io.github.mrfentmen/midi-tools-mcp
midi-tools-mcp
Is the io.github.mrfentmen/midi-tools-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.
MIDI note math: note names, frequencies, and note numbers. No network and no key.
alive probed 2026-11-15 · unchanged since 2026-10-30
- Run it
- npx -y midi-tools-mcp@1.0.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- midi-tools-mcp 1.0.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- <0.1 % of a 1M context window
- Count
- 380 tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 422. The o200k_base estimate is 212. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/mrfentmen/midi-tools-mcp
- Registry
- active, updated 2026-09-21 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.79×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| note_name | 131 | 73 | 34 % |
| note_from_name | 129 | 72 | 34 % |
| note_frequency | 120 | 67 | 32 % |
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/microcks-mcp · alive
- io.github.mrfentmen/microlink-mcp · alive
- io.github.mrfentmen/microsoft-developer-studio-project-mcp · alive
- io.github.mrfentmen/microsoft-visual-studio-solution-mcp · alive
- io.github.mrfentmen/migration-map-mcp · alive
- io.github.mrfentmen/mil-std-1553-mcp · alive
- io.github.mrfentmen/mill-mcp · alive
- io.github.mrfentmen/milvus-mcp · alive
Servers that mention midi.
- AudioPod AI ai.audiopod/audiopod · needs auth
- ScanSing: sheet music to MusicXML app.scansing/scansing · needs auth
- AImeistrO com.aimeistro/music · alive
- Doseedo: Film Scoring, AI Instruments, Sound Effects & Stems com.doseedo/doseedo · alive
- Vertical Weather com.verticalweather/vertical-weather · alive
- io.github.f-tiger/hvac-btu-heat-klimaanlage · alive
- ScoreStarling com.scorestarling/scorestarling · needs auth
- io.github.warmcoding/sonicaura-mcp · 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.