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Building AI Agents with MCP: Architecture, Security, and Enterprise Deployment
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Last updated: April 2026
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willow vs. Runlayer: Two Approaches to AI Agent Access

Runlayer routes MCP traffic with 18K+ servers. willow is an AI governance platform—shadow AI detection, unified build & runtime guards, infrastructure-as-code via GitHub, a plugin marketplace, and a single CLI for your IDE. Proven at 5,000+ employee orgs.

Webrix admin panel dashboard showing integration flow with Okta connecting tools like Cursor, Claude, Windsurf, VSCode on left, to Figma, GitHub, Jira, Linear, and Slack on right.

Willow Admin Console

AI governance platform for AI agents. Shadow AI detection, unified guards, plugin marketplace, infrastructure-as-code, browser extension, and machine users.

Runlayer Control Plane

MCP gateway with 18,000+ servers. Routes and secures MCP traffic with threat detection and enterprise SSO. Backed by MCP spec co-creator.

The Bottom Line

Runlayer is an MCP gateway with 18K+ servers and MCP-specific security, backed by the MCP spec team. willow is an AI governance platform with shadow AI detection, unified build & runtime guards, infrastructure-as-code via GitHub, and a plugin marketplace—battle-tested at scale.

Best for Willow

Enterprises needing AI governance beyond MCP routing—shadow AI detection, unified guards, infrastructure-as-code, and a plugin marketplace.

Best for Archestra

Teams focused on MCP who want 18K+ servers with specialized MCP security and expert backing.

Key Differentiator

willow detects shadow AI, enforces unified guards, and manages governance as code via GitHub. Runlayer is MCP-focused with the largest server catalog.

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Feature Comparison

Feature
Willow Agent Access Platform
Runlayer
Architecture
Access Control Layer—governs across protocols
MCP Pipe—routes MCP traffic
Protocol Support
MCP + REST APIs + custom integrations
MCP-focused
Service Connection
Direct to services + MCP relay
MCP server relay
MCP server relay
Hundreds of MCPs with customization
18,000+ MCP servers
API to MCP
Convert any API to governed MCP
Not supported
Deployment
Cloud, self-hosted, air-gapped on-prem
Cloud or self-hosted
Authentication
OAuth2, OIDC, SAML, JWT, SSO (Okta/Entra/JumpCloud)
OAuth2, OIDC, SAML, SSO (Okta/Entra)
Machine Users
Service accounts for automation
Not supported
Employee Portal
Self-service + toolkit creation
Not documented
IT Approval Workflows
CISO approval, sandboxed testing
Not supported
Shadow AI Detection
Detects unmanaged MCPs, skills, and AI agents + browser extension
Limited
Guards Layer
Unified build & runtime guards, easily extensible
MCP-specific threat detection
Infrastructure as Code
GitHub-based governance—manage MCPs, skills, plugins via git
Not documented
Plugin Marketplace
Skills, commands, MCPs, hooks—GitHub/GitLab 2-way sync
18,000+ MCP catalog
CLI Access
Single CLI installs entire gateway in your IDE
One-click installs
Observability
Splunk/Loki/Grafana integrations
Audit trails, dashboards
Compliance
SOC 2 Type II certified
SOC 2 Type II certified

Who Each Solution Is Best For

Willow is Best For

Organizations needing more than MCP routing—an access control plane with IT workflows. Ideal if you:

Need shadow AI detection for MCPs, skills, and AI agents
Want unified build & runtime guards—easily extensible
Prefer infrastructure-as-code governance via GitHub
Need a plugin marketplace with GitHub/GitLab sync
Want a single CLI to install your gateway in any IDE

Runlayer is Best For:

Teams focused on MCP with massive catalog needs and expert backing. Ideal if you:

Need access to 18,000+ MCP servers
Want MCP-specific threat detection
Prefer backing from MCP protocol creators
Value no-code MCP remixing
Want one-click installs across your team
Are comfortable with early-stage products

Architecture Philosophy

MCP pipe vs. access control plane—this shapes protocol support and how you connect to services.

willow provides an access control layer:

  • Shadow AI Detection: Discover unmanaged MCPs, skills, and AI agents
  • Unified Guards: Build & runtime policy enforcement, easily extensible
  • Browser Extension: Enforce governed AI usage wherever employees work
  • API to MCP: Convert any API into governed MCP instantly

Runlayer provides an MCP pipe:

  • Shadow AI Detection: Discover unmanaged MCPs, skills, and AI agents
  • Unified Guards: Build & runtime policy enforcement, easily extensible
  • Browser Extension: Enforce governed AI usage wherever employees work
  • API to MCP: Convert any API into governed MCP instantly

Deployment & Customization

Both offer flexible deployment with different customization approaches.

willow offers deep customization:

  • Plugin Marketplace: Skills, commands, MCPs, hooks—all in one place
  • GitHub/GitLab Sync: 2-way sync for Claude, Codex, Cursor integration
  • Single CLI: Install your entire gateway in your favorite IDE
  • Infrastructure as Code: Manage governance via GitHub—PRs, reviews, approvals

Runlayer offers streamlined MCP deployment:

  • Cloud or Self-Hosted: VPC/on-prem options
  • One-Click Installs: Deploy without JSON configuration
  • No-Code Building: Remix tools into custom MCPs
  • Team Sharing: Easy org-wide MCP sharing

Security & Governance

Different specializations: enterprise IT governance vs. MCP-specific threat detection.

willow delivers enterprise governance:

  • Shadow AI Detection: Discover unmanaged tools across your org
  • Unified Guards: Build & runtime enforcement, easily extensible
  • IT Approval Workflows: CISO sign-off, security checks
  • SOC 2 Type II: Full audit trails for compliance

Runlayer delivers MCP-focused security:

  • Threat Detection: Custom MCP attack vector detectors
  • Dynamic Scans: Vulnerability scanning before approval
  • EKM/BYOK: Enterprise key management support
  • SOC 2 Type II: Enterprise-grade certification

Connectors & Integrations

Catalog size vs. ability to connect to your own services.

willow provides curated connectors + custom:

  • Curated MCPs: Hundreds with fine-grained customization
  • API to MCP: Convert any REST API to governed MCP
  • Direct Connections: Connect without MCP layer when needed
  • Version Control: Track versions with rollback

Runlayer provides massive catalog:

  • 18,000+ MCPs: Largest catalog available
  • Private Registry: Add self-hosted MCPs
  • No-Code Remixing: Adapt tools without code
  • One-Click Access: Instant server connection

FAQS

Everything you need to know about Willow compared to Archestra

What's the main difference?
willow is an AI governance platform with shadow AI detection, unified guards, and infrastructure-as-code via GitHub. Runlayer is an MCP gateway with 18,000+ servers and MCP-specific security.
Which has more MCP servers?
Runlayer offers 18,000+ servers. willow has hundreds of curated MCPs but lets you convert any API to MCP and connect directly to services.
Can I use machine users for automation?
willow supports machine users for automated workflows and CI/CD. Runlayer does not currently support machine users.
Which is more production-proven?
willow has 5,000+ employee deployments. Runlayer is early-stage with notable customers like Gusto and Instacart.
Does Willow detect shadow AI usage?
Yes. Willow detects unmanaged MCPs, skills, and AI agents across your org—plus a browser extension that enforces governed AI usage. Obot does not offer shadow AI detection.

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Resources

What's happening on the AI agent frontier.

Documentation

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Rollout playbook

How to deploy across your org without chaos.

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