# MCP Identity Gateway 1.30 release

Aembit has released [MCP Identity Gateway](/user-guide/deploy-install/mcp-identity-gateway) version 1.30.4549.

For the latest available versions of these components, see the [Edge Components Supported Versions](/reference/edge-components/edge-component-supported-versions) page.

Key Updates:

* The Gateway now [authenticates requests before proxying](/user-guide/deploy-install/mcp-identity-gateway/concepts-mcp-gateway/#security-model) them to upstream MCP servers (new default behavior)
* MCP responses include [tool annotations](/user-guide/deploy-install/mcp-identity-gateway/reference-mcp-gateway/#tool-methods)
* The Gateway returns HTTP 405 for GET requests to the MCP endpoint
* Unauthorized (401) responses now include additional metadata for easier troubleshooting
* The Gateway forwards errors from upstream MCP servers to MCP clients
* The Gateway honors the [`AEMBIT_TRUSTED_ISSUER_DOMAINS`](/user-guide/deploy-install/mcp-identity-gateway/env-vars-mcp-gateway/#aembit_trusted_issuer_domains) environment variable for trusted issuer configuration
* A new [metrics endpoint](/user-guide/deploy-install/mcp-identity-gateway/env-vars-mcp-gateway/#aembit_metrics_port) provides Gateway operational metrics on a configurable port
* Improved compatibility with Claude Desktop and other MCP clients
* Improved handling of MCP servers that don’t support [resources](/user-guide/deploy-install/mcp-identity-gateway/concepts-mcp-gateway/#mcp-resource-support)
* General improvements to session management, installer reliability, and internal performance