LangGuard
Deterministic runtime AI governance control plane
LangGuard is a deterministic runtime AI governance control plane. Two engines work across the full agent lifecycle: SCOPE-MCP maps and compliance-classifies an agent's action surface before it ships, and Arbiter deterministically authorizes every agent action before it executes — clearing safe actions with no added latency and routing anything that crosses a Segregation-of-Duties boundary or policy threshold to a named approver. The authorization is the governance; the audit trail is automatic.
MintMCP
Enterprise MCP gateway
MintMCP is an enterprise MCP gateway that sits between AI clients and MCP servers — centralizing authentication, per-role "Virtual MCPs" for least-privilege tool access, real-time monitoring, and guardrails that block risky operations inline. Founded by an ex-Google team.
How they compare
Twelve criteria that decide whether an enterprise can prove — not just hope — that its AI agents stay inside policy.
| Criterion | LangGuard | MintMCP |
|---|---|---|
| Deterministic, rule-based authorization | ● | ◐ |
| Pre-execution enforcement | ● | ● |
| Segregation of Duties enforcement | ● | ○ |
| Excessive-agency prevention / least privilege | ● | ● |
| Design-time action-surface mapping | ● | ◐ |
| Compliance-classified tools catalog | ● | ◐ |
| Full lifecycle coverage (design-time + runtime) | ● | ◐ |
| Named-approver human-in-the-loop routing | ● | ◐ |
| SOX / GDPR / financial-GRC control mapping & evidence | ● | ○ |
| AI-specific standards (ISO 42001, EU AI Act, NIST AI RMF, OWASP LLM) | ◐ | ○ |
| Immutable / tamper-evident audit ledger | ● | ◐ |
| GRC / internal-audit / IT-governance buyer fit | ● | ◐ |
Where MintMCP is strong
- Clean per-role least privilege via 'Virtual MCPs' (e.g. draft-email without send)
- Pre-execution guardrails that block dangerous operations in real time
- 100+ managed MCP connectors with SSO/SAML/OIDC and SCIM
- SOC 2 Type II and HIPAA posture; strong founding team and backers
Where LangGuard pulls ahead
- Guardrails are hybrid (rules + ML behavioral detection), not purely deterministic
- No Segregation-of-Duties enforcement
- Design-time coverage is blog guidance, not a product capability
- Enablement catalog, not compliance-classified; no SOX/GDPR/ISO 42001 mapping
- Complete request logging, but not a tamper-evident ledger; platform-eng buyer, not GRC
The bottom line
MintMCP is a capable mcp gateway with virtual mcps. But securing how an agent operates is not the same as governing what it is allowed to do. LangGuard makes a deterministic, rule-based authorization decision on every action before it executes — enforcing Segregation of Duties, routing risky actions to named approvers, and emitting audit-grade SOX/GDPR evidence. It is the governance control plane that sits above the layer MintMCP operates in.
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Find out what your agents can do —
before your auditor does.
LangGuard maps your complete agent action surface in minutes. Free for the first five managed agents. All Scopes — Finance, IT, Procurement, HR — included from day one. No policy writing required.
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