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Ensemble

dev.hearthbyte/ensemble · v1.0.0

AI-ready design toolkit: color palettes, typography, spacing, shadows and accessibility audits.

Connect Runs on your machine

Terminal
claude mcp add ensemble -e ENSEMBLE_API_KEY=<ENSEMBLE_API_KEY> -- npx -y @hearthbyte/[email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "ensemble": {
      "command": "npx",
      "args": [
        "-y",
        "@hearthbyte/[email protected]"
      ],
      "env": {
        "ENSEMBLE_API_KEY": "<ENSEMBLE_API_KEY>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "ensemble": {
      "command": "npx",
      "args": [
        "-y",
        "@hearthbyte/[email protected]"
      ],
      "env": {
        "ENSEMBLE_API_KEY": "<ENSEMBLE_API_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "ensemble": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@hearthbyte/[email protected]"
      ],
      "env": {
        "ENSEMBLE_API_KEY": "<ENSEMBLE_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
ENSEMBLE_API_KEY
Optional, secret
Ensemble Pro API key (hearthbyte.dev/ensemble/pricing). Without it only the free a11y_validate tool works.

Details

Package@hearthbyte/[email protected] (NPM, stdio)
First published10 Oct 2026
Last updated10 Oct 2026
Registry namedev.hearthbyte/ensemble

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