io.github.mrfentmen/rail-infrastructure-mcp
rail-infrastructure-mcp
Is the io.github.mrfentmen/rail-infrastructure-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-29.
US rail infrastructure: highway-rail grade crossings and railroad bridges by state, with inspection.
alive probed 2026-11-15 · unchanged since 2026-10-29
- Run it
- npx -y @mrfentmen/rail-infrastructure-mcp@1.0.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- rail-infrastructure-mcp 1.0.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- <0.1 % of a 1M context window
- Count
- 871 tokens in Claude Opus 5.5, exact, measured 2026-10-29. With the Claude Code prefix mcp__…__ on each tool name: 956. The o200k_base estimate is 481. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/mrfentmen/awesome-servers
- Registry
- active, updated 2026-10-28 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.81×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| crossings_by_state | 199 | 110 | 23 % |
| bridges_by_state | 194 | 107 | 22 % |
| bridge_search | 190 | 105 | 22 % |
| crossing_detail | 152 | 84 | 17 % |
| rail_summary | 136 | 75 | 16 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
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- io.github.mrfentmen/ragel-mcp · alive
- io.github.mrfentmen/raiderio-mcp · alive
- io.github.mrfentmen/raindrop-mcp · crashed on start
- io.github.mrfentmen/rainviewer-mcp · no executable
- io.github.mrfentmen/raku-mcp · alive
- io.github.mrfentmen/random-animals-mcp · alive
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- ColdState — Deterministic Knowledge Infrastructure ai.coldstate/knowledge · alive
- Data Center Index ai.datacenterindex/datacenterindex · needs auth
- GreenlandAI ai.greenlandai/greenlandai · alive
- InfraPulse ai.infrapulse/infrapulse · rejects our protocol version
- Infrabase ai.infrabase/directory · alive
- MRC Data — China's Apparel Supply Chain Infrastructure ai.meacheal/mrc-data · alive
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.