21st.dev Magic MCP vs AbletonMCP

A side-by-side comparison of two Design & Media servers — tools, transport, auth, maintenance, and copy-paste config for each.

	21st.dev Magic MCP Generate beautiful, modern UI components from natural-language descriptions inside your IDE. Unverified stdio (local) API key TypeScript	AbletonMCP Connect Claude to Ableton Live — create tracks, write MIDI clips, load instruments, and build full arrangements. Unverified stdio (local) No auth Python
Category	Design & Media	Design & Media
Language	TypeScript	Python
Transport	stdio (local)	stdio (local)
Auth	API key	None
GitHub stars	5.2k	2.8k
Last commit	5 months ago	2 months ago
Verified
Actively maintained
Install	`npx @21st-dev/cli@latest install <client> --api-key <key>`	`uvx ableton-mcp`
Repo	Open	Open

Verdict

Pick 21st.dev Magic MCP if you want the official, vendor-maintained server, and you prefer the more popular, battle-tested option.

Pick AbletonMCP if you want zero-setup with no API key, and you need the broadest set of tools.

Add 21st.dev Magic MCP

Install / run

npx @21st-dev/cli@latest install <client> --api-key <key>

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "21st-dev-magic-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@21st-dev/magic@latest",
        "API_KEY=\"your-api-key\""
      ]
    }
  }
}

Add AbletonMCP

Install / run

uvx ableton-mcp

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "abletonmcp": {
      "command": "uvx",
      "args": [
        "ableton-mcp"
      ]
    }
  }
}

Requires `uv` (the Python package runner). Install it from https://docs.astral.sh/uv/ if `uvx` is not found.

FAQ

21st.dev Magic MCP or AbletonMCP — which is better?

Pick 21st.dev Magic MCP if you want the official, vendor-maintained server, and you prefer the more popular, battle-tested option. Pick AbletonMCP if you want zero-setup with no API key, and you need the broadest set of tools.

Can I use both 21st.dev Magic MCP and AbletonMCP?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do 21st.dev Magic MCP and AbletonMCP work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

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