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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