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

Google Custom Search MCP

Is the Google Custom Search MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-01.

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

alive probed 2026-11-15 · unchanged since 2026-11-01

3tools

4.1ktokens in Claude Opus 5.5

2.0 %of Claude's 200k window

1.6×the median server

353 msto initialize

94 msto list tools

Run it: npx -y mcp-google-custom-search@1.1.1 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: mcp-google-custom-search 1.1.1
Capabilities: tools
Instructions: 1 278 characters
Of a 1M window: 0.4 % of a 1M context window
Count: 4.1k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 4.1k. The o200k_base estimate is 2.5k. Counted again when the tool definitions change. Method.
Repository: https://github.com/A1-x-Tech/mcp-google-custom-search
Website: https://github.com/A1-x-Tech/mcp-google-custom-search#readme
Registry: active, updated 2026-10-31 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.65×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
search_images	1 946	1 177	48 %
search	1 736	1 050	43 %
raw_request	392	237	10 %

Other registry entries on npmjs.com, the ones next to this name; all of them.

Servers that mention custom.

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.