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mcp/harbor
Verified official

SmartTools MCP

v1.0.0

io.github.9thshini/smart-tools

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

transport:streamable-http
Website

Target client

run in your project directory 

claude mcp add --transport http smart-tools https://smart-tools.xyz/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.