coding agents to access architecture and policy insights via the Model Context Protocol (MCP). This platform is compatible with tools like Claude Code, GitHub Copilot, Cursor, and OpenAI Codex, ensuring that generated code adheres to rules set by the organization on developers’ local machines and during pull-request processes. Engineering teams can leverage its capabilities to trace cross-repository dependencies, evaluate the impact of changes, keep architecture documentation up to date, oversee engineering policies, and conduct AI-driven architectural assessments. StackRails offers flexibility in deployment; it can be utilized as a hosted service in the EU, within customer-managed cloud settings on platforms such as AWS, Microsoft Azure, or Google Cloud, and it also supports on-premises installations for added security and control. This versatility ensures that organizations can adopt StackRails in a manner that best suits their operational needs and compliance requirements.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

Claude Code Yes 
Cursor Yes 
GitHub Yes 
GitLab Yes 
OpenAI Codex Yes 
Bitbucket No 
C++ Yes 
Claude Yes 
CodeQL Yes 
GitHub Copilot No 
Java Yes 
JavaScript Yes 
Kubernetes Yes 
Model Context Protocol (MCP) No 
Node.js Yes 
PHP Yes 
Scala Yes 
Slack Yes 
Snyk Yes 
Terraform Yes 

Integrations

Claude Code Yes 
Cursor Yes 
GitHub Yes 
GitLab Yes 
OpenAI Codex Yes 
Bitbucket Yes 
C++ No 
Claude No 
CodeQL No 
GitHub Copilot Yes 
Java No 
JavaScript No 
Kubernetes No 
Model Context Protocol (MCP) Yes 
Node.js No 
PHP No 
Scala No 
Slack No 
Snyk No 
Terraform No 

Pricing Details

Contact Earthly to discuss your requirements and receive current pricing for Lunar.
Free Trial No 
Free Version No 

Pricing Details

$15,000/year
The annual minimum contract is $15,000. Pricing scales with team size, with no usage meter or overage charges. A free 14-day Architectural Risk Assessment is available; it is an assessment, not a free software version or product trial. Premium support and self-hosting are optional.
Free Trial No 
Free Version No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises Yes 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) Yes 
In Person No 

Types of Training

Training Docs No 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Earthly Lunar

Founded

2020

Country

United States

Website

earthly.dev/

Vendor Details

Company Name

StackRails

Founded

2026

Country

Ireland

Website

stackrails.ai

Product Features

Alternatives

Alternatives

No Alternatives
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