io.github.adigold/tracktag-mcp
tracktag
AI music analysis for agents: BPM, key, genres, moods, instruments and 35+ tags per track.
alive probed 2026-10-14
5tools
1.1ktokens in Claude Opus 5.5
1.2ktokens in Claude Code
0.5 %of a 200k context window
636o200k_base estimate
294 msto initialize
8 msto list tools
- Run it
- npx -y tracktag-mcp@0.2.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- tracktag 0.2.0
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/adigold/tracktag-mcp
- Registry
- active, updated 2026-07-24 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| analyze_track | 253 | 40 % |
| find_audio_files | 133 | 21 % |
| analyze_url | 125 | 20 % |
| list_recent_jobs | 76 | 12 % |
| get_credits | 49 | 8 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.adigold/tracktag-mcp)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.