ai.variel/mcp-server

Official

Variel MCP Server

Generate your brand in-agent, then keep tokens, components, and copy on-brand over MCP.

Generate and maintain on-brand tokens, components, and copy for your brand.

Install

Configuration

Environment variables

BRAND_API_KEYrequiredsecret

Your Variel project API key (bsk_…) to connect an existing brand. Get it from your Variel dashboard, or run `variel-mcp login` to provision one via browser sign-in (no copy-paste). You can also start keyless and generate a brand with generate_brand_kickoff.

VARIEL_API_URL

Override the Variel API base URL. Defaults to https://variel.ai. Optional — for self-hosted or staging.

ANTHROPIC_API_KEYsecret

Anthropic API key. Required only for grade_visual_quality, generate_component, and Tier-2 validate_copy. Optional for all other tools.

claude_desktop_config.json

{
  "mcpServers": {
    "mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@variel/mcp-server@0.1.0"
      ],
      "env": {
        "BRAND_API_KEY": "<YOUR_BRAND_API_KEY>",
        "VARIEL_API_URL": "<YOUR_VARIEL_API_URL>",
        "ANTHROPIC_API_KEY": "<YOUR_ANTHROPIC_API_KEY>"
      }
    }
  }
}