Read IMSLP, the Petrucci Music Library: works, scores, editions, copyright. No API key.
Connect Runs on your machine
claude mcp add mcp-imslp -e IMSLP_USER_AGENT=<IMSLP_USER_AGENT> -e IMSLP_MIN_INTERVAL_MS=<IMSLP_MIN_INTERVAL_MS> -e IMSLP_TIMEOUT_MS=<IMSLP_TIMEOUT_MS> -e IMSLP_MAX_RETRIES=<IMSLP_MAX_RETRIES> -e IMSLP_CACHE_TTL_MS=<IMSLP_CACHE_TTL_MS> -e IMSLP_CACHE_MAX_ENTRIES=<IMSLP_CACHE_MAX_ENTRIES> -e IMSLP_LOG_LEVEL=<IMSLP_LOG_LEVEL> -- npx -y [email protected]{
"mcpServers": {
"mcp-imslp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"IMSLP_USER_AGENT": "<IMSLP_USER_AGENT>",
"IMSLP_MIN_INTERVAL_MS": "<IMSLP_MIN_INTERVAL_MS>",
"IMSLP_TIMEOUT_MS": "<IMSLP_TIMEOUT_MS>",
"IMSLP_MAX_RETRIES": "<IMSLP_MAX_RETRIES>",
"IMSLP_CACHE_TTL_MS": "<IMSLP_CACHE_TTL_MS>",
"IMSLP_CACHE_MAX_ENTRIES": "<IMSLP_CACHE_MAX_ENTRIES>",
"IMSLP_LOG_LEVEL": "<IMSLP_LOG_LEVEL>"
}
}
}
}{
"mcpServers": {
"mcp-imslp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"IMSLP_USER_AGENT": "<IMSLP_USER_AGENT>",
"IMSLP_MIN_INTERVAL_MS": "<IMSLP_MIN_INTERVAL_MS>",
"IMSLP_TIMEOUT_MS": "<IMSLP_TIMEOUT_MS>",
"IMSLP_MAX_RETRIES": "<IMSLP_MAX_RETRIES>",
"IMSLP_CACHE_TTL_MS": "<IMSLP_CACHE_TTL_MS>",
"IMSLP_CACHE_MAX_ENTRIES": "<IMSLP_CACHE_MAX_ENTRIES>",
"IMSLP_LOG_LEVEL": "<IMSLP_LOG_LEVEL>"
}
}
}
}{
"servers": {
"mcp-imslp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"IMSLP_USER_AGENT": "<IMSLP_USER_AGENT>",
"IMSLP_MIN_INTERVAL_MS": "<IMSLP_MIN_INTERVAL_MS>",
"IMSLP_TIMEOUT_MS": "<IMSLP_TIMEOUT_MS>",
"IMSLP_MAX_RETRIES": "<IMSLP_MAX_RETRIES>",
"IMSLP_CACHE_TTL_MS": "<IMSLP_CACHE_TTL_MS>",
"IMSLP_CACHE_MAX_ENTRIES": "<IMSLP_CACHE_MAX_ENTRIES>",
"IMSLP_LOG_LEVEL": "<IMSLP_LOG_LEVEL>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
IMSLP_USER_AGENTOptional | Your application's name. The project identity is appended to it. |
IMSLP_MIN_INTERVAL_MSOptional | Minimum milliseconds between requests. Default 2500, floor 2000. |
IMSLP_TIMEOUT_MSOptional | Per-request timeout in milliseconds. Default 30000. |
IMSLP_MAX_RETRIESOptional | Retries on transient failures. Default 3. |
IMSLP_CACHE_TTL_MSOptional | In-memory cache lifetime in milliseconds. Default 900000. |
IMSLP_CACHE_MAX_ENTRIESOptional | Maximum entries kept in the in-memory cache. Default 100. |
IMSLP_LOG_LEVELOptional | silent, error, info or debug, on stderr. Default error. |
Details
| Package | [email protected] (NPM, stdio) |
| Package | https://github.com/smeet666/mcp-imslp/releases/download/v1.1.0/[email protected] (MCPB, stdio) |
| First published | 29 Oct 2026 |
| Last updated | 29 Oct 2026 |
| Registry name | io.github.smeet666/mcp-imslp |
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