io.github.lbruce-wq/international-classifications
International Classifications MCP
Deterministic MCP for statistical classifications and survey codelists with provenance.
alive probed 2026-10-05 · HTTP 200
10tools
2.1ktokens in Claude Opus 5.5
2.2ktokens in Claude Code
1.0 %of a 200k context window
1.1ko200k_base estimate
703 msto initialize
251 msto list tools
- Endpoint
- https://classifications.impactengines.ai/mcp (streamable-http)
- Host
- classifications.impactengines.ai
- Protocol
- 2025-11-25
- Reports itself as
- International Classifications MCP 0.5.2
- Capabilities
- experimental, prompts, resources, tools
- Instructions
- 1 166 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/lbruce-wq/international-classifications-mcp
- Registry
- active, updated 2026-10-01 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| export_choice_list | 174 | 16 % |
| recommend_classifications | 159 | 15 % |
| search_codes | 149 | 14 % |
| browse_hierarchy | 125 | 11 % |
| map_codes | 119 | 11 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-05 14:54 | alive | 703 ms | 10 | 2.1k | 1.1k |
| 2026-10-05 00:37 | alive | 624 ms | 10 | 1.1k | |
| 2026-10-04 10:05 | alive | 1.3 s | 10 | 1.1k | |
| 2026-10-04 07:59 | alive | 2.3 s | 10 | 1.1k | |
| 2026-10-03 20:38 | alive | 1.1 s | 10 | 1.1k | |
| 2026-10-03 17:54 | alive | 773 ms | 10 | 1.1k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.lbruce-wq/international-classifications)
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.