io.github.pipeworx-io/catfacts
Catfacts
Cat Facts MCP — wraps Cat Facts API (free, no auth)
alive probed 2026-10-15 · HTTP 200
44tools
37ktokens in Claude Opus 5.5
38ktokens in Claude Code
18.7 %of a 200k context window
23ko200k_base estimate
269 msto initialize
112 msto list tools
- Endpoint
- https://gateway.pipeworx.io/catfacts/mcp (streamable-http)
- Host
- gateway.pipeworx.io
- Protocol
- 2025-03-26
- Reports itself as
- pipeworx-gateway 0.1.0
- Capabilities
- prompts, resources, tools
- Instructions
- 708 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-catfacts
- Website
- https://pipeworx.io/packs/catfacts
- 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 11:04 | alive | 66 ms | 44 | 37k | 23k |
| 2026-10-14 19:17 | alive | 118 ms | 44 | 37k | 23k |
| 2026-10-14 09:32 | alive | 126 ms | 44 | 37k | 23k |
| 2026-10-13 11:23 | alive | 91 ms | 43 | 35k | 22k |
| 2026-10-12 11:52 | alive | 135 ms | 43 | 35k | 21k |
| 2026-10-11 10:33 | alive | 225 ms | 43 | 35k | 21k |
| 2026-10-10 10:27 | alive | 123 ms | 43 | 35k | 21k |
| 2026-10-09 11:27 | alive | 85 ms | 43 | 35k | 21k |
| 2026-10-08 11:21 | alive | 97 ms | 39 | 31k | 19k |
| 2026-10-07 11:19 | alive | 238 ms | 39 | 31k | 19k |
| 2026-10-05 15:32 | alive | 269 ms | 39 | 31k | 19k |
| 2026-10-05 00:44 | alive | 62 ms | 39 | 19k | |
| 2026-10-04 10:07 | alive | 90 ms | 39 | 19k | |
| 2026-10-04 08:00 | alive | 110 ms | 39 | 19k | |
| 2026-10-03 20:40 | alive | 95 ms | 39 | 19k | |
| 2026-10-03 17:56 | alive | 117 ms | 39 | 19k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.pipeworx-io/catfacts)
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.