io.github.mrfentmen/volcano-mcp
volcano-mcp
Is the io.github.mrfentmen/volcano-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-09.
Smithsonian Global Volcanism Program: search Holocene volcanoes, read summaries, eruption years and
alive probed 2026-11-14 · unchanged since 2026-11-09
- Run it
- npx -y @mrfentmen/volcano-mcp@1.0.2 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- volcano-mcp 1.0.1
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- <0.1 % of a 1M context window
- Count
- 374 tokens in Claude Opus 5.5, exact, measured 2026-10-29. With the Claude Code prefix mcp__…__ on each tool name: 398. The o200k_base estimate is 210. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/mrfentmen/awesome-servers
- Registry
- active, updated 2026-11-08 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.78×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| search_volcanoes | 208 | 117 | 56 % |
| volcano_detail | 166 | 93 | 44 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.mrfentmen/virustotal-mcp · alive
- io.github.mrfentmen/visual-basic-net-mcp · alive
- io.github.mrfentmen/vndb-mcp · alive
- io.github.mrfentmen/vocadb-mcp · alive
- io.github.mrfentmen/volt-mcp · alive
- io.github.mrfentmen/votable-mcp · alive
- io.github.mrfentmen/vpic-mcp · alive
- io.github.mrfentmen/vsam-mcp · alive
Servers that mention volcano.
- DaedalMap Volcanic Activity com.daedalmap/volcanoes · rate limited
- com.volcanodog/mcp-server · no DNS
- Hawaii Conditions MCP Server io.github.Spacemandomains/hawaii-conditions · alive
- Vedar — Kamchatka travel ru.vedarai/mcp · alive
- Usgs Volcano io.github.pipeworx-io/usgs-volcano · alive
- Japan Agent API io.github.mk-career-planning/japan-agent-api · alive
- Volcano Guide – volcano alert levels com.volcano-guide/alert-levels · alive
- io.github.ExpertVagabond/volcengine · 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.