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tresor4k/macalc-mcp

by Various

The most comprehensive everyday calculator MCP server — 501 tools, 22 categories, 8 countries. Free, no API key.

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MCP

tresor4k/macalc-mcp

Added 1 June 2026

Overview

An MCP server that provides 501 calculation tools across 22 categories and 8 countries. It is free to use and requires no API key. The server is written in JavaScript.

Best for

Best for
Developers needing a comprehensive free calculator MCP server

Use cases

  • Perform unit conversions across 22 categories
  • Calculate financial formulas for 8 countries
  • Access a wide range of mathematical functions via MCP

Notes

An MCP server that provides 501 calculation tools across 22 categories and 8 countries. It is free to use and requires no API key. The server is written in JavaScript.

0 stars on GitHub. Last updated 2026-04-25. Licensed MIT.

Use cases

  • Perform unit conversions across 22 categories
  • Calculate financial formulas for 8 countries
  • Access a wide range of mathematical functions via MCP

Pros

  • Large collection of 501 tools covering many domains
  • Free with no API key required
  • Broad geographic and category coverage

Cons

  • Zero GitHub stars indicates low community adoption or newness
  • Requires JavaScript runtime and MCP protocol support
  • Limited to calculation tasks only

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.

Pros

  • Large collection of 501 tools covering many domains
  • Free with no API key required
  • Broad geographic and category coverage

Cons

  • Zero GitHub stars indicates low community adoption or newness
  • Requires JavaScript runtime and MCP protocol support
  • Limited to calculation tasks only

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