io.github.cyanheads/musicbrainz-mcp-server
musicbrainz-mcp-server
Search MusicBrainz artists, releases, works, labels; resolve ISRC/ISWC/barcode; fetch cover art.
alive probed 2026-10-14 · HTTP 200
10tools
5.9ktokens in Claude Opus 5.5
6.1ktokens in Claude Code
3.0 %of a 200k context window
3.6ko200k_base estimate
324 msto initialize
75 msto list tools
- Endpoint
- https://musicbrainz.caseyjhand.com/mcp (streamable-http)
- Host
- musicbrainz.caseyjhand.com
- Protocol
- 2025-11-25
- Reports itself as
- musicbrainz-mcp-server 0.2.0
- Capabilities
- logging, prompts, resources, tools
- Instructions
- 1 342 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/cyanheads/musicbrainz-mcp-server
- Registry
- active, updated 2026-10-13 · registry entry
- Reachable
- 8 of the last 8 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| musicbrainz_browse_entities | 1 098 | 30 % |
| musicbrainz_search_entities | 347 | 10 % |
| musicbrainz_get_cover_art | 313 | 9 % |
| musicbrainz_get_release_group | 294 | 8 % |
| musicbrainz_lookup_identifier | 291 | 8 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-14 09:22 | alive | 552 ms | 10 | 5.9k | 3.6k |
| 2026-10-09 11:18 | alive | 465 ms | 10 | 4.1k | 2.5k |
| 2026-10-05 14:39 | alive | 324 ms | 10 | 4.1k | 2.5k |
| 2026-10-05 00:33 | alive | 172 ms | 10 | 2.5k | |
| 2026-10-04 10:04 | alive | 332 ms | 10 | 2.5k | |
| 2026-10-04 07:57 | alive | 259 ms | 10 | 2.5k | |
| 2026-10-03 20:37 | alive | 861 ms | 10 | 2.5k | |
| 2026-10-03 17:53 | alive | 680 ms | 10 | 2.5k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.cyanheads/musicbrainz-mcp-server)
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.