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SmartTools

Official registry Other

70+ free calculators & converters as MCP tools; each result links to its source page.

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 smarttools 'https://smart-tools.xyz/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "smarttools": {
            "type": "http",
            "url": "https://smart-tools.xyz/mcp"
        }
    }
}

Frequently asked questions

What is SmartTools?

70+ free calculators & converters as MCP tools; each result links to its source page.

How do I install SmartTools?

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

Does SmartTools 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 SmartTools?

It is published by 9thShini. 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.