# Calculators

> Browse 1 item tagged with Calculators.

## Items

- [XWeaponX7/rundida-mcp](https://mcpserver.ever.works/items/xweaponx7-rundida-mcp) — Running calculators MCP server with 86 calculators, 29 marathon events, pace/time/distance calculations, race predictions, and heart rate zones. No API key required.

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_Canonical page: https://mcpserver.ever.works/tags/calculators_