Barzel Central Gateway: Enterprise MCP Governance Gateway

Barzel Central Gateway is a Model Context Protocol (MCP) governance gateway and control plane for enterprise AI agents. It helps platform teams inventory MCP servers and tools, map capabilities, compare routes, evaluate identity-aware policy, score tool risk, coordinate human approvals, simulate multi-server workflows, and generate routebooks, SIEM-ready evidence, capacity forecasts, dashboards, and governance reports.

What is an MCP gateway?

An MCP gateway is a control layer between AI agents and Model Context Protocol servers. Unlike a traditional API gateway that focuses on HTTP traffic and services, Barzel Central Gateway focuses on AI-agent tools and capabilities: MCP asset inventory, capability graphs, tool contracts, routebooks, identity context, approval gates, workflow plans, risk scoring, and governance evidence.

Core enterprise use cases

• Register and inventory MCP servers, virtual servers, legacy adapters, tools, owners, environments, regions, protocols, labels, cost, and risk.
• Build an MCP capability graph and identify duplicate, missing, unhealthy, or unsupported routes.
• Recommend and compare routes by region, owner, protocol, cost, tool risk, approval, and policy constraints.
• Evaluate user identity, role, department, team, credential mode, PII, redaction, budget, and approval policy before execution.
• Score MCP tools for money movement, deletion, PII, external access, credential exposure, legal impact, and least-privilege requirements.
• Plan and simulate governed multi-server AI agent workflows.
• Generate MCP routebooks, observability summaries, SIEM-ready evidence packs, capacity forecasts, and executive governance reports.

Identity-aware and zero-trust governance

Policy evaluation supports user id, roles, department, team, environment, target region, asset labels, parameters, PII presence, and credential mode. Higher-risk tools can trigger denial, redaction, human approval, quorum requirements, budget controls, or per-user OAuth/OIDC recommendations.

SIEM and observability evidence

Evidence is structured for JSON, CSV, NDJSON, OpenTelemetry, webhook, and syslog-style workflows, with guidance for Splunk, Datadog, Elastic, Grafana, Microsoft Sentinel, Amazon CloudWatch, and similar platforms.

Clear boundary from BarzelVault

Barzel Central Gateway owns MCP topology, capability routing, tool contracts, routebooks, identity-aware governance, workflow coordination, capacity, and control-plane evidence. BarzelVault owns runtime AI action firewall, threat controls, attack detection, and secret protection. The products are complementary and intentionally avoid functional overlap.

Public MCP surface

• 25 tools
• 18 resources
• 15 prompts

Machine-readable discovery

The project publishes an MCP server card, schema.org SoftwareApplication and FAQ metadata, an AI discovery manifest, llms.txt, llms-full.txt, citation metadata, public FAQs, use cases, and comparison documentation.

Marketplace: https://mcpize.com/mcp/barzel-central-gateway-mcp-server Hosted gateway: https://barzel-central-gateway-mcp-server.mcpize.run Source and documentation: https://github.com/Realbizdigital/barzel-central-gateway-mcp-server