io.github.malamutemayhem/openlibrary

Open Library MCP by UnClick

Is the Open Library MCP by UnClick MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.

Open Library tools for books, openlibrary, library by UnClick.

alive probed 2026-11-14 · unchanged since 2026-10-30

6tools

599tokens in Claude Opus 5.5

0.3 %of Claude's 200k window

0.2×the median server

264 msto initialize

5 msto list tools

Run it: npx -y @unclick/openlibrary-mcp@0.1.0 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: io.github.malamutemayhem/openlibrary 0.1.0
Capabilities: tools
Instructions: none
Of a 1M window: <0.1 % of a 1M context window
Count: 599 tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 659. The o200k_base estimate is 305. Counted again when the tool definitions change. Method.
Repository: https://github.com/malamutemayhem/unclick.git
Website: https://unclick.world
Registry: active, updated 2026-06-01 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.96×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
openlibrary_get_book	114	58	19 %
openlibrary_get_author	112	57	19 %
openlibrary_search	108	55	18 %
openlibrary_author_works	108	55	18 %
openlibrary_get_edition	92	47	15 %

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

Servers that mention openlibrary or library or unclick.

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.