RemoteFree server, account needed

Clef MCP server

io.github.MelMayssonOwen/clef

Read-only music guides, chord transposition, piano chord spelling and guitar-tab pitch mapping.

Install Clef in Claude Code

Claude Code
claude mcp add --transport http clef https://clefdrills.com/mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "clef": {
      "url": "https://clefdrills.com/mcp"
    }
  }
}

Frequently asked questions

What does the Clef MCP server do?

Read-only music guides, chord transposition, piano chord spelling and guitar-tab pitch mapping.

Is the Clef MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Clef run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add Clef to Claude Code?

Run: claude mcp add --transport http clef https://clefdrills.com/mcp

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