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Welt

Official registry AI and agents

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

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).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http welt 'https://welt.ergodic.dev/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "welt": {
            "type": "http",
            "url": "https://welt.ergodic.dev/mcp"
        }
    }
}

Frequently asked questions

What is Welt?

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

How do I install Welt?

It runs as a remote server. In Claude Code: claude mcp add --transport http welt 'https://welt.ergodic.dev/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Welt need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains Welt?

It is published by dev.ergodic.welt. 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.