RealmGuard vs Stacklok Enterprise MCP Platform: side-by-side comparison (2026)
RealmGuard is a commercial LLM guardrails solution by Realm Labs. Stacklok Enterprise MCP Platform is a commercial agentic AI security solution by Stacklok. Features, integrations, deployment and the company behind each one, side by side.
AI guardrail platform detecting harmful outputs, prompt injections & policy violations.
Secure gateway platform for governing AI agent MCP server access in enterprises.
Side-by-side comparison
Feature
RealmGuard
Stacklok Enterprise MCP Platform
Pricing model
Commercial
Commercial
Category
LLM Guardrails
Agentic AI Security
Deployment and fit
Deployment type
Hybrid
Cloud
Company size fit
SMB, Mid-Market, Enterprise
Mid-Market, Enterprise
Company
Company
Realm Labs
Stacklok
Use cases and capabilities
LLM Guardrails
Yes
No
LLM Security
Yes
No
Prompt Injection
Yes
No
AI Firewall
Yes
No
GenAI Security
Yes
No
Content Filtering
Yes
No
PII
Yes
No
AI Compliance
Yes
No
AI Governance
Yes
No
OWASP
Yes
No
Security Policy
No
Yes
Least Privilege
No
Yes
Gateway
No
Yes
Generative AI
No
Yes
MCP Security
No
Yes
Core features
10 features listed
9 features listed
Integrations
No integrations listed
3 integrations listed
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