io.github.mrfentmen/z-wave-mcp
z-wave-mcp
Is the io.github.mrfentmen/z-wave-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-13.
Z-Wave MCP: parse hex frames, validate SOF, length and checksum.
alive probed 2026-11-15 · unchanged since 2026-11-13
14tools
2.7ktokens in Claude Opus 5.5
1.3 %of Claude's 200k window
1.1×the median server
254 msto initialize
39 msto list tools
- Run it
- npx -y @mrfentmen/z-wave-mcp@1.0.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- z-wave-mcp 1.0.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- 0.3 % of a 1M context window
- Count
- 2.7k tokens in Claude Opus 5.5, exact, measured 2026-11-13. With the Claude Code prefix mcp__…__ on each tool name: 2.9k. The o200k_base estimate is 1.4k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/mrfentmen/awesome-servers
- Registry
- active, updated 2026-11-13 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.86×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| search | 269 | 145 | 10 % |
| diff | 245 | 132 | 9 % |
| get_record | 223 | 120 | 8 % |
| write_file | 219 | 118 | 8 % |
| list_records | 217 | 117 | 8 % |
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/yr-metno-mcp · no executable
- io.github.mrfentmen/yugioh-mcp · alive
- io.github.mrfentmen/yul-mcp · alive
- io.github.mrfentmen/z-mcp · alive
- io.github.mrfentmen/zap-mcp · alive
- io.github.mrfentmen/zeek-mcp · alive
- io.github.mrfentmen/zenodo-mcp · alive
- io.github.mrfentmen/zenscript-mcp · alive
Servers that mention wave.
- Kenya Payments (Flutterwave — M-Pesa) app.wishpool/kenya-payments-mcp · no DNS
- Rwanda Payments (Flutterwave — MTN MoMo) app.wishpool/rwanda-payments-mcp · no DNS
- Senegal Payments (Flutterwave — Orange Money / Wave) app.wishpool/senegal-payments-mcp · no DNS
- Tanzania Payments (Flutterwave — M-Pesa / Tigo Pesa) app.wishpool/tanzania-payments-mcp · no DNS
- Uganda Payments (Flutterwave — MTN MoMo) app.wishpool/uganda-payments-mcp · no DNS
- Zambia Payments (Flutterwave — mobile money) app.wishpool/zambia-payments-mcp · no DNS
- WaveHouse Cloud cloud.wavehouse/mcp · needs auth
- Marine buoy weather observations (marinewatch) com.a2awire/data-marine-weather-buoy-observation-noaa · 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.