Audio analysis and A&R scoring for music tracks: tags, lyrics, artist stats, demo triage.
To add Tag-per-Track to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 4 environment variables, listed below.
Install
npx -y tag-per-track-mcp@1.6.3Environment variables
TAG_PER_TRACK_API_KEYSet in your MCP configWALLET_PRIVATE_KEYSet in your MCP configMAX_SPENDING_USDCSet in your MCP configTAG_PER_TRACK_NO_PERSISTSet in your MCP configInstall with your client
claude mcp add tag-per-track --env TAG_PER_TRACK_API_KEY=<YOUR_TAG_PER_TRACK_API_KEY> --env WALLET_PRIVATE_KEY=<YOUR_WALLET_PRIVATE_KEY> --env MAX_SPENDING_USDC=<YOUR_MAX_SPENDING_USDC> --env TAG_PER_TRACK_NO_PERSIST=<YOUR_TAG_PER_TRACK_NO_PERSIST> -- npx -y tag-per-track-mcp@1.6.3
Run this in a terminal to add the server to Claude Code.
What this does
Tag-per-Track exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
TAG_PER_TRACK_API_KEY WALLET_PRIVATE_KEY MAX_SPENDING_USDC TAG_PER_TRACK_NO_PERSIST
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install Tag-per-Track?
Run the Claude Code command in the install section to add Tag-per-Track to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with Tag-per-Track?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to Tag-per-Track as well.
Does Tag-per-Track need an API key?
Yes. Before it can run, set these environment variables: TAG_PER_TRACK_API_KEY, WALLET_PRIVATE_KEY, MAX_SPENDING_USDC, TAG_PER_TRACK_NO_PERSIST. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
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