macalc

The most comprehensive everyday calculator MCP server — 501 tools across 22 categories covering 8 countries' tax systems (FR, BE, CH, CA, US, UK, MA, SN). Finance, health, math, science, construction, conversions, education, sport, cooking, travel, and more. Free, no API key required. Streamable HTTP transport.

→ tresor4k/macalc-mcp · listed on glama

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// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configMACALC_MCP_URL

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 1 concrete improvement we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/tresor4k-macalc-mcp-0xvcde)](https://m8ven.ai/mcp/tresor4k-macalc-mcp-0xvcde)

commit: 7277c003af34c81f9662db0d977b132172aae469

code hash: bac900582cfd04bd094c811a85ebdf6abec7b5be0b9400ccec6d5cb956168a3d

verified: 6/16/2026, 11:36:27 AM

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