Google Custom Search MCP MCP Server

io.github.A1-x-Tech/mcp-google-custom-search

Repository Registry

What is the Google Custom Search MCP MCP server?

MCP server for Google Custom Search: web and image search via a Programmable Search Engine.

How to install Google Custom Search MCP

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

GOOGLE_CUSTOM_SEARCH_API_KEY
required
secret
Google Cloud API key with the Custom Search API enabled. Treat it as a secret.
GOOGLE_CUSTOM_SEARCH_ENGINE_ID
Default Programmable Search Engine id (cx). Tools accept a per-call engine_id override.
GOOGLE_CUSTOM_SEARCH_API_BASE
API root override.
GOOGLE_CUSTOM_SEARCH_TIMEOUT_MS
Per-request timeout in milliseconds.
GOOGLE_CUSTOM_SEARCH_MAX_RETRIES
Retries on transient errors (429, and 5xx/network — the API is idempotent GETs only).

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mcp-google-custom-search": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-google-custom-search"
      ],
      "env": {
        "GOOGLE_CUSTOM_SEARCH_API_KEY": "<YOUR_GOOGLE_CUSTOM_SEARCH_API_KEY>",
        "GOOGLE_CUSTOM_SEARCH_ENGINE_ID": "<YOUR_GOOGLE_CUSTOM_SEARCH_ENGINE_ID>",
        "GOOGLE_CUSTOM_SEARCH_API_BASE": "<YOUR_GOOGLE_CUSTOM_SEARCH_API_BASE>",
        "GOOGLE_CUSTOM_SEARCH_TIMEOUT_MS": "<YOUR_GOOGLE_CUSTOM_SEARCH_TIMEOUT_MS>",
        "GOOGLE_CUSTOM_SEARCH_MAX_RETRIES": "<YOUR_GOOGLE_CUSTOM_SEARCH_MAX_RETRIES>"
      }
    }
  }
}

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