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About

StackRails is a software architecture and AI coding governance platform for engineering organizations. It builds a live knowledge graph of repositories, services, APIs, events, and cloud infrastructure, then provides coding agents with architecture and policy context through the Model Context Protocol (MCP). It supports Claude Code, GitHub Copilot, Cursor, and OpenAI Codex, and checks generated code against organization-defined rules on developers’ machines and in pull-request workflows. Teams can use it to map cross-repository dependencies, assess change impact, maintain architecture documentation, manage engineering policies, and run AI-assisted architectural reviews. StackRails is available as a hosted EU service, in customer-managed cloud environments on AWS, Microsoft Azure, or Google Cloud, and as an on-premises deployment.

About

Willow is a leading enterprise platform for governing AI agents, tools, MCP servers, skills, and plugins. It connects agents such as Claude, ChatGPT, Cursor, Codex, Gemini, n8n, and custom agents to internal systems and SaaS tools, including Jira, GitHub, Slack, and databases, through an MCP gateway. Agents receive human-linked identities, scoped permissions, and audit trails. Security teams define policies, while employees self-serve approved connectors, skills, and plugins. Features include shadow AI discovery; PII redaction and prompt-injection inspection; app- and action-level permissions; SSO, SCIM, and RBAC with Okta, Entra ID, and JumpCloud; SIEM export; token and cost monitoring; and background agents. Willow is available as SaaS, dedicated cloud, or on-premises in a customer VPC. It holds SOC 2 Type II attestation, is GDPR-ready.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Not Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Enterprise engineering leaders, software architects, platform engineering teams and security teams.

Audience

Enterprise security, IT, and AI enablement teams governing AI agent adoption.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$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 Version Not Supported
Free Trial Not Supported

Pricing

$0
Free plan: $0 forever, up to 15 users and 15 integrations, with unlimited tool calls. Enterprise pricing is annual per human seat with volume tiers; contact the vendor for a quote.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Supported

Company Information

StackRails
Founded: 2026
Ireland
stackrails.ai

Company Information

Willow
Founded: 2025
United States
withwillow.ai

Alternatives

Norma

Norma

Quality Clouds

Alternatives

Zof

Zof

Zof AI, Inc.

Categories

AI Governance Supported

Categories

AI Agent Security Supported
AI Control Planes Supported
AI Governance Supported
AI Usage Control Supported
MCP Gateways Supported

Integrations

Cursor Supported
GitHub Supported
Model Context Protocol (MCP) Supported
OpenAI Codex Supported
Agent Search on Gemini Enterprise Agent Platform Not Supported
Azure DevOps Supported
Bitbucket Supported
Claude Not Supported
Claude Code Supported
Confluence Not Supported
Datadog Not Supported
GitHub Actions Not Supported
GitHub Copilot Supported
Jira Not Supported
JumpCloud Not Supported
Notion Not Supported
Okta Not Supported
Snowflake Not Supported
Zendesk Not Supported
monday AI work platform Not Supported

Integrations

Cursor Supported
GitHub Supported
Model Context Protocol (MCP) Supported
OpenAI Codex Supported
Agent Search on Gemini Enterprise Agent Platform Supported
Azure DevOps Not Supported
Bitbucket Not Supported
Claude Supported
Claude Code Not Supported
Confluence Supported
Datadog Supported
GitHub Actions Supported
GitHub Copilot Not Supported
Jira Supported
JumpCloud Supported
Notion Supported
Okta Supported
Snowflake Supported
Zendesk Supported
monday AI work platform Supported
Claim StackRails and update features and information
Claim StackRails and update features and information
Claim Willow and update features and information
Claim Willow and update features and information