Calcupedia

Search 2,400+ calculators and unit converters across finance, health, math, construction, physics, and unit conversions, then run them with exact formulas and receive the result plus a prefilled web link. Claude clients can render an interactive calculator card through MCP Apps. Hosted Streamable HTTP endpoint: `https://calcupedia.io/api/mcp`; no authentication. Claude Code: `claude mcp add --transport http calcupedia https://calcupedia.io/api/mcp`. MIT connection files; hosted service free.

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