io.github.mrslbt/nankai-trough
nankai-trough-mcp
Is the io.github.mrslbt/nankai-trough MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.
Nankai Trough earthquake hazard & building-safety, from official Japan data. No verdicts.
alive probed 2026-11-15 · unchanged since 2026-10-31
- Run it
- npx -y nankai-trough-mcp@0.2.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- nankai-trough-mcp 0.2.1
- Capabilities
- prompts, resources, tools
- Instructions
- 2 196 characters
- Of a 1M window
- 0.3 % of a 1M context window
- Count
- 2.8k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 2.9k. The o200k_base estimate is 1.7k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/mrslbt/nankai-trough-mcp
- Website
- https://nankaitrough.bymarsel.me
- Registry
- active, updated 2026-10-06 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.66×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| preparedness_plan | 696 | 419 | 25 % |
| building_seismic_check | 400 | 241 | 14 % |
| location_probability | 357 | 215 | 13 % |
| shindo_meaning | 327 | 197 | 12 % |
| official_hazard_maps | 314 | 189 | 11 % |
Compare this server with others.
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Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.