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Klar Calculators

Official registry Finance and payments

Jordan & GCC labour-law, tax and finance calculators for AI agents — 36 deterministic tools.

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).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http klar-calculators 'https://mcp.worldly.pro/mcp' --header 'Authorization: <Bearer token. Try the public demo key: '\''Bearer klar-demo-ND8Qr5tHx2mv7bKf'\'' (rate-limited). Request a production key at contact@worldly.pro.>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "klar-calculators": {
            "type": "http",
            "url": "https://mcp.worldly.pro/mcp",
            "headers": {
                "Authorization": "<Bearer token. Try the public demo key: 'Bearer klar-demo-ND8Qr5tHx2mv7bKf' (rate-limited). Request a production key at contact@worldly.pro.>"
            }
        }
    }
}

Frequently asked questions

What is Klar Calculators?

Jordan & GCC labour-law, tax and finance calculators for AI agents — 36 deterministic tools.

How do I install Klar Calculators?

It runs as a remote server. In Claude Code: claude mcp add --transport http klar-calculators 'https://mcp.worldly.pro/mcp' --header 'Authorization: <Bearer token. Try the public demo key: '\''Bearer klar-demo-ND8Qr5tHx2mv7bKf'\'' (rate-limited). Request a production key at contact@worldly.pro.>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Klar Calculators need an API key?

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

Is Klar Calculators open source?

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

Who maintains Klar Calculators?

It is published by ahmedharb333. 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.