io.github.pipeworx-io/books
Books
Books MCP — wraps Open Library API (free, no auth)
alive probed 2026-10-15 · HTTP 200
45tools
38ktokens in Claude Opus 5.5
38ktokens in Claude Code
18.9 %of a 200k context window
23ko200k_base estimate
169 msto initialize
204 msto list tools
- Endpoint
- https://gateway.pipeworx.io/books/mcp (streamable-http)
- Host
- gateway.pipeworx.io
- Protocol
- 2025-03-26
- Reports itself as
- pipeworx-gateway 0.1.0
- Capabilities
- prompts, resources, tools
- Instructions
- 702 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/pipeworx-io/mcp-books
- Website
- https://pipeworx.io/packs/books
- Registry
- active, updated 2026-09-25 · registry entry
- Reachable
- 16 of the last 16 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| polymarket_kalshi_spread | 1 738 | 8 % |
| bet_research | 1 225 | 5 % |
| polymarket_edges | 1 175 | 5 % |
| subscribe | 1 134 | 5 % |
| company_facts | 1 093 | 5 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-15 11:03 | alive | 66 ms | 45 | 38k | 23k |
| 2026-10-14 19:16 | alive | 108 ms | 45 | 38k | 23k |
| 2026-10-14 09:31 | alive | 251 ms | 45 | 38k | 23k |
| 2026-10-13 11:22 | alive | 91 ms | 44 | 36k | 22k |
| 2026-10-12 11:51 | alive | 276 ms | 44 | 35k | 21k |
| 2026-10-11 10:32 | alive | 79 ms | 44 | 35k | 21k |
| 2026-10-10 10:26 | alive | 141 ms | 44 | 35k | 21k |
| 2026-10-09 11:26 | alive | 108 ms | 44 | 35k | 21k |
| 2026-10-08 11:20 | alive | 84 ms | 40 | 31k | 19k |
| 2026-10-07 11:18 | alive | 254 ms | 40 | 31k | 19k |
| 2026-10-05 15:31 | alive | 169 ms | 40 | 31k | 19k |
| 2026-10-05 00:44 | alive | 58 ms | 40 | 19k | |
| 2026-10-04 10:07 | alive | 85 ms | 40 | 19k | |
| 2026-10-04 08:00 | alive | 53 ms | 40 | 19k | |
| 2026-10-03 20:40 | alive | 108 ms | 40 | 19k | |
| 2026-10-03 17:55 | alive | 97 ms | 40 | 19k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.pipeworx-io/books)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.