Welt MCP Server: Install & Setup

Install Welt in Claude Code

Claude Code

claude mcp add --transport http welt https://welt.ergodic.dev/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "welt": {
      "url": "https://welt.ergodic.dev/mcp"
    }
  }
}

Frequently asked questions

What does the Welt MCP server do?

Run Welt's tabular, causal and forecasting models on your data. Hosted; OAuth sign-in.

Is the Welt MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Welt run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add Welt to Claude Code?

Run: claude mcp add --transport http welt https://welt.ergodic.dev/mcp

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