MCP Server

Variel MCP Server MCP Server

Name: Variel MCP Server MCP Server
Author: ai.variel

ai.variel/mcp-server

Repository Registry

What is the Variel MCP Server MCP server?

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

How to install Variel MCP Server

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

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

Claude Desktop

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

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

Cursor

~/.cursor/mcp.json

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

Windsurf

~/.codeium/windsurf/mcp_config.json

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

VS Code

.vscode/mcp.json

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

Claude Code

claude mcp add mcp-server --env BRAND_API_KEY=<YOUR_BRAND_API_KEY> --env VARIEL_API_URL=<YOUR_VARIEL_API_URL> --env ANTHROPIC_API_KEY=<YOUR_ANTHROPIC_API_KEY> -- npx -y @variel/mcp-server