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.
Cognium trust score
92%
Tier
Verified
Composite of vulnerability cleanliness, spec conformance, provenance, stability, and usage signals — scanned and weighted by Cognium. Human and agent signals are tracked separately.
Last scanned 2026-09-28.
Returns 7 tools: search_skills, get_skill, list_leaderboard, get_trust_breakdown, resolve_composition, plus the ChatGPT-connector search and fetch. Every tool is annotated read-only.
Resolve this skill directly via MCP tools/call get_skill.