musicbrainz-mcp-server
by cyanheads
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| OTEL_ENABLED | No | Enable OpenTelemetry instrumentation. | false |
| MCP_AUTH_MODE | No | Auth mode: none, jwt, or oauth. | none |
| MCP_HTTP_PORT | No | Port for the HTTP server. | 3010 |
| MCP_LOG_LEVEL | No | Log level (RFC 5424). | info |
| COVER_ART_BASE_URL | No | Cover Art Archive base URL. | https://coverartarchive.org |
| MCP_TRANSPORT_TYPE | No | Transport: stdio or http. | stdio |
| MUSICBRAINZ_CONTACT | No | Contact (email or URL) embedded in the mandatory descriptive User-Agent. Not start-blocking — a default is provided — but operators of a shared/hosted instance should set their own so MusicBrainz can reach them about traffic. | repo URL |
| MUSICBRAINZ_BASE_URL | No | MusicBrainz Web Service v2 base URL. Override for a private mirror or beta.musicbrainz.org. | https://musicbrainz.org/ws/2 |
| MUSICBRAINZ_CACHE_TTL | No | Response cache TTL in seconds. MBIDs are stable, so data changes slowly. 0 disables caching. | 86400 |
| MUSICBRAINZ_TIMEOUT_MS | No | Per-request HTTP timeout in milliseconds. | 30000 |
| MUSICBRAINZ_MAX_RETRIES | No | Retry attempts for transient upstream failures (503 / 5xx / HTML error page). | 3 |
| MUSICBRAINZ_RATE_LIMIT_RPS | No | Client-side request-per-second ceiling. ~1 is the documented limit; lower it for shared-hosting headroom. | 1 |
Capabilities
Server capabilities have not been inspected yet.
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
No tools | |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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