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Plumbkit

Official registry Maps, travel and weather

Exact utilities for agents: time zones, date math, business days, calculator, units, validation.

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 plumbkit 'https://plumbkit.dev/mcp' --header 'Authorization: <Optional. "Bearer <your API key>" for paid plans. Without it you get the free daily allowance.>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "plumbkit": {
            "type": "http",
            "url": "https://plumbkit.dev/mcp",
            "headers": {
                "Authorization": "<Optional. \"Bearer <your API key>\" for paid plans. Without it you get the free daily allowance.>"
            }
        }
    }
}

Frequently asked questions

What is Plumbkit?

Exact utilities for agents: time zones, date math, business days, calculator, units, validation.

How do I install Plumbkit?

It runs as a remote server. In Claude Code: claude mcp add --transport http plumbkit 'https://plumbkit.dev/mcp' --header 'Authorization: <Optional. "Bearer <your API key>" for paid plans. Without it you get the free daily allowance.>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Plumbkit need an API key?

Yes. It expects Authorization, which you set in its configuration.

Who maintains Plumbkit?

It is published by dev.plumbkit. 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.