MCP gateways compared: Cloudflare, Okta, Auth0 and Microsoft

MCP gateways act as intermediaries between AI agents and Model Context Protocol servers, centralizing tool access, credential handling, policy enforcement, and logging, but the leading products target distinct deployment models rather than serving as direct substitutes. Cloudflare MCP server portals provide a curated, Access-protected catalog of servers for employees; Okta Agent Gateway emphasizes identity-aware, per-tool authorization tied to both users and agent identities; Auth0 Agent Gateway is designed for SaaS applications whose embedded agents act across customer tenants; and Microsoft Entra’s MCP firewall monitors and filters MCP traffic from managed devices at the network layer. Other options include Amazon Bedrock AgentCore Gateway, the open-source agentgateway project, and Kong AI Gateway. Organizations should select a product based on where agents operate and their existing identity or security stack, and may combine network controls with hosted or application-level gateways. Regardless of gateway choice, MCP servers must still enforce their own OAuth-based authorization, validate token audiences, apply tool-level scopes, support appropriate client and machine authentication paths, and maintain audit records because a gateway cannot fully replace authorization at the resource itself.

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