MusicBrainz MCP — search/browse music metadata, cover art, and submit tags/ratings/collections
About
MusicBrainz MCP — search/browse music metadata, cover art, and submit tags/ratings/collections
Security Report
This MusicBrainz MCP server is well-architected with proper authentication controls and no malicious patterns. OAuth credentials are correctly handled via environment variables, read operations are unauthenticated as intended, and write operations require explicit confirmation. Permissions align well with the server's purpose (music metadata queries and optional user submissions). Minor code quality observations around error handling and input validation do not significantly impact security. Supply chain analysis found 2 known vulnerabilities in dependencies (0 critical, 1 high severity). Package verification found 1 issue.
7 files analyzed · 7 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Environment variable: MUSICBRAINZ_USER_AGENT
Environment variable: MUSICBRAINZ_OAUTH_CLIENT_ID
Environment variable: MUSICBRAINZ_OAUTH_CLIENT_SECRET
Environment variable: MUSICBRAINZ_OAUTH_REFRESH_TOKEN
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-chrischall-musicbrainz-mcp": {
"env": {
"MUSICBRAINZ_USER_AGENT": "your-musicbrainz-user-agent-here",
"MUSICBRAINZ_OAUTH_CLIENT_ID": "your-musicbrainz-oauth-client-id-here",
"MUSICBRAINZ_OAUTH_CLIENT_SECRET": "your-musicbrainz-oauth-client-secret-here",
"MUSICBRAINZ_OAUTH_REFRESH_TOKEN": "your-musicbrainz-oauth-refresh-token-here"
},
"args": [
"-y",
"musicbrainz-mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
musicbrainz-mcp
An MCP server for MusicBrainz, the open music encyclopedia. It gives Claude live access to MusicBrainz metadata — artists, releases, recordings, labels, works, and more — plus Cover Art Archive images, and (optionally) lets you submit your own tags, ratings, and collection edits.
Developed and maintained by AI (Claude Code). Use at your own discretion.
Tools
Read (no credentials required):
| Tool | What it does |
|---|---|
musicbrainz_search | Search any entity type with a Lucene query; returns ranked matches + MBIDs |
musicbrainz_lookup | Look up an entity by MBID, with inc subqueries for linked data |
musicbrainz_browse | List all entities linked to another (e.g. every release by an artist) |
musicbrainz_cover_art | Cover Art Archive image URLs for a release / release-group |
musicbrainz_resolve | Turn a pasted musicbrainz.org URL into its entity |
musicbrainz_healthcheck | Verify connectivity and whether OAuth writes are configured |
Write (OAuth, confirm-gated):
| Tool | What it does |
|---|---|
musicbrainz_submit_tags | Apply user tags to an entity on your account |
musicbrainz_submit_rating | Set your 0–100 rating for an entity |
musicbrainz_modify_collection | Add/remove entities in one of your collections |
Each write makes no network call without confirm: true; it returns a dry-run preview first.
Install
This is a Node MCP server (stdio). Point your MCP host at it:
{
"mcpServers": {
"musicbrainz": {
"command": "npx",
"args": ["-y", "musicbrainz-mcp"]
}
}
}
Reads work immediately. MusicBrainz asks clients to make at most one request per second — the server throttles itself to stay within that limit, so large browses are paced automatically.
Enabling the write tools (optional)
- Register an application at musicbrainz.org/account/applications (redirect URI
urn:ietf:wg:oauth:2.0:oob). - Complete the OAuth flow with the
tag,rating, andcollectionscopes to obtain a refresh token. - Provide these via your MCP host's env (or a local
.env):
MUSICBRAINZ_OAUTH_CLIENT_ID=...
MUSICBRAINZ_OAUTH_CLIENT_SECRET=...
MUSICBRAINZ_OAUTH_REFRESH_TOKEN=...
Development
npm install
npm run build
npm test
See CLAUDE.md for architecture and docs/MUSICBRAINZ-API.md for the pinned API shapes.
License
MIT. Data from MusicBrainz, licensed under CC0 / CC BY-NC-SA.
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