Official MCP RegistryHosted servercalc.engineerv1.0.0

calc.engineer

88 free engineering calculators: RF link budgets, LoRa/Meshtastic, PCB, solar, homelab. Keyless.

Connect to Claude Code

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claude mcp add --transport http calc-engineer https://calc.engineer/mcp

Vendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.

Endpoints

Published in the official MCP registry as “engineer.calc/calc”. Verified through the vendor namespace.