GatewayStack ChatGPT Starter vs AuthzX Gateway

OAuth-protected gateway that provides secure tool execution with JWT-based authentication and authorization, integrating with providers like Auth0, Clerk, Google, and Okta to verify bearer tokens and enforce scope-based permissions before proxying tool calls to backend services.

Authorization gateway that sits between MCP clients and MCP servers, intercepting tool calls to enforce access control and fine-grained permissions.

MCP Servers

MCP Servers

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