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Developers · Updated 15 Oct, 04:17 pm IST

Google Cloud API Gateway supports MCP tools in Public Preview

Image: Google Developers Blog

Why it matters for readers: It shows how cloud gateways are adding features to connect traditional APIs with agent-based AI workflows.

  • API Gateway in Public Preview can act as a remote MCP server so agents can call existing REST operations without a separate MCP server.1
  • Developers annotate the OpenAPI spec they already deploy and API Gateway transcodes MCP JSON-RPC requests into corresponding REST requests.1
  • API Gateway is presented as a lightweight on-ramp for securing and exposing services (for example on Cloud Run) to agents quickly.1
  • For full enterprise API lifecycle, advanced policies and monetization, Google recommends using Apigee; Agent Gateway is suggested for governing agent outbound calls.1
  • Frameworks like the Agent Development Kit (ADK) and Gemini Enterprise speak MCP natively, making them compatible with API Gateway's MCP endpoint.1
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