MCP Gateway & Security Setup
One control point for every agent, tool, and token.
The Model Context Protocol is now the open standard connecting AI agents to your tools and data — and any production MCP deployment ends up behind a gateway that becomes the single most critical security boundary in your agent stack. We design and deploy that gateway with authentication, authorization, sanitization, and observability enabled by default.
An MCP Gateway & Security Setup routes all Model Context Protocol traffic through one hardened proxy that authenticates agents (OAuth 2.1 + mTLS), authorizes tool calls with default-deny policy-as-code, validates and sanitizes inputs and outputs to block prompt injection, manages secrets outside the agent context, keeps a registry of approved servers, and centralizes audit logging. Typical setup: 2–4 weeks.
Why Now
MCP standardizes how agents talk to tools, but it deliberately leaves governance out of scope: each server chooses whether to implement auth, the authorization server is out of spec, and there is no central place to enforce policy or audit usage. That governance gap is dangerous once agents can reach sensitive systems — a single poisoned document can escalate to remote code execution. The 2026 consensus is unambiguous: centralize controls at a gateway rather than scattering security logic across every server.
Minimum required auth for HTTP-based MCP servers since the 2025-03 spec
MCP Specification
Recommended posture for every tool call, enforced with policy-as-code (OPA / Cedar)
Cloud Security Alliance, 2026
A gateway is the single most critical security boundary in an agent stack
MCP security guidance, 2026
What You Get
How It Works
Threat Model & Inventory
We catalog your MCP servers, the systems they reach, and the data classes involved, then model the attack surface.
Gateway & Authentication
We deploy the gateway as the mandatory boundary and enforce OAuth 2.1 + mTLS with audience-bound tokens.
Policy & Sanitization
Default-deny policy-as-code for tool calls, plus strict input/output validation and PII redaction against prompt injection.
Observability & Supply Chain
Centralized audit logging and anomaly alerts, an approved-server registry, version pinning, and sandboxed execution.
Who It's For
- Teams running more than a few MCP servers
- Enterprises connecting agents to sensitive or regulated data
- Platform teams standardizing agent infrastructure
- Anyone hardening an existing agent stack for production
Frameworks & Tools
What This Delivers
Representative outcomes based on typical engagements and industry benchmarks.
Central control point governing every agent tool call
Plus default-deny policy enforced across the fleet
Tool calls authenticated, sanitized, and audit-logged
“Security stopped being per-server guesswork. Every tool call now goes through one gateway with real policy and a full audit log.”
Frequently Asked Questions
Securing each server distributes the work across every developer, guarantees inconsistency, and leaves fragmented coverage. A gateway implements the controls once at the trust boundary the MCP architecture already has — for more than a few servers it reduces cost and improves coverage.
It inspects every tool call and response, validates inputs against a strict schema, and redacts sensitive data from outputs before they reach the model context. That strips malicious instructions hidden in tool responses — the primary indirect prompt-injection vector.
Yes. The gateway sits between your agents and their MCP servers, so agents keep calling tools as before while authentication, authorization, sanitization, and logging are enforced centrally.
Most gateways are production-ready in 2–4 weeks, including auth, default-deny policies, sanitization, audit logging, and the approved-server registry with version pinning.
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Learn More →Ready to start your MCP Gateway & Security Setup?
Typical timeline: 2–4 weeks. Tell us about your situation and we'll scope it in a free call.
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