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Variel MCP Server

Official registry Marketing and sales

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

Source code Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

NPM package @variel/mcp-server
Claude Code 
claude mcp add variel-mcp-server -e 'BRAND_API_KEY=<your brand_api_key>' -e 'VARIEL_API_URL=<VARIEL_API_URL>' -e 'ANTHROPIC_API_KEY=<your anthropic_api_key>' -- npx -y @variel/mcp-server@0.1.0
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "variel-mcp-server": {
            "command": "npx",
            "args": [
                "-y",
                "@variel/mcp-server@0.1.0"
            ],
            "env": {
                "BRAND_API_KEY": "<your brand_api_key>",
                "VARIEL_API_URL": "<VARIEL_API_URL>",
                "ANTHROPIC_API_KEY": "<your anthropic_api_key>"
            }
        }
    }
}

Environment variables

  • 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.

Frequently asked questions

What is Variel MCP Server?

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

How do I install Variel MCP Server?

It runs on your machine. In Claude Code: claude mcp add variel-mcp-server -e 'BRAND_API_KEY=<your brand_api_key>' -e 'VARIEL_API_URL=<VARIEL_API_URL>' -e 'ANTHROPIC_API_KEY=<your anthropic_api_key>' -- npx -y @variel/mcp-server@0.1.0. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Variel MCP Server need an API key?

Yes. It expects BRAND_API_KEY, ANTHROPIC_API_KEY, which you set in its configuration.

Is Variel MCP Server open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains Variel MCP Server?

It is published by jeisenberg. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.