Productivity · Local MCP server

Midi Tools MCP

MIDI note math: note names, frequencies, and note numbers. No network and no key.

What the MCP Registry states

The entry as published to the official MCP Registry (read 2026-10-04), latest version.

Registry name
io.github.mrfentmen/midi-tools-mcp
Version
1.0.0
Status
Active
Category
productivity
Transport
stdio (local process)
Package
npm
Published
2026-09-21
Updated
2026-09-21
Publisher
mrfentmen (GitHub) · 687 servers with pages here
Repository
github.com/mrfentmen/midi-tools-mcp
Source
Registry API entry

Packages

RegistryPackageVersionTransportEnvironment variables
npmmidi-tools-mcp1.0.0stdioNone declared

How to connect Midi Tools MCP

Midi Tools MCP runs locally from a Node.js package published to the npm registry: midi-tools-mcp version 1.0.0. It speaks MCP over stdio, so the client starts it as a program and talks to it through standard input and output. It needs Node.js; clients usually start it with npx — the usual command is npx -y midi-tools-mcp@1.0.0.

In the mcpServers JSON format that many desktop and editor MCP clients read, the entry looks like this (placeholders in angle brackets):

{
  "mcpServers": {
    "midi-tools-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "midi-tools-mcp@1.0.0"
      ]
    }
  }
}

Derived from the registry entry, not tested here. What the server does, and on what terms, is set by its publisher; check its repository or website before giving it access to your accounts or files. How to add an MCP server to an assistant · Before you connect

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