com.professorotter/activities
Professor Otter
Free printable kids activities: word searches, mazes, color by number, sudoku and more.
alive probed 2026-10-06 · HTTP 200
6tools
2.0ktokens in Claude Opus 5.5
2.0ktokens in Claude Code
1.0 %of a 200k context window
1.2ko200k_base estimate
442 msto initialize
102 msto list tools
- Endpoint
- https://professorotter.com/mcp (streamable-http)
- Host
- professorotter.com
- Protocol
- 2025-11-25
- Reports itself as
- professor-otter 1.0.0
- Capabilities
- resources, tools
- Instructions
- 1 138 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-06. Counted again when the tool definitions change. Method.
- Website
- https://professorotter.com
- Registry
- active, updated 2026-10-04 · registry entry
- Reachable
- 3 of the last 3 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| make_word_search | 358 | 30 % |
| search_activities | 267 | 22 % |
| get_activity | 201 | 17 % |
| show_word_search | 171 | 14 % |
| list_activities | 111 | 9 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-06 10:52 | alive | 1.5 s | 6 | 2.0k | 1.2k |
| 2026-10-05 13:35 | alive | 442 ms | 6 | 2.0k | 1.2k |
| 2026-10-05 00:19 | alive | 3.6 s | 6 | 1.2k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.professorotter/activities)
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.