Individual skill
api-gateway-mcp-server
Configures Google Cloud API Gateway to act as a remote Model Context Protocol (MCP) server (Public Preview) that exposes REST APIs as agent tools over HTTP (POST /mcp). Use when migrating OpenAPI 2.0 specs to OpenAPI 3.x for MCP, annotating specs with x-google-api-management.mcp and x-google-mcp-tool, securing tools/list with JWTs or API keys, connecting Google ADK (McpToolset) or Apigee API hub and Agent Registry, or troubleshooting MCP JSON-RPC errors (-32601, -32602, -32000). Do not use for Apigee X proxy bundles, outbound LLM model routing, or GKE Gateway API.
skills/cloud/api-gateway-mcp-server/SKILL.md
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- Last checked
- Nov 9, 2026
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- 23,735
- Repository last updated
- Nov 7, 2026
- License
- Apache-2.0
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- google Repository topic
- googlecloud Repository topic
- skills Repository topic
- engineering Derived category
- docs Derived category
- docs-api Derived category
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SKILL.mdcore · 16,694 bytesSKILL.mdcore · 16,694 bytesSKILL.mdcore · 16,694 bytesSKILL.mdcore · 16,694 bytesSKILL.mdcore · 16,694 bytesSKILL.mdcore · 16,694 bytesreferences/adk-and-api-hub-discovery.mddoc · 6,799 bytesreferences/attribution.mddoc · 1,906 bytesreferences/mcp-limitations-and-troubleshooting.mddoc · 10,984 bytesreferences/openapi-agent-tool-optimizer.mddoc · 5,595 bytesreferences/openapi-v2-to-v3-mcp-migration.mddoc · 17,615 bytesscripts/validate_mcp_openapi.pyruns · 22,552 bytes
Read excerpt
# API Gateway Remote MCP Server (Public Preview)
This skill converts new or existing REST APIs on Google Cloud API Gateway into remote Model Context Protocol (MCP) servers (`POST https://{default_hostname}/mcp`, **Public Preview**). By annotating an OpenAPI 3.x (3.0.x or 3.1.x) specification with `x-google-api-management.mcp` and `x-google-mcp-tool`, API Gateway translates MCP JSON-RPC 2.0 requests (`initialize`, `notifications/initialized`, `tools/list`, `tools/call`) into standard HTTP REST requests to your backend while enforcing existing authentication and quota policies.
## Attribution
**MUST READ**: Before executing any `gcloud`, REST API, or MCP command, you
MUST read [Usage Attribution](references/attribution.md). For commands executed
directly in the terminal (never in generated scripts, Terraform, or user code),
prefix `gcloud` with
`CLOUDSDK_METRICS_REQUEST_ATTRIBUTION="agent-skills/1.0 (skill:api-gateway-mcp-server)"`
and append `agent-skills/1.0 (skill:api-gateway-mcp-server)` to `User-Agent` headers.
## Prerequisites