NestDaddy

MusclesWorked

io.github.csjoblom/musclesworked · v0.1.0

Exercise-to-muscle mapping: 856 exercises, 65 muscles, workout analysis & alternatives.

Connect Runs on your machine

Terminal
claude mcp add musclesworked -e MUSCLESWORKED_API_KEY=<MUSCLESWORKED_API_KEY> -- npx -y [email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "musclesworked": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "MUSCLESWORKED_API_KEY": "<MUSCLESWORKED_API_KEY>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "musclesworked": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "MUSCLESWORKED_API_KEY": "<MUSCLESWORKED_API_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "musclesworked": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "MUSCLESWORKED_API_KEY": "<MUSCLESWORKED_API_KEY>"
      }
    }
  }
}

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

NameDescription
MUSCLESWORKED_API_KEY
Required, secret
Your MusclesWorked API key (get one at musclesworked.com/dashboard)

Details

Package[email protected] (NPM, stdio)
First published17 Feb 2026
Last updated17 Feb 2026
Registry nameio.github.csjoblom/musclesworked

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